Full Idea
Contraries are by definition as far distant as possible from one another.
Gist of Idea
Contraries are by definition as far distant as possible from one another
Source
Aristotle (Nicomachean Ethics [c.334 BCE], 1108b33)
Book Reference
Aristotle: 'Ethics (Nicomachean)', ed/tr. ThomsonJ A K/TredennickH [Penguin 1976], p.108
A Reaction
A nice concept and definition. Note that it is being used about ethics (the mean), not just about pure logic or mathematics.