[TYPES] origin of the term "hom-set"?

Harley Eades III harley.eades at gmail.com
Wed Nov 5 13:27:37 EST 2014

Hi, Derek.

I am not sure of this myself, but I am forwarding this to the categories list as

Category theorist:  Do you happen to know the answer to Derek’s question? 
See below.

I am willing to bet someone there knows.

Very best,
.\ Harley Eades

On Nov 5, 2014, at 12:51 PM, Derek Dreyer <dreyer at mpi-sws.org> wrote:

> [ The Types Forum, http://lists.seas.upenn.edu/mailman/listinfo/types-list ]
> Hi.  Does anyone know the origin of the term "hom-set"?  It came up
> yesterday in class, and after a little googling, I have not turned up
> the answer.  I always assumed it stood for "homomorphism set" (?) but
> even that much I have not been able to verify, and it doesn't explain
> why we are talking about "homomorphisms" as opposed to "morphisms" (or
> "sets" rather than "collections", since the hom-set is not always a
> set).  I presume there is some historical reason for this?
> Thanks,
> Derek

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