Logic

Introducing Bertrand Russell

Tractatus Logico-Philosophicus

Aristotle: Complete Works (Golden Deer Classics)

Think Like A Greek Philosopher

Critical Thinking & Stoicism

The Art of Thinking

Stoicism

Hegel: The Science of Logic

The Yin Yang Complex: How to Harmonize Your Yin and Yang

The Science of Right

Critical Thinking

Self-awareness

Forallx - An Introduction to Formal Logic

Wittgenstein's Lectures on the Foundations of Mathematics, Cambridge, 1939

Introducing Logic

Studies and Exercises in Formal Logic

Rhetoric

Idea of Hegel's &quote;Science of Logic&quote;

How Do We Reason

Introducing Philosophy