20 May
2012
20 May
'12
2:29 p.m.
Is there any known record of Hermann Weyl ever writing or saying anything about categories and/or functors? He certainly heard of the Eilenberg-Steenrod axioms, and a few other uses. But did he leave any record? best, Colin [For admin and other information see: http://www.mta.ca/~cat-dist/ ]