noun, plural: theorems
(1) An idea that has been verified or established as a principle.
(2) A statement or a theoretical proposition that is expected to be true.
(3) A rule or formula embodying something to be proved from other propositions or from basic postulates.
A theorem is that which to be proved, to distinguish it from a problem, which is that one to be solved.
Word origin: L. Theorema, Gr. A sight, speculation, theory, theorem, fr. To look at, a spectator: cf. F. Theoreme.
Related forms: theorematic (adjective), theorematically (adverb).
Related terms: Bayes theorem.