Obs. nonce-wd. [f. SYLLOGISTICAL, after sophistry.] Sophistical syllogistic reasoning.
1592. Nashe, Strange Newes, C ij b. I would foorthwith haue writ in praise of Ropemakers, & proud it by sound sillogistry to be one of the 7 liberal sciences.
1593. G. Harvey, Pierces Super., Wks. (Grosart), II. 276. Very artificially interfuseth Finicallitie, sillogistrie, disputatiue right, [etc.].