sb. Obs. [a. L. fallax, neut. of fallax deceptive, f. fallĕre to deceive.] = FALLACY.

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1530.  Palsgr., 218/2. Fallaxe or desceyt, falace.

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1563.  Foxe, A. & M., 750. I answer to thargument, whych I do deny as a fallax.

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a. 1628.  F. Greville, Sidney, viii. (1652), 104. To ground our assailing of him there upon any other argument, than that ever-betraying Fallax of undervaluing our enemies.

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1669.  Sturmy, Mariner’s Mag., C ij b.

        Who to such Sophistry their Reason bow,
Lift Fallax up, and set the Truth below.

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