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Single Idea 9914

[filed under theme 6. Mathematics / C. Sources of Mathematics / 4. Mathematical Empiricism / a. Mathematical empiricism ]

Full Idea

Experience with nature is undoubtedly the source of our most basic 'mathematical intuitions', even if it is unfashionable to say so.

Gist of Idea

It is unfashionable, but most mathematical intuitions come from nature

Source

Hilary Putnam (Models and Reality [1977], p.424)

Book Ref

'Philosophy of Mathematics: readings (2nd)', ed/tr. Benacerraf/Putnam [CUP 1983], p.424


A Reaction

Correct. I find it quite bewildering how Frege has managed to so discredit all empirical and psychological approaches to mathematics that it has become a heresy to say such things.


The 4 ideas from 'Models and Reality'

The Löwenheim-Skolem theorems show that whether all sets are constructible is indeterminate [Putnam, by Shapiro]
The Löwenheim-Skolem Theorem is close to an antinomy in philosophy of language [Putnam]
It is unfashionable, but most mathematical intuitions come from nature [Putnam]
V = L just says all sets are constructible [Putnam]