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声明

third_iso_kernel_intro

Mathlib.Algebra.Group.ThirdIsomorphism

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 (Hpred : forall (x : G), Prop), forall (group_args : @GroupLawArgs.{succ u} G one mul inv), forall (n_normal : @NormalSubgroupLawArgs.{succ u} G one mul inv N), forall (a : G), forall (ha : Hpred a), @ThirdIsoKernelPred.{u} G one mul inv N Hpred group_args n_normal (@NormalQuotMk.{u} G one mul inv N group_args n_normal a)

证明项

fun G => fun one => fun mul => fun inv => fun N => fun Hpred => fun group_args => fun n_normal => fun a => fun ha => @third_iso_hn_intro.{u} G one mul inv N Hpred group_args n_normal (@NormalQuotMk.{u} G one mul inv N group_args n_normal a) a ha (@Eq.refl.{succ u} (@NormalQuot.{u} G one mul inv N group_args n_normal) (@NormalQuotMk.{u} G one mul inv N group_args n_normal a))

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