43:06

7.2 Rules of Implication II

26:44

1.5 Argument Forms: Proving Invalidity

50:50

8.2 Predicate Logic: Using the Rules of Inference

51:44

6.3 Truth Tables for Propositions

32:05

7.4 Rules of Replacement II

4:00:37

4 Horas Chopin para Estudar, Concentrarse, Relaxarse

9:23

Brooks and Capehart on the implications of Trump's altercation with Zelenskyy

11:54

Converse, Inverse, & Contrapositive - Conditional & Biconditional Statements, Logic, Geometry