Commit 2024-05-21 23:04 3570694d

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feat: the forgetful functor from Mon_ C to C is monoidal when C is braided (#12857)

Estimated changes

Modified Mathlib/CategoryTheory/Monoidal/Mon_.lean

added def Mon_.forgetMonoidal

added theorem Mon_.forgetMonoidal_toFunctor

added theorem Mon_.forgetMonoidal_ε

added theorem Mon_.forgetMonoidal_μ