Etymology

Penrose-Lucas argument

Today it means: An argument based on Gödel's incompleteness theorem, suggesting that the human mind cannot be computed on a Turing machine that works on Peano arithmetic because the latter cannot see the truth value of its Gödel sentence, while a human mind can. Full definition →

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The story

Named after philosophers John Lucas and Roger Penrose.

Etymology from Wiktionary, CC BY-SA 4.0.