D defs.my
Entry 3 senses · 2 variants Webster, 1913

Theorem

/thĭr'-əm/ · The·o·rem · IPA /ˈθiərəm/
01 n. That which is considered and established as a principle; hence, sometimes, a rule.
  1. 1.
    That which is considered and established as a principle; hence, sometimes, a rule.
    “Not theories, but theorems (�), the intelligible products of contemplation, intellectual objects in the mind, and of and for the mind exclusively.” Coleridge.
    “By the theorems, Which your polite and terser gallants practice, I re-refine the court, and civilize Their barbarous natures.” Massinger.
  2. 2.
    A statement of a principle to be demonstrated.(Math.)
Phrases & compounds
Binomial theorem — See under Binomial.
Negative theorem — a theorem which expresses the impossibility of any assertion.
Particular theorem — a theorem which extends only to a particular quantity.
Theorem of Pappus — See Centrobaric method, under Centrobaric.
Universal theorem — a theorem which extends to any quantity without restriction.
02 v. t. To formulate into a theorem.
  1. 1.
    To formulate into a theorem.