The truth of analytic statements depends only on the meaning of their constituent elements, and it does not depend on confirmation by empirical testing.
Statements that have no literal meaning may have an emotional meaning, but they do not express propositions that can be analytically or empirically verified.Īnalytic statements are tautologies (they are true by definition, necessarily true, and true under all conditions). Statements whose truth or falsehood cannot be verified are meaningless. There are eight chapters: (1) “The Elimination of Metaphysics,” (2) “The Function of Philosophy,” (3) “The Nature of Philosophical Analysis,” (4) “The A Priori,” (5) “Truth and Probability,” (6) “Critique of Ethics and Theology,” (7) “The Self and the Common World,” and (8) “Solutions of Outstanding Philosophical Disputes.”Īccording to Ayer, the principle of verifiability is a criterion of meaning that requires every meaningful statement to be capable of being verified. It discusses the uses and applications of the verification principle as an instrument of logical analysis. Language, Truth and Logic defines the verification principle of logical positivism. His writings included Language, Truth and Logic (1936), Foundations of Empirical Knowledge (1940), Thinking and Meaning (1947), The Problem of Knowledge (1954), The Concept of a Person and other Essays (1963), Metaphysics and Common Sense (1969), Probablity and Evidence (1972), and The Central Questions of Knowledge (1972). Ayer’s Language, Truth and LogicĪlfred Jules Ayer (1910-89) was a British philosopher who taught at University College, London and at the University of Oxford.
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