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Chapter 1: (Part 2): The Foundations: Logic and Proofs

Chapter 1: (Part 2): The Foundations: Logic and Proofs. Propositional Equivalence (Section 1.2) Predicates & Quantifiers (Section 1.3). Propositional Equivalences (1.2). A tautology is a proposition which is always true . Classic Example: P V ? P

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Lecture 3: Logic (2)

Lecture 3: Logic (2). Propositional Equivalences Predicates and Quantifiers. 3.1. Propositional Equivalences. Categories of compound propositions: A tautology is a proposition which is always true . Classic Example: P ?? P A contradiction is a proposition which is always false .

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