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2023-02-05 17:34
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feat: Port Data.Fintype.Perm (
#1691
) Port of data.fintype.perm
Estimated changes
Modified
Mathlib.lean
Created
Mathlib/Data/Fintype/Perm.lean
added
theorem
Fintype.card_equiv
added
theorem
Fintype.card_perm
added
theorem
card_perms_of_finset
added
def
fintypePerm
added
theorem
length_permsOfList
added
theorem
mem_of_mem_permsOfList
added
theorem
mem_permsOfList_iff
added
theorem
mem_permsOfList_of_mem
added
theorem
mem_perms_of_finset_iff
added
theorem
nodup_permsOfList
added
def
permsOfFinset
added
def
permsOfList