Closed JacquesCarette closed 3 years ago
https://arxiv.org/abs/2101.04238. It's about the free symmetric strict monoidal category.
Yes, the free SMC occurs in many places. The oldest reference I've found is in Two-dimensional monad theory, in the section on examples of 2-monads.
https://arxiv.org/abs/2101.04238. It's about the free symmetric strict monoidal category.