Proof
x

What proof means

What proof means

Flowchart of algebraic proof with boxes labelled define n, write even odd and consecutive forms, substitute and simplify, factorise into target forms, and conclude

In proof, checking a few examples is not enough. We use a letter such as nnn to stand for any allowed integer, so the argument works for every case.

Proof Lesson

  1. GCSE
  2. /Maths
  3. /Proof