Alfred Jules Ayer   * 29. October 1910 in St. John’s Wood, London; † 27. June 1989 in London

Sprache, Wahrheit und Logik

Ayer was a British philosopher of logical empiricism and noncognitivism. In his work  "Language, Truth and Logic" he holds the view that sentences of metaphysics, theology, but also ethics as value statements are useless. Only empirically verifiable is in his opinion of value.