Logic & Reasoning

Tools for thinking clearly in a world of noise.

Logic

Confirmation Bias: Why You Only See What You Already Believe

The most dangerous cognitive bias is the one you don't notice. A guide to catching yourself filtering reality.

Logical Fallacies You Commit Every Day

Ad hominem, straw man, false dichotomy, appeal to authority — a field guide to errors in everyday arguments.

Bayesian Thinking for Everyday Decisions

Update your beliefs with new evidence — proportionally, not all at once. The mathematics of rational minds.

The Dunning-Kruger Effect: Confidence ≠ Competence

Why beginners overestimate their skill and experts underestimate theirs. And what to do about it.

Correlation vs. Causation: A Practical Guide

Ice cream sales and drowning deaths both rise in summer. Does ice cream kill? How to spot spurious connections.

Steel-Manning: The Opposite of a Straw Man

Argue against the strongest version of your opponent's position. The practice that makes you actually right, not just "winning."