Something happens to intelligent people when they cross a boundary they cannot see. They do not become less articulate. They become more articulate — and everything they say becomes wrong.

A Marxist economist reframes 350 million women gaining bank accounts as oppression. A Hindutva scholar flattens six centuries of Mughal civilization into a single wound. A liberal commentator invites foreign journalists to humiliate an elected leader as a service to democracy. Each is intelligent. Each is sincere. Each is structurally incapable of seeing what the evidence shows.

The Antithesis Trap identifies the cause: political traditions founded on opposition to a named enemy cannot self-correct when the opposition fails to capture reality. The book proposes one diagnostic test — if the enemy vanished tomorrow, would the tradition still have a project? — and applies it honestly to every tradition it examines, including the author's own.

Drawing on Pareto, Gandhi, Ambedkar, Havel, and cases spanning twenty-four centuries from ancient Athens to contemporary India, the book demonstrates that the dumbing of intelligent people in political space is not a failure of character. It is a structural property of traditions built on antithesis rather than thesis. And the trap catches the intelligent especially, because intelligence provides more sophisticated instruments for not seeing.