Socrates (469?-399 B.C.), Athenian philosopher.
Fr.: ironie socratique
A means by which the pretended ignorance of a skillful questioner leads the person answering to expose his own ignorance (Collins).
Fr.: méthode socratique
The use of questions, as employed by Socrates, to develop a latent idea, as in the mind of a pupil, or to elicit admissions, as from an opponent, tending to establish a proposition (Dictionary.com).