Full Idea
An 'antinomy' produces a self-contradiction by accepted ways of reasoning. It establishes that some tacit and trusted pattern of reasoning must be made explicit and henceforward be avoided or revised.
Gist of Idea
Antinomies contradict accepted ways of reasoning, and demand revisions
Source
Willard Quine (The Ways of Paradox [1961], p.05)
Book Reference
Quine,Willard: 'Ways of Paradox and other essays' [Harvard 1976], p.5
A Reaction
Quine treats antinomies as of much greater importance than mere paradoxes. It is often possible to give simple explanations of paradoxes, but antinomies go to the root of our belief system. This was presumably Kant's intended meaning.