Existence and Predication
Very many philosophers have thought that the Ontological Argument collapses because ‘Existence is not a Predicate’ (e.g. Ayer, Broad, Wisdom, in Plantinga  p. 38). The most celebrated supporter of this view is Kant (pp. 504–7), but it is found briefly stated in Gassendi’s criticism of Descartes’ argument (II 186); and the slogan, ‘Existence is not a Predicate’, has a venerable history in its own right (cf. Rescher  pp. 79–80).
KeywordsSingular Term Predicate Logic Existential Quantifier Ontological Argument Open Sentence
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