On Monday, December 17, 2018 at 3:58:36 AM UTC-6, Bruno Marchal wrote:
>
>
> On 14 Dec 2018, at 19:41, Philip Thrift <[email protected] <javascript:>>
> wrote:
>
>
> But suppose that "mathematics is material”.
>
>
> What could that even mean?
>
It means (in the approach I like) that *math is fiction,* just as defined
in *Fictionalism in the Philosophy of Mathematics*
[ https://www.iep.utm.edu/mathfict/ ]
(mainly beginning with the definition given by Hartry Field).
This is a very clearly written article. I don't see what the mystery is to
"mathematics is material". (One can disagree with fictionalism, but at
least one should read about what it is).
(An alternative to fictionalism is constructivism.)
- pt
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