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Full Idea
On Frege's logical analysis, the predicate 'exists' is actually a natural language expression for a quantifier.
Gist of Idea
The predicate 'exists' is actually a natural language expression for a quantifier
Source
report of Gottlob Frege (Begriffsschrift [1879]) by Joan Weiner - Frege Ch.8
Book Ref
Weiner,Joan: 'Frege' [OUP 1999], p.133
A Reaction
However see Idea 6067, for McGinn's alternative view of quantifiers. In the normal conventions of predicate logic it may be that existence is treated as a quantifier, but that is not the same as saying that existence just IS a quantifier.
Related Idea
Idea 6067 Existential quantifiers just express the quantity of things, leaving existence to the predicate 'exists' [McGinn]