2-Categories

John Power

August 1998

Abstract:

These notes constitute lecture notes to accompany a course on 2-categories at BRICS in the Computer Science Department of the University of Aarhus in March 1998. Each section corresponds to one lecture.

Contents

1
Why 2-categories?
2
Calculus in a 2-category
3
The calculus of 2-categories
4
Coherence
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