Obs. [ad. Gr. λογισμ-ός calculation, reasoning, f. λογίζ-εσθαι to count, reckon, conclude by reasoning, f. λόγ-ος: see LOGOS.] Reasoning.
1656. Blount, Glossogr., Logism, the due and judicious understanding of a thing, formerly considered and esteemed of, according to reason. Cot[grave].
1660. Jer. Taylor, Duct. Dubit., II. iii. rule xiv. § 5. Tell me not of your logisms and syllogisms; I rely upon Scripture alone.
1662. J. Chandler, Van Helmonts Oriat., 19. Reasoning, or Logisme (from whence is a Syllogisme) is an act whereby [etc.].