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Theorem equiv.swap_inv

Modification history

2020-12-01 13:25
src/data/equiv/basic.lean
chore(data/equiv/perm): Move around lemmas about perm and swap (#5153) …
Modified equiv.swap_invView on Github →
2018-08-10 09:44
data/equiv/basic.lean
feat(group_theory/perm): signatures of permutations (#231)
Added equiv.swap_invView on Github →