52:23Intro to Logic - Lesson 10 - Indirect Proofs, Nested Subproofs, and TheoremsDr. Jared Oliphint119 viewsView & Download
2:19:29Clearest Logic Course 1 (of 10): Truth tables and SymbolizationDr. Marc Champagne, philosopher624 viewsView & Download
13:34Intermediate Logic Copy Charts | Appendix A, B and C | James B. Nance | CC Challenge BErica Lynn Homeschool Mom12.3K viewsView & Download