Language, Truth and Logic

Language, Truth and Logic, a work of philosophy by Alfred Jules Ayer, published in 1936) defines, explains and argues for the verification principle of logical positivism, sometimes referred to as the "criterion of significance" or "criterion of meaning". The treatise explains how the principle of verifiability may be applied to the problems and aims of philosophy.

The text has eight chapters, entitled: “Ch. I. The Elimination of Metaphysics,” “Ch. II. The Function of Philosophy,” “Ch. III. The Nature of Philosophical Analysis,” “Ch. IV. The A Priori,” “Ch. V. Truth and Probability,” “Ch. VI. Critique of Ethics and Theology,” “Ch. VII. The Self and the Common World,” “Ch. VIII. Solutions of Outstanding Philosophical Disputes.”