∫ Утверждение Mathlib
ne_and_ne_of_swap_mul_apply_ne_self
Mathlib.GroupTheory.Perm.Support
URI: https://scilib.ai/kg/mathlib#Equiv.Perm.ne_and_ne_of_swap_mul_apply_ne_self
∫ Утверждение Mathlib
Mathlib.GroupTheory.Perm.Support
URI: https://scilib.ai/kg/mathlib#Equiv.Perm.ne_and_ne_of_swap_mul_apply_ne_self