Mathlib v3 is deprecated. Go to Mathlib v4

Theorem equiv.perm.sum_congr_one_swap

Modification history

2020-12-10 13:58
src/group_theory/perm/basic.lean
feat(group_theory/perm/sign): Add sign_sum_congr (#5266)
Added equiv.perm.sum_congr_one_swapView on Github →