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Declaration
group_inv_rel_symm_reassoc
Mathlib.Algebra.Group.Basic
Packages
2
Module
63
Theorem
750
Declarations
1016
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Statement
forall (G : Sort u), forall (one : G), forall (mul : forall (a : G), forall (b : G), G), forall (inv : forall (a : G), G), forall (group_args : @GroupLawArgs.{u} G one mul inv), forall (a : G), forall (b : G), @Eq.{u} G (inv (mul (inv a) b)) (mul (inv b) a)Proof term
fun G => fun one => fun mul => fun inv => fun group_args => fun a => fun b => @eq_trans.{u} G (inv (mul (inv a) b)) (mul (inv b) (inv (inv a))) (mul (inv b) a) (@eq_symm.{u} G (mul (inv b) (inv (inv a))) (inv (mul (inv a) b)) (@group_mul_inv_rev.{u} G one mul inv group_args (inv a) b)) (@eq_congr_arg.{u,u} G G (fun (z : G) => mul (inv b) z) (inv (inv a)) a (@group_inv_inv.{u} G one mul inv group_args a))