+A lemma is a minor, proven proposition that serves as a necessary step towards the [Proof](/wiki/proof) of a larger [Theorem](/wiki/theorem). It's a foundational truth, often simple, illuminating the path to a grander discovery in fields like [Math](/wiki/math).
+## See also
+- [Axiom](/wiki/axiom)
+- [Corollary](/wiki/corollary)
+- [Hypothesis](/wiki/hypothesis)