In an article in "mind," 1971, pp. 282-283, the authors raised objections to a certain definition in "principia mathematica." in this paper we demonstrate that (a) their argument is faulty, (b) their suggested remedies are unsatisfactory, and (c) there is nothing wrong with the original definition.
CITATION STYLE
Morgan, C. G. (1973). Proper Definitions in “Principia Mathematica.” International Logic Review.
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