26 Nov
2005
26 Nov
'05
5:42 p.m.
In answer to Carl Futia Charles Ehresmann has called such "gadgets" quasi-categories in "Introduction to the theory of structured categories" (Kansas 1966) reprinted in "Charles Ehresmann: Oeuvres completes et commentees" Part III-2. Sincerely Andree C. Ehresmann