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v3
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Commit
2020-10-29 15:42
f83468d3
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feat(category_theory/functor_category): monos in the functor category (
#4811
)
Estimated changes
Modified
src/category_theory/functor_category.lean
added
theorem
category_theory.nat_trans.epi_app_of_epi
added
theorem
category_theory.nat_trans.mono_app_of_mono