An '''elementary proof''' or '''elementary technique''' in mathematics is a [[proof]] that uses only [[real numbers]] or [[real analysis]] rather than the use of [[complex analysis]]<ref>http://mathworld.wolfram.com/ElementaryProof.html</ref> or reliance on less rigorous axioms, such as the [[Axiom of Choice]]. | An '''elementary proof''' or '''elementary technique''' in mathematics is a [[proof]] that uses only [[real numbers]] or [[real analysis]] rather than the use of [[complex analysis]]<ref>http://mathworld.wolfram.com/ElementaryProof.html</ref> or reliance on less rigorous axioms, such as the [[Axiom of Choice]]. |