deductive

adj. relating to deduction, provable through deduction (inference, logical reasoning)

Deductive reasoning, according to many dictionaries, is the type of reasoning that proceeds from general principles or premises to derive particular information.
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Adjective
1. relating to logical deduction; "deductive reasoning"
(pertainym) deduction, deductive reasoning, synthesis
2. involving inferences from general principles
(antonym) inductive
(similar) illative
(see-also) a priori

adj. deductive

(a.)
Of or pertaining to deduction; capable of being deduced from premises; deducible.