● Arguments: What They Are and How to Recognize Them

● Interpretation: Saying What the Argument Is

● Evaluation: Arguments Good and Bad

● The Logic of Sets

● Conditional and Disjunctive Arguments

● Truth Trees and Relations

● Generalization and Causation

● Analogy and Explanation

● Constructing Arguments

Lesson 1. What’s “Critical Thinking?”
Lesson 2. What are Arguments Made Of?
Lesson 3. From Premises to Conclusions
Lesson 4. Recognizing Arguments: Introduction
Lesson 5. Argument vs. The Text Containing It
Lesson 6. Recognizing Conclusions
Lesson 7. Arguments vs. Explanations
Lesson 8. Argument Diagrams: Introduction
Lesson 9. More about Argument Diagrams
Lesson 10. Argument Diagrams: Examples
Lesson 11. Hedges
Lesson 12. Disclaimers
Lesson 13. Examples
Lesson 14. Rhetorical Language
Lesson 15. Referential Attribution
Lesson 16. Principles of Interpretation
Lesson 17. Implicit Premises
Lesson 18. What’s a Good Argument?
Lesson 19. More Virtues of Arguments
Lesson 20. Argument Ad Hominem
Lesson 21. Argument Ad Verecundiam
Lesson 22. Argument Ad Populum
Lesson 23. Argument Ad Ignorantiam
Lesson 24. Argument Ad Baculum and Ad Misericordiam
Lesson 25. Venn Diagrams
Lesson 26. Beyond Venn
Lesson 27. Modus Ponens
Lesson 28. Modus Tollens
Lesson 29. Conditionals
Lesson 30. Reductio Ad Absurdum
Lesson 31. Process of Elimination
Lesson 32. Separation of Cases
Lesson 33. Truth Trees: An Example
Lesson 34. How to Grow Truth Trees
Lesson 35. Truth Trees: Another Example
Lesson 36. Reflexive Relations
Lesson 37. Symmetric Relations
Lesson 38. Transitive Relations
Lesson 39. Inductive Generalization
Lesson 40. What's a Good Sample?
Lesson 41. The New Riddle of Induction
Lesson 42. From Induction to Causation
Lesson 43. Evaluating Causal Generalizations
Lesson 44. Argument from Analogy: Basics
Lesson 45. Argument from Analogy: Examples
Lesson 46. Who Needs Analogues?
Lesson 47. Inference to the Best Explanation
Lesson 48. Experimentation
Lesson 49. Building an Argument
Lesson 50. Writing Up an Argument