8. Undecidability in Computation Theory 📚

MIT 18.404J Theory of Computation, Fall 2020
Instructor: Michael Sipser
View the complete course: https://ocw.mit.edu/18-404JF20
YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP60_JNv2MmK3wkOt9syvfQWY

Quickly reviewed last lecture. Showed that natural numbers and real numbers are not the same size to introduce the diagonalization method and used it to prove acceptance problem for TMs is undecidable. Introduced the reducibility method to show that HALT for TMs is undecidable.

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