Table of Contents

• 1. Introduction
• 2. Aristotle's Logical Works: The Organon
• 3. The Subject of Logic: "Syllogisms"
  • 3.1 Induction and Deduction
  • 3.2 Aristotelian Deductions and Modern Valid Arguments
• 4. Premises: The Structures of Assertions
  • 4.1 Terms
  • 4.2 Affirmations, Denials, and Contradictions
  • 4.3 All, Some, and None
• 5. The Syllogistic
  • 5.1 The Figures
  • 5.2 Methods of Proof: Conversion and Reduction
  • 5.3 Methods of Disproof: Counterexamples and Terms
  • 5.4 The Deductions in the Figures ("Moods")
  • 5.5 Metatheoretical Results
  • 5.6 Syllogisms with Modalities
• 6. Demonstrations and Demonstrative Sciences
  • 6.1 Aristotelian Sciences
  • 6.2 The Regress Problem
  • 6.3 Aristotle's Solution: "It Eventually Comes to a Stop"
  • 6.4 Knowledge of First Principles: Nous
• 7. Definitions
  • 7.1 Definitions and Essences
  • 7.2 Species, Genus, and Differentia
  • 7.3 The Categories
  • 7.4 The Method of Division
  • 7.5 Definition and Demonstration
• 8. Dialectical Argument and the Art of Dialectic
  • 8.1 Dialectical Premises: The Meaning of Endoxos
  • 8.2 The Two Elements of the Art of Dialectic
  • 8.3 The Uses of Dialectic and Dialectical Argument
• 9. Dialectic and Rhetoric
• 10. Sophistical Arguments
• 11. Non-Contradiction and Metaphysics
• 12. Time and Necessity: The Sea-Battle
• 13. Glossary of Aristotelian Terminology
• Bibliography
• Other Internet Resources
• Related Entries

Return to Section 1: Introduction