Question

Difference between theorem lemma and corollary

Answer 1

emmato mean "small theorem." Often a group of lemmas are used to prove a larger result, a "theorem." A corollary is something that follows trivially from any one of a theorem, lemma, or othercorollary.

Answer 2

Often a group of lemmas are used to prove a larger result, a "theorem." Acorollary is something that follows trivially from any one of a theorem,lemma, or other corollary. ... Theorem— a mathematical statement that is proved using rigorous mathematical reasoning