Introduction
Why logic and rhetoric matter; how weak reasoning costs relationships, work, and civic life.
Adults & teens
Chapter guide · Think Straight, Argue Better
Chapter map for adults and teens. Pair each part with a free drill so reading turns into habit.
Chapter 1 · Understanding an Argument
Premises, conclusions, enthymemes, steel-manning.
Chapter 2 · History of Logic and Rhetoric
Trivium roots and what schools stopped teaching.
Chapter 3 · Deductive Reasoning
Validity, soundness, syllogisms, common forms.
Chapter 4 · Inductive Reasoning
Strength, analogy, causal inference, scientific method.
Chapter 5 · Soundness, Strength, Burden of Proof
When arguments earn trust; intellectual humility.
Chapters 6–8 · Fallacies
Straw man, ad hominem, false dilemma, slippery slope, and more.
Chapters 9–11 · Rhetoric and Bias
Ethos, pathos, logos; cognitive biases that warp judgment.
Chapters 12–14 · Debate and Questioning
Fair debate structure, Socratic questioning, speaking clearly.
Chapters 17–18 · Daily Practice
Habits and intellectual character.