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From: "Michael Barr, Prof." <barr.michael@mcgill.ca>
To: "categories@mq.edu.au" <categories@mq.edu.au>
Subject: Modification of what I said
Date: Mon, 18 Dec 2023 17:56:47 +0000	[thread overview]
Message-ID: <YQXPR01MB392732197D12F92F5A781C349C90A@YQXPR01MB3927.CANPRD01.PROD.OUTLOOK.COM> (raw)

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Peter Freyd claims that Hassler Whitney defined natural transformation in a 1938 paper.  I no longer have access to Math. Reviews (except by going to McGill, which I have done only once in the last four years) so I cannot supply a reference.

Michael


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             reply	other threads:[~2023-12-18 18:00 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-18 17:56 Michael Barr, Prof. [this message]
2023-12-18 19:14 ` Wesley Phoa
2023-12-18 19:29   ` Jean-Pierre Marquis
2023-12-18 19:43     ` Evgeny Kuznetsov
2023-12-18 20:08       ` Jean-Pierre Marquis
2023-12-19  5:07         ` Patrik Eklund
2023-12-19  5:44       ` Dusko Pavlovic
2023-12-20  0:10         ` David Roberts
2023-12-20 21:02           ` Dusko Pavlovic
2023-12-21  3:08         ` Ross Street

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