53:51

L17: Using Reductions to Prove Language Undecidable

1:21:10

L19: Uncomputable Functions, and Introduction to Complexity

7:43

Singapore Primary Math

1:25:25

16. Complexity: P, NP, NP-completeness, Reductions

1:13:16

L13: Diagonalization, Countability and Uncountability

2:02:22

Mozart - Música Clásica para Estimular el Cerebro

40:08

L16: Unrecognizable Languages and Reductions

1:18:38

L7: Contex-Free Grammars and Push-Down Automata