MIT 18.404J Theory of Computation, Fall 2020
Instructor: Michael Sipser
View the complete course: https://ocw.mit.edu/18404JF20'>https://ocw.mit.edu/18404JF20
YouTube Playlist:    • MIT 18.404J Theory of Computation, Fa...  

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).

License: Creative Commons BYNCSA
More information at https://ocw.mit.edu/terms'>https://ocw.mit.edu/terms
More courses at https://ocw.mit.edu
Support OCW at http://ow.ly/a1If50zVRlQ

We encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments.