Full Idea
Take, for example, "Callias is just", "Callias is not just", and "Callias is unjust"; which of these are contraries?
Gist of Idea
In "Callias is just/not just/unjust", which of these are contraries?
Source
Aristotle (On Interpretation [c.330 BCE], 23a31)
Book Reference
Aristotle: 'Categories and De Interpretatione', ed/tr. Ackrill,J.R. [OUP 1963], p.65