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Commit
2020-11-03 15:50
b26fc59f
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feat(category_theory/limits/shapes/products): pi comparison morphism (
#4855
)
Estimated changes
Modified
src/category_theory/limits/shapes/products.lean
added
theorem
category_theory.limits.map_lift_pi_comparison
added
def
category_theory.limits.pi_comparison
added
theorem
category_theory.limits.pi_comparison_comp_π
added
def
category_theory.limits.sigma_comparison
added
theorem
category_theory.limits.sigma_comparison_map_desc
added
theorem
category_theory.limits.ι_comp_sigma_comparison