nLab
collection

Mathematicians sometimes use the word collection to denote a bunch of “things” without prejudice as to whether those things form a set, a proper class, or some other formal notion of collection such as a type. For example, the word is often used this way in the definition of a category.

Revised on December 13, 2009 07:27:39 by Toby Bartels (173.60.119.197)