Commit 2020-11-02 20:27 5334f48b
View on Github →chore(data/fintype/card): add a few lemmas (#4877)
Prove a few versions of (∏ i in s, f i) * (∏ i in sᶜ, f i) = ∏ i, f i
chore(data/fintype/card): add a few lemmas (#4877)
Prove a few versions of (∏ i in s, f i) * (∏ i in sᶜ, f i) = ∏ i, f i