nsgqusf1olem3 - Mathbox for Thierry Arnoux

	Mathbox for Thierry Arnoux		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > Mathboxes > nsgqusf1olem3		Structured version Visualization version GIF version

Theorem nsgqusf1olem3 33408

Description: Lemma for nsgqusf1o 33409. (Contributed by Thierry Arnoux, 4-Aug-2024.)

**Hypotheses**
Ref	Expression
nsgqusf1o.b	⊢ 𝐵 = (Base‘𝐺)
nsgqusf1o.s	⊢ 𝑆 = {ℎ ∈ (SubGrp‘𝐺) ∣ 𝑁 ⊆ ℎ}
nsgqusf1o.t	⊢ 𝑇 = (SubGrp‘𝑄)
nsgqusf1o.1	⊢ ≤ = (le‘(toInc‘𝑆))
nsgqusf1o.2	⊢ ≲ = (le‘(toInc‘𝑇))
nsgqusf1o.q	⊢ 𝑄 = (𝐺 /_s (𝐺 ~_QG 𝑁))
nsgqusf1o.p	⊢ ⊕ = (LSSum‘𝐺)
nsgqusf1o.e	⊢ 𝐸 = (ℎ ∈ 𝑆 ↦ ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁)))
nsgqusf1o.f	⊢ 𝐹 = (𝑓 ∈ 𝑇 ↦ {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓})
nsgqusf1o.n	⊢ (𝜑 → 𝑁 ∈ (NrmSGrp‘𝐺))

**Assertion**
Ref	Expression
nsgqusf1olem3	⊢ (𝜑 → ran 𝐹 = 𝑆)

Distinct variable groups: ⊕ ,𝑎,𝑓,ℎ,𝑥 𝐵,𝑎,𝑓,ℎ,𝑥 𝐸,𝑎,𝑓,ℎ,𝑥 𝑓,𝐹,ℎ,𝑥 𝐺,𝑎,𝑓,ℎ,𝑥 𝑁,𝑎,𝑓,ℎ,𝑥 𝑄,𝑎,𝑓,ℎ,𝑥 𝑆,𝑎,𝑓,ℎ,𝑥 𝑇,𝑎,𝑓,ℎ,𝑥 𝜑,𝑎,𝑓,ℎ,𝑥 Allowed substitution hints: 𝐹(𝑎) ≤ (𝑥,𝑓,ℎ,𝑎) ≲ (𝑥,𝑓,ℎ,𝑎)

**Proof of Theorem nsgqusf1olem3**
Step	Hyp	Ref	Expression
1		nsgqusf1o.f	. . . . 5 ⊢ 𝐹 = (𝑓 ∈ 𝑇 ↦ {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓})
2	1	elrnmpt 5981	. . . 4 ⊢ (ℎ ∈ V → (ℎ ∈ ran 𝐹 ↔ ∃𝑓 ∈ 𝑇 ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓}))
3	2	elv 3493	. . 3 ⊢ (ℎ ∈ ran 𝐹 ↔ ∃𝑓 ∈ 𝑇 ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓})
4		nsgqusf1o.s	. . . . 5 ⊢ 𝑆 = {ℎ ∈ (SubGrp‘𝐺) ∣ 𝑁 ⊆ ℎ}
5	4	reqabi 3467	. . . 4 ⊢ (ℎ ∈ 𝑆 ↔ (ℎ ∈ (SubGrp‘𝐺) ∧ 𝑁 ⊆ ℎ))
6		nsgqusf1o.b	. . . . . . . 8 ⊢ 𝐵 = (Base‘𝐺)
7		nsgqusf1o.t	. . . . . . . 8 ⊢ 𝑇 = (SubGrp‘𝑄)
8		nsgqusf1o.1	. . . . . . . 8 ⊢ ≤ = (le‘(toInc‘𝑆))
9		nsgqusf1o.2	. . . . . . . 8 ⊢ ≲ = (le‘(toInc‘𝑇))
10		nsgqusf1o.q	. . . . . . . 8 ⊢ 𝑄 = (𝐺 /_s (𝐺 ~_QG 𝑁))
11		nsgqusf1o.p	. . . . . . . 8 ⊢ ⊕ = (LSSum‘𝐺)
12		nsgqusf1o.e	. . . . . . . 8 ⊢ 𝐸 = (ℎ ∈ 𝑆 ↦ ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁)))
13		nsgqusf1o.n	. . . . . . . 8 ⊢ (𝜑 → 𝑁 ∈ (NrmSGrp‘𝐺))
14	6, 4, 7, 8, 9, 10, 11, 12, 1, 13	nsgqusf1olem1 33406	. . . . . . 7 ⊢ (((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) → ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁)) ∈ 𝑇)
15		eleq2 2833	. . . . . . . . . 10 ⊢ (𝑓 = ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁)) → (({𝑎} ⊕ 𝑁) ∈ 𝑓 ↔ ({𝑎} ⊕ 𝑁) ∈ ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁))))
16	15	rabbidv 3451	. . . . . . . . 9 ⊢ (𝑓 = ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁)) → {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓} = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁))})
17	16	eqeq2d 2751	. . . . . . . 8 ⊢ (𝑓 = ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁)) → (ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓} ↔ ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁))}))
18	17	adantl 481	. . . . . . 7 ⊢ ((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑓 = ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁))) → (ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓} ↔ ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁))}))
19		nfv 1913	. . . . . . . . . . . 12 ⊢ Ⅎ𝑥(((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵)
20		nfmpt1 5274	. . . . . . . . . . . . . 14 ⊢ Ⅎ𝑥(𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁))
21	20	nfrn 5977	. . . . . . . . . . . . 13 ⊢ Ⅎ𝑥ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁))
22	21	nfel2 2927	. . . . . . . . . . . 12 ⊢ Ⅎ𝑥({𝑎} ⊕ 𝑁) ∈ ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁))
23	19, 22	nfan 1898	. . . . . . . . . . 11 ⊢ Ⅎ𝑥((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ ({𝑎} ⊕ 𝑁) ∈ ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁)))
24		nsgsubg 19198	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑁 ∈ (NrmSGrp‘𝐺) → 𝑁 ∈ (SubGrp‘𝐺))
25	13, 24	syl 17	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 𝑁 ∈ (SubGrp‘𝐺))
26		subgrcl 19171	. . . . . . . . . . . . . . . . 17 ⊢ (𝑁 ∈ (SubGrp‘𝐺) → 𝐺 ∈ Grp)
27	25, 26	syl 17	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 𝐺 ∈ Grp)
28	27	ad4antr 731	. . . . . . . . . . . . . . 15 ⊢ (((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) → 𝐺 ∈ Grp)
29	28	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) ∧ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)) → 𝐺 ∈ Grp)
30	6	subgss 19167	. . . . . . . . . . . . . . . . 17 ⊢ (ℎ ∈ (SubGrp‘𝐺) → ℎ ⊆ 𝐵)
31	30	ad3antlr 730	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) → ℎ ⊆ 𝐵)
32	31	sselda 4008	. . . . . . . . . . . . . . 15 ⊢ (((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) → 𝑥 ∈ 𝐵)
33	32	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) ∧ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)) → 𝑥 ∈ 𝐵)
34		simplr 768	. . . . . . . . . . . . . . 15 ⊢ (((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) → 𝑎 ∈ 𝐵)
35	34	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) ∧ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)) → 𝑎 ∈ 𝐵)
36		eqid 2740	. . . . . . . . . . . . . . 15 ⊢ (+_g‘𝐺) = (+_g‘𝐺)
37		eqid 2740	. . . . . . . . . . . . . . 15 ⊢ (inv_g‘𝐺) = (inv_g‘𝐺)
38	6, 36, 37	grpasscan1 19041	. . . . . . . . . . . . . 14 ⊢ ((𝐺 ∈ Grp ∧ 𝑥 ∈ 𝐵 ∧ 𝑎 ∈ 𝐵) → (𝑥(+_g‘𝐺)(((inv_g‘𝐺)‘𝑥)(+_g‘𝐺)𝑎)) = 𝑎)
39	29, 33, 35, 38	syl3anc 1371	. . . . . . . . . . . . 13 ⊢ ((((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) ∧ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)) → (𝑥(+_g‘𝐺)(((inv_g‘𝐺)‘𝑥)(+_g‘𝐺)𝑎)) = 𝑎)
40		simp-5r 785	. . . . . . . . . . . . . 14 ⊢ ((((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) ∧ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)) → ℎ ∈ (SubGrp‘𝐺))
41		simplr 768	. . . . . . . . . . . . . 14 ⊢ ((((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) ∧ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)) → 𝑥 ∈ ℎ)
42		simp-4r 783	. . . . . . . . . . . . . . 15 ⊢ ((((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) ∧ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)) → 𝑁 ⊆ ℎ)
43	6	subgss 19167	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑁 ∈ (SubGrp‘𝐺) → 𝑁 ⊆ 𝐵)
44	25, 43	syl 17	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 𝑁 ⊆ 𝐵)
45	44	ad5antr 733	. . . . . . . . . . . . . . . 16 ⊢ ((((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) ∧ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)) → 𝑁 ⊆ 𝐵)
46		eqid 2740	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝐺 ~_QG 𝑁) = (𝐺 ~_QG 𝑁)
47	6, 46	eqger 19218	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑁 ∈ (SubGrp‘𝐺) → (𝐺 ~_QG 𝑁) Er 𝐵)
48	25, 47	syl 17	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → (𝐺 ~_QG 𝑁) Er 𝐵)
49	48	ad4antr 731	. . . . . . . . . . . . . . . . . 18 ⊢ (((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) → (𝐺 ~_QG 𝑁) Er 𝐵)
50	49	adantr 480	. . . . . . . . . . . . . . . . 17 ⊢ ((((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) ∧ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)) → (𝐺 ~_QG 𝑁) Er 𝐵)
51	49, 34	erth 8814	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) → (𝑎(𝐺 ~_QG 𝑁)𝑥 ↔ [𝑎](𝐺 ~_QG 𝑁) = [𝑥](𝐺 ~_QG 𝑁)))
52	25	ad4antr 731	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) → 𝑁 ∈ (SubGrp‘𝐺))
53	6, 11, 52, 34	quslsm 33398	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) → [𝑎](𝐺 ~_QG 𝑁) = ({𝑎} ⊕ 𝑁))
54	6, 11, 52, 32	quslsm 33398	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) → [𝑥](𝐺 ~_QG 𝑁) = ({𝑥} ⊕ 𝑁))
55	53, 54	eqeq12d 2756	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) → ([𝑎](𝐺 ~_QG 𝑁) = [𝑥](𝐺 ~_QG 𝑁) ↔ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)))
56	51, 55	bitrd 279	. . . . . . . . . . . . . . . . . 18 ⊢ (((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) → (𝑎(𝐺 ~_QG 𝑁)𝑥 ↔ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)))
57	56	biimpar 477	. . . . . . . . . . . . . . . . 17 ⊢ ((((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) ∧ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)) → 𝑎(𝐺 ~_QG 𝑁)𝑥)
58	50, 57	ersym 8775	. . . . . . . . . . . . . . . 16 ⊢ ((((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) ∧ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)) → 𝑥(𝐺 ~_QG 𝑁)𝑎)
59	6, 37, 36, 46	eqgval 19217	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝐺 ∈ Grp ∧ 𝑁 ⊆ 𝐵) → (𝑥(𝐺 ~_QG 𝑁)𝑎 ↔ (𝑥 ∈ 𝐵 ∧ 𝑎 ∈ 𝐵 ∧ (((inv_g‘𝐺)‘𝑥)(+_g‘𝐺)𝑎) ∈ 𝑁)))
60	59	biimpa 476	. . . . . . . . . . . . . . . . 17 ⊢ (((𝐺 ∈ Grp ∧ 𝑁 ⊆ 𝐵) ∧ 𝑥(𝐺 ~_QG 𝑁)𝑎) → (𝑥 ∈ 𝐵 ∧ 𝑎 ∈ 𝐵 ∧ (((inv_g‘𝐺)‘𝑥)(+_g‘𝐺)𝑎) ∈ 𝑁))
61	60	simp3d 1144	. . . . . . . . . . . . . . . 16 ⊢ (((𝐺 ∈ Grp ∧ 𝑁 ⊆ 𝐵) ∧ 𝑥(𝐺 ~_QG 𝑁)𝑎) → (((inv_g‘𝐺)‘𝑥)(+_g‘𝐺)𝑎) ∈ 𝑁)
62	29, 45, 58, 61	syl21anc 837	. . . . . . . . . . . . . . 15 ⊢ ((((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) ∧ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)) → (((inv_g‘𝐺)‘𝑥)(+_g‘𝐺)𝑎) ∈ 𝑁)
63	42, 62	sseldd 4009	. . . . . . . . . . . . . 14 ⊢ ((((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) ∧ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)) → (((inv_g‘𝐺)‘𝑥)(+_g‘𝐺)𝑎) ∈ ℎ)
64	36	subgcl 19176	. . . . . . . . . . . . . 14 ⊢ ((ℎ ∈ (SubGrp‘𝐺) ∧ 𝑥 ∈ ℎ ∧ (((inv_g‘𝐺)‘𝑥)(+_g‘𝐺)𝑎) ∈ ℎ) → (𝑥(+_g‘𝐺)(((inv_g‘𝐺)‘𝑥)(+_g‘𝐺)𝑎)) ∈ ℎ)
65	40, 41, 63, 64	syl3anc 1371	. . . . . . . . . . . . 13 ⊢ ((((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) ∧ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)) → (𝑥(+_g‘𝐺)(((inv_g‘𝐺)‘𝑥)(+_g‘𝐺)𝑎)) ∈ ℎ)
66	39, 65	eqeltrrd 2845	. . . . . . . . . . . 12 ⊢ ((((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑥 ∈ ℎ) ∧ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)) → 𝑎 ∈ ℎ)
67	66	adantllr 718	. . . . . . . . . . 11 ⊢ (((((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ ({𝑎} ⊕ 𝑁) ∈ ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁))) ∧ 𝑥 ∈ ℎ) ∧ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁)) → 𝑎 ∈ ℎ)
68		eqid 2740	. . . . . . . . . . . . . 14 ⊢ (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁)) = (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁))
69		ovex 7481	. . . . . . . . . . . . . 14 ⊢ ({𝑥} ⊕ 𝑁) ∈ V
70	68, 69	elrnmpti 5985	. . . . . . . . . . . . 13 ⊢ (({𝑎} ⊕ 𝑁) ∈ ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁)) ↔ ∃𝑥 ∈ ℎ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁))
71	70	biimpi 216	. . . . . . . . . . . 12 ⊢ (({𝑎} ⊕ 𝑁) ∈ ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁)) → ∃𝑥 ∈ ℎ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁))
72	71	adantl 481	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ ({𝑎} ⊕ 𝑁) ∈ ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁))) → ∃𝑥 ∈ ℎ ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁))
73	23, 67, 72	r19.29af 3274	. . . . . . . . . 10 ⊢ (((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ ({𝑎} ⊕ 𝑁) ∈ ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁))) → 𝑎 ∈ ℎ)
74		simpr 484	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑎 ∈ ℎ) → 𝑎 ∈ ℎ)
75		ovexd 7483	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑎 ∈ ℎ) → ({𝑎} ⊕ 𝑁) ∈ V)
76		sneq 4658	. . . . . . . . . . . . . 14 ⊢ (𝑥 = 𝑎 → {𝑥} = {𝑎})
77	76	oveq1d 7463	. . . . . . . . . . . . 13 ⊢ (𝑥 = 𝑎 → ({𝑥} ⊕ 𝑁) = ({𝑎} ⊕ 𝑁))
78	77	eqcomd 2746	. . . . . . . . . . . 12 ⊢ (𝑥 = 𝑎 → ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁))
79	78	adantl 481	. . . . . . . . . . 11 ⊢ ((((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑎 ∈ ℎ) ∧ 𝑥 = 𝑎) → ({𝑎} ⊕ 𝑁) = ({𝑥} ⊕ 𝑁))
80	68, 74, 75, 79	elrnmptdv 5988	. . . . . . . . . 10 ⊢ (((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) ∧ 𝑎 ∈ ℎ) → ({𝑎} ⊕ 𝑁) ∈ ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁)))
81	73, 80	impbida 800	. . . . . . . . 9 ⊢ ((((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) ∧ 𝑎 ∈ 𝐵) → (({𝑎} ⊕ 𝑁) ∈ ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁)) ↔ 𝑎 ∈ ℎ))
82	81	rabbidva 3450	. . . . . . . 8 ⊢ (((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) → {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁))} = {𝑎 ∈ 𝐵 ∣ 𝑎 ∈ ℎ})
83	30	adantl 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) → ℎ ⊆ 𝐵)
84		dfss7 4270	. . . . . . . . . 10 ⊢ (ℎ ⊆ 𝐵 ↔ {𝑎 ∈ 𝐵 ∣ 𝑎 ∈ ℎ} = ℎ)
85	83, 84	sylib 218	. . . . . . . . 9 ⊢ ((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) → {𝑎 ∈ 𝐵 ∣ 𝑎 ∈ ℎ} = ℎ)
86	85	adantr 480	. . . . . . . 8 ⊢ (((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) → {𝑎 ∈ 𝐵 ∣ 𝑎 ∈ ℎ} = ℎ)
87	82, 86	eqtr2d 2781	. . . . . . 7 ⊢ (((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) → ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ ran (𝑥 ∈ ℎ ↦ ({𝑥} ⊕ 𝑁))})
88	14, 18, 87	rspcedvd 3637	. . . . . 6 ⊢ (((𝜑 ∧ ℎ ∈ (SubGrp‘𝐺)) ∧ 𝑁 ⊆ ℎ) → ∃𝑓 ∈ 𝑇 ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓})
89	88	anasss 466	. . . . 5 ⊢ ((𝜑 ∧ (ℎ ∈ (SubGrp‘𝐺) ∧ 𝑁 ⊆ ℎ)) → ∃𝑓 ∈ 𝑇 ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓})
90	13	adantr 480	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑓 ∈ 𝑇) → 𝑁 ∈ (NrmSGrp‘𝐺))
91	7	eleq2i 2836	. . . . . . . . . . . 12 ⊢ (𝑓 ∈ 𝑇 ↔ 𝑓 ∈ (SubGrp‘𝑄))
92	91	biimpi 216	. . . . . . . . . . 11 ⊢ (𝑓 ∈ 𝑇 → 𝑓 ∈ (SubGrp‘𝑄))
93	92	adantl 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑓 ∈ 𝑇) → 𝑓 ∈ (SubGrp‘𝑄))
94	6, 10, 11, 90, 93	nsgmgclem 33404	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑓 ∈ 𝑇) → {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓} ∈ (SubGrp‘𝐺))
95	94	adantr 480	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑓 ∈ 𝑇) ∧ ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓}) → {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓} ∈ (SubGrp‘𝐺))
96		eleq1 2832	. . . . . . . . 9 ⊢ (ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓} → (ℎ ∈ (SubGrp‘𝐺) ↔ {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓} ∈ (SubGrp‘𝐺)))
97	96	adantl 481	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑓 ∈ 𝑇) ∧ ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓}) → (ℎ ∈ (SubGrp‘𝐺) ↔ {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓} ∈ (SubGrp‘𝐺)))
98	95, 97	mpbird 257	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑓 ∈ 𝑇) ∧ ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓}) → ℎ ∈ (SubGrp‘𝐺))
99	44	adantr 480	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑓 ∈ 𝑇) → 𝑁 ⊆ 𝐵)
100	25	ad2antrr 725	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ 𝑇) ∧ 𝑎 ∈ 𝑁) → 𝑁 ∈ (SubGrp‘𝐺))
101		simpr 484	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ 𝑇) ∧ 𝑎 ∈ 𝑁) → 𝑎 ∈ 𝑁)
102	11	grplsmid 33397	. . . . . . . . . . . 12 ⊢ ((𝑁 ∈ (SubGrp‘𝐺) ∧ 𝑎 ∈ 𝑁) → ({𝑎} ⊕ 𝑁) = 𝑁)
103	100, 101, 102	syl2anc 583	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑓 ∈ 𝑇) ∧ 𝑎 ∈ 𝑁) → ({𝑎} ⊕ 𝑁) = 𝑁)
104	10	nsgqus0 33403	. . . . . . . . . . . . 13 ⊢ ((𝑁 ∈ (NrmSGrp‘𝐺) ∧ 𝑓 ∈ (SubGrp‘𝑄)) → 𝑁 ∈ 𝑓)
105	90, 93, 104	syl2anc 583	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑓 ∈ 𝑇) → 𝑁 ∈ 𝑓)
106	105	adantr 480	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑓 ∈ 𝑇) ∧ 𝑎 ∈ 𝑁) → 𝑁 ∈ 𝑓)
107	103, 106	eqeltrd 2844	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑓 ∈ 𝑇) ∧ 𝑎 ∈ 𝑁) → ({𝑎} ⊕ 𝑁) ∈ 𝑓)
108	99, 107	ssrabdv 4097	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑓 ∈ 𝑇) → 𝑁 ⊆ {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓})
109	108	adantr 480	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑓 ∈ 𝑇) ∧ ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓}) → 𝑁 ⊆ {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓})
110		simpr 484	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑓 ∈ 𝑇) ∧ ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓}) → ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓})
111	109, 110	sseqtrrd 4050	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑓 ∈ 𝑇) ∧ ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓}) → 𝑁 ⊆ ℎ)
112	98, 111	jca 511	. . . . . 6 ⊢ (((𝜑 ∧ 𝑓 ∈ 𝑇) ∧ ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓}) → (ℎ ∈ (SubGrp‘𝐺) ∧ 𝑁 ⊆ ℎ))
113	112	r19.29an 3164	. . . . 5 ⊢ ((𝜑 ∧ ∃𝑓 ∈ 𝑇 ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓}) → (ℎ ∈ (SubGrp‘𝐺) ∧ 𝑁 ⊆ ℎ))
114	89, 113	impbida 800	. . . 4 ⊢ (𝜑 → ((ℎ ∈ (SubGrp‘𝐺) ∧ 𝑁 ⊆ ℎ) ↔ ∃𝑓 ∈ 𝑇 ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓}))
115	5, 114	bitrid 283	. . 3 ⊢ (𝜑 → (ℎ ∈ 𝑆 ↔ ∃𝑓 ∈ 𝑇 ℎ = {𝑎 ∈ 𝐵 ∣ ({𝑎} ⊕ 𝑁) ∈ 𝑓}))
116	3, 115	bitr4id 290	. 2 ⊢ (𝜑 → (ℎ ∈ ran 𝐹 ↔ ℎ ∈ 𝑆))
117	116	eqrdv 2738	1 ⊢ (𝜑 → ran 𝐹 = 𝑆)

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 ∧ w3a 1087 = wceq 1537 ∈ wcel 2108 ∃wrex 3076 {crab 3443 Vcvv 3488 ⊆ wss 3976 {csn 4648 class class class wbr 5166 ↦ cmpt 5249 ran crn 5701 ‘cfv 6573 (class class class)co 7448 Er wer 8760 [cec 8761 Basecbs 17258 +_gcplusg 17311 lecple 17318 /_s cqus 17565 toInccipo 18597 Grpcgrp 18973 inv_gcminusg 18974 SubGrpcsubg 19160 NrmSGrpcnsg 19161 ~_QG cqg 19162 LSSumclsm 19676

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2158 ax-12 2178 ax-ext 2711 ax-rep 5303 ax-sep 5317 ax-nul 5324 ax-pow 5383 ax-pr 5447 ax-un 7770 ax-cnex 11240 ax-resscn 11241 ax-1cn 11242 ax-icn 11243 ax-addcl 11244 ax-addrcl 11245 ax-mulcl 11246 ax-mulrcl 11247 ax-mulcom 11248 ax-addass 11249 ax-mulass 11250 ax-distr 11251 ax-i2m1 11252 ax-1ne0 11253 ax-1rid 11254 ax-rnegex 11255 ax-rrecex 11256 ax-cnre 11257 ax-pre-lttri 11258 ax-pre-lttrn 11259 ax-pre-ltadd 11260 ax-pre-mulgt0 11261

This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3or 1088 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-nf 1782 df-sb 2065 df-mo 2543 df-eu 2572 df-clab 2718 df-cleq 2732 df-clel 2819 df-nfc 2895 df-ne 2947 df-nel 3053 df-ral 3068 df-rex 3077 df-rmo 3388 df-reu 3389 df-rab 3444 df-v 3490 df-sbc 3805 df-csb 3922 df-dif 3979 df-un 3981 df-in 3983 df-ss 3993 df-pss 3996 df-nul 4353 df-if 4549 df-pw 4624 df-sn 4649 df-pr 4651 df-tp 4653 df-op 4655 df-uni 4932 df-iun 5017 df-br 5167 df-opab 5229 df-mpt 5250 df-tr 5284 df-id 5593 df-eprel 5599 df-po 5607 df-so 5608 df-fr 5652 df-we 5654 df-xp 5706 df-rel 5707 df-cnv 5708 df-co 5709 df-dm 5710 df-rn 5711 df-res 5712 df-ima 5713 df-pred 6332 df-ord 6398 df-on 6399 df-lim 6400 df-suc 6401 df-iota 6525 df-fun 6575 df-fn 6576 df-f 6577 df-f1 6578 df-fo 6579 df-f1o 6580 df-fv 6581 df-riota 7404 df-ov 7451 df-oprab 7452 df-mpo 7453 df-om 7904 df-1st 8030 df-2nd 8031 df-tpos 8267 df-frecs 8322 df-wrecs 8353 df-recs 8427 df-rdg 8466 df-1o 8522 df-er 8763 df-ec 8765 df-qs 8769 df-en 9004 df-dom 9005 df-sdom 9006 df-fin 9007 df-sup 9511 df-inf 9512 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 df-sub 11522 df-neg 11523 df-nn 12294 df-2 12356 df-3 12357 df-4 12358 df-5 12359 df-6 12360 df-7 12361 df-8 12362 df-9 12363 df-n0 12554 df-z 12640 df-dec 12759 df-uz 12904 df-fz 13568 df-struct 17194 df-sets 17211 df-slot 17229 df-ndx 17241 df-base 17259 df-ress 17288 df-plusg 17324 df-mulr 17325 df-sca 17327 df-vsca 17328 df-ip 17329 df-tset 17330 df-ple 17331 df-ds 17333 df-0g 17501 df-imas 17568 df-qus 17569 df-mgm 18678 df-sgrp 18757 df-mnd 18773 df-submnd 18819 df-grp 18976 df-minusg 18977 df-subg 19163 df-nsg 19164 df-eqg 19165 df-oppg 19386 df-lsm 19678

This theorem is referenced by: nsgqusf1o 33409

W3C validator