Mathlib v3 is deprecated. Go to Mathlib v4

Theorem equiv.perm.sign_mul

Modification history

2018-10-17 13:50

group_theory/perm.lean

feat(group_theory/perm): swap_mul_swal / swap_swap_apply (by @kckennylau)

Modified equiv.perm.sign_mul View on Github →

2018-09-19 11:24

group_theory/perm.lean

feat(group_theory/perm): sign_cycle and sign_bij (#347)

Added equiv.perm.sign_mul View on Github →