Single Idea 11281

[catalogued under 2. Reason / B. Laws of Thought / 3. Non-Contradiction]

Full Idea

It is not possible to say truly at the same time that the same thing both is and is not a man.

Gist of Idea

We cannot say that one thing both is and is not a man

Source

Aristotle (Metaphysics [c.324 BCE], 1006b33)

Book Reference

Aristotle: 'Metaphysics', ed/tr. Lawson-Tancred,Hugh [Penguin 1998], p.92