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slide 1 costas busch - rpi1 context-free languages slide 2 costas busch - rpi2 regular languages slide 3 costas busch - rpi3 regular languages context-free languages slide…
slide 1fall 2006costas busch - rpi1 decidable languages slide 2 fall 2006costas busch - rpi2 recall that: a language is turing-acceptable if there is a turing machine that…
slide 1fall 2006costas busch - rpi1 context-free languages slide 2 fall 2006costas busch - rpi2 regular languages context-free languages slide 3 fall 2006costas busch - rpi3…
slide 1 fall 2005costas busch - rpi1 context-free languages slide 2 fall 2005costas busch - rpi2 regular languages slide 3 fall 2005costas busch - rpi3 regular languages…
slide 1 courtesy costas busch - rpi1 non-regular languages slide 2 courtesy costas busch - rpi2 regular languages non-regular languages slide 3 courtesy costas busch - rpi3…
slide 1 costas busch - rpi1 npdas accept context-free languages slide 2 costas busch - rpi2 context-free languages (grammars) languages accepted by npdas theorem: slide 3…
slide 1fall 2003costas busch - rpi1 properties of context-free languages slide 2 fall 2003costas busch - rpi2 context-free languages are closed under: union is context free…
slide 1 courtesy costas busch - rpi1 recursively enumerable and recursive languages slide 2 courtesy costas busch - rpi2 definition: a language is recursively enumerable…
slide 1 costas busch - rpi1 positive properties of context-free languages slide 2 costas busch - rpi2 context-free languages are closed under: union is context free is context-free…
slide 1 fall 2006costas busch - rpi1 non-regular languages (pumping lemma) slide 2 fall 2006costas busch - rpi2 regular languages non-regular languages slide 3 fall 2006costas…
slide 1 fall 2005costas busch - rpi1 recursively enumerable and recursive languages slide 2 fall 2005costas busch - rpi2 definition: a language is recursively enumerable…
slide 1 courtesy costas busch - rpi1 npdas accept context-free languages slide 2 courtesy costas busch - rpi2 instantaneous description current state remaining input current…
slide 1 costas busch - rpi1 turing machines slide 2 costas busch - rpi2 the language hierarchy regular languages context-free languages ? ? slide 3 costas busch - rpi3 regular…
slide 1 fall 2006costas busch - rpi1 deterministic finite automata and regular languages slide 2 fall 2006costas busch - rpi2 deterministic finite automaton (dfa) input tape…
slide 1 courtesy costas busch - rpi1 positive properties of context-free languages slide 2 courtesy costas busch - rpi2 context-free languages are closed under: union is…
slide 1 costas busch - rpi1 the pumping lemma for context-free languages slide 2 costas busch - rpi2 take an infinite context-free language example: generates an infinite…
slide 1 costas busch - rpi1 undecidable problems for recursively enumerable languages continued… slide 2 costas busch - rpi2 is empty? is finite? contains two different…
slide 1fall 2006costas busch - rpi1 turing machines slide 2 fall 2006costas busch - rpi2 the language hierarchy regular languages context-free languages ? ? slide 3 fall…
slide 1 courtesy costas busch - rpi1 turing machines slide 2 courtesy costas busch - rpi2 the language hierarchy regular languages context-free languages ? ? slide 3 courtesy…
slide 1 costas busch - rpi1 standard representations of regular languages regular languages dfas nfas regular expressions regular grammars slide 2 costas busch - rpi2 when…