• Webster's Revised Unabridged Dictionary
    • n Apagoge (Logic) An indirect argument which proves a thing by showing the impossibility or absurdity of the contrary.
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Century Dictionary and Cyclopedia
    • n apagoge In logic: Abduction (which see). The demonstration of a proposition by the refutation of its opposite (from Aristotle's ἡ εἰς το\ ἀδύνατον ἀπαγωγή, reduction to the impossible): commonly called indirect proof.
    • n apagoge In mathematics, a progress or passage from one proposition to another, when the first, having been demonstrated, is employed in proving the next.
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Webster's Revised Unabridged Dictionary
Gr. a leading away, fr. to lead away; from + to lead


In literature:

P. 46, APAGOGE, originally 'APAGOG'.
"The Sailor's Word-Book" by William Henry Smyth