FOM: Books on categorical foundations: a baker's dozen

[Vaughan Pratt]

>An interesting recent book on categorical foundations that was ommitted
>in Vaughan Pratt's baker's dozen (Fri, 27 Feb 1998 19:15:58) is
>A. Joyal and I. Moerdijk, Algebraic Set Theory, LMS Lecture
>Note Series 220, Cambridge University Press, 1995.

Oops, embarrassing when it's sitting right on my bookshelf.  My apologies
to Andre and Ieke for the oversight.

Vaughan Pratt