list of mathematical symbols
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List of mathematical symbolsFrom Wikipedia, the free encyclopedia
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This list isincomplete;you can help byexpanding it.This article needs additional citations for verification. Please helpimprove this articlebyadding citations to reliable
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This is a list of symbols found within all branches ofmathematicsto express a formula or to replace aconstant.
When reading the list, it is important to recognize that a mathematical concept is independent of the symbol chosen to represent it. Formany of the symbols below, the symbol is usually synonymous with the corresponding concept (ultimately an arbitrary choice made
as a result of the cumulative history of mathematics), but in some situations a different convention may be used. For example,
depending on context, "" may represent congruence or a definition. Further, in mathematical logic, numerical equality is sometimesrepresented by "" instead of "=", with the latter representing equality ofwell-formed formulas.In short, convention dictates themeaning.
Each symbol is shown both inHTML,whose display depends on the browser's access to an appropriate font installed on the particular
device, and inTEX,as an image.
Contents
[hide]
1 Symbols
2 Variations
3 See also
4 References
5 External links
http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#mw-headhttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#mw-headhttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#mw-headhttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#p-searchhttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#p-searchhttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#p-searchhttp://en.wikipedia.org/wiki/Wikipedia:WikiProject_Lists#Incomplete_listshttp://en.wikipedia.org/wiki/Wikipedia:WikiProject_Lists#Incomplete_listshttp://en.wikipedia.org/wiki/Wikipedia:WikiProject_Lists#Incomplete_listshttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&action=edithttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&action=edithttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&action=edithttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&action=edithttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&action=edithttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&action=edithttp://en.wikipedia.org/wiki/Help:Introduction_to_referencing/1http://en.wikipedia.org/wiki/Help:Introduction_to_referencing/1http://en.wikipedia.org/wiki/Help:Introduction_to_referencing/1http://en.wikipedia.org/wiki/Help:Introduction_to_referencing/1http://en.wikipedia.org/wiki/Template:Citation_neededhttp://en.wikipedia.org/wiki/Template:Citation_neededhttp://en.wikipedia.org/wiki/Template:Citation_neededhttp://en.wikipedia.org/wiki/Wikipedia:Verifiability#Burden_of_evidencehttp://en.wikipedia.org/wiki/Wikipedia:Verifiability#Burden_of_evidencehttp://en.wikipedia.org/wiki/Wikipedia:Verifiability#Burden_of_evidencehttp://en.wikipedia.org/wiki/Mathematicshttp://en.wikipedia.org/wiki/Mathematicshttp://en.wikipedia.org/wiki/Mathematicshttp://en.wikipedia.org/wiki/Constanthttp://en.wikipedia.org/wiki/Constanthttp://en.wikipedia.org/wiki/Constanthttp://en.wikipedia.org/wiki/Well-formed_formulahttp://en.wikipedia.org/wiki/Well-formed_formulahttp://en.wikipedia.org/wiki/Well-formed_formulahttp://en.wikipedia.org/wiki/HTMLhttp://en.wikipedia.org/wiki/HTMLhttp://en.wikipedia.org/wiki/HTMLhttp://en.wikipedia.org/wiki/TeXhttp://en.wikipedia.org/wiki/TeXhttp://en.wikipedia.org/wiki/TeXhttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yeshttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yeshttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yeshttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#Symbolshttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#Symbolshttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#Variationshttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#Variationshttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#See_alsohttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#See_alsohttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#Referenceshttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#Referenceshttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#External_linkshttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#External_linkshttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#External_linkshttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#Referenceshttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#See_alsohttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#Variationshttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#Symbolshttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yeshttp://en.wikipedia.org/wiki/TeXhttp://en.wikipedia.org/wiki/HTMLhttp://en.wikipedia.org/wiki/Well-formed_formulahttp://en.wikipedia.org/wiki/Constanthttp://en.wikipedia.org/wiki/Mathematicshttp://en.wikipedia.org/wiki/Wikipedia:Verifiability#Burden_of_evidencehttp://en.wikipedia.org/wiki/Template:Citation_neededhttp://en.wikipedia.org/wiki/Help:Introduction_to_referencing/1http://en.wikipedia.org/wiki/Help:Introduction_to_referencing/1http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&action=edithttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&action=edithttp://en.wikipedia.org/wiki/Wikipedia:WikiProject_Lists#Incomplete_listshttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#p-searchhttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#mw-head 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Symbols
Sym
bolin
HTM
L
Sym
bolin
TE
X
Name
Explanation ExamplesRead as
Category
=
equality
is equal to;equals
everywhere
means and represent the samething or value.
inequality
is not equal to;
does not equal
everywhere
means that and do not representthe same thing or value.
(The forms!=, /= or are generally used
in programming languages where ease oftyping and use ofASCIItext is preferred.)
strict inequality
is less than,is greater than
order theory
means is less than .
means is greater than .
proper subgroup
is a propersubgroup of
means is a proper subgroup of.
http://en.wikipedia.org/wiki/HTMLhttp://en.wikipedia.org/wiki/HTMLhttp://en.wikipedia.org/wiki/HTMLhttp://en.wikipedia.org/wiki/TeXhttp://en.wikipedia.org/wiki/TeXhttp://en.wikipedia.org/wiki/TeXhttp://en.wikipedia.org/wiki/Equals_signhttp://en.wikipedia.org/wiki/Equals_signhttp://en.wikipedia.org/wiki/Equality_(mathematics)http://en.wikipedia.org/wiki/Equality_(mathematics)http://en.wikipedia.org/wiki/Not_equals_signhttp://en.wikipedia.org/wiki/Not_equals_signhttp://en.wikipedia.org/wiki/Inequality_(mathematics)http://en.wikipedia.org/wiki/Inequality_(mathematics)http://en.wikipedia.org/wiki/ASCIIhttp://en.wikipedia.org/wiki/ASCIIhttp://en.wikipedia.org/wiki/ASCIIhttp://en.wikipedia.org/wiki/Less-than_signhttp://en.wikipedia.org/wiki/Less-than_signhttp://en.wikipedia.org/wiki/Greater-than_signhttp://en.wikipedia.org/wiki/Greater-than_signhttp://en.wikipedia.org/wiki/Inequality_(mathematics)http://en.wikipedia.org/wiki/Inequality_(mathematics)http://en.wikipedia.org/wiki/Order_theoryhttp://en.wikipedia.org/wiki/Order_theoryhttp://en.wikipedia.org/wiki/Proper_subgrouphttp://en.wikipedia.org/wiki/Proper_subgrouphttp://en.wikipedia.org/wiki/Proper_subgrouphttp://en.wikipedia.org/wiki/Order_theoryhttp://en.wikipedia.org/wiki/Inequality_(mathematics)http://en.wikipedia.org/wiki/Greater-than_signhttp://en.wikipedia.org/wiki/Less-than_signhttp://en.wikipedia.org/wiki/ASCIIhttp://en.wikipedia.org/wiki/Inequality_(mathematics)http://en.wikipedia.org/wiki/Not_equals_signhttp://en.wikipedia.org/wiki/Equality_(mathematics)http://en.wikipedia.org/wiki/Equals_signhttp://en.wikipedia.org/wiki/TeXhttp://en.wikipedia.org/wiki/TeXhttp://en.wikipedia.org/wiki/HTMLhttp://en.wikipedia.org/wiki/HTML -
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group theory
(very)strict
inequality
is much less than,is much greater
than
order theory
xymeansxis much less thany.
xymeansxis much greater thany.0.0031000000
asymptotic
comparison
is of smallerorder than,
is of greater orderthan
analytic number
theory
gmeans the growth offisasymptotically bounded byg.
(This isI. M. Vinogradov's notation.
nother notation is theBig O notation,which looks likef= O(g).)
xex
inequality
is less than or
equal to,
is greater than orequal to
order theory
xymeansxis less than or equal toy.
xymeansxis greater than or equal toy.
(The forms = are generally used inprogramming languages where ease of
typing and use ofASCIItext is preferred.)
3 4 and 5 5
5 4 and 5 5
subgroup
is a subgroup of
group theory
H GmeansHis a subgroup of G.Z ZA3 S3
http://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Much-less-than_signhttp://en.wikipedia.org/wiki/Much-less-than_signhttp://en.wikipedia.org/wiki/Much-greater-than_signhttp://en.wikipedia.org/wiki/Much-greater-than_signhttp://en.wikipedia.org/wiki/Inequality_(mathematics)http://en.wikipedia.org/wiki/Inequality_(mathematics)http://en.wikipedia.org/wiki/Inequality_(mathematics)http://en.wikipedia.org/wiki/Inequality_(mathematics)http://en.wikipedia.org/wiki/Order_theoryhttp://en.wikipedia.org/wiki/Order_theoryhttp://en.wikipedia.org/wiki/Analytic_number_theoryhttp://en.wikipedia.org/wiki/Analytic_number_theoryhttp://en.wikipedia.org/wiki/Analytic_number_theoryhttp://en.wikipedia.org/wiki/I._M._Vinogradovhttp://en.wikipedia.org/wiki/I._M._Vinogradovhttp://en.wikipedia.org/wiki/I._M._Vinogradovhttp://en.wikipedia.org/wiki/Big_O_notationhttp://en.wikipedia.org/wiki/Big_O_notationhttp://en.wikipedia.org/wiki/Big_O_notationhttp://en.wikipedia.org/wiki/Less_than_or_equal_tohttp://en.wikipedia.org/wiki/Less_than_or_equal_tohttp://en.wikipedia.org/wiki/Greater_than_or_equal_tohttp://en.wikipedia.org/wiki/Greater_than_or_equal_tohttp://en.wikipedia.org/wiki/Inequality_(mathematics)http://en.wikipedia.org/wiki/Inequality_(mathematics)http://en.wikipedia.org/wiki/Order_theoryhttp://en.wikipedia.org/wiki/Order_theoryhttp://en.wikipedia.org/wiki/ASCIIhttp://en.wikipedia.org/wiki/ASCIIhttp://en.wikipedia.org/wiki/ASCIIhttp://en.wikipedia.org/wiki/Subgrouphttp://en.wikipedia.org/wiki/Subgrouphttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Subgrouphttp://en.wikipedia.org/wiki/ASCIIhttp://en.wikipedia.org/wiki/Order_theoryhttp://en.wikipedia.org/wiki/Inequality_(mathematics)http://en.wikipedia.org/wiki/Greater_than_or_equal_tohttp://en.wikipedia.org/wiki/Less_than_or_equal_tohttp://en.wikipedia.org/wiki/Big_O_notationhttp://en.wikipedia.org/wiki/I._M._Vinogradovhttp://en.wikipedia.org/wiki/Analytic_number_theoryhttp://en.wikipedia.org/wiki/Analytic_number_theoryhttp://en.wikipedia.org/wiki/Order_theoryhttp://en.wikipedia.org/wiki/Inequality_(mathematics)http://en.wikipedia.org/wiki/Inequality_(mathematics)http://en.wikipedia.org/wiki/Much-greater-than_signhttp://en.wikipedia.org/wiki/Much-less-than_signhttp://en.wikipedia.org/wiki/Group_theory -
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reduction
is reducible to
computationalcomplexity
theory
Bmeans theproblemAcan be reducedto the problemB. Subscripts can be added
to the to indicate what kind of reduction.
If
then
congruence
relation
...is less than ... isgreater than...
modular
arithmetic
7k 28 (mod 2) is only true if kis an eveninteger. Assume that the problem requires kto be non-negative; the domain is defined as
0 k.
10a 5 (mod 5) for 1 a10
vector inequality
... is less than orequal... is greater
than or equal...
order theory
xymeans that each component of vectorxis less than or equal to each corresponding
component of vectory.
xymeans that each component of vectorxis greater than or equal to each
corresponding component of vectory.
It is important to note thatxy remainstrue if every element is equal. However, ifthe operator is changed,xy is true if and
only ifxy is also true.
Karp reduction
is Karp reducibleto;
is polynomial-
L1L2means that the problemL1is Karpreducible toL2.
[1]
IfL1L2andL2P,thenL1P.
http://en.wikipedia.org/wiki/Reduction_(complexity)http://en.wikipedia.org/wiki/Reduction_(complexity)http://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Computational_problemhttp://en.wikipedia.org/wiki/Computational_problemhttp://en.wikipedia.org/wiki/Computational_problemhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Congruence_relationhttp://en.wikipedia.org/wiki/Congruence_relationhttp://en.wikipedia.org/wiki/Congruence_relationhttp://en.wikipedia.org/wiki/Modular_arithmetichttp://en.wikipedia.org/wiki/Modular_arithmetichttp://en.wikipedia.org/wiki/Modular_arithmetichttp://en.wikipedia.org/wiki/Inequality_(mathematics)#Vector_inequalitieshttp://en.wikipedia.org/wiki/Inequality_(mathematics)#Vector_inequalitieshttp://en.wikipedia.org/wiki/Order_theoryhttp://en.wikipedia.org/wiki/Order_theoryhttp://en.wikipedia.org/wiki/Karp_reductionhttp://en.wikipedia.org/wiki/Karp_reductionhttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-1http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-1http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-1http://en.wikipedia.org/wiki/P_(complexity)http://en.wikipedia.org/wiki/P_(complexity)http://en.wikipedia.org/wiki/P_(complexity)http://en.wikipedia.org/wiki/P_(complexity)http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-1http://en.wikipedia.org/wiki/Karp_reductionhttp://en.wikipedia.org/wiki/Order_theoryhttp://en.wikipedia.org/wiki/Inequality_(mathematics)#Vector_inequalitieshttp://en.wikipedia.org/wiki/Modular_arithmetichttp://en.wikipedia.org/wiki/Modular_arithmetichttp://en.wikipedia.org/wiki/Congruence_relationhttp://en.wikipedia.org/wiki/Congruence_relationhttp://en.wikipedia.org/wiki/Computational_problemhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Reduction_(complexity) -
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time many-one
reducible to
computational
complexitytheory
proportionality
is proportional to;
varies as
everywhere
xmeans thaty= kxfor some constant k. ify= 2x, thenyx.
Karp reduction
is Karp reducible
to;is polynomial-
time many-one
reducible to
computational
complexitytheory
Bmeans theproblemAcan bepolynomially reduced to the problemB.
IfL1L2andL2P,thenL1P.
+
addition
plus;
add
arithmetic
4 + 6 means the sum of 4 and 6. 2 + 7 = 9
disjoint union
the disjoint union
1+A2means the disjoint union of setsA1
andA2.
A1= {3, 4, 5, 6} A2= {7, 8, 9, 10}A1+A2= {(3,1), (4,1), (5,1), (6,1), (7,2), (8,2), (9,2),
(10,2)}
http://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Proportionality_(mathematics)http://en.wikipedia.org/wiki/Proportionality_(mathematics)http://en.wikipedia.org/wiki/Proportionality_(mathematics)http://en.wikipedia.org/wiki/Proportionality_(mathematics)http://en.wikipedia.org/wiki/Karp_reductionhttp://en.wikipedia.org/wiki/Karp_reductionhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Computational_problemhttp://en.wikipedia.org/wiki/Computational_problemhttp://en.wikipedia.org/wiki/Computational_problemhttp://en.wikipedia.org/wiki/P_(complexity)http://en.wikipedia.org/wiki/P_(complexity)http://en.wikipedia.org/wiki/P_(complexity)http://en.wikipedia.org/wiki/Plus_signhttp://en.wikipedia.org/wiki/Plus_signhttp://en.wikipedia.org/wiki/Additionhttp://en.wikipedia.org/wiki/Additionhttp://en.wikipedia.org/wiki/Plus_and_minus_signshttp://en.wikipedia.org/wiki/Plus_and_minus_signshttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Disjoint_unionhttp://en.wikipedia.org/wiki/Disjoint_unionhttp://en.wikipedia.org/wiki/Disjoint_unionhttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Plus_and_minus_signshttp://en.wikipedia.org/wiki/Additionhttp://en.wikipedia.org/wiki/Plus_signhttp://en.wikipedia.org/wiki/P_(complexity)http://en.wikipedia.org/wiki/Computational_problemhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Karp_reductionhttp://en.wikipedia.org/wiki/Karp_reductionhttp://en.wikipedia.org/wiki/Proportionality_(mathematics)http://en.wikipedia.org/wiki/Proportionality_(mathematics)http://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Computational_complexity_theoryhttp://en.wikipedia.org/wiki/Computational_complexity_theory -
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of ... and ...
set theory
subtraction
minus;take;
subtract
arithmetic
9 4 means the subtraction of 4 from 9. 8 3 = 5
negative sign
negative;
minus;the opposite of
arithmetic
3 means thenegativeof the number 3. (5) = 5
set-theoretic
complement
minus;
without
set theory
Bmeans the set that contains all theelements ofAthat are not inB.
(can also be used for set-theoreticcomplement as described below.)
{1,2,4} {1,3,4} = {2}
plus-minus
plus or minus
arithmetic
6 3 means both 6 + 3 and 6 3. The equationx= 5 4, has two solutions,x= 7 andx= 3.
plus-minus 10 2 or equivalently 10 20% means therange from 10 2 to 10 + 2.
If a= 100 1mm,then a 99 mm and a 101 mm.
http://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Minus_signhttp://en.wikipedia.org/wiki/Minus_signhttp://en.wikipedia.org/wiki/Subtractionhttp://en.wikipedia.org/wiki/Subtractionhttp://en.wikipedia.org/wiki/Plus_and_minus_signshttp://en.wikipedia.org/wiki/Plus_and_minus_signshttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Plus_and_minus_signshttp://en.wikipedia.org/wiki/Plus_and_minus_signshttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Negative_numberhttp://en.wikipedia.org/wiki/Negative_numberhttp://en.wikipedia.org/wiki/Negative_numberhttp://en.wikipedia.org/wiki/Complement_(set_theory)http://en.wikipedia.org/wiki/Complement_(set_theory)http://en.wikipedia.org/wiki/Complement_(set_theory)http://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Plus-minus_signhttp://en.wikipedia.org/wiki/Plus-minus_signhttp://en.wikipedia.org/wiki/Plus-minus_signhttp://en.wikipedia.org/wiki/Plus-minus_signhttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Plus-minus_signhttp://en.wikipedia.org/wiki/Plus-minus_signhttp://en.wikipedia.org/wiki/Millimetrehttp://en.wikipedia.org/wiki/Millimetrehttp://en.wikipedia.org/wiki/Millimetrehttp://en.wikipedia.org/wiki/Millimetrehttp://en.wikipedia.org/wiki/Plus-minus_signhttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Plus-minus_signhttp://en.wikipedia.org/wiki/Plus-minus_signhttp://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Complement_(set_theory)http://en.wikipedia.org/wiki/Complement_(set_theory)http://en.wikipedia.org/wiki/Negative_numberhttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Plus_and_minus_signshttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Plus_and_minus_signshttp://en.wikipedia.org/wiki/Subtractionhttp://en.wikipedia.org/wiki/Minus_signhttp://en.wikipedia.org/wiki/Naive_set_theory -
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plus or minus
measurement
minus-plus
minus or plus
arithmetic
6 (3 5) means both 6 + (3 5) and 6 (3 + 5).
cos(xy) = cos(x) cos(y) sin(x) sin(y).
multiplication
times;multiplied by
arithmetic
3 4 means the multiplication of 3 by 4.
(The symbol * is generally used inprogramming languages, where ease of
typing and use ofASCIItext is preferred.)
7 8 = 56
Cartesian product
the Cartesianproduct of ... and
...;
the direct productof ... and ...
set theory
Ymeans the set of allordered pairswith
the first element of each pair selected from
X and the second element selected from Y.
{1,2} {3,4} = {(1,3),(1,4),(2,3),(2,4)}
cross product
cross
linear algebra
u vmeans the cross product ofvectorsuand v
(1,2,5) (3,4,1) =(22, 16, 2)
group of units
the group of units
Rconsists of the set of units of the ringR,
along with the operation of multiplication.
http://en.wikipedia.org/wiki/Measurementhttp://en.wikipedia.org/wiki/Measurementhttp://en.wikipedia.org/wiki/Minus-plus_signhttp://en.wikipedia.org/wiki/Minus-plus_signhttp://en.wikipedia.org/wiki/Minus-plus_signhttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Multiplication_signhttp://en.wikipedia.org/wiki/Multiplication_signhttp://en.wikipedia.org/wiki/Multiplicationhttp://en.wikipedia.org/wiki/Multiplicationhttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/ASCIIhttp://en.wikipedia.org/wiki/ASCIIhttp://en.wikipedia.org/wiki/ASCIIhttp://en.wikipedia.org/wiki/Cartesian_producthttp://en.wikipedia.org/wiki/Cartesian_producthttp://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Ordered_pairshttp://en.wikipedia.org/wiki/Ordered_pairshttp://en.wikipedia.org/wiki/Ordered_pairshttp://en.wikipedia.org/wiki/Cross_producthttp://en.wikipedia.org/wiki/Cross_producthttp://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/wiki/Vector_(geometry)http://en.wikipedia.org/wiki/Vector_(geometry)http://en.wikipedia.org/wiki/Vector_(geometry)http://en.wikipedia.org/wiki/Group_of_unitshttp://en.wikipedia.org/wiki/Group_of_unitshttp://en.wikipedia.org/wiki/Group_of_unitshttp://en.wikipedia.org/wiki/Vector_(geometry)http://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/wiki/Cross_producthttp://en.wikipedia.org/wiki/Ordered_pairshttp://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Cartesian_producthttp://en.wikipedia.org/wiki/ASCIIhttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Multiplicationhttp://en.wikipedia.org/wiki/Multiplication_signhttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Minus-plus_signhttp://en.wikipedia.org/wiki/Minus-plus_signhttp://en.wikipedia.org/wiki/Measurement -
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of
ring theory
This may also be writtenR* as described
below, orU(R).
*
multiplication
times;
multiplied by
arithmetic
a* bmeans the product of aand b.
(Multiplication can also be denoted with
or, or even simple juxtaposition.* isgenerally used where ease of typing and use
ofASCIItext is preferred, such as
rogramming languages.)
4 * 3 means the product of 4 and 3, or 12.
convolution
convolution;
convolved with
functional
analysis
*gmeans the convolution offandg.
.
complex
conjugate
conjugate
complex numbers
* means the complex conjugate ofz.
( can also be used for the conjugate of z,
as described below.)
.
group of units
the group of units
of
ring theory
R* consists of the set of units of the ringR,
along with the operation of multiplication.
This may also be writtenRas described
above, orU(R).
hyperreal*Rmeans the set of hyperreal numbers.
Other sets can be used in place of R.*Nis thehypernaturalnumbers.
http://en.wikipedia.org/wiki/Ring_theoryhttp://en.wikipedia.org/wiki/Ring_theoryhttp://en.wikipedia.org/wiki/Asteriskhttp://en.wikipedia.org/wiki/Asteriskhttp://en.wikipedia.org/wiki/Multiplicationhttp://en.wikipedia.org/wiki/Multiplicationhttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/ASCIIhttp://en.wikipedia.org/wiki/ASCIIhttp://en.wikipedia.org/wiki/ASCIIhttp://en.wikipedia.org/wiki/Convolutionhttp://en.wikipedia.org/wiki/Convolutionhttp://en.wikipedia.org/wiki/Functional_analysishttp://en.wikipedia.org/wiki/Functional_analysishttp://en.wikipedia.org/wiki/Functional_analysishttp://en.wikipedia.org/wiki/Complex_conjugatehttp://en.wikipedia.org/wiki/Complex_conjugatehttp://en.wikipedia.org/wiki/Complex_conjugatehttp://en.wikipedia.org/wiki/Complex_numbershttp://en.wikipedia.org/wiki/Complex_numbershttp://en.wikipedia.org/wiki/Group_of_unitshttp://en.wikipedia.org/wiki/Group_of_unitshttp://en.wikipedia.org/wiki/Ring_theoryhttp://en.wikipedia.org/wiki/Ring_theoryhttp://en.wikipedia.org/wiki/Hyperreal_numberhttp://en.wikipedia.org/wiki/Hypernaturalhttp://en.wikipedia.org/wiki/Hypernaturalhttp://en.wikipedia.org/wiki/Hypernaturalhttp://en.wikipedia.org/wiki/Hypernaturalhttp://en.wikipedia.org/wiki/Hyperreal_numberhttp://en.wikipedia.org/wiki/Ring_theoryhttp://en.wikipedia.org/wiki/Group_of_unitshttp://en.wikipedia.org/wiki/Complex_numbershttp://en.wikipedia.org/wiki/Complex_conjugatehttp://en.wikipedia.org/wiki/Complex_conjugatehttp://en.wikipedia.org/wiki/Functional_analysishttp://en.wikipedia.org/wiki/Functional_analysishttp://en.wikipedia.org/wiki/Convolutionhttp://en.wikipedia.org/wiki/ASCIIhttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Multiplicationhttp://en.wikipedia.org/wiki/Asteriskhttp://en.wikipedia.org/wiki/Ring_theory -
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numbers
the (set of)hyperreals
non-standard
analysis
Hodge dual
Hodge dual;
Hodge star
linear algebra
*vmeans the Hodge dual of a vector v. If vis ak-vectorwithin ann-dimensional
orientedinner productspace,then *vis an
(nk)-vector.
If are thestandard basisvectors of ,
multiplication
times;
multiplied by
arithmetic
3 4 means the multiplication of 3 by 4. 7 8 = 56
dot product
dot
linear algebra
u vmeans the dot product ofvectorsuand (1,2,5) (3,4,1) = 6
placeholder
(silent)
functional
analysis
A means a placeholder for an argument of
a function. Indicates the functional nature ofan expression without assigning a specific
symbol for an argument.
http://en.wikipedia.org/wiki/Hyperreal_numberhttp://en.wikipedia.org/wiki/Hyperreal_numberhttp://en.wikipedia.org/wiki/Non-standard_analysishttp://en.wikipedia.org/wiki/Non-standard_analysishttp://en.wikipedia.org/wiki/Non-standard_analysishttp://en.wikipedia.org/wiki/Hodge_dualhttp://en.wikipedia.org/wiki/Hodge_dualhttp://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/wiki/P-vectorhttp://en.wikipedia.org/wiki/P-vectorhttp://en.wikipedia.org/wiki/P-vectorhttp://en.wikipedia.org/wiki/P-vectorhttp://en.wikipedia.org/wiki/Dimension_(vector_space)http://en.wikipedia.org/wiki/Dimension_(vector_space)http://en.wikipedia.org/wiki/Dimension_(vector_space)http://en.wikipedia.org/wiki/Dimension_(vector_space)http://en.wikipedia.org/wiki/Orientation_(mathematics)http://en.wikipedia.org/wiki/Inner_producthttp://en.wikipedia.org/wiki/Inner_producthttp://en.wikipedia.org/wiki/Vector_spacehttp://en.wikipedia.org/wiki/Vector_spacehttp://en.wikipedia.org/wiki/Vector_spacehttp://en.wikipedia.org/wiki/Standard_basishttp://en.wikipedia.org/wiki/Standard_basishttp://en.wikipedia.org/wiki/Standard_basishttp://en.wikipedia.org/wiki/Middle_dothttp://en.wikipedia.org/wiki/Middle_dothttp://en.wikipedia.org/wiki/Multiplicationhttp://en.wikipedia.org/wiki/Multiplicationhttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Dot_producthttp://en.wikipedia.org/wiki/Dot_producthttp://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/wiki/Vector_(geometry)http://en.wikipedia.org/wiki/Vector_(geometry)http://en.wikipedia.org/wiki/Vector_(geometry)http://en.wikipedia.org/wiki/Functional_analysishttp://en.wikipedia.org/wiki/Functional_analysishttp://en.wikipedia.org/wiki/Functional_analysishttp://en.wikipedia.org/wiki/Functional_analysishttp://en.wikipedia.org/wiki/Functional_analysishttp://en.wikipedia.org/wiki/Functional_analysishttp://en.wikipedia.org/wiki/Vector_(geometry)http://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/wiki/Dot_producthttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Multiplicationhttp://en.wikipedia.org/wiki/Middle_dothttp://en.wikipedia.org/wiki/Standard_basishttp://en.wikipedia.org/wiki/Vector_spacehttp://en.wikipedia.org/wiki/Inner_producthttp://en.wikipedia.org/wiki/Orientation_(mathematics)http://en.wikipedia.org/wiki/Dimension_(vector_space)http://en.wikipedia.org/wiki/P-vectorhttp://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/wiki/Hodge_dualhttp://en.wikipedia.org/wiki/Non-standard_analysishttp://en.wikipedia.org/wiki/Non-standard_analysishttp://en.wikipedia.org/wiki/Hyperreal_number -
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tensor product,
tensor product ofmodules
tensor product of
linear algebra
means the tensor product of Vand
U.[3] means the tensor product of
modules Vand Uover theringR.
{1, 2, 3, 4}{1, 1, 2} ={{1, 2, 3, 4}, {1, 2, 3, 4}, {2, 4, 6, 8}}
KulkarniNomizu product
KulkarniNomizu product
tensor algebra
Derived from thetensor productof two
symmetric type (0,2)tensors;it has the
algebraic symmetries of theRiemann
tensor. has components
.
division(Obelus)
divided by;over
arithmetic
6 3 or 6 3 means the division of 6 by 3. 2 4 = 0.5
12 4 = 3
quotient group
mod
group theory
G/Hmeans the quotient of group G
moduloits subgroupH.
{0, a, 2a, b, b+a, b+2a} / {0, b} = {{0, b}, {a, b+a},
{2a, b+2a}}
quotient set
mod
set theory
/~ means the set of all ~equivalenceclassesinA.
If we define ~ by x ~ yx y , then/~ = { {x+ n: n} : x [0,1) }
http://en.wikipedia.org/wiki/Tensor_producthttp://en.wikipedia.org/wiki/Tensor_producthttp://en.wikipedia.org/wiki/Tensor_product_of_moduleshttp://en.wikipedia.org/wiki/Tensor_product_of_moduleshttp://en.wikipedia.org/wiki/Tensor_product_of_moduleshttp://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-m-nielsen-quantum-71-72-3http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-m-nielsen-quantum-71-72-3http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-m-nielsen-quantum-71-72-3http://en.wikipedia.org/wiki/Ring_(mathematics)http://en.wikipedia.org/wiki/Ring_(mathematics)http://en.wikipedia.org/wiki/Ring_(mathematics)http://en.wikipedia.org/wiki/Kulkarni%E2%80%93Nomizu_producthttp://en.wikipedia.org/wiki/Kulkarni%E2%80%93Nomizu_producthttp://en.wikipedia.org/wiki/Kulkarni%E2%80%93Nomizu_producthttp://en.wikipedia.org/wiki/Kulkarni%E2%80%93Nomizu_producthttp://en.wikipedia.org/wiki/Tensor_algebrahttp://en.wikipedia.org/wiki/Tensor_algebrahttp://en.wikipedia.org/wiki/Tensor_producthttp://en.wikipedia.org/wiki/Tensor_producthttp://en.wikipedia.org/wiki/Tensor_producthttp://en.wikipedia.org/wiki/Tensorhttp://en.wikipedia.org/wiki/Tensorhttp://en.wikipedia.org/wiki/Tensorhttp://en.wikipedia.org/wiki/Riemann_tensorhttp://en.wikipedia.org/wiki/Riemann_tensorhttp://en.wikipedia.org/wiki/Riemann_tensorhttp://en.wikipedia.org/wiki/Riemann_tensorhttp://en.wikipedia.org/wiki/Division_signhttp://en.wikipedia.org/wiki/Division_signhttp://en.wikipedia.org/wiki/Fraction_slashhttp://en.wikipedia.org/wiki/Division_(mathematics)http://en.wikipedia.org/wiki/Division_(mathematics)http://en.wikipedia.org/wiki/Obelushttp://en.wikipedia.org/wiki/Obelushttp://en.wikipedia.org/wiki/Obelushttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Quotient_grouphttp://en.wikipedia.org/wiki/Quotient_grouphttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Ideal_(ring_theory)http://en.wikipedia.org/wiki/Ideal_(ring_theory)http://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Equivalence_classhttp://en.wikipedia.org/wiki/Equivalence_classhttp://en.wikipedia.org/wiki/Equivalence_classhttp://en.wikipedia.org/wiki/Equivalence_classhttp://en.wikipedia.org/wiki/Equivalence_classhttp://en.wikipedia.org/wiki/Equivalence_classhttp://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Ideal_(ring_theory)http://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Quotient_grouphttp://en.wikipedia.org/wiki/Arithmetichttp://en.wikipedia.org/wiki/Obelushttp://en.wikipedia.org/wiki/Division_(mathematics)http://en.wikipedia.org/wiki/Fraction_slashhttp://en.wikipedia.org/wiki/Division_signhttp://en.wikipedia.org/wiki/Riemann_tensorhttp://en.wikipedia.org/wiki/Riemann_tensorhttp://en.wikipedia.org/wiki/Tensorhttp://en.wikipedia.org/wiki/Tensor_producthttp://en.wikipedia.org/wiki/Tensor_algebrahttp://en.wikipedia.org/wiki/Kulkarni%E2%80%93Nomizu_producthttp://en.wikipedia.org/wiki/Kulkarni%E2%80%93Nomizu_producthttp://en.wikipedia.org/wiki/Ring_(mathematics)http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-m-nielsen-quantum-71-72-3http://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/wiki/Tensor_product_of_moduleshttp://en.wikipedia.org/wiki/Tensor_product_of_moduleshttp://en.wikipedia.org/wiki/Tensor_product -
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square root
the (principal)square root of
real numbers
means the nonnegative number whosesquare is .
complex square
root
the (complex)
square root of
complex numbers
if is represented inpolar
coordinateswith , then
.
x
mean
overbar;
bar
statistics
(often read as x bar) is themean(average value of ). .
complexconjugate
conjugate
complex numbers
means the complex conjugate ofz.
(z* can also be used for the conjugate of z,
as described above.)
.
finite sequence,tuple
finite sequence,tuple
model theory
means the finite sequence/tuple
..
http://en.wikipedia.org/wiki/Radical_symbolhttp://en.wikipedia.org/wiki/Radical_symbolhttp://en.wikipedia.org/wiki/Square_roothttp://en.wikipedia.org/wiki/Square_roothttp://en.wikipedia.org/wiki/Real_numbershttp://en.wikipedia.org/wiki/Real_numbershttp://en.wikipedia.org/wiki/Square_root#Square_roots_of_complex_numbershttp://en.wikipedia.org/wiki/Square_root#Square_roots_of_complex_numbershttp://en.wikipedia.org/wiki/Square_root#Square_roots_of_complex_numbershttp://en.wikipedia.org/wiki/Complex_numbershttp://en.wikipedia.org/wiki/Complex_numbershttp://en.wikipedia.org/wiki/Polar_coordinate_systemhttp://en.wikipedia.org/wiki/Polar_coordinate_systemhttp://en.wikipedia.org/wiki/Polar_coordinate_systemhttp://en.wikipedia.org/wiki/Polar_coordinate_systemhttp://en.wikipedia.org/wiki/Overlinehttp://en.wikipedia.org/wiki/Overlinehttp://en.wikipedia.org/wiki/Meanhttp://en.wikipedia.org/wiki/Meanhttp://en.wikipedia.org/wiki/Statisticshttp://en.wikipedia.org/wiki/Statisticshttp://en.wikipedia.org/wiki/Meanhttp://en.wikipedia.org/wiki/Meanhttp://en.wikipedia.org/wiki/Meanhttp://en.wikipedia.org/wiki/Complex_conjugatehttp://en.wikipedia.org/wiki/Complex_conjugatehttp://en.wikipedia.org/wiki/Complex_conjugatehttp://en.wikipedia.org/wiki/Complex_numbershttp://en.wikipedia.org/wiki/Complex_numbershttp://en.wikipedia.org/wiki/Sequencehttp://en.wikipedia.org/wiki/Sequencehttp://en.wikipedia.org/wiki/Tuplehttp://en.wikipedia.org/wiki/Tuplehttp://en.wikipedia.org/wiki/Model_theoryhttp://en.wikipedia.org/wiki/Model_theoryhttp://en.wikipedia.org/wiki/Model_theoryhttp://en.wikipedia.org/wiki/Tuplehttp://en.wikipedia.org/wiki/Sequencehttp://en.wikipedia.org/wiki/Complex_numbershttp://en.wikipedia.org/wiki/Complex_conjugatehttp://en.wikipedia.org/wiki/Complex_conjugatehttp://en.wikipedia.org/wiki/Meanhttp://en.wikipedia.org/wiki/Statisticshttp://en.wikipedia.org/wiki/Meanhttp://en.wikipedia.org/wiki/Overlinehttp://en.wikipedia.org/wiki/Polar_coordinate_systemhttp://en.wikipedia.org/wiki/Polar_coordinate_systemhttp://en.wikipedia.org/wiki/Complex_numbershttp://en.wikipedia.org/wiki/Square_root#Square_roots_of_complex_numbershttp://en.wikipedia.org/wiki/Square_root#Square_roots_of_complex_numbershttp://en.wikipedia.org/wiki/Real_numbershttp://en.wikipedia.org/wiki/Square_roothttp://en.wikipedia.org/wiki/Radical_symbol -
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algebraic closure
algebraic closureof
field theory
is the algebraic closure of the fieldF.
The field ofalgebraic numbersis sometimes denoted as
because it is the algebraic closure of therational
numbers .
topological
closure
(topological)
closure of
topology
is the topological closure of the set S.
This may also be denoted ascl(S) orCl(S).
In the space of the real numbers, (the rationalnumbers aredensein the real numbers).
unit vector
hat
geometry
(pronounced "a hat") is thenormalizedversionof vector , having length 1.
||
absolute value;
modulus
absolute value of;
modulus of
numbers
|x| means the distance along thereal line(oracross thecomplex plane)betweenxand
zero.
|3| = 3
|5| = |5| = 5
| i| = 1
| 3 + 4i| = 5
Euclidean normor Euclidean
length or
magnitude
Euclidean norm
|x| means the (Euclidean) length ofvectorx.For x= (3,-4)
http://en.wikipedia.org/wiki/Algebraic_closurehttp://en.wikipedia.org/wiki/Algebraic_closurehttp://en.wikipedia.org/wiki/Field_theory_(mathematics)http://en.wikipedia.org/wiki/Field_theory_(mathematics)http://en.wikipedia.org/wiki/Algebraic_numberhttp://en.wikipedia.org/wiki/Algebraic_numberhttp://en.wikipedia.org/wiki/Algebraic_numberhttp://en.wikipedia.org/wiki/Rational_numbershttp://en.wikipedia.org/wiki/Rational_numbershttp://en.wikipedia.org/wiki/Rational_numbershttp://en.wikipedia.org/wiki/Rational_numbershttp://en.wikipedia.org/wiki/Topological_closurehttp://en.wikipedia.org/wiki/Topological_closurehttp://en.wikipedia.org/wiki/Topological_closurehttp://en.wikipedia.org/wiki/Topologyhttp://en.wikipedia.org/wiki/Topologyhttp://en.wikipedia.org/wiki/Dense_(topology)http://en.wikipedia.org/wiki/Dense_(topology)http://en.wikipedia.org/wiki/Dense_(topology)http://en.wikipedia.org/wiki/Unit_vectorhttp://en.wikipedia.org/wiki/Unit_vectorhttp://en.wikipedia.org/wiki/Geometryhttp://en.wikipedia.org/wiki/Geometryhttp://en.wikipedia.org/wiki/Unit_vectorhttp://en.wikipedia.org/wiki/Unit_vectorhttp://en.wikipedia.org/wiki/Unit_vectorhttp://en.wikipedia.org/wiki/Unit_vectorhttp://en.wikipedia.org/wiki/Absolute_valuehttp://en.wikipedia.org/wiki/Absolute_valuehttp://en.wikipedia.org/wiki/Numberhttp://en.wikipedia.org/wiki/Numberhttp://en.wikipedia.org/wiki/Real_linehttp://en.wikipedia.org/wiki/Real_linehttp://en.wikipedia.org/wiki/Real_linehttp://en.wikipedia.org/wiki/Complex_planehttp://en.wikipedia.org/wiki/Complex_planehttp://en.wikipedia.org/wiki/Complex_planehttp://en.wikipedia.org/wiki/0_(number)http://en.wikipedia.org/wiki/0_(number)http://en.wikipedia.org/wiki/Euclidean_normhttp://en.wikipedia.org/wiki/Euclidean_normhttp://en.wikipedia.org/wiki/Euclidean_vectorhttp://en.wikipedia.org/wiki/Euclidean_vectorhttp://en.wikipedia.org/wiki/Euclidean_vectorhttp://en.wikipedia.org/wiki/Euclidean_vectorhttp://en.wikipedia.org/wiki/Euclidean_normhttp://en.wikipedia.org/wiki/0_(number)http://en.wikipedia.org/wiki/Complex_planehttp://en.wikipedia.org/wiki/Real_linehttp://en.wikipedia.org/wiki/Numberhttp://en.wikipedia.org/wiki/Absolute_valuehttp://en.wikipedia.org/wiki/Unit_vectorhttp://en.wikipedia.org/wiki/Unit_vectorhttp://en.wikipedia.org/wiki/Geometryhttp://en.wikipedia.org/wiki/Unit_vectorhttp://en.wikipedia.org/wiki/Dense_(topology)http://en.wikipedia.org/wiki/Topologyhttp://en.wikipedia.org/wiki/Topological_closurehttp://en.wikipedia.org/wiki/Topological_closurehttp://en.wikipedia.org/wiki/Rational_numbershttp://en.wikipedia.org/wiki/Rational_numbershttp://en.wikipedia.org/wiki/Algebraic_numberhttp://en.wikipedia.org/wiki/Field_theory_(mathematics)http://en.wikipedia.org/wiki/Algebraic_closure -
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of
geometry
determinant
determinant of
matrix theory
|A| means the determinant of the matrix A
cardinality
cardinality of;size of;
order of
set theory
|X| means the cardinality of the setX.
(# may be used instead as described below.)
|{3, 5, 7, 9}| = 4.
||
|
|
norm
norm of;
length of
linear algebra
||x|| means thenormof the elementxof a
normed vector space.[4]
||x+y|| ||x|| + ||y||
nearest integerfunction
nearest integer to
numbers
||x|| means the nearest integer tox.
(This may also be written[x], x, nint(x) orRound(x).)
||1|| = 1, ||1.6|| = 2, ||2.4|| = 2, ||3.49|| = 3
divisor,divides
divides
a|bmeans adivides b.
abmeans adoes not divide b.
(This symbol can be difficult to type, and its
Since 15 = 35, it is true that 3|15 and 5|15.
http://en.wikipedia.org/wiki/Geometryhttp://en.wikipedia.org/wiki/Geometryhttp://en.wikipedia.org/wiki/Determinanthttp://en.wikipedia.org/wiki/Determinanthttp://en.wikipedia.org/wiki/Matrix_(mathematics)http://en.wikipedia.org/wiki/Matrix_(mathematics)http://en.wikipedia.org/wiki/Cardinalityhttp://en.wikipedia.org/wiki/Cardinalityhttp://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Norm_(mathematics)http://en.wikipedia.org/wiki/Norm_(mathematics)http://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/wiki/Norm_(mathematics)http://en.wikipedia.org/wiki/Norm_(mathematics)http://en.wikipedia.org/wiki/Norm_(mathematics)http://en.wikipedia.org/wiki/Normed_vector_spacehttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-m-nielsen-quantum-66-4http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-m-nielsen-quantum-66-4http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-m-nielsen-quantum-66-4http://en.wikipedia.org/wiki/Nearest_integer_functionhttp://en.wikipedia.org/wiki/Nearest_integer_functionhttp://en.wikipedia.org/wiki/Nearest_integer_functionhttp://en.wikipedia.org/wiki/Numberhttp://en.wikipedia.org/wiki/Numberhttp://en.wikipedia.org/wiki/Vertical_barhttp://en.wikipedia.org/wiki/Divisorhttp://en.wikipedia.org/wiki/Divisorhttp://en.wikipedia.org/wiki/Division_(mathematics)http://en.wikipedia.org/wiki/Division_(mathematics)http://en.wikipedia.org/wiki/Division_(mathematics)http://en.wikipedia.org/wiki/Division_(mathematics)http://en.wikipedia.org/wiki/Divisorhttp://en.wikipedia.org/wiki/Vertical_barhttp://en.wikipedia.org/wiki/Numberhttp://en.wikipedia.org/wiki/Nearest_integer_functionhttp://en.wikipedia.org/wiki/Nearest_integer_functionhttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-m-nielsen-quantum-66-4http://en.wikipedia.org/wiki/Normed_vector_spacehttp://en.wikipedia.org/wiki/Norm_(mathematics)http://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/wiki/Norm_(mathematics)http://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Cardinalityhttp://en.wikipedia.org/wiki/Matrix_(mathematics)http://en.wikipedia.org/wiki/Determinanthttp://en.wikipedia.org/wiki/Geometry -
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number theorynegation is rare, so a regular but slightly
shorter vertical bar| character can beused.)
conditional
probability
given
probability
P(A|B) means the probability of the event aoccurring given that boccurs.
if X is a uniformly random day of the yearP(X is May25 | X is in May) = 1/31
restriction
restriction of to ;
restricted to
set theory
|Ameans the functionfrestricted to the set
, that is, it is the function withdomainAdom(f) that agrees withf.
The functionf: R Rdefined byf(x) =x2is notinjective, butf|R
+is injective.
such that
such that;so that
everywhere
| means such that, see ":" (describedbelow).
S = {(x,y) | 0 < y < f(x)}The set of (x,y) such that y is greater than 0 and less
than f(x).
||
parallel
is parallel to
geometry
x||ymeansxis parallel toy. If l|| mand mnthen ln.
incomparability
is incomparable
x||ymeansxis incomparable toy. {1,2} || {2,3} under set containment.
http://en.wikipedia.org/wiki/Number_theoryhttp://en.wikipedia.org/wiki/Number_theoryhttp://en.wikipedia.org/wiki/Conditional_probabilityhttp://en.wikipedia.org/wiki/Conditional_probabilityhttp://en.wikipedia.org/wiki/Conditional_probabilityhttp://en.wikipedia.org/wiki/Probabilityhttp://en.wikipedia.org/wiki/Probabilityhttp://en.wikipedia.org/wiki/Restriction_(mathematics)http://en.wikipedia.org/wiki/Restriction_(mathematics)http://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Domain_(function)http://en.wikipedia.org/wiki/Domain_(function)http://en.wikipedia.org/wiki/Domain_(function)http://en.wikipedia.org/wiki/Parallel_(geometry)http://en.wikipedia.org/wiki/Parallel_(geometry)http://en.wikipedia.org/wiki/Geometryhttp://en.wikipedia.org/wiki/Geometryhttp://en.wikipedia.org/wiki/Comparabilityhttp://en.wikipedia.org/wiki/Comparabilityhttp://en.wikipedia.org/wiki/Comparabilityhttp://en.wikipedia.org/wiki/Geometryhttp://en.wikipedia.org/wiki/Parallel_(geometry)http://en.wikipedia.org/wiki/Domain_(function)http://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Restriction_(mathematics)http://en.wikipedia.org/wiki/Probabilityhttp://en.wikipedia.org/wiki/Conditional_probabilityhttp://en.wikipedia.org/wiki/Conditional_probabilityhttp://en.wikipedia.org/wiki/Number_theory -
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to
order theory
exactdivisibility
exactly divides
number theory
a|| nmeanspaexactly divides n(i.e.padivides nbutp
a+1does not).
23|| 360.
#
cardinality
cardinality of;size of;
order of
set theory
#Xmeans the cardinality of the setX.
(|| may be used instead as describedabove.)
#{4, 6, 8} = 3
connected sum
connected sum
of;
knot sum of;knot composition
of
topology,knottheory
#Bis the connected sum of the manifolds
andB. IfAandBare knots, then thisdenotes the knot sum, which has a slightly
stronger condition.
A#SmishomeomorphictoA, for any manifoldA, and
the sphere Sm.
primorial
primorial
number theory
n# is product of all prime numbers less than
or equal to n.12# = 2 3 5 7 11 = 2310
http://en.wikipedia.org/wiki/Order_theoryhttp://en.wikipedia.org/wiki/Order_theoryhttp://en.wikipedia.org/wiki/Divisibilityhttp://en.wikipedia.org/wiki/Divisibilityhttp://en.wikipedia.org/wiki/Divisibilityhttp://en.wikipedia.org/wiki/Number_theoryhttp://en.wikipedia.org/wiki/Number_theoryhttp://en.wikipedia.org/wiki/Number_signhttp://en.wikipedia.org/wiki/Number_signhttp://en.wikipedia.org/wiki/Cardinalityhttp://en.wikipedia.org/wiki/Cardinalityhttp://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Connected_sumhttp://en.wikipedia.org/wiki/Connected_sumhttp://en.wikipedia.org/wiki/Topologyhttp://en.wikipedia.org/wiki/Topologyhttp://en.wikipedia.org/wiki/Knot_theoryhttp://en.wikipedia.org/wiki/Knot_theoryhttp://en.wikipedia.org/wiki/Knot_theoryhttp://en.wikipedia.org/wiki/Knot_theoryhttp://en.wikipedia.org/wiki/Homeomorphichttp://en.wikipedia.org/wiki/Homeomorphichttp://en.wikipedia.org/wiki/Homeomorphichttp://en.wikipedia.org/wiki/Primorialhttp://en.wikipedia.org/wiki/Primorialhttp://en.wikipedia.org/wiki/Number_theoryhttp://en.wikipedia.org/wiki/Number_theoryhttp://en.wikipedia.org/wiki/Number_theoryhttp://en.wikipedia.org/wiki/Primorialhttp://en.wikipedia.org/wiki/Homeomorphichttp://en.wikipedia.org/wiki/Knot_theoryhttp://en.wikipedia.org/wiki/Knot_theoryhttp://en.wikipedia.org/wiki/Topologyhttp://en.wikipedia.org/wiki/Connected_sumhttp://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Cardinalityhttp://en.wikipedia.org/wiki/Number_signhttp://en.wikipedia.org/wiki/Number_theoryhttp://en.wikipedia.org/wiki/Divisibilityhttp://en.wikipedia.org/wiki/Order_theory -
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aleph number
aleph
set theory
represents an infinite cardinality(specifically, the -th one, where is an
ordinal).
|| = 0, which is called aleph-null.
beth number
beth
set theory
represents an infinite cardinality (similarto , but does not necessarily index all ofthe numbers indexed by . ).
cardinality of thecontinuum
cardinality of the
continuum;c;
cardinality of thereal numbers
set theory
The cardinality of is denoted by or bythe symbol (a lowercaseFrakturletter C).
:
such that
such that;
so that
everywhere
: means such that, and is used in proofsand theset-builder notation(described
below).
n: nis even.
field extension
extends;over
field theory
K:Fmeans the fieldKextends the fieldF.
This may also be written asKF.:
http://en.wikipedia.org/wiki/Aleph_(letter)http://en.wikipedia.org/wiki/Aleph_numberhttp://en.wikipedia.org/wiki/Aleph_numberhttp://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Beth_(letter)http://en.wikipedia.org/wiki/Beth_(letter)http://en.wikipedia.org/wiki/Beth_numberhttp://en.wikipedia.org/wiki/Beth_numberhttp://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Cardinality_of_the_continuumhttp://en.wikipedia.org/wiki/Cardinality_of_the_continuumhttp://en.wikipedia.org/wiki/Cardinality_of_the_continuumhttp://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Fraktur_(script)http://en.wikipedia.org/wiki/Fraktur_(script)http://en.wikipedia.org/wiki/Fraktur_(script)http://en.wikipedia.org/wiki/Colon_(punctuation)http://en.wikipedia.org/wiki/Colon_(punctuation)http://en.wikipedia.org/wiki/Set-builder_notationhttp://en.wikipedia.org/wiki/Set-builder_notationhttp://en.wikipedia.org/wiki/Set-builder_notationhttp://en.wikipedia.org/wiki/Field_extensionhttp://en.wikipedia.org/wiki/Field_extensionhttp://en.wikipedia.org/wiki/Field_theory_(mathematics)http://en.wikipedia.org/wiki/Field_theory_(mathematics)http://en.wikipedia.org/wiki/Field_theory_(mathematics)http://en.wikipedia.org/wiki/Field_extensionhttp://en.wikipedia.org/wiki/Set-builder_notationhttp://en.wikipedia.org/wiki/Colon_(punctuation)http://en.wikipedia.org/wiki/Fraktur_(script)http://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Cardinality_of_the_continuumhttp://en.wikipedia.org/wiki/Cardinality_of_the_continuumhttp://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Beth_numberhttp://en.wikipedia.org/wiki/Beth_(letter)http://en.wikipedia.org/wiki/Set_theoryhttp://en.wikipedia.org/wiki/Aleph_numberhttp://en.wikipedia.org/wiki/Aleph_(letter) -
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inner productofmatrices
inner product of
linear algebra
:Bmeans the Frobenius inner product of
the matricesAandB.
The general inner product is denoted byu,
v, u| vor(u| v), as described below. Forspatial vectors, thedot productnotation,xyis common.See alsoBra-ket notation.
index of a
subgroup
index ofsubgroup
group theory
The index of a subgroup H in a group G is
the "relative size" of H in G: equivalently,the number of "copies" (cosets)of H that fill
up G
!
factorial
factorial
combinatorics
n! means the product 1 2 ... n. 4! = 1 2 3 4 = 24
logical negation
not
propositional
logic
The statement !Ais true if and only ifAis
false.
A slash placed through another operator is
the same as "!" placed in front.
(The symbol! is primarily from computerscience. It is avoided in mathematical texts,
where the notationAis preferred.)
!(!A)A
xy!(x=y)
~ probability
distribution~ D, means therandom variableXhas the
probability distributionD.X~N(0,1), thestandard normal distribution
http://en.wikipedia.org/wiki/Inner_producthttp://en.wikipedia.org/wiki/Inner_producthttp://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/wiki/Dot_producthttp://en.wikipedia.org/wiki/Dot_producthttp://en.wikipedia.org/wiki/Dot_producthttp://en.wikipedia.org/wiki/Bra-ket_notationhttp://en.wikipedia.org/wiki/Bra-ket_notationhttp://en.wikipedia.org/wiki/Bra-ket_notationhttp://en.wikipedia.org/wiki/Index_of_a_subgrouphttp://en.wikipedia.org/wiki/Index_of_a_subgrouphttp://en.wikipedia.org/wiki/Index_of_a_subgrouphttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Cosethttp://en.wikipedia.org/wiki/Cosethttp://en.wikipedia.org/wiki/Cosethttp://en.wikipedia.org/wiki/Exclamation_markhttp://en.wikipedia.org/wiki/Exclamation_markhttp://en.wikipedia.org/wiki/Factorialhttp://en.wikipedia.org/wiki/Factorialhttp://en.wikipedia.org/wiki/Combinatoricshttp://en.wikipedia.org/wiki/Combinatoricshttp://en.wikipedia.org/wiki/Logical_negationhttp://en.wikipedia.org/wiki/Logical_negationhttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Tildehttp://en.wikipedia.org/wiki/Probability_distributionhttp://en.wikipedia.org/wiki/Probability_distributionhttp://en.wikipedia.org/wiki/Probability_distributionhttp://en.wikipedia.org/wiki/Random_variablehttp://en.wikipedia.org/wiki/Random_variablehttp://en.wikipedia.org/wiki/Random_variablehttp://en.wikipedia.org/wiki/Standard_normal_distributionhttp://en.wikipedia.org/wiki/Standard_normal_distributionhttp://en.wikipedia.org/wiki/Standard_normal_distributionhttp://en.wikipedia.org/wiki/Standard_normal_distributionhttp://en.wikipedia.org/wiki/Random_variablehttp://en.wikipedia.org/wiki/Probability_distributionhttp://en.wikipedia.org/wiki/Probability_distributionhttp://en.wikipedia.org/wiki/Tildehttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Logical_negationhttp://en.wikipedia.org/wiki/Combinatoricshttp://en.wikipedia.org/wiki/Factorialhttp://en.wikipedia.org/wiki/Exclamation_markhttp://en.wikipedia.org/wiki/Cosethttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Index_of_a_subgrouphttp://en.wikipedia.org/wiki/Index_of_a_subgrouphttp://en.wikipedia.org/wiki/Bra-ket_notationhttp://en.wikipedia.org/wiki/Dot_producthttp://en.wikipedia.org/wiki/Linear_algebrahttp://en.wikipedia.org/wiki/Inner_product -
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has distribution
statistics
row equivalence
is row equivalentto
matrix theory
~Bmeans thatBcan be generated by usinga series ofelementary row operationsonA
sameorder of
magnitude
roughly similar;
poorly
approximates
approximationtheory
m~ nmeans the quantities mand nhave the
sameorder of magnitude,or general size.
(Note that~ is used for an approximationthat is poor, otherwise use .)
2 ~ 5
8 9 ~ 100
but 2 10
asymptoticallyequivalent
is asymptoticallyequivalent to
asymptotic
analysis
~gmeans .x ~ x+1
equivalencerelation
are in the same
equivalence class
a~ bmeans (and equivalently
).1 ~ 5 mod 4
http://en.wikipedia.org/wiki/Statisticshttp://en.wikipedia.org/wiki/Statisticshttp://en.wikipedia.org/wiki/Elementary_matrix_transformationshttp://en.wikipedia.org/wiki/Elementary_matrix_transformationshttp://en.wikipedia.org/wiki/Matrix_(mathematics)http://en.wikipedia.org/wiki/Matrix_(mathematics)http://en.wikipedia.org/wiki/Elementary_row_operationshttp://en.wikipedia.org/wiki/Elementary_row_operationshttp://en.wikipedia.org/wiki/Elementary_row_operationshttp://en.wikipedia.org/wiki/Order_of_magnitudehttp://en.wikipedia.org/wiki/Order_of_magnitudehttp://en.wikipedia.org/wiki/Order_of_magnitudehttp://en.wikipedia.org/wiki/Order_of_magnitudehttp://en.wikipedia.org/wiki/Approximationhttp://en.wikipedia.org/wiki/Approximationhttp://en.wikipedia.org/wiki/Approximationhttp://en.wikipedia.org/wiki/Approximation_theoryhttp://en.wikipedia.org/wiki/Approximation_theoryhttp://en.wikipedia.org/wiki/Approximation_theoryhttp://en.wikipedia.org/wiki/Order_of_magnitudehttp://en.wikipedia.org/wiki/Order_of_magnitudehttp://en.wikipedia.org/wiki/Order_of_magnitudehttp://en.wikipedia.org/wiki/Asymptotic_analysishttp://en.wikipedia.org/wiki/Asymptotic_analysishttp://en.wikipedia.org/wiki/Asymptotic_analysishttp://en.wikipedia.org/wiki/Asymptotic_analysishttp://en.wikipedia.org/wiki/Asymptotic_analysishttp://en.wikipedia.org/wiki/Asymptotic_analysishttp://en.wikipedia.org/wiki/Equivalence_relationhttp://en.wikipedia.org/wiki/Equivalence_relationhttp://en.wikipedia.org/wiki/Equivalence_relationhttp://en.wikipedia.org/wiki/Equivalence_relationhttp://en.wikipedia.org/wiki/Equivalence_relationhttp://en.wikipedia.org/wiki/Asymptotic_analysishttp://en.wikipedia.org/wiki/Asymptotic_analysishttp://en.wikipedia.org/wiki/Asymptotic_analysishttp://en.wikipedia.org/wiki/Asymptotic_analysishttp://en.wikipedia.org/wiki/Order_of_magnitudehttp://en.wikipedia.org/wiki/Approximation_theoryhttp://en.wikipedia.org/wiki/Approximation_theoryhttp://en.wikipedia.org/wiki/Approximationhttp://en.wikipedia.org/wiki/Approximationhttp://en.wikipedia.org/wiki/Order_of_magnitudehttp://en.wikipedia.org/wiki/Order_of_magnitudehttp://en.wikipedia.org/wiki/Elementary_row_operationshttp://en.wikipedia.org/wiki/Matrix_(mathematics)http://en.wikipedia.org/wiki/Elementary_matrix_transformationshttp://en.wikipedia.org/wiki/Statistics -
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everywhere
approximately
equal
is approximatelyequal to
everywhere
xymeansxis approximately equal toy.
This may also be written, , ~,(LibraSymbol), or.
3.14159
isomorphism
is isomorphic to
group theory
GHmeans that group Gis isomorphic(structurally identical) to groupH.
(can also be used for isomorphic, asdescribed below.)
Q/ {1, 1} V,where Qis thequaternion groupand Vis theKleinfour-group.
wreath product
wreath product of by
group theory
Hmeans the wreath product of thegroupAby the groupH.
This may also be writtenAwrH.
is isomorphic to theautomorphismgroup ofthecomplete bipartite graphon (n,n) vertices.
normal subgroup
is a normalsubgroup of
group theory
Gmeans thatNis a normal subgroup of
group G.Z(G) G
ideal
is an ideal of
ring theory
IRmeans thatIis an ideal of ringR. (2) Z
http://en.wikipedia.org/wiki/Equals_sign#Approximately_equalhttp://en.wikipedia.org/wiki/Equals_sign#Approximately_equalhttp://en.wikipedia.org/wiki/Isomorphismhttp://en.wikipedia.org/wiki/Isomorphismhttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Quaternion_grouphttp://en.wikipedia.org/wiki/Quaternion_grouphttp://en.wikipedia.org/wiki/Quaternion_grouphttp://en.wikipedia.org/wiki/Klein_four-grouphttp://en.wikipedia.org/wiki/Klein_four-grouphttp://en.wikipedia.org/wiki/Klein_four-grouphttp://en.wikipedia.org/wiki/Klein_four-grouphttp://en.wikipedia.org/wiki/Wreath_producthttp://en.wikipedia.org/wiki/Wreath_producthttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Graph_automorphismhttp://en.wikipedia.org/wiki/Graph_automorphismhttp://en.wikipedia.org/wiki/Graph_automorphismhttp://en.wikipedia.org/wiki/Complete_bipartite_graphhttp://en.wikipedia.org/wiki/Complete_bipartite_graphhttp://en.wikipedia.org/wiki/Complete_bipartite_graphhttp://en.wikipedia.org/wiki/Normal_subgrouphttp://en.wikipedia.org/wiki/Normal_subgrouphttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Ideal_of_a_ringhttp://en.wikipedia.org/wiki/Ideal_of_a_ringhttp://en.wikipedia.org/wiki/Ring_theoryhttp://en.wikipedia.org/wiki/Ring_theoryhttp://en.wikipedia.org/wiki/Ring_theoryhttp://en.wikipedia.org/wiki/Ideal_of_a_ringhttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Normal_subgrouphttp://en.wikipedia.org/wiki/Complete_bipartite_graphhttp://en.wikipedia.org/wiki/Graph_automorphismhttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Wreath_producthttp://en.wikipedia.org/wiki/Klein_four-grouphttp://en.wikipedia.org/wiki/Klein_four-grouphttp://en.wikipedia.org/wiki/Quaternion_grouphttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Isomorphismhttp://en.wikipedia.org/wiki/Equals_sign#Approximately_equal -
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antijoin
the antijoin of
relational algebra
RSmeans the antijoin of the relationsR
and S, the tuples inRfor which there is nota tuple in Sthat is equal on their common
attribute names.
R S=R-R S
semidirectproduct
the semidirectproduct of
group theory
His the semidirect product ofN(anormal subgroup) andH(a subgroup), with
respect to . Also, if G=NH, then Gissaid to split overN.
(may also be written the other way round,as, or as.)
semijoin
the semijoin of
relational algebra
RSis the semijoin of the relationsRand
S, the set of all tuples inRfor which there isa tuple in Sthat is equal on their common
attribute names.
R S= a1,..,an(R S)
natural join
the natural join of
relational algebra
RSis the natural join of the relationsRand S, the set of all combinations of tuples
inRand Sthat are equal on their commonattribute names.
therefore
therefore;so;
hence
everywhere
Sometimes used in proofs beforelogical
consequences.All humans are mortal. Socrates is a human. Socratesis mortal.
because Sometimes used in proofs before reasoning. 11 isprimeit has no positive integer factors otherthan itself and one.
http://en.wikipedia.org/wiki/Antijoinhttp://en.wikipedia.org/wiki/Antijoinhttp://en.wikipedia.org/wiki/Relational_algebrahttp://en.wikipedia.org/wiki/Relational_algebrahttp://en.wikipedia.org/wiki/Semidirect_producthttp://en.wikipedia.org/wiki/Semidirect_producthttp://en.wikipedia.org/wiki/Semidirect_producthttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Semijoinhttp://en.wikipedia.org/wiki/Semijoinhttp://en.wikipedia.org/wiki/Relational_algebrahttp://en.wikipedia.org/wiki/Relational_algebrahttp://en.wikipedia.org/wiki/Natural_joinhttp://en.wikipedia.org/wiki/Natural_joinhttp://en.wikipedia.org/wiki/Relational_algebrahttp://en.wikipedia.org/wiki/Relational_algebrahttp://en.wikipedia.org/wiki/Therefore_signhttp://en.wikipedia.org/wiki/Therefore_signhttp://en.wikipedia.org/wiki/Thereforehttp://en.wikipedia.org/wiki/Thereforehttp://en.wikipedia.org/wiki/Logical_consequencehttp://en.wikipedia.org/wiki/Logical_consequencehttp://en.wikipedia.org/wiki/Logical_consequencehttp://en.wikipedia.org/wiki/Logical_consequencehttp://en.wikipedia.org/wiki/Because_signhttp://en.wikipedia.org/wiki/Because_signhttp://en.wiktionary.org/wiki/becausehttp://en.wiktionary.org/wiki/becausehttp://en.wikipedia.org/wiki/Prime_numberhttp://en.wikipedia.org/wiki/Prime_numberhttp://en.wikipedia.org/wiki/Prime_numberhttp://en.wikipedia.org/wiki/Prime_numberhttp://en.wiktionary.org/wiki/becausehttp://en.wikipedia.org/wiki/Because_signhttp://en.wikipedia.org/wiki/Logical_consequencehttp://en.wikipedia.org/wiki/Logical_consequencehttp://en.wikipedia.org/wiki/Thereforehttp://en.wikipedia.org/wiki/Therefore_signhttp://en.wikipedia.org/wiki/Relational_algebrahttp://en.wikipedia.org/wiki/Natural_joinhttp://en.wikipedia.org/wiki/Relational_algebrahttp://en.wikipedia.org/wiki/Semijoinhttp://en.wikipedia.org/wiki/Group_theoryhttp://en.wikipedia.org/wiki/Semidirect_producthttp://en.wikipedia.org/wiki/Semidirect_producthttp://en.wikipedia.org/wiki/Relational_algebrahttp://en.wikipedia.org/wiki/Antijoin -
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because;
since
everywhere
end of proof
QED;
tombstone;Halmos symbol
everywhere
Used to mark the end of a proof.
(May also be writtenQ.E.D.)
D'Alembertian
non-Euclidean
Laplacian
vector calculus
It is the generalisation of theLaplaceoperatorin the sense that it is the
differential operator which is invariant
under the isometry group of the underlyingspace and it reduces to the Laplace operator
if restricted to time independent functions.
material
implication
implies;
if then
propositional
logic,Heytingalgebra
Bmeans ifAis true thenBis also true;
ifAis false then nothing is said aboutB.
( may mean the same as, or it mayhave the meaning forfunctionsgiven
below.)
(may mean the same as,[5]or it mayhave the meaning forsupersetgiven below.)
x= 2x2= 4 is true, butx2= 4x= 2 is in generalfalse (sincexcould be 2).
http://en.wikipedia.org/wiki/Tombstone_(typography)http://en.wikipedia.org/wiki/End_of_proofhttp://en.wikipedia.org/wiki/End_of_proofhttp://en.wikipedia.org/wiki/Quod_erat_demonstrandumhttp://en.wikipedia.org/wiki/Quod_erat_demonstrandumhttp://en.wikipedia.org/wiki/Tombstone_(typography)http://en.wikipedia.org/wiki/Tombstone_(typography)http://en.wikipedia.org/wiki/D%27Alembertianhttp://en.wikipedia.org/wiki/D%27Alembertianhttp://en.wikipedia.org/wiki/Vector_calculushttp://en.wikipedia.org/wiki/Vector_calculushttp://en.wikipedia.org/wiki/Laplace_operatorhttp://en.wikipedia.org/wiki/Laplace_operatorhttp://en.wikipedia.org/wiki/Laplace_operatorhttp://en.wikipedia.org/wiki/Laplace_operatorhttp://en.wikipedia.org/wiki/Material_implicationhttp://en.wikipedia.org/wiki/Material_implicationhttp://en.wikipedia.org/wiki/Material_implicationhttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Heyting_algebrahttp://en.wikipedia.org/wiki/Heyting_algebrahttp://en.wikipedia.org/wiki/Heyting_algebrahttp://en.wikipedia.org/wiki/Heyting_algebrahttp://en.wikipedia.org/wiki/Function_(mathematics)http://en.wikipedia.org/wiki/Function_(mathematics)http://en.wikipedia.org/wiki/Function_(mathematics)http://en.wikipedia.org/wiki/Heyting_algebrahttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-Copi-5http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-Copi-5http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-Copi-5http://en.wikipedia.org/wiki/Supersethttp://en.wikipedia.org/wiki/Supersethttp://en.wikipedia.org/wiki/Supersethttp://en.wikipedia.org/wiki/Supersethttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-Copi-5http://en.wikipedia.org/wiki/Function_(mathematics)http://en.wikipedia.org/wiki/Heyting_algebrahttp://en.wikipedia.org/wiki/Heyting_algebrahttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Material_implicationhttp://en.wikipedia.org/wiki/Material_implicationhttp://en.wikipedia.org/wiki/Laplace_operatorhttp://en.wikipedia.org/wiki/Laplace_operatorhttp://en.wikipedia.org/wiki/Vector_calculushttp://en.wikipedia.org/wiki/D%27Alembertianhttp://en.wikipedia.org/wiki/Tombstone_(typography)http://en.wikipedia.org/wiki/Quod_erat_demonstrandumhttp://en.wikipedia.org/wiki/End_of_proofhttp://en.wikipedia.org/wiki/Tombstone_(typography) -
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material
equivalence
if and only if;
iff
propositionallogic
BmeansAis true ifBis true andAis
false ifBis false.
x+ 5 =y+ 2x+ 3 =y
logical negation
not
propositionallogic
The statement Ais true if and only ifAis
false.
A slash placed through another operator is
the same as "" placed in front.
(The symbol~ has many other uses, so orthe slash notation is preferred. Computerscientists will often use! but this is avoided
in mathematical texts.)
(A)Axy(x=y)
logicalconjunctionor
meetin alattice
and;min;
meet
propositional
logic,lattice
theory
The statementABis true ifAandBareboth true; else it is false.
For functionsA(x) andB(x),A(x) B(x) isused to mean min(A(x), B(x)).
n< 4 n>2n= 3 when nis anatural number.
wedge product
wedge product;
uvmeans the wedge product of anymultivectorsuand v. In three dimensionalEuclidean spacethe wedge product and the
http://en.wikipedia.org/wiki/Material_equivalencehttp://en.wikipedia.org/wiki/Material_equivalencehttp://en.wikipedia.org/wiki/Material_equivalencehttp://en.wikipedia.org/wiki/Iffhttp://en.wikipedia.org/wiki/Iffhttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Not_signhttp://en.wikipedia.org/wiki/Not_signhttp://en.wikipedia.org/wiki/Logical_negationhttp://en.wikipedia.org/wiki/Logical_negationhttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Logical_conjunctionhttp://en.wikipedia.org/wiki/Logical_conjunctionhttp://en.wikipedia.org/wiki/Logical_conjunctionhttp://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Maxima_and_minimahttp://en.wikipedia.org/wiki/Maxima_and_minimahttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Natural_numberhttp://en.wikipedia.org/wiki/Natural_numberhttp://en.wikipedia.org/wiki/Natural_numberhttp://en.wikipedia.org/wiki/Wedge_producthttp://en.wikipedia.org/wiki/Wedge_producthttp://en.wikipedia.org/wiki/Multivectorhttp://en.wikipedia.org/wiki/Multivectorhttp://en.wikipedia.org/wiki/Euclidean_spacehttp://en.wikipedia.org/wiki/Euclidean_spacehttp://en.wikipedia.org/wiki/Euclidean_spacehttp://en.wikipedia.org/wiki/Multivectorhttp://en.wikipedia.org/wiki/Wedge_producthttp://en.wikipedia.org/wiki/Natural_numberhttp://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Maxima_and_minimahttp://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Logical_conjunctionhttp://en.wikipedia.org/wiki/Logical_conjunctionhttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Logical_negationhttp://en.wikipedia.org/wiki/Not_signhttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Iffhttp://en.wikipedia.org/wiki/Material_equivalencehttp://en.wikipedia.org/wiki/Material_equivalence -
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exterior product
exterior algebra
cross product of twovectorsare each other's
Hodge dual.
exponentiation
(raised) to thepower of
everywhere
a^ bmeans araised to the power of b
(a^ bis more commonly writtenab. The
symbol^ is generally used in programming
languages where ease of typing and use oflain ASCII text is preferred.)
2^3 = 23= 8
logical
disjunctionoroinin alattice
or;
max;join
propositional
logic,lattice
theory
The statementABis true ifAorB(orboth) are true; if both are false, the
statement is false.
For functionsA(x) andB(x),A(x) B(x) isused to mean max(A(x), B(x)).
n 4 n 2n 3 when nis anatural number.
exclusive or
xor
propositional
logic,Booleanalgebra
The statementABis true when either Aor B, but not both, are true.ABmeans thesame.
(A)Ais always true,AAis always false.
direct sum
direct sum of
abstract algebra
The direct sum is a special way of
combining several objects into one generalobject.
(The bun symbol, or thecoproduct
Most commonly, for vector spaces U, V, and W, thefollowing consequence is used:
U= VW(U= V+ W) (V W= {0})
http://en.wikipedia.org/wiki/Exterior_algebrahttp://en.wikipedia.org/wiki/Exterior_algebrahttp://en.wikipedia.org/wiki/Vector_(geometry)http://en.wikipedia.org/wiki/Vector_(geometry)http://en.wikipedia.org/wiki/Vector_(geometry)http://en.wikipedia.org/wiki/Hodge_dualhttp://en.wikipedia.org/wiki/Hodge_dualhttp://en.wikipedia.org/wiki/Exponentiationhttp://en.wikipedia.org/wiki/Exponentiationhttp://en.wikipedia.org/wiki/Logical_disjunctionhttp://en.wikipedia.org/wiki/Logical_disjunctionhttp://en.wikipedia.org/wiki/Logical_disjunctionhttp://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Natural_numberhttp://en.wikipedia.org/wiki/Natural_numberhttp://en.wikipedia.org/wiki/Natural_numberhttp://en.wikipedia.org/wiki/Exclusive_orhttp://en.wikipedia.org/wiki/Exclusive_orhttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Boolean_algebra_(logic)http://en.wikipedia.org/wiki/Boolean_algebra_(logic)http://en.wikipedia.org/wiki/Boolean_algebra_(logic)http://en.wikipedia.org/wiki/Boolean_algebra_(logic)http://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Direct_sumhttp://en.wikipedia.org/wiki/Direct_sumhttp://en.wikipedia.org/wiki/Abstract_algebrahttp://en.wikipedia.org/wiki/Abstract_algebrahttp://en.wikipedia.org/wiki/Coproducthttp://en.wikipedia.org/wiki/Coproducthttp://en.wikipedia.org/wiki/Coproducthttp://en.wikipedia.org/wiki/Coproducthttp://en.wikipedia.org/wiki/Abstract_algebrahttp://en.wikipedia.org/wiki/Direct_sumhttp://en.wikipedia.org/wiki/Boolean_algebra_(logic)http://en.wikipedia.org/wiki/Boolean_algebra_(logic)http://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Exclusive_orhttp://en.wikipedia.org/wiki/Natural_numberhttp://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Propositional_logichttp://en.wikipedia.org/wiki/Lattice_(order)http://en.wikipedia.org/wiki/Logical_disjunctionhttp://en.wikipedia.org/wiki/Logical_disjunctionhttp://en.wikipedia.org/wiki/Exponentiationhttp://en.wikipedia.org/wiki/Hodge_dualhttp://en.wikipedia.org/wiki/Vector_(geometry)http://en.wikipedia.org/wiki/Exterior_algebra -
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symbol,is used; is only for logic.)
universal
quantification
for all;for any;
for each
predicate logic
x:P(x) meansP(x) is true for allx. n: n2 n.
existentialquantification
there exists;there is;
there are
predicate logic
x:P(x) means there is at least onexsuchthatP(x) is true.
n: nis even.
!
uniquenessquantification
there exists
exactly one
predicate logic
!x:P(x) means there is exactly onexsuchthatP(x) is true.
! n: n+ 5 = 2n.
=:
:=
definition
is defined as;
is equal bydefinition to
everywhere
x:=y,y=:xorxymeansxis defined tobe another name fory, under certain
assumptions taken in context.
(Some writers use to meancongruence).
P:QmeansPis defined to belogicallyequivalentto Q.
http://en.wikipedia.org/wiki/Turned_ahttp://en.wikipedia.org/wiki/Turned_ahttp://en.wikipedia.org/wiki/Universal_quantificationhttp://en.wikipedia.org/wiki/Universal_quantificationhttp://en.wikipedia.org/wiki/Universal_quantificationhttp://en.wikipedia.org/wiki/Predicate_logichttp://en.wikipedia.org/wiki/Predicate_logichttp://en.wikipedia.org/wiki/Existential_quantificationhttp://en.wikipedia.org/wiki/Existential_quantificationhttp://en.wikipedia.org/wiki/Existential_quantificationhttp://en.wikipedia.org/wiki/Predicate_logichttp://en.wikipedia.org/wiki/Predicate_logichttp://en.wikipedia.org/wiki/Uniqueness_quantificationhttp://en.wikipedia.org/wiki/Uniqueness_quantificationhttp://en.wikipedia.org/wiki/Uniqueness_quantificationhttp://en.wikipedia.org/wiki/Predicate_logichttp://en.wikipedia.org/wiki/Predicate_logichttp://en.wikipedia.org/wiki/Definitionhttp://en.wikipedia.org/wiki/Definitionhttp://en.wikipedia.org/wiki/Logical_equivalencehttp://en.wikipedia.org/wiki/Congruence_(geometry)http://en.wikipedia.org/wiki/Congruence_(geometry)http://en.wikipedia.org/wiki/Congruence_(geometry)http://en.wikipedia.org/wiki/Logical_equivalencehttp://en.wikipedia.org/wiki/Logical_equivalencehttp://en.wikipedia.org/wiki/Logical_equivalencehttp://en.wikipedia.org/wiki/Logical_equivalencehttp://en.wikipedia.org/wiki/Logical_equivalencehttp://en.wikipedia.org/wiki/Logical_equivalencehttp://en.wikipedia.org/wiki/Congruence_(geometry)http://en.wikipedia.org/wiki/Definitionhttp://en.wikipedia.org/wiki/Predicate_logichttp://en.wikipedia.org/wiki/Uniqueness_quantificationhttp://en.wikipedia.org/wiki/Uniqueness_quantificationhttp://en.wikipedia.org/wiki/Predicate_logichttp://en.wikipedia.org/wiki/Existential_quantificationhttp://en.wikipedia.org/wiki/Existential_quantificationhttp://en.wikipedia.org/wiki/Predicate_logichttp://en.wikipedia.org/wiki/Universal_quantificationhttp://en.wikipedia.org/wiki/Universal_quantificationhttp://en.wikipedia.org/wiki/Turned_a -
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:
congruence
is congruent to
geometry
ABC DEF means triangle ABC iscongruent to (has the same measurementsas) triangle DEF.
isomorphic
is isomorphic to
abstract algebra
GHmeans that group Gis isomorphic(structurally identical) to groupH.
( can also be used for isomorphic, asdescribed above.)
.
congruencerelation
... is congruent to
a b(mod n) means a bis divisible by n 5 2 (mod 3)
http://en.wikipedia.org/wiki/Triple_barhttp://en.wikipedia.org/wiki/Triple_barhttp://en.wikipedia.org/wiki/Congruence_(geometry)http://en.wikipedia.org/wiki/Congruence_(geometry)http://en.wikipedia.org/wiki/Geometryhttp://en.wikipedia.org/wiki/Geometryhttp://en.wikipedia.org/wiki/Isomorphichttp://en.wikipedia.org/wiki/Isomorphichttp://en.wikipedia.org/wiki/Abstract_algebrahttp://en.wikipedia.org/wiki/Abstract_algebrahttp://en.wikipedia.org/wiki/Triple_barhttp://en.wikipedia.org/wiki/Triple_barhttp://en.wikipedia.org/wiki/Congruence_relationhttp://en.wikipedia.org/wiki/Congruence_relationhttp://en.wikipedia.org/wiki/Congruence_relationhttp://en.wikipedia.org/wiki/Congruence_relationhttp://en.wikipedia.org/wiki/Congruence_relationhttp://en.wikipedia.org/wiki/Triple_barhttp://en.wikipedia.org/wiki/Abstract_algebrahttp://en.wikipedia.org/wiki/Isomorphichttp://en.wikipedia.org/wiki/Geometryhttp://en.wikipedia.org/wiki/Congruence_(geometry)http://en.wikipedia.org/wiki/Triple_bar -
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... modulo ...
modulararithmetic
{,
}
setbrackets
the set of
set theory
{a,b,c} means the set consisting of a, b, and
c.[6]
= { 1, 2, 3, }
{ :
}
{ |
}
{ ;
}
set buildernotation
the set of suchthat
set theory
{x:P(x)} means the set of allxfor which
P(x) is true.[6]
{x|P(x)} is the same as {x:P(x)}.
{n: n2< 20} = { 1, 2, 3, 4}
{ }
empty set
the empty set
set theory
means the set with no elements.[6]{ }means the same.
{n: 1 < n2< 4} =
http://en.wikipedia.org/wiki/Modular_arithmetichttp://en.wikipedia.org/wiki/Modular_arithmetichttp://en.wikipedia.org/wiki/Modular_arithmetichttp://en.wikipedia.org/wiki/Curly_bracketshttp://en.wikipedia.org/wiki/Curly_bracketshttp://en.wikipedia.org/wiki/Curly_bracketshttp://en.wikipedia.org/wiki/Curly_bracketshttp://en.wikipedia.org/wiki/Set_(mathematics)http://en.wikipedia.org/wiki/Set_(mathematics)http://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-d-goldrei-set-3-6http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-d-goldrei-set-3-6http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-d-goldrei-set-3-6http://en.wikipedia.org/wiki/Set_builder_notationhttp://en.wikipedia.org/wiki/Set_builder_notationhttp://en.wikipedia.org/wiki/Set_builder_notationhttp://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-d-goldrei-set-3-6http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-d-goldrei-set-3-6http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-d-goldrei-set-3-6http://en.wikipedia.org/wiki/%C3%98_(disambiguation)http://en.wikipedia.org/wiki/%C3%98_(disambiguation)http://en.wikipedia.org/wiki/Empty_sethttp://en.wikipedia.org/wiki/Empty_sethttp://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-d-goldrei-set-3-6http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-d-goldrei-set-3-6http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-d-goldrei-set-3-6http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-d-goldrei-set-3-6http://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Empty_sethttp://en.wikipedia.org/wiki/%C3%98_(disambiguation)http://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-d-goldrei-set-3-6http://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Set_builder_notationhttp://en.wikipedia.org/wiki/Set_builder_notationhttp://en.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&printable=yes#cite_note-d-goldrei-set-3-6http://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Set_(mathematics)http://en.wikipedia.org/wiki/Curly_bracketshttp://en.wikipedia.org/wiki/Curly_bracketshttp://en.wikipedia.org/wiki/Modular_arithmetichttp://en.wikipedia.org/wiki/Modular_arithmetic -
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set membership
is an element of;is not an element
of
everywhere,settheory
aSmeans ais an element of the set S;[6]a
Smeans ais not an element of S.[6]
(1/2)1
21
subset
is a subset of
set theory
(subset)ABmeans every element ofAisalso an element ofB.
[7]
(proper subset)ABmeansABbutAB.
(Some writers use the symbolas if it werethe same as.)
(AB) A
superset
is a superset of
set theory
Bmeans every element ofBis also anelement ofA.
BmeansABbutAB.
(Some writers use the symbolas if it werethe same as.)
(AB) B
set-theoretic
union
the union of or;
union
set theory
Bmeans the set of those elementswhich are either inA, or inB, or in both.
[7]
AB(AB) =B
http://en.wikipedia.org/wiki/Element_(mathematics)http://en.wikipedia.org/wiki/Element_(mathematics)http://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/wiki/Naive_set_theoryhttp://en.wikipedia.org/w/index.php?title=List_of_ma