theorematic - 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).

theorematic adj. [F th÷orëme or LL theorema f. Gk theorema speculation, proposition f. theoreo look at]