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2023-12-21 09:38
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chore(Perm/Basic): golf (
#9174
) Golf 3 proofs
Estimated changes
Modified
Mathlib/GroupTheory/Perm/Basic.lean
modified
theorem
Equiv.mul_swap_eq_iff
modified
theorem
Equiv.swap_mul_eq_iff
modified
theorem
Equiv.swap_mul_swap_mul_swap