Combining Texts

All the ideas for 'Issues of Pragmaticism', 'English as a Formal Language' and 'Investigations into Logical Deduction'

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3 ideas

5. Theory of Logic / F. Referring in Logic / 2. Descriptions / b. Definite descriptions

18779

'The' is a quantifier, like 'every' and 'a', and does not result in denotation [Montague]

5. Theory of Logic / H. Proof Systems / 4. Natural Deduction

13832

Natural deduction shows the heart of reasoning (and sequent calculus is just a tool) [Gentzen, by Hacking]

19. Language / A. Nature of Meaning / 1. Meaning

19087

The meaning or purport of a symbol is all the rational conduct it would lead to [Peirce]