Lecture 2 (Logic) Tautologies and Theory of Inference

Full Playlist: https://www.youtube.com/playlist?list=PLJWhXkxQzDF58EHPCuxHS-iaMpom9qTqg

Chapter 1: Sentential Connectives
- 1.7 Tautological Implication and Equivalence
Chapter 2: Sentential Theory of Inference
- 2.1 Two Major Criteria of Inference and Sentential Interpretation
- 2.2 The Three Sentential Rules of Derivation