Mathematical Structuralism

Being Logical: A Guide to Good Thinking

A Rulebook for Arguments: Edition 5

Philosophy of Mathematics: Structure and Ontology

Logically Fallacious: The Ultimate Collection of Over 300 Logical Fallacies (Academic Edition)

Varieties of Logic

The Philosopher's Book of Questions & Answers: Questions to Open Your Mind

The Oxford Handbook of Philosophy of Mathematics and Logic

How to Win Every Argument: The Use and Abuse of Logic, Edition 2

Vagueness in Context

An Illustrated Book of Bad Arguments: Learn the Lost Art of Making Sense

Mathematics and Its Logics: Philosophical Essays

A Course in Miracles - Explanations of Major Themes

Mathematics without Numbers: Towards a Modal-Structural Interpretation

A Reasonable Response: Answers to Tough Questions on God, Christianity, and the Bible

Classical First-Order Logic

There Are Two Errors in the the Title of This Book, Revised and Expanded (Again): A Sourcebook of Philosophical Puzzles, Problems, and Paradoxes, Edition 3

The Critical Thinking Toolkit