28 Apr
2013
28 Apr
'13
8:31 a.m.
Dear All, I remember once seeing a Venn diagram of overlapping categories of Categories, such as Abelian Cats, Cartesian Closed cats, Topoi, Concrete Cats, etc etc. Can anyone remind me where it was, or point me to something similar (preferably on the web). Thanks, Keith Bowden [For admin and other information see: http://www.mta.ca/~cat-dist/ ]