Theorem ghmqusnsglem1 19185

Description: Lemma for ghmqusnsg 19187. (Contributed by Thierry Arnoux, 13-May-2025.)

Hypotheses

Ref	Expression
ghmqusnsg.0	⊢ 0 = (0g‘𝐻)
ghmqusnsg.f	⊢ (𝜑 → 𝐹 ∈ (𝐺 GrpHom 𝐻))
ghmqusnsg.k	⊢ 𝐾 = (◡𝐹 “ { 0 })
ghmqusnsg.q	⊢ 𝑄 = (𝐺 /s (𝐺 ~QG 𝑁))
ghmqusnsg.j	⊢ 𝐽 = (𝑞 ∈ (Base‘𝑄) ↦ ∪ (𝐹 “ 𝑞))
ghmqusnsg.n	⊢ (𝜑 → 𝑁 ⊆ 𝐾)
ghmqusnsg.1	⊢ (𝜑 → 𝑁 ∈ (NrmSGrp‘𝐺))
ghmqusnsglem1.x	⊢ (𝜑 → 𝑋 ∈ (Base‘𝐺))

Assertion

Ref	Expression
ghmqusnsglem1	⊢ (𝜑 → (𝐽‘[𝑋](𝐺 ~QG 𝑁)) = (𝐹‘𝑋))

Distinct variable groups:   𝐹,𝑞   𝐺,𝑞   𝐾,𝑞   𝑁,𝑞   𝑄,𝑞   𝑋,𝑞   𝜑,𝑞

Allowed substitution hints:   𝐻(𝑞)   𝐽(𝑞)   0 (𝑞)

Proof of Theorem ghmqusnsglem1

Dummy variables 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		ghmqusnsg.j	. . 3 ⊢ 𝐽 = (𝑞 ∈ (Base‘𝑄) ↦ ∪ (𝐹 “ 𝑞))
2		imaeq2 6002	. . . 4 ⊢ (𝑞 = [𝑋](𝐺 ~QG 𝑁) → (𝐹 “ 𝑞) = (𝐹 “ [𝑋](𝐺 ~QG 𝑁)))
3	2	unieqd 4870	. . 3 ⊢ (𝑞 = [𝑋](𝐺 ~QG 𝑁) → ∪ (𝐹 “ 𝑞) = ∪ (𝐹 “ [𝑋](𝐺 ~QG 𝑁)))
4		ghmqusnsglem1.x	. . . . 5 ⊢ (𝜑 → 𝑋 ∈ (Base‘𝐺))
5		ovex 7374	. . . . . 6 ⊢ (𝐺 ~QG 𝑁) ∈ V
6	5	ecelqsi 8689	. . . . 5 ⊢ (𝑋 ∈ (Base‘𝐺) → [𝑋](𝐺 ~QG 𝑁) ∈ ((Base‘𝐺) / (𝐺 ~QG 𝑁)))
7	4, 6	syl 17	. . . 4 ⊢ (𝜑 → [𝑋](𝐺 ~QG 𝑁) ∈ ((Base‘𝐺) / (𝐺 ~QG 𝑁)))
8		ghmqusnsg.q	. . . . . 6 ⊢ 𝑄 = (𝐺 /s (𝐺 ~QG 𝑁))
9	8	a1i 11	. . . . 5 ⊢ (𝜑 → 𝑄 = (𝐺 /s (𝐺 ~QG 𝑁)))
10		eqidd 2731	. . . . 5 ⊢ (𝜑 → (Base‘𝐺) = (Base‘𝐺))
11		ovexd 7376	. . . . 5 ⊢ (𝜑 → (𝐺 ~QG 𝑁) ∈ V)
12		ghmqusnsg.f	. . . . . 6 ⊢ (𝜑 → 𝐹 ∈ (𝐺 GrpHom 𝐻))
13		ghmgrp1 19123	. . . . . 6 ⊢ (𝐹 ∈ (𝐺 GrpHom 𝐻) → 𝐺 ∈ Grp)
14	12, 13	syl 17	. . . . 5 ⊢ (𝜑 → 𝐺 ∈ Grp)
15	9, 10, 11, 14	qusbas 17441	. . . 4 ⊢ (𝜑 → ((Base‘𝐺) / (𝐺 ~QG 𝑁)) = (Base‘𝑄))
16	7, 15	eleqtrd 2831	. . 3 ⊢ (𝜑 → [𝑋](𝐺 ~QG 𝑁) ∈ (Base‘𝑄))
17	12	imaexd 7841	. . . 4 ⊢ (𝜑 → (𝐹 “ [𝑋](𝐺 ~QG 𝑁)) ∈ V)
18	17	uniexd 7670	. . 3 ⊢ (𝜑 → ∪ (𝐹 “ [𝑋](𝐺 ~QG 𝑁)) ∈ V)
19	1, 3, 16, 18	fvmptd3 6947	. 2 ⊢ (𝜑 → (𝐽‘[𝑋](𝐺 ~QG 𝑁)) = ∪ (𝐹 “ [𝑋](𝐺 ~QG 𝑁)))
20		eqid 2730	. . . . . . . . . 10 ⊢ (Base‘𝐺) = (Base‘𝐺)
21		eqid 2730	. . . . . . . . . 10 ⊢ (Base‘𝐻) = (Base‘𝐻)
22	20, 21	ghmf 19125	. . . . . . . . 9 ⊢ (𝐹 ∈ (𝐺 GrpHom 𝐻) → 𝐹:(Base‘𝐺)⟶(Base‘𝐻))
23	12, 22	syl 17	. . . . . . . 8 ⊢ (𝜑 → 𝐹:(Base‘𝐺)⟶(Base‘𝐻))
24	23	ffnd 6648	. . . . . . 7 ⊢ (𝜑 → 𝐹 Fn (Base‘𝐺))
25		ghmqusnsg.1	. . . . . . . . 9 ⊢ (𝜑 → 𝑁 ∈ (NrmSGrp‘𝐺))
26		nsgsubg 19063	. . . . . . . . 9 ⊢ (𝑁 ∈ (NrmSGrp‘𝐺) → 𝑁 ∈ (SubGrp‘𝐺))
27		eqid 2730	. . . . . . . . . 10 ⊢ (𝐺 ~QG 𝑁) = (𝐺 ~QG 𝑁)
28	20, 27	eqger 19083	. . . . . . . . 9 ⊢ (𝑁 ∈ (SubGrp‘𝐺) → (𝐺 ~QG 𝑁) Er (Base‘𝐺))
29	25, 26, 28	3syl 18	. . . . . . . 8 ⊢ (𝜑 → (𝐺 ~QG 𝑁) Er (Base‘𝐺))
30	29	ecss 8668	. . . . . . 7 ⊢ (𝜑 → [𝑋](𝐺 ~QG 𝑁) ⊆ (Base‘𝐺))
31	24, 30	fvelimabd 6890	. . . . . 6 ⊢ (𝜑 → (𝑦 ∈ (𝐹 “ [𝑋](𝐺 ~QG 𝑁)) ↔ ∃𝑧 ∈ [ 𝑋](𝐺 ~QG 𝑁)(𝐹‘𝑧) = 𝑦))
32		simpr 484	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) ∧ (𝐹‘𝑧) = 𝑦) → (𝐹‘𝑧) = 𝑦)
33	12	adantr 480	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → 𝐹 ∈ (𝐺 GrpHom 𝐻))
34		eqid 2730	. . . . . . . . . . . . . . . 16 ⊢ (invg‘𝐺) = (invg‘𝐺)
35	33, 13	syl 17	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → 𝐺 ∈ Grp)
36	4	adantr 480	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → 𝑋 ∈ (Base‘𝐺))
37	20, 34, 35, 36	grpinvcld 18893	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → ((invg‘𝐺)‘𝑋) ∈ (Base‘𝐺))
38	30	sselda 3932	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → 𝑧 ∈ (Base‘𝐺))
39		eqid 2730	. . . . . . . . . . . . . . . 16 ⊢ (+g‘𝐺) = (+g‘𝐺)
40		eqid 2730	. . . . . . . . . . . . . . . 16 ⊢ (+g‘𝐻) = (+g‘𝐻)
41	20, 39, 40	ghmlin 19126	. . . . . . . . . . . . . . 15 ⊢ ((𝐹 ∈ (𝐺 GrpHom 𝐻) ∧ ((invg‘𝐺)‘𝑋) ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺)) → (𝐹‘(((invg‘𝐺)‘𝑋)(+g‘𝐺)𝑧)) = ((𝐹‘((invg‘𝐺)‘𝑋))(+g‘𝐻)(𝐹‘𝑧)))
42	33, 37, 38, 41	syl3anc 1373	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → (𝐹‘(((invg‘𝐺)‘𝑋)(+g‘𝐺)𝑧)) = ((𝐹‘((invg‘𝐺)‘𝑋))(+g‘𝐻)(𝐹‘𝑧)))
43	24	adantr 480	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → 𝐹 Fn (Base‘𝐺))
44		ghmqusnsg.n	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → 𝑁 ⊆ 𝐾)
45		ghmqusnsg.k	. . . . . . . . . . . . . . . . . . 19 ⊢ 𝐾 = (◡𝐹 “ { 0 })
46	44, 45	sseqtrdi 3973	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → 𝑁 ⊆ (◡𝐹 “ { 0 }))
47	46	adantr 480	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → 𝑁 ⊆ (◡𝐹 “ { 0 }))
48	20	subgss 19032	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑁 ∈ (SubGrp‘𝐺) → 𝑁 ⊆ (Base‘𝐺))
49	25, 26, 48	3syl 18	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → 𝑁 ⊆ (Base‘𝐺))
50	49	adantr 480	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → 𝑁 ⊆ (Base‘𝐺))
51		vex 3438	. . . . . . . . . . . . . . . . . . . . 21 ⊢ 𝑧 ∈ V
52		elecg 8661	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝑧 ∈ V ∧ 𝑋 ∈ (Base‘𝐺)) → (𝑧 ∈ [𝑋](𝐺 ~QG 𝑁) ↔ 𝑋(𝐺 ~QG 𝑁)𝑧))
53	51, 52	mpan 690	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑋 ∈ (Base‘𝐺) → (𝑧 ∈ [𝑋](𝐺 ~QG 𝑁) ↔ 𝑋(𝐺 ~QG 𝑁)𝑧))
54	53	biimpa 476	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑋 ∈ (Base‘𝐺) ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → 𝑋(𝐺 ~QG 𝑁)𝑧)
55	4, 54	sylan 580	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → 𝑋(𝐺 ~QG 𝑁)𝑧)
56	20, 34, 39, 27	eqgval 19082	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝐺 ∈ Grp ∧ 𝑁 ⊆ (Base‘𝐺)) → (𝑋(𝐺 ~QG 𝑁)𝑧 ↔ (𝑋 ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺) ∧ (((invg‘𝐺)‘𝑋)(+g‘𝐺)𝑧) ∈ 𝑁)))
57	56	biimpa 476	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝐺 ∈ Grp ∧ 𝑁 ⊆ (Base‘𝐺)) ∧ 𝑋(𝐺 ~QG 𝑁)𝑧) → (𝑋 ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺) ∧ (((invg‘𝐺)‘𝑋)(+g‘𝐺)𝑧) ∈ 𝑁))
58	57	simp3d 1144	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝐺 ∈ Grp ∧ 𝑁 ⊆ (Base‘𝐺)) ∧ 𝑋(𝐺 ~QG 𝑁)𝑧) → (((invg‘𝐺)‘𝑋)(+g‘𝐺)𝑧) ∈ 𝑁)
59	35, 50, 55, 58	syl21anc 837	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → (((invg‘𝐺)‘𝑋)(+g‘𝐺)𝑧) ∈ 𝑁)
60	47, 59	sseldd 3933	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → (((invg‘𝐺)‘𝑋)(+g‘𝐺)𝑧) ∈ (◡𝐹 “ { 0 }))
61		fniniseg 6988	. . . . . . . . . . . . . . . . 17 ⊢ (𝐹 Fn (Base‘𝐺) → ((((invg‘𝐺)‘𝑋)(+g‘𝐺)𝑧) ∈ (◡𝐹 “ { 0 }) ↔ ((((invg‘𝐺)‘𝑋)(+g‘𝐺)𝑧) ∈ (Base‘𝐺) ∧ (𝐹‘(((invg‘𝐺)‘𝑋)(+g‘𝐺)𝑧)) = 0 )))
62	61	biimpa 476	. . . . . . . . . . . . . . . 16 ⊢ ((𝐹 Fn (Base‘𝐺) ∧ (((invg‘𝐺)‘𝑋)(+g‘𝐺)𝑧) ∈ (◡𝐹 “ { 0 })) → ((((invg‘𝐺)‘𝑋)(+g‘𝐺)𝑧) ∈ (Base‘𝐺) ∧ (𝐹‘(((invg‘𝐺)‘𝑋)(+g‘𝐺)𝑧)) = 0 ))
63	43, 60, 62	syl2anc 584	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → ((((invg‘𝐺)‘𝑋)(+g‘𝐺)𝑧) ∈ (Base‘𝐺) ∧ (𝐹‘(((invg‘𝐺)‘𝑋)(+g‘𝐺)𝑧)) = 0 ))
64	63	simprd 495	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → (𝐹‘(((invg‘𝐺)‘𝑋)(+g‘𝐺)𝑧)) = 0 )
65	42, 64	eqtr3d 2767	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → ((𝐹‘((invg‘𝐺)‘𝑋))(+g‘𝐻)(𝐹‘𝑧)) = 0 )
66	65	oveq2d 7357	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → ((𝐹‘𝑋)(+g‘𝐻)((𝐹‘((invg‘𝐺)‘𝑋))(+g‘𝐻)(𝐹‘𝑧))) = ((𝐹‘𝑋)(+g‘𝐻) 0 ))
67		eqid 2730	. . . . . . . . . . . . . . . . 17 ⊢ (invg‘𝐻) = (invg‘𝐻)
68	20, 34, 67	ghminv 19128	. . . . . . . . . . . . . . . 16 ⊢ ((𝐹 ∈ (𝐺 GrpHom 𝐻) ∧ 𝑋 ∈ (Base‘𝐺)) → (𝐹‘((invg‘𝐺)‘𝑋)) = ((invg‘𝐻)‘(𝐹‘𝑋)))
69	33, 36, 68	syl2anc 584	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → (𝐹‘((invg‘𝐺)‘𝑋)) = ((invg‘𝐻)‘(𝐹‘𝑋)))
70	69	oveq1d 7356	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → ((𝐹‘((invg‘𝐺)‘𝑋))(+g‘𝐻)(𝐹‘𝑧)) = (((invg‘𝐻)‘(𝐹‘𝑋))(+g‘𝐻)(𝐹‘𝑧)))
71	70	oveq2d 7357	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → ((𝐹‘𝑋)(+g‘𝐻)((𝐹‘((invg‘𝐺)‘𝑋))(+g‘𝐻)(𝐹‘𝑧))) = ((𝐹‘𝑋)(+g‘𝐻)(((invg‘𝐻)‘(𝐹‘𝑋))(+g‘𝐻)(𝐹‘𝑧))))
72		ghmgrp2 19124	. . . . . . . . . . . . . . 15 ⊢ (𝐹 ∈ (𝐺 GrpHom 𝐻) → 𝐻 ∈ Grp)
73	33, 72	syl 17	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → 𝐻 ∈ Grp)
74	33, 22	syl 17	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → 𝐹:(Base‘𝐺)⟶(Base‘𝐻))
75	74, 36	ffvelcdmd 7013	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → (𝐹‘𝑋) ∈ (Base‘𝐻))
76	74, 38	ffvelcdmd 7013	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → (𝐹‘𝑧) ∈ (Base‘𝐻))
77	21, 40, 67	grpasscan1 18906	. . . . . . . . . . . . . 14 ⊢ ((𝐻 ∈ Grp ∧ (𝐹‘𝑋) ∈ (Base‘𝐻) ∧ (𝐹‘𝑧) ∈ (Base‘𝐻)) → ((𝐹‘𝑋)(+g‘𝐻)(((invg‘𝐻)‘(𝐹‘𝑋))(+g‘𝐻)(𝐹‘𝑧))) = (𝐹‘𝑧))
78	73, 75, 76, 77	syl3anc 1373	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → ((𝐹‘𝑋)(+g‘𝐻)(((invg‘𝐻)‘(𝐹‘𝑋))(+g‘𝐻)(𝐹‘𝑧))) = (𝐹‘𝑧))
79	71, 78	eqtrd 2765	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → ((𝐹‘𝑋)(+g‘𝐻)((𝐹‘((invg‘𝐺)‘𝑋))(+g‘𝐻)(𝐹‘𝑧))) = (𝐹‘𝑧))
80		ghmqusnsg.0	. . . . . . . . . . . . 13 ⊢ 0 = (0g‘𝐻)
81	21, 40, 80, 73, 75	grpridd 18875	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → ((𝐹‘𝑋)(+g‘𝐻) 0 ) = (𝐹‘𝑋))
82	66, 79, 81	3eqtr3d 2773	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) → (𝐹‘𝑧) = (𝐹‘𝑋))
83	82	adantr 480	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) ∧ (𝐹‘𝑧) = 𝑦) → (𝐹‘𝑧) = (𝐹‘𝑋))
84	32, 83	eqtr3d 2767	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑧 ∈ [𝑋](𝐺 ~QG 𝑁)) ∧ (𝐹‘𝑧) = 𝑦) → 𝑦 = (𝐹‘𝑋))
85	84	r19.29an 3134	. . . . . . . 8 ⊢ ((𝜑 ∧ ∃𝑧 ∈ [ 𝑋](𝐺 ~QG 𝑁)(𝐹‘𝑧) = 𝑦) → 𝑦 = (𝐹‘𝑋))
86		fveqeq2 6826	. . . . . . . . 9 ⊢ (𝑧 = 𝑋 → ((𝐹‘𝑧) = 𝑦 ↔ (𝐹‘𝑋) = 𝑦))
87		ecref 8662	. . . . . . . . . . 11 ⊢ (((𝐺 ~QG 𝑁) Er (Base‘𝐺) ∧ 𝑋 ∈ (Base‘𝐺)) → 𝑋 ∈ [𝑋](𝐺 ~QG 𝑁))
88	29, 4, 87	syl2anc 584	. . . . . . . . . 10 ⊢ (𝜑 → 𝑋 ∈ [𝑋](𝐺 ~QG 𝑁))
89	88	adantr 480	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑦 = (𝐹‘𝑋)) → 𝑋 ∈ [𝑋](𝐺 ~QG 𝑁))
90		simpr 484	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑦 = (𝐹‘𝑋)) → 𝑦 = (𝐹‘𝑋))
91	90	eqcomd 2736	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑦 = (𝐹‘𝑋)) → (𝐹‘𝑋) = 𝑦)
92	86, 89, 91	rspcedvdw 3578	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑦 = (𝐹‘𝑋)) → ∃𝑧 ∈ [ 𝑋](𝐺 ~QG 𝑁)(𝐹‘𝑧) = 𝑦)
93	85, 92	impbida 800	. . . . . . 7 ⊢ (𝜑 → (∃𝑧 ∈ [ 𝑋](𝐺 ~QG 𝑁)(𝐹‘𝑧) = 𝑦 ↔ 𝑦 = (𝐹‘𝑋)))
94		velsn 4590	. . . . . . 7 ⊢ (𝑦 ∈ {(𝐹‘𝑋)} ↔ 𝑦 = (𝐹‘𝑋))
95	93, 94	bitr4di 289	. . . . . 6 ⊢ (𝜑 → (∃𝑧 ∈ [ 𝑋](𝐺 ~QG 𝑁)(𝐹‘𝑧) = 𝑦 ↔ 𝑦 ∈ {(𝐹‘𝑋)}))
96	31, 95	bitrd 279	. . . . 5 ⊢ (𝜑 → (𝑦 ∈ (𝐹 “ [𝑋](𝐺 ~QG 𝑁)) ↔ 𝑦 ∈ {(𝐹‘𝑋)}))
97	96	eqrdv 2728	. . . 4 ⊢ (𝜑 → (𝐹 “ [𝑋](𝐺 ~QG 𝑁)) = {(𝐹‘𝑋)})
98	97	unieqd 4870	. . 3 ⊢ (𝜑 → ∪ (𝐹 “ [𝑋](𝐺 ~QG 𝑁)) = ∪ {(𝐹‘𝑋)})
99		fvex 6830	. . . 4 ⊢ (𝐹‘𝑋) ∈ V
100	99	unisn 4876	. . 3 ⊢ ∪ {(𝐹‘𝑋)} = (𝐹‘𝑋)
101	98, 100	eqtrdi 2781	. 2 ⊢ (𝜑 → ∪ (𝐹 “ [𝑋](𝐺 ~QG 𝑁)) = (𝐹‘𝑋))
102	19, 101	eqtrd 2765	1 ⊢ (𝜑 → (𝐽‘[𝑋](𝐺 ~QG 𝑁)) = (𝐹‘𝑋))

Syntax hints:   → wi 4   ↔ wb 206   ∧ wa 395   ∧ w3a 1086   = wceq 1541   ∈ wcel 2110  ∃wrex 3054  Vcvv 3434   ⊆ wss 3900  {csn 4574  ∪ cuni 4857   class class class wbr 5089   ↦ cmpt 5170  ^◡ccnv 5613   “ cima 5617   Fn wfn 6472  ⟶wf 6473  ‘cfv 6477  (class class class)co 7341   Er wer 8614  [cec 8615   / cqs 8616  Basecbs 17112  +_gcplusg 17153  0_gc0g 17335   /_s cqus 17401  Grpcgrp 18838  inv_gcminusg 18839  SubGrpcsubg 19025  NrmSGrpcnsg 19026   ~_QG cqg 19027   GrpHom cghm 19117

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 1911  ax-6 1968  ax-7 2009  ax-8 2112  ax-9 2120  ax-10 2143  ax-11 2159  ax-12 2179  ax-ext 2702  ax-rep 5215  ax-sep 5232  ax-nul 5242  ax-pow 5301  ax-pr 5368  ax-un 7663  ax-cnex 11054  ax-resscn 11055  ax-1cn 11056  ax-icn 11057  ax-addcl 11058  ax-addrcl 11059  ax-mulcl 11060  ax-mulrcl 11061  ax-mulcom 11062  ax-addass 11063  ax-mulass 11064  ax-distr 11065  ax-i2m1 11066  ax-1ne0 11067  ax-1rid 11068  ax-rnegex 11069  ax-rrecex 11070  ax-cnre 11071  ax-pre-lttri 11072  ax-pre-lttrn 11073  ax-pre-ltadd 11074  ax-pre-mulgt0 11075

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2067  df-mo 2534  df-eu 2563  df-clab 2709  df-cleq 2722  df-clel 2804  df-nfc 2879  df-ne 2927  df-nel 3031  df-ral 3046  df-rex 3055  df-rmo 3344  df-reu 3345  df-rab 3394  df-v 3436  df-sbc 3740  df-csb 3849  df-dif 3903  df-un 3905  df-in 3907  df-ss 3917  df-pss 3920  df-nul 4282  df-if 4474  df-pw 4550  df-sn 4575  df-pr 4577  df-tp 4579  df-op 4581  df-uni 4858  df-iun 4941  df-br 5090  df-opab 5152  df-mpt 5171  df-tr 5197  df-id 5509  df-eprel 5514  df-po 5522  df-so 5523  df-fr 5567  df-we 5569  df-xp 5620  df-rel 5621  df-cnv 5622  df-co 5623  df-dm 5624  df-rn 5625  df-res 5626  df-ima 5627  df-pred 6244  df-ord 6305  df-on 6306  df-lim 6307  df-suc 6308  df-iota 6433  df-fun 6479  df-fn 6480  df-f 6481  df-f1 6482  df-fo 6483  df-f1o 6484  df-fv 6485  df-riota 7298  df-ov 7344  df-oprab 7345  df-mpo 7346  df-om 7792  df-1st 7916  df-2nd 7917  df-frecs 8206  df-wrecs 8237  df-recs 8286  df-rdg 8324  df-1o 8380  df-er 8617  df-ec 8619  df-qs 8623  df-map 8747  df-en 8865  df-dom 8866  df-sdom 8867  df-fin 8868  df-sup 9321  df-inf 9322  df-pnf 11140  df-mnf 11141  df-xr 11142  df-ltxr 11143  df-le 11144  df-sub 11338  df-neg 11339  df-nn 12118  df-2 12180  df-3 12181  df-4 12182  df-5 12183  df-6 12184  df-7 12185  df-8 12186  df-9 12187  df-n0 12374  df-z 12461  df-dec 12581  df-uz 12725  df-fz 13400  df-struct 17050  df-sets 17067  df-slot 17085  df-ndx 17097  df-base 17113  df-ress 17134  df-plusg 17166  df-mulr 17167  df-sca 17169  df-vsca 17170  df-ip 17171  df-tset 17172  df-ple 17173  df-ds 17175  df-0g 17337  df-imas 17404  df-qus 17405  df-mgm 18540  df-sgrp 18619  df-mnd 18635  df-grp 18841  df-minusg 18842  df-subg 19028  df-nsg 19029  df-eqg 19030  df-ghm 19118

This theorem is referenced by:  ghmqusnsglem2  19186  ghmqusnsg  19187  rhmqusnsg  21215  rhmqusspan  42197