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Results tagged with monoidal-categories
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user 121493
8
votes
Accepted
MacLane coherence theorem for "monoidal" category without 1
Sorry, I noticed this an hour after posting: Yes, it's true, see Theorem 3.1 in MacLane's excellent paper "Natural associativity and commutativity".
It's a mystery to my why this is so scarcely menti …
- 171
9
votes
2
answers
856
views
MacLane coherence theorem for "monoidal" category without 1
MacLane's coherence theorem for a monoidal category states that once the associators for 4-fold products are compatible (i.e., the pentagon axiom holds), it holds for n-fold products, so I can bracket …
- 171