L12: Universal Turing Machines; The Halting Problem is Recognizable but Not Decidable
53:51
L17: Using Reductions to Prove Language Undecidable
1:22:12
The Architecture of Biological Complexity - Sydney Brenner
12:07
Acceptance for Turing Machines is Undecidable, but Recognizable
24:48
L15: Proof by Diagonalization that ATM (Halting Problem) is Not Decidable
1:07:16
The Halting Problem
5:09
A Turing Machine - Overview
1:21:10
L19: Uncomputable Functions, and Introduction to Complexity
6:14