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Topic: Concretizable categories
Replies: 9   Last Post: Apr 11, 2006 10:30 AM

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Posts: 109
Registered: 12/11/04
Re: Concretizable categories
Posted: Apr 6, 2006 10:39 AM
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Nath Rao <> wrote:
> Jonathan Scott wrote:
> > The proof is in "The Steenrod Algebra and its Applications" (proceedings
> > from a conference in honour of Norman Steenrod's 60th birthday), in an
> > article by Lawvere (I think!).

> Lect. Notes Math, no. 168. The author is P. J. Freyd

The article in question is most likely

Peter Freyd: Homotopy is not concrete

It is also available as

Reprints in Theory and Applications of Categories, No. 6 (2004) pp 1-10

at <>


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