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Theorem category_theory.monoidal_category.unitors_equal.cells_3_4

Modification history

2021-03-26 23:52
src/category_theory/monoidal/unitors.lean
chore(category_theory/monoidal): golf some proofs (#6894) …
Deleted category_theory.monoidal_category.unitors_equal.cells_3_4View on Github →
2020-07-28 23:25
src/category_theory/monoidal/unitors.lean
feat(category_theory/monoidal): λ_ (𝟙_ C) = ρ_ (𝟙_ C) (#3556) …
Added category_theory.monoidal_category.unitors_equal.cells_3_4View on Github →