Maths 1 Proof — Revision Notes

Clear revision notes for all 4 lessons: the core notes with every diagram, and a “How confident am I?” self-check against the specification. Want practice questions with answers? See Revision Notes + Practice.

Edexcel A-Level Maths · Revision notes · Free · PDF

1. 1.1a Proof by Deduction
2. 1.1b Proof by Exhaustion
3. 1.1c Disproof by Counter Example
4. 1.1d Proof by Contradiction