01 a. Relating to, dependent on, or denoting, illation; inferential; conclusive; as, an illative consequence or proposition; an illative word, as…
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1.
Relating to, dependent on, or denoting, illation; inferential; conclusive; as, an illative consequence or proposition; an illative word, as then, therefore, etc.
Phrases & compounds
Illative conversion —
a converse or reverse statement of a proposition which in that form must be true because the original proposition is true.
Illative sense —
the faculty of the mind by which it apprehends the conditions and determines upon the correctness of inferences.