This document provides an overview of common types of fallacies, which are misleading or deceptive arguments. It discusses four major categories of fallacies: fallacies of relevance, fallacies of presumption, fallacies of ambiguity, and formal fallacies. For each category, it provides examples and explanations of specific fallacies such as ad hominem attacks, slippery slope arguments, equivocation, affirming the consequent, and more.