a. and sb. [ad. med.L. expōnibilis, f. expōnĕre: see EXPONE and -BLE.]

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  A.  adj. That admits of or requires explanation; spec. in Logic, of a proposition, that requires restatement in order to be employed in a syllogism.

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[a. 1276.  Petrus Hispanus vii. 6. 1 in Prantl Geschichte der Logik (1861), III. 67 n, Propositio exponibilis est propositio habens sensum obscurum expositione indigentem].

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1788.  Reid, Aristotle’s Log., iv. § 7. 101. Such propositions are by some called exponible, by others imperfectly modal.

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  B.  sb. An exponible proposition.

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1569.  J. Sanford, trans. Agrippa’s Van. Artes, 22 b. Of Consequences, of Indissolubles, of Exponibles.

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1653.  Urquhart, Rabelais, I. viii. (1887), 36. The exponibles [1664 explonibles] of Master Hautechaussade.

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1864.  Bowen, Logic, v. 145. The latter [Compound Propositions in which the plurality of Judgments is concealed] are called Exponibles, because they need to be analyzed and explained.

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