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Logic Lectures
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Lectures by Chapter
Chapter 1: The Art and Science of Sound Reasoning
Chapter 2: Concepts and Terms
Chapter 3: Knowing What We’re Talking About
Chapter 4: The Arts of Division and Definition
Chapter 5: Judgments and Propositions
Chapter 6: Opposition and Equivalence
Chapter 7: The Categorical Syllogism
Chapter 8: Compound Syllogisms
Chapter 9: Advanced Deductive Arguments
Chapter 10: Inductive Reasoning
Chapter 11: Informal Fallacies
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About Mark Grannis
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Square of Opposition
Lecture 6.3: Equivalent Propositions
Lecture 6.2: Subalternates and the Square of Opposition
Lecture 6.1: Three Kinds of Opposition
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