A: Proof(AQA A-Level)

Mastery Mind: Mathematics Revision · Oct 20, 2026 · 5m

Proof is the part of A-level Mathematics where a correct answer must be made unavoidable. For AQA 7357 section 3.2 A1, candidates need to choose and execute deduction, exhaustion, counter-example and contradiction with precise mathematical language. This guide turns each method into a mark-winning structure, including the two signature contradictions: √2 is irrational and there are infinitely many primes. Listen to this audio revision guide for A: Proof. Test your knowledge with interactive exam questions and flashcards at https://masterymind.co.uk/study-guides/mathematics-aqa-a-level-a-proof.