1. Core Theme: Knowledge and the Knower
2. Optional Themes
3. Areas of Knowledge
3.1 History
3.2 The Human Sciences
3.3 The Natural Sciences
3.4 The Arts
3.5 Mathematics
4. TOK Assessments
5. May 2026 TOK Titles
3.5.1 How We Prove Things in Maths
3.5.2 How Maths Powers Other Knowledge