On 8/26/2019 12:35 AM, Philip Thrift wrote:
On Sunday, August 25, 2019 at 10:16:28 PM UTC-5, Alan Grayson wrote:
On Sunday, August 25, 2019 at 9:03:45 PM UTC-6, Bruce wrote:
On Mon, Aug 26, 2019 at 12:07 PM Jason Resch
<[email protected]> wrote:
Hypothetical universes do not exist, by definition.
They *might* exist, at least that's how I understand English. AG
Every entity of a theory is hypothetical, in a pragmatic view:
According to Giere, interpretation is mediated by theoretical
hypotheses positing representational relations between a model and
relevant parts of the world. Such relations may be stated as follows:
S uses X to represent W for purposes P.
Here S is a scientist, research group or community, W is a part of the
world, and X is, broadly speaking, any one of a variety of models
(Giere 2004, 743, 747, 2010). Model-world similarity judgments are
conventional and intentional:
"Note that I am not saying that the model itself represents an aspect
of the world because it is similar to that aspect. …Anything is
similar to anything else in countless respects, but not anything
represents anything else.
That's where the "for purposes P" comes in. Only some similarities are
going to be useful.
Brent
It is not the model that is doing the representing; it is the
scientist using the model who is doing the representing."(2004, 747)
from https://plato.stanford.edu/entries/structure-scientific-theories/
@philipthrift
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