A mathematical proof is a step-by-step demonstration of the truth of a mathematical theorem. Proofs build on [[axiom]]s, which are statements that are assumed to be true without proof, as well as previously-proved [[theorem]]s. | A mathematical proof is a step-by-step demonstration of the truth of a mathematical theorem. Proofs build on [[axiom]]s, which are statements that are assumed to be true without proof, as well as previously-proved [[theorem]]s. |