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Logic for Kids - Book 4

by Ryan Semerau

Ages 7-12LogicTrivium

The fourth and final book in the Logic for Kids series. Covers material logic - definition, division, the four causes, judgment, truth, knowledge, demonstration, induction, Mill's Methods, analogical reasoning, and practical reasoning. Completes the study of logic and prepares students for Rhetoric.

16 chapters · 76 lessons · first 6 free

IntroductionFree

1 · Definition, Division, and Categories

1.1 · What Is Material LogicFree
1.2 · Form vs MatterFree
1.3 · Why Form Isn't EnoughFree
1.4 · The Questions of Material LogicFree
Chapter 1 TestFree

2 · Definition as a Logical Act

2.1 · Definition RevisitedFree
2.2 · Real Definition vs Nominal Definition🔒
2.3 · Essential Definition: Genus + Differentia🔒
2.4 · Rules for Good Definitions🔒
Chapter 2 Test🔒

3 · Division as a Logical Act

3.1 · Three Kinds of Division🔒
3.2 · Logical Division in Detail🔒
3.3 · Rules for Good Division🔒
3.4 · Division and Classification🔒
Chapter 3 Test🔒

4 · The Categories Revisited

4.1 · Categories as Logical Tools🔒
4.2 · Substance: The Primary Category🔒
4.3 · The Accidental Categories🔒
4.4 · Category Mistakes🔒
Chapter 4 Test🔒

5 · The Predicables Revisited

5.1 · The Five Predicables as Evaluation Tools🔒
5.2 · Essential vs Accidental Predication in Reasoning🔒
5.3 · Necessary vs Contingent Propositions🔒
5.4 · Per Se and Per Accidens🔒
Chapter 5 Test🔒

6 · The Four Causes

6.1 · What Is a Cause?🔒
6.2 · Material Cause: What It's Made Of🔒
6.3 · Formal Cause: What Makes It What It Is🔒
6.4 · Efficient Cause: What Brought It About🔒
Chapter 6 Test🔒

7 · The Final Cause and Teleology

7.1 · Final Cause: What It's For🔒
7.2 · Teleology: Purpose in Nature🔒
7.3 · Understanding Through All Four Causes🔒
7.4 · Why Final Cause Matters for Reasoning🔒
Chapter 7 Test🔒

8 · Judgment and Truth

8.1 · What Is Truth?🔒
8.2 · Judgment: Affirming or Denying Truth🔒
8.3 · Self-Evident Propositions🔒
8.4 · Degrees of Assent🔒
Chapter 8 Test🔒

9 · Knowledge, Opinion, and Belief

9.1 · What Is Knowledge?🔒
9.2 · Opinion🔒
9.3 · Belief and Faith🔒
9.4 · The Spectrum of Intellectual States🔒
Chapter 9 Test🔒

10 · Demonstration

10.1 · What Is Demonstration?🔒
10.2 · Premises of Demonstration🔒
10.3 · Demonstration "That" vs. Demonstration "Why"🔒
10.4 · First Principles🔒
Chapter 10 Test🔒

11 · Induction

11.1 · What Is Induction🔒
11.2 · How Induction Differs from Deduction🔒
11.3 · Simple Enumeration🔒
11.4 · The Problem of Induction🔒
Chapter 11 Test🔒

12 · Mill's Methods

12.1 · The Method of Agreement🔒
12.2 · The Method of Difference🔒
12.3 · The Method of Concomitant Variation🔒
12.4 · The Method of Residues🔒
Chapter 12 Test🔒

13 · Analogical Reasoning

13.1 · What Is Analogical Reasoning🔒
13.2 · The Structure of an Analogy🔒
13.3 · Evaluating Analogies🔒
13.4 · Analogy and Discovery🔒
Chapter 13 Test🔒

14 · Practical Reasoning

14.1 · Theoretical vs Practical Reasoning🔒
14.2 · Means-End Reasoning🔒
14.3 · Deliberation🔒
14.4 · Prudential Judgment🔒
Chapter 14 Test🔒

15 · The Complete Logician

15.1 · The Complete Toolkit🔒
15.2 · The Unity of Logic🔒
15.3 · From Logic to Rhetoric🔒
15.4 · The Power of Logic🔒
Chapter 15 Test🔒

What you'll learn

✓What material logic is and why form alone is not enough
✓How to construct good definitions and divisions
✓The categories and predicables as tools for reasoning
✓Aristotle's four causes: material, formal, efficient, and final
✓What truth is and how judgment works
✓The difference between knowledge, opinion, and belief
✓What demonstration is and what first principles are
✓How induction works and how it differs from deduction
✓Mill's Methods for discovering causes
✓How to use analogical reasoning and practical reasoning

How to use this workbook

15 chapters, designed for one chapter per week (4 short lessons per week plus a chapter test). Each lesson takes about 15-20 minutes - read the lesson, talk it over with the AI tutor, then answer a few short questions in your own words.

Prerequisites

Logic for Kids Books 1-3 (required). Grammar for Kids Books 1-3 strongly recommended.