n. esp. Math.
1. a general proposition not self-evident but proved by a chain of reasoning; a truth established by means of accepted truths (cf. PROBLEM).
2 a rule in algebra etc., esp. one expressed by symbols or formulae (binomial theorem).
Derivatives:
theorematic adj.
Etymology: F th{eacute}or{egrave}me or LL theorema f. Gk theorema speculation, proposition f. theoreo look at