return to list of latest ideas

Single Idea 20778

[catalogued under 4. Formal Logic / A. Syllogistic Logic / 2. Syllogistic Logic]

Full Idea

Stoics say the study of syllogisms is extremely useful; for it indicates what is demonstrative, and this makes a big contribution toward correcting one's opinions; and orderliness and good memory indicate attentive comprehension.

Gist of Idea

Stoics like syllogisms, for showing what is demonstrative, which corrects opinions

Source

report of Stoic school (fragments/reports [c.200 BCE]) by Diogenes Laertius - Lives of Eminent Philosophers 07.45

A Reaction

The stoics also developed propositional logic. The main point is that they liked formal logic, which is not true of all the ancient schools.

Book Reference

'The Stoics Reader', ed/tr. Inwood,B/Gerson,L.P. [Hackett 2008], p.11