* Super Yoneda?
@ 2016-10-04 18:21 Michael Barr
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From: Michael Barr @ 2016-10-04 18:21 UTC (permalink / raw)
To: categories net
We all know that if Hom(A,-) is naturally equivalent to Hom(B,-), then A
is isomorphic to B. But can you find a category in which for each object
C, Hom(A,C) is isomorphic to Hom(B,C) but no naturality of the isomorphism
without A being isomorphic to B?
Michael
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2016-10-04 18:21 Super Yoneda? Michael Barr
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