Proof (English)
Search for " Proof " in NRICH | PLUS | maths.org | Google
Definition (keystage 2)
A proof is a careful, logical argument showing that something is true.
Definition (keystage 3)
A proof is an argument with a careful logical justification for each step. It is well-constructed enough that it must always be correct; there are no exceptions. When something has been proved we know that it is as true as it possibly can be.
Relations
- broader:
- (en) Argument
- (en) Mathematical reasoning
- narrower:
- (en) Geometric proof
- (en) Proof by contradiction
- (en) Proof by induction
- (en) Proof of correctness
- references:
- (en) Axiom
- referenced:
- (en) Conjecture
- (en) Corollary
- (en) Postulate
- (en) QED
- (en) Statement
Funded by: EU Socrates Minerva, HeyMath!, Cambridge University Press