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person1910-1989

A. J. Ayer

Disciplines:
ethics
epistemology
philosophy/philosophy of language

Summary

British philosopher who brought logical empiricism to English audiences in Language, Truth and Logic and developed emotivism — moral statements express emotions rather than stating facts.

Core Contribution

Verificationism in English: a statement is meaningful only if it is analytically true or empirically verifiable — all metaphysics and theology are literally meaningless. Emotivism: moral statements are not truth-apt but express and evoke emotional attitudes (boo/hurray theory).

Key Spikes & Highlights

  • Wrote Language, Truth and Logic at 24 after a visit to Vienna — the book was a sensation and made him famous before he was thirty.
  • Reported having a near-death experience while choking at age 77 — he saw a red light and encountered ministers of the universe — which generated enormous press about whether he had become a theist (he had not).
  • When asked late in life what he would change about Language, Truth and Logic: nearly everything — the central thesis of verificationism is too strong.

Notable Works & Achievements

Language, Truth and Logic

The Problem of Knowledge

The Central Questions of Philosophy

Historical Influences

Rudolf Carnap Bertrand Russell David Hume

Intellectual Lineage

Vienna Circle British Empiricism Analytic Philosophy

Contemporaries & Peers

Bertrand Russell Ludwig Wittgenstein Gilbert Ryle

Minds Influenced

R. M. Hare P. F. Strawson

Intellectual Posterity

EmotivismLogical Positivism in Britain

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