(1910–89), English philosopher; full name Alfred Jules Ayer. Involved with the Vienna Circle in the 1930s, he was an important proponent of logical positivism. Notable work: Language, Truth, and Logic (1936).
Definition of Ayer, Sir A. J. in US English:
Ayer, Sir A. J.
proper noune(ə)r
(1910–89), English philosopher; full name Alfred Jules Ayer. He was an important proponent of logical positivism. Notable works: Language, Truth, and Logic (1936) and The Problem of Knowledge (1956).