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Theorem equiv.perm.sign_subtype_perm

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_subtype_perm 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_subtype_perm View on Github →