• Webster's Revised Unabridged Dictionary
    • a Apagogic Proving indirectly, by showing the absurdity, or impossibility of the contrary.
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Century Dictionary and Cyclopedia
    • apagogic Of the nature of or pertaining to apagoge. Proving indirectly, by showing the absurdity or impossibility of the contrary: as, an apagogic demonstration. Using mathematical apagoge.
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Chambers's Twentieth Century Dictionary
    • adj Apagogic ap-a-goj′ik proving indirectly by an apagoge or reduction to an absurdity, the truth of the thesis being evinced through the falsehood of its opposite—opposed to direct or ostensive proof.
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Chambers's Twentieth Century Dictionary
Gr. apagōgē, leading away, abduction, apagein, to lead off.


In literature:

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