a. Now rare. [f. as prec. + -AL: see -ICAL.] = prec. adj.
a. 1529. Skelton, Replyc., 97. In your dialecticall And principles silogisticall, If ye to remembraunce call Howe [etc.].
1563. [see DEMONSTRATION 3].
1570. Dee, Math. Pref., b iij b. Hard enough to frame to the Conclusion Syllogisticall.
1592. in J. Morris, Troubles Cath. Forefathers (1877), 22. The poor man unlearned, having by chance read Seaton’s Logic, to the interrogatories of the bishop and his chaplain made such syllogistical answers that they thought him a great clerk.
1600. W. Watson, Decacordon, Pref. (1602), A v b. Arguments sillogisticall, enthimematicall and inductiue.
1653. Gataker, Vind. Annot. Jer., 131. Let your Argument be drawn into a syllogistical form.
1674. Hickman, Quinquart. Hist., Ep. (ed. 2), a 3 b. They had strange Schools, in which a man could never hear a Syllogistical Disputation.
1697. trans. Burgersdicius’ Logic, II. ix. 41. In that [sc. the first figure] there appears the Necessity of the Syllogistical Sequel, and the Dictum of All and None.
1698. Stillingfl., Answ. Locke’s 2nd Lett., 120. Here we have no general principles; no Criterion, no Antecedents and Consequents; no Syllogistical Methods of Demonstration.
b. Addicted to reasoning by syllogisms; dealing in syllogisms.
1599. Nashe, Lenten Stuffe, Wks. 1905, III. 185. A colony of criticall Zenos, should they sinnow their sillogisticall cluster-fistes in one bundle to confute and disproue mouing.
1674. Hickman, Quinquart. Hist. (ed. 2), 16. He is no Syllogistical man, and therefore I will not tie him to the strict rules of argumentation.
1837. Fraser’s Mag., XV. 393. A peripatetic logician, as disputatious and as syllogistical a any of the Magistri nostri.
† c. Corresponding or agreeing like the propositions in a syllogism; consistent. Obs. nonce-use.
1672. Marvell, Reh. Transp. (1673), II. 68. That it should remain upon Record how Syllogistical a life his hath been to the Stile and Principles that he has manag’d and prosecuted.
