18.404J | Fall 2020 | Undergraduate, Graduate

Theory of Computation

Video Lectures

Lecture 3: Regular Pumping Lemma, Finite Automata → Regular Expressions, CFGs

Description: Quickly reviewed last lecture. Showed conversion of DFAs to regular expressions. Gave a method for proving languages not regular by using the pumping lemma and closure properties. Introduced context free grammars (CFGs).

Instructor: Prof. Michael Sipser

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