Page
Diff
Editor
WikiProjects
Review
Diff
6,004
TakuyaMurata
Talk | Contributions
Edit count: 93,611
Reviewed by:
Permalink
Edit summary: Created page with '== Elementary Theory of Abstract Categories (ETAC) == ETAC is the acronym for Lawvere's “elementary theory of abstract categories” which provides an axiomatic construction of the theory of categories and functors that was extended to the axiomatic theory of supercategories. The ETAC axioms are listed next. === Definition 0.1 === ETAC axioms, ([3]): 0. For any letters <math>x, y, u, A, B</math>, and unary function symbols <math>\Delta_0</math> and <m...'