Single Idea 22154

[catalogued under 5. Theory of Logic / D. Assumptions for Logic / 1. Bivalence]

Full Idea

For Aristotle the principle of bivalence is primarily a principle of metaphysics, not logic. It applies to entities in the real order first, and to propositions in the rational order second.

Gist of Idea

For Aristotle bivalence is a feature of reality

Source

report of Aristotle (Metaphysics [c.324 BCE]) by Stephen Boulter - Why Medieval Philosophy Matters 5

Book Reference

Boulter,Stephen: 'Why Medieval Philosophy Matters' [Bloomsbury 2019], p.128


A Reaction

This is because nothing is vague. Boulter says this is also the case with non-contradiction. I like this idea very much. I reject the Fregean picture of the autonomy of the rational order. Logic is powerful because it reflects reality.