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声明

second_iso_phi_inv

Mathlib.Algebra.Group.SecondIsomorphism.Map

2

模块

63

定理

750

声明

1016

非可信 sidecar

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陈述

forall (G : Sort succ u), forall (one : G), forall (mul : forall (a : G), forall (b : G), G), forall (inv : forall (a : G), G), forall (N : forall (x : G), Prop), forall (group_args : @GroupLawArgs.{succ u} G one mul inv), forall (normal_args : @NormalSubgroupLawArgs.{succ u} G one mul inv N), forall (Hpred : forall (x : G), Prop), forall (h_args : @SubgroupLawArgs.{succ u} G one mul inv Hpred), forall (h : G), forall (hh : Hpred h), @Eq.{succ u} (@NormalQuot.{u} G one mul inv N group_args normal_args) (@NormalQuotInv.{u} G one mul inv N group_args normal_args (@SecondIsoPhi.{u} G one mul inv N group_args normal_args Hpred h hh)) (@SecondIsoPhi.{u} G one mul inv N group_args normal_args Hpred (inv h) (@subgroup_inv_closed.{succ u} G one mul inv Hpred h_args h hh))

证明项

fun G => fun one => fun mul => fun inv => fun N => fun group_args => fun normal_args => fun Hpred => fun h_args => fun h => fun hh => @Eq.refl.{succ u} (@NormalQuot.{u} G one mul inv N group_args normal_args) (@NormalQuotMk.{u} G one mul inv N group_args normal_args (inv h))

常量