Welcome to a series on the basics of Logic. The videos are sequential but may be viewed topically.

__What is Reason?__

Logic Basics 1: Introduction

Logic Basics 2: Reason the Laws of Thought

Logic Basics 3: Reason in its Use

Logic Basics 4: Constructing

Logic Basics 5: Reason in Us

__What is Public Discourse?__

Logic Basics 6: Public Discourse part 1

Logic Basics 7: Public Discourse part 2

Logic Basics 8: Public Discourse part 3

Logic Basics 9: Public Discourse part 4

**Some Things are Clear**

Logic Basics 10: Some things are Clear

**What is Skepticism? **

Logic Basics 11: Skepticism part 1 – Definitions of Skepticism

Logic Basics 12: Skepticism part 2 – Something Must be Eternal

Logic Basics 13: Skepticism part 3 – Popular Skepticism

Logic Basics 14: Skepticism part 4 – Philosophical Sources of Skepticism

Logic Basics 15: Skepticism part 5 – Informal Fallacies

**What is Knowledge? **

Logic Basics 16: What is Knowlege?

**What are Concepts?**

Logic Basics 17: Concepts part 1

Logic Basics 18: Concepts part 2

**Reason and Being**

Logic Basics 19: Reason and Being part 1 – Introduction to Reason and Being

Logic Basics 20: Reason and Being part 2 – Reason is Ontological

Logic Basics 21: Reason and Being part 3 – Basic Belief

Logic Basics 22: Reason and Being part 4 – Some is Eternal

Logic Basics 23: Reason and Being part 5 – Being and Non-being

Logic Basics 24: Reason and Being part 6 – Argument for Realism

Logic Basics 25: Reason and Being part 7 – Being and Essence

Logic Basics 26: Reason and Being part 8 – Being and Unity

Logic Basics 27: Reason and Being part 9 – Being and Eternal Existence

Logic Basics 28: Reason and Being part 10 – Argument that Matter is not Eternal

Logic Basics 29: Reason and Being part 11 – Argument that All is not Matter

Logic Basics 30: Reason and Being part 12 – Argument that the Soul Exists

Logic Basics 31: Reason and Being part 13 – Argument that the Soul is not Eternal

Logic Basics 32: Reason and Being part 14 – Argument that God Exists

**Conceptual Map**

Logic Basics 33: Conceptual Map part 1: Epistemology

Logic Basics 34: Conceptual Map part 2: Metaphysics

Logic Basics 35: Conceptual Map part 3: Ethics

**What are Judgements? **

Logic Basics 36: Judgements part 1: Categorical Propositions

Logic Basics 37: Judgements part 2: Square of Opposition

**What is an Argument? **

Logic Basics 38: What is an Argument?

**Logic Exercises for Categorical Statements**

Logic Basics 39: Judgements: Logical Form

Logic Basics 40: Judgments: Classifying Propositions

Logic Basics 41: Rules for the Square of Opposition

Logic Basics 42: Rules for Obversion and Conversion of a Statement

Logic Basics 43: Full Contrapositive Square of Opposition

Logic Basics 44: Eductions

Logic Basics 45: More Eductions and My Real Life Logic Problem

**Logic Exercises for Categorical Syllogisms**

Logic Basics 46: Categorical Syllogisms

Logic Basics 47: The Mood of a Categorical Syllogism

Logic Basics 48: The Figure of a Categorical Syllogism

Logic Basics 49: Testing Categorical Syllogisms for Validity

Logic Basics 50: Using Venn Diagrams to Test Categorical Syllogisms for Validity

**Compound Syllogisms**

Logic Basics 51: Compound Syllogisms and Rules of Inference

Logic Basics 52: Making Deductions with Compound Syllogisms