Indefinitely extensible [was: FOM: 'platonism' again ...]

Julio Gonzalez Cabillon jgc at
Sun Feb 1 11:28:45 EST 1998

On Sun, 1 Feb 1998 14:22:13 +0000 (GMT), Stephen Ferguson wrote:
| ...
| In the discussion of the early occurances of 'Platonism', reference was
| made to 'impredicativity': okay so this is off at a tangent, but I
| wondered: who was the first person to use the notion 'indefinitly
| extensible': I know Poincare and Russell use it, but it seems Weyl may
| have used it too. Anyone able to help?
| ...

If I am remembering things correctly, Michael Dummett in his "Frege: Philosophy
of Mathematics" [London: Duckworth, 1991] refers to "indefinitely extensible
concepts". Hope this helps.

Julio Gonzalez Cabillon

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