Mathlib v3 is deprecated. Go to Mathlib v4

Commit 2021-04-01 05:03 21cc8066

View on Github →

feat(data/equiv/basic): perm_congr group lemmas (#6982)

Estimated changes

modified def equiv.perm_congr
modified theorem equiv.perm_congr_apply
modified theorem equiv.perm_congr_def
added theorem equiv.perm_congr_refl
modified theorem equiv.perm_congr_symm
modified theorem equiv.perm_congr_symm_apply
added theorem equiv.perm_congr_trans