Single Idea 1545

[catalogued under 13. Knowledge Criteria / D. Scepticism / 1. Scepticism]

Full Idea

Protagoras was the first to claim that there are two contradictory arguments about everything.

Gist of Idea

Protagoras was the first to claim that there are two contradictory arguments about everything

Source

report of Protagoras (fragments/reports [c.441 BCE], A01) by Diogenes Laertius - Lives of Eminent Philosophers 09.51

Book Reference

'The First Philosophers', ed/tr. Waterfield,Robin [OUP 2000], p.211