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Page 1: 3K; - Computer Science at UBC · Â>¾ á â ã:ä ãbå~À7â9åbÀ7¿ ')¾ ¿ À7Á7ÂlÃeÀ æ æ æ ¿ À&ã:ä° Âl¾ áÖâ9¿ ç æ æ ¿ À&ã:ä° _æéè|ê Ácâ9¿

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Scomparable? join

forced join

minimal minimal

M(S) (FJ)

(C)C(S)

=M(C(S))

FJ(M(S))

(M) (M)

g�3<=E�>NJG�¼L@Ù¹:½¥[�3<;>3<P�47Q�AÛG7�D�>G�;~C�G7V,4c;~8�gL6ENhC�G78('E6E3<;

level

C[1,1]

S[1,1] S’[1,2]

C[2,1]

S[2,1]

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C’[2,2] = FJ(M(S[2,1]))

S’[2,2]

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