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Full Idea
Natural language does not possess a sentential negation-operator.
Gist of Idea
Natural language 'not' doesn't apply to sentences
Source
Michael Dummett (Presupposition [1960], p.27)
Book Ref
Dummett,Michael: 'Truth and Other Enigmas' [Duckworth 1978], p.27
A Reaction
This is a criticism of Strawson, who criticises logic for not following natural language, but does it himself with negation. In the question of how language and logic connect, this idea seems important. Term Logic aims to get closer to natural language.
Related Idea
Idea 19053 Logic would be more natural if negation only referred to predicates [Dummett]