lmhmqusker - Mathbox for Thierry Arnoux

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Theorem lmhmqusker 32805

Description: A surjective module homomorphism 𝐹 from 𝐺 to 𝐻 induces an isomorphism 𝐽 from 𝑄 to 𝐻, where 𝑄 is the factor group of 𝐺 by 𝐹's kernel 𝐾. (Contributed by Thierry Arnoux, 25-Feb-2025.)

**Hypotheses**
Ref	Expression
lmhmqusker.1	⊢ 0 = (0_g‘𝐻)
lmhmqusker.f	⊢ (𝜑 → 𝐹 ∈ (𝐺 LMHom 𝐻))
lmhmqusker.k	⊢ 𝐾 = (^◡𝐹 “ { 0 })
lmhmqusker.q	⊢ 𝑄 = (𝐺 /_s (𝐺 ~_QG 𝐾))
lmhmqusker.s	⊢ (𝜑 → ran 𝐹 = (Base‘𝐻))
lmhmqusker.j	⊢ 𝐽 = (𝑞 ∈ (Base‘𝑄) ↦ ∪ (𝐹 “ 𝑞))

**Assertion**
Ref	Expression
lmhmqusker	⊢ (𝜑 → 𝐽 ∈ (𝑄 LMIso 𝐻))

Distinct variable groups: 𝐹,𝑞 𝐺,𝑞 𝐻,𝑞 𝐽,𝑞 𝐾,𝑞 𝑄,𝑞 𝜑,𝑞 Allowed substitution hint: 0 (𝑞)

Proof of Theorem lmhmqusker Dummy variables 𝑥 𝑘 𝑟 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqid 2731	. . 3 ⊢ (Base‘𝑄) = (Base‘𝑄)
2		eqid 2731	. . 3 ⊢ ( ·_𝑠 ‘𝑄) = ( ·_𝑠 ‘𝑄)
3		eqid 2731	. . 3 ⊢ ( ·_𝑠 ‘𝐻) = ( ·_𝑠 ‘𝐻)
4		eqid 2731	. . 3 ⊢ (Scalar‘𝑄) = (Scalar‘𝑄)
5		eqid 2731	. . 3 ⊢ (Scalar‘𝐻) = (Scalar‘𝐻)
6		eqid 2731	. . 3 ⊢ (Base‘(Scalar‘𝑄)) = (Base‘(Scalar‘𝑄))
7		lmhmqusker.q	. . . 4 ⊢ 𝑄 = (𝐺 /_s (𝐺 ~_QG 𝐾))
8		eqid 2731	. . . 4 ⊢ (Base‘𝐺) = (Base‘𝐺)
9		lmhmqusker.f	. . . . 5 ⊢ (𝜑 → 𝐹 ∈ (𝐺 LMHom 𝐻))
10		lmhmlmod1 20789	. . . . 5 ⊢ (𝐹 ∈ (𝐺 LMHom 𝐻) → 𝐺 ∈ LMod)
11	9, 10	syl 17	. . . 4 ⊢ (𝜑 → 𝐺 ∈ LMod)
12		lmhmqusker.k	. . . . . 6 ⊢ 𝐾 = (^◡𝐹 “ { 0 })
13		lmhmqusker.1	. . . . . 6 ⊢ 0 = (0_g‘𝐻)
14		eqid 2731	. . . . . 6 ⊢ (LSubSp‘𝐺) = (LSubSp‘𝐺)
15	12, 13, 14	lmhmkerlss 20807	. . . . 5 ⊢ (𝐹 ∈ (𝐺 LMHom 𝐻) → 𝐾 ∈ (LSubSp‘𝐺))
16	9, 15	syl 17	. . . 4 ⊢ (𝜑 → 𝐾 ∈ (LSubSp‘𝐺))
17	7, 8, 11, 16	quslmod 32740	. . 3 ⊢ (𝜑 → 𝑄 ∈ LMod)
18		lmhmlmod2 20788	. . . 4 ⊢ (𝐹 ∈ (𝐺 LMHom 𝐻) → 𝐻 ∈ LMod)
19	9, 18	syl 17	. . 3 ⊢ (𝜑 → 𝐻 ∈ LMod)
20		eqid 2731	. . . . . 6 ⊢ (Scalar‘𝐺) = (Scalar‘𝐺)
21	20, 5	lmhmsca 20786	. . . . 5 ⊢ (𝐹 ∈ (𝐺 LMHom 𝐻) → (Scalar‘𝐻) = (Scalar‘𝐺))
22	9, 21	syl 17	. . . 4 ⊢ (𝜑 → (Scalar‘𝐻) = (Scalar‘𝐺))
23	7	a1i 11	. . . . 5 ⊢ (𝜑 → 𝑄 = (𝐺 /_s (𝐺 ~_QG 𝐾)))
24	8	a1i 11	. . . . 5 ⊢ (𝜑 → (Base‘𝐺) = (Base‘𝐺))
25		ovexd 7447	. . . . 5 ⊢ (𝜑 → (𝐺 ~_QG 𝐾) ∈ V)
26	23, 24, 25, 11, 20	quss 17497	. . . 4 ⊢ (𝜑 → (Scalar‘𝐺) = (Scalar‘𝑄))
27	22, 26	eqtrd 2771	. . 3 ⊢ (𝜑 → (Scalar‘𝐻) = (Scalar‘𝑄))
28		lmghm 20787	. . . . . 6 ⊢ (𝐹 ∈ (𝐺 LMHom 𝐻) → 𝐹 ∈ (𝐺 GrpHom 𝐻))
29	9, 28	syl 17	. . . . 5 ⊢ (𝜑 → 𝐹 ∈ (𝐺 GrpHom 𝐻))
30		lmhmqusker.j	. . . . 5 ⊢ 𝐽 = (𝑞 ∈ (Base‘𝑄) ↦ ∪ (𝐹 “ 𝑞))
31		lmhmqusker.s	. . . . 5 ⊢ (𝜑 → ran 𝐹 = (Base‘𝐻))
32	13, 29, 12, 7, 30, 31	ghmqusker 32803	. . . 4 ⊢ (𝜑 → 𝐽 ∈ (𝑄 GrpIso 𝐻))
33		gimghm 19179	. . . 4 ⊢ (𝐽 ∈ (𝑄 GrpIso 𝐻) → 𝐽 ∈ (𝑄 GrpHom 𝐻))
34	32, 33	syl 17	. . 3 ⊢ (𝜑 → 𝐽 ∈ (𝑄 GrpHom 𝐻))
35	13	ghmker 19157	. . . . . . . . . . . . . . 15 ⊢ (𝐹 ∈ (𝐺 GrpHom 𝐻) → (^◡𝐹 “ { 0 }) ∈ (NrmSGrp‘𝐺))
36	29, 35	syl 17	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (^◡𝐹 “ { 0 }) ∈ (NrmSGrp‘𝐺))
37	12, 36	eqeltrid 2836	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐾 ∈ (NrmSGrp‘𝐺))
38		nsgsubg 19075	. . . . . . . . . . . . 13 ⊢ (𝐾 ∈ (NrmSGrp‘𝐺) → 𝐾 ∈ (SubGrp‘𝐺))
39		eqid 2731	. . . . . . . . . . . . . 14 ⊢ (𝐺 ~_QG 𝐾) = (𝐺 ~_QG 𝐾)
40	8, 39	eqger 19095	. . . . . . . . . . . . 13 ⊢ (𝐾 ∈ (SubGrp‘𝐺) → (𝐺 ~_QG 𝐾) Er (Base‘𝐺))
41	37, 38, 40	3syl 18	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝐺 ~_QG 𝐾) Er (Base‘𝐺))
42	41	ad4antr 729	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → (𝐺 ~_QG 𝐾) Er (Base‘𝐺))
43		simpllr 773	. . . . . . . . . . . 12 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → 𝑟 ∈ (Base‘𝑄))
44	23, 24, 25, 11	qusbas 17496	. . . . . . . . . . . . 13 ⊢ (𝜑 → ((Base‘𝐺) / (𝐺 ~_QG 𝐾)) = (Base‘𝑄))
45	44	ad4antr 729	. . . . . . . . . . . 12 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → ((Base‘𝐺) / (𝐺 ~_QG 𝐾)) = (Base‘𝑄))
46	43, 45	eleqtrrd 2835	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → 𝑟 ∈ ((Base‘𝐺) / (𝐺 ~_QG 𝐾)))
47		simplr 766	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → 𝑥 ∈ 𝑟)
48		qsel 8793	. . . . . . . . . . 11 ⊢ (((𝐺 ~_QG 𝐾) Er (Base‘𝐺) ∧ 𝑟 ∈ ((Base‘𝐺) / (𝐺 ~_QG 𝐾)) ∧ 𝑥 ∈ 𝑟) → 𝑟 = [𝑥](𝐺 ~_QG 𝐾))
49	42, 46, 47, 48	syl3anc 1370	. . . . . . . . . 10 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → 𝑟 = [𝑥](𝐺 ~_QG 𝐾))
50	49	oveq2d 7428	. . . . . . . . 9 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → (𝑘( ·_𝑠 ‘𝑄)𝑟) = (𝑘( ·_𝑠 ‘𝑄)[𝑥](𝐺 ~_QG 𝐾)))
51		eqid 2731	. . . . . . . . . 10 ⊢ (Base‘(Scalar‘𝐺)) = (Base‘(Scalar‘𝐺))
52		eqid 2731	. . . . . . . . . 10 ⊢ ( ·_𝑠 ‘𝐺) = ( ·_𝑠 ‘𝐺)
53	11	ad4antr 729	. . . . . . . . . 10 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → 𝐺 ∈ LMod)
54	16	ad4antr 729	. . . . . . . . . 10 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → 𝐾 ∈ (LSubSp‘𝐺))
55		simp-4r 781	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → 𝑘 ∈ (Base‘(Scalar‘𝑄)))
56	26	fveq2d 6896	. . . . . . . . . . . 12 ⊢ (𝜑 → (Base‘(Scalar‘𝐺)) = (Base‘(Scalar‘𝑄)))
57	56	ad4antr 729	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → (Base‘(Scalar‘𝐺)) = (Base‘(Scalar‘𝑄)))
58	55, 57	eleqtrrd 2835	. . . . . . . . . 10 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → 𝑘 ∈ (Base‘(Scalar‘𝐺)))
59	41	qsss 8775	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → ((Base‘𝐺) / (𝐺 ~_QG 𝐾)) ⊆ 𝒫 (Base‘𝐺))
60	44, 59	eqsstrrd 4022	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (Base‘𝑄) ⊆ 𝒫 (Base‘𝐺))
61	60	sselda 3983	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑟 ∈ (Base‘𝑄)) → 𝑟 ∈ 𝒫 (Base‘𝐺))
62	61	elpwid 4612	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑟 ∈ (Base‘𝑄)) → 𝑟 ⊆ (Base‘𝐺))
63	62	ad5ant13 754	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → 𝑟 ⊆ (Base‘𝐺))
64	63, 47	sseldd 3984	. . . . . . . . . 10 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → 𝑥 ∈ (Base‘𝐺))
65	8, 39, 51, 52, 53, 54, 58, 7, 2, 64	qusvsval 32734	. . . . . . . . 9 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → (𝑘( ·_𝑠 ‘𝑄)[𝑥](𝐺 ~_QG 𝐾)) = [(𝑘( ·_𝑠 ‘𝐺)𝑥)](𝐺 ~_QG 𝐾))
66	50, 65	eqtrd 2771	. . . . . . . 8 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → (𝑘( ·_𝑠 ‘𝑄)𝑟) = [(𝑘( ·_𝑠 ‘𝐺)𝑥)](𝐺 ~_QG 𝐾))
67	66	fveq2d 6896	. . . . . . 7 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → (𝐽‘(𝑘( ·_𝑠 ‘𝑄)𝑟)) = (𝐽‘[(𝑘( ·_𝑠 ‘𝐺)𝑥)](𝐺 ~_QG 𝐾)))
68	29	ad4antr 729	. . . . . . . 8 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → 𝐹 ∈ (𝐺 GrpHom 𝐻))
69	8, 20, 52, 51	lmodvscl 20633	. . . . . . . . 9 ⊢ ((𝐺 ∈ LMod ∧ 𝑘 ∈ (Base‘(Scalar‘𝐺)) ∧ 𝑥 ∈ (Base‘𝐺)) → (𝑘( ·_𝑠 ‘𝐺)𝑥) ∈ (Base‘𝐺))
70	53, 58, 64, 69	syl3anc 1370	. . . . . . . 8 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → (𝑘( ·_𝑠 ‘𝐺)𝑥) ∈ (Base‘𝐺))
71	13, 68, 12, 7, 30, 70	ghmquskerlem1 32799	. . . . . . 7 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → (𝐽‘[(𝑘( ·_𝑠 ‘𝐺)𝑥)](𝐺 ~_QG 𝐾)) = (𝐹‘(𝑘( ·_𝑠 ‘𝐺)𝑥)))
72	9	ad4antr 729	. . . . . . . 8 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → 𝐹 ∈ (𝐺 LMHom 𝐻))
73	20, 51, 8, 52, 3	lmhmlin 20791	. . . . . . . 8 ⊢ ((𝐹 ∈ (𝐺 LMHom 𝐻) ∧ 𝑘 ∈ (Base‘(Scalar‘𝐺)) ∧ 𝑥 ∈ (Base‘𝐺)) → (𝐹‘(𝑘( ·_𝑠 ‘𝐺)𝑥)) = (𝑘( ·_𝑠 ‘𝐻)(𝐹‘𝑥)))
74	72, 58, 64, 73	syl3anc 1370	. . . . . . 7 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → (𝐹‘(𝑘( ·_𝑠 ‘𝐺)𝑥)) = (𝑘( ·_𝑠 ‘𝐻)(𝐹‘𝑥)))
75	67, 71, 74	3eqtrd 2775	. . . . . 6 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → (𝐽‘(𝑘( ·_𝑠 ‘𝑄)𝑟)) = (𝑘( ·_𝑠 ‘𝐻)(𝐹‘𝑥)))
76		simpr 484	. . . . . . 7 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → (𝐽‘𝑟) = (𝐹‘𝑥))
77	76	oveq2d 7428	. . . . . 6 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → (𝑘( ·_𝑠 ‘𝐻)(𝐽‘𝑟)) = (𝑘( ·_𝑠 ‘𝐻)(𝐹‘𝑥)))
78	75, 77	eqtr4d 2774	. . . . 5 ⊢ (((((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) ∧ 𝑥 ∈ 𝑟) ∧ (𝐽‘𝑟) = (𝐹‘𝑥)) → (𝐽‘(𝑘( ·_𝑠 ‘𝑄)𝑟)) = (𝑘( ·_𝑠 ‘𝐻)(𝐽‘𝑟)))
79	29	ad2antrr 723	. . . . . 6 ⊢ (((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) → 𝐹 ∈ (𝐺 GrpHom 𝐻))
80		simpr 484	. . . . . 6 ⊢ (((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) → 𝑟 ∈ (Base‘𝑄))
81	13, 79, 12, 7, 30, 80	ghmquskerlem2 32801	. . . . 5 ⊢ (((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) → ∃𝑥 ∈ 𝑟 (𝐽‘𝑟) = (𝐹‘𝑥))
82	78, 81	r19.29a 3161	. . . 4 ⊢ (((𝜑 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑄))) ∧ 𝑟 ∈ (Base‘𝑄)) → (𝐽‘(𝑘( ·_𝑠 ‘𝑄)𝑟)) = (𝑘( ·_𝑠 ‘𝐻)(𝐽‘𝑟)))
83	82	anasss 466	. . 3 ⊢ ((𝜑 ∧ (𝑘 ∈ (Base‘(Scalar‘𝑄)) ∧ 𝑟 ∈ (Base‘𝑄))) → (𝐽‘(𝑘( ·_𝑠 ‘𝑄)𝑟)) = (𝑘( ·_𝑠 ‘𝐻)(𝐽‘𝑟)))
84	1, 2, 3, 4, 5, 6, 17, 19, 27, 34, 83	islmhmd 20795	. 2 ⊢ (𝜑 → 𝐽 ∈ (𝑄 LMHom 𝐻))
85		eqid 2731	. . . 4 ⊢ (Base‘𝐻) = (Base‘𝐻)
86	1, 85	gimf1o 19178	. . 3 ⊢ (𝐽 ∈ (𝑄 GrpIso 𝐻) → 𝐽:(Base‘𝑄)–1-1-onto→(Base‘𝐻))
87	32, 86	syl 17	. 2 ⊢ (𝜑 → 𝐽:(Base‘𝑄)–1-1-onto→(Base‘𝐻))
88	1, 85	islmim 20818	. 2 ⊢ (𝐽 ∈ (𝑄 LMIso 𝐻) ↔ (𝐽 ∈ (𝑄 LMHom 𝐻) ∧ 𝐽:(Base‘𝑄)–1-1-onto→(Base‘𝐻)))
89	84, 87, 88	sylanbrc 582	1 ⊢ (𝜑 → 𝐽 ∈ (𝑄 LMIso 𝐻))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2105 Vcvv 3473 ⊆ wss 3949 𝒫 cpw 4603 {csn 4629 ∪ cuni 4909 ↦ cmpt 5232 ^◡ccnv 5676 ran crn 5678 “ cima 5680 –1-1-onto→wf1o 6543 ‘cfv 6544 (class class class)co 7412 Er wer 8703 [cec 8704 / cqs 8705 Basecbs 17149 Scalarcsca 17205 ·_𝑠 cvsca 17206 0_gc0g 17390 /_s cqus 17456 SubGrpcsubg 19037 NrmSGrpcnsg 19038 ~_QG cqg 19039 GrpHom cghm 19128 GrpIso cgim 19172 LModclmod 20615 LSubSpclss 20687 LMHom clmhm 20775 LMIso clmim 20776

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2702 ax-rep 5286 ax-sep 5300 ax-nul 5307 ax-pow 5364 ax-pr 5428 ax-un 7728 ax-cnex 11169 ax-resscn 11170 ax-1cn 11171 ax-icn 11172 ax-addcl 11173 ax-addrcl 11174 ax-mulcl 11175 ax-mulrcl 11176 ax-mulcom 11177 ax-addass 11178 ax-mulass 11179 ax-distr 11180 ax-i2m1 11181 ax-1ne0 11182 ax-1rid 11183 ax-rnegex 11184 ax-rrecex 11185 ax-cnre 11186 ax-pre-lttri 11187 ax-pre-lttrn 11188 ax-pre-ltadd 11189 ax-pre-mulgt0 11190

This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rmo 3375 df-reu 3376 df-rab 3432 df-v 3475 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-pss 3968 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-tp 4634 df-op 4636 df-uni 4910 df-iun 5000 df-br 5150 df-opab 5212 df-mpt 5233 df-tr 5267 df-id 5575 df-eprel 5581 df-po 5589 df-so 5590 df-fr 5632 df-we 5634 df-xp 5683 df-rel 5684 df-cnv 5685 df-co 5686 df-dm 5687 df-rn 5688 df-res 5689 df-ima 5690 df-pred 6301 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6496 df-fun 6546 df-fn 6547 df-f 6548 df-f1 6549 df-fo 6550 df-f1o 6551 df-fv 6552 df-riota 7368 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7859 df-1st 7978 df-2nd 7979 df-frecs 8269 df-wrecs 8300 df-recs 8374 df-rdg 8413 df-1o 8469 df-er 8706 df-ec 8708 df-qs 8712 df-en 8943 df-dom 8944 df-sdom 8945 df-fin 8946 df-sup 9440 df-inf 9441 df-pnf 11255 df-mnf 11256 df-xr 11257 df-ltxr 11258 df-le 11259 df-sub 11451 df-neg 11452 df-nn 12218 df-2 12280 df-3 12281 df-4 12282 df-5 12283 df-6 12284 df-7 12285 df-8 12286 df-9 12287 df-n0 12478 df-z 12564 df-dec 12683 df-uz 12828 df-fz 13490 df-struct 17085 df-sets 17102 df-slot 17120 df-ndx 17132 df-base 17150 df-ress 17179 df-plusg 17215 df-mulr 17216 df-sca 17218 df-vsca 17219 df-ip 17220 df-tset 17221 df-ple 17222 df-ds 17224 df-0g 17392 df-imas 17459 df-qus 17460 df-mgm 18566 df-sgrp 18645 df-mnd 18661 df-submnd 18707 df-grp 18859 df-minusg 18860 df-sbg 18861 df-subg 19040 df-nsg 19041 df-eqg 19042 df-ghm 19129 df-gim 19174 df-cmn 19692 df-abl 19693 df-mgp 20030 df-rng 20048 df-ur 20077 df-ring 20130 df-lmod 20617 df-lss 20688 df-lmhm 20778 df-lmim 20779

This theorem is referenced by: lmicqusker 32806 algextdeglem4 33062

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