This is the word used by Kleene 1952:78• 4 Groping towards metalogic Grattan-Guinness 2000:454ff discusses the American logicians' critical reception of the second edition of PM | |
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For instance Sheffer "puzzled that ' In order to give an account of logic, we must presuppose and employ logic ' " p | The New York Times Company |
And Bernstein ended his 1926 review with the comment that "This distinction between the propositional logic as a mathematical system and as a language must be made, if serious errors are to be avoided; this distinction the Principia does not make" p.
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19.
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