6.5 Indirect Truth Tables
39:25
6.4 Truth Tables for Arguments
57:49
6.2 Truth Functions
6:37
7H.I: Indirect Truth Tables to Determine Validity (1)
22:46
A Crash Course in Fomal Logic Pt 7d: Indirect Truth Tables
51:44
6.3 Truth Tables for Propositions
53:04
7.1 Rules of Implication I
34:26
1.4 Validity, Truth, Soundness, Strength, Cogency
26:44