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声明
group_inv_inv
Mathlib.Algebra.Group.Basic
包
2
模块
63
定理
750
声明
1016
非可信 sidecar
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陈述
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), @Eq.{u} G (inv (inv a)) a证明项
fun G => fun one => fun mul => fun inv => fun group_args => fun a => @group_left_cancel.{u} G one mul inv group_args (inv a) (inv (inv a)) a (@eq_trans.{u} G (mul (inv a) (inv (inv a))) one (mul (inv a) a) (@group_mul_inv.{u} G one mul inv group_args (inv a)) (@eq_symm.{u} G (mul (inv a) a) one (@group_inv_mul.{u} G one mul inv group_args a)))