Re: pots and kettles

"generalised abstract nonsense" I'm pretty sure it was current while I was a grad student at princeton 1956-58 it wasn't necessarily perjorative category theory certainly applies marvelously to knot theory but Yetter should wade in on that aspect jim Paul Taylor wrote:

I wonder when the phrases "generalised abstract nonsense" and "empty set theory" came into circulation? I seem to remember hearing them when I was an undergraduate.