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Theorem pgpfac1lem5 19894

Description: Lemma for pgpfac1 19895. (Contributed by Mario Carneiro, 27-Apr-2016.)

**Hypotheses**
Ref	Expression
pgpfac1.k	⊢ 𝐾 = (mrCls‘(SubGrp‘𝐺))
pgpfac1.s	⊢ 𝑆 = (𝐾‘{𝐴})
pgpfac1.b	⊢ 𝐵 = (Base‘𝐺)
pgpfac1.o	⊢ 𝑂 = (od‘𝐺)
pgpfac1.e	⊢ 𝐸 = (gEx‘𝐺)
pgpfac1.z	⊢ 0 = (0_g‘𝐺)
pgpfac1.l	⊢ ⊕ = (LSSum‘𝐺)
pgpfac1.p	⊢ (𝜑 → 𝑃 pGrp 𝐺)
pgpfac1.g	⊢ (𝜑 → 𝐺 ∈ Abel)
pgpfac1.n	⊢ (𝜑 → 𝐵 ∈ Fin)
pgpfac1.oe	⊢ (𝜑 → (𝑂‘𝐴) = 𝐸)
pgpfac1.u	⊢ (𝜑 → 𝑈 ∈ (SubGrp‘𝐺))
pgpfac1.au	⊢ (𝜑 → 𝐴 ∈ 𝑈)
pgpfac1.3	⊢ (𝜑 → ∀𝑠 ∈ (SubGrp‘𝐺)((𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑠)))

**Assertion**
Ref	Expression
pgpfac1lem5	⊢ (𝜑 → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈))

Distinct variable groups: 𝑡,𝑠, 0 𝐴,𝑠,𝑡 ⊕ ,𝑠,𝑡 𝑃,𝑠,𝑡 𝐵,𝑠,𝑡 𝐺,𝑠,𝑡 𝑈,𝑠,𝑡 𝑆,𝑠,𝑡 𝜑,𝑠,𝑡 𝐾,𝑠,𝑡 Allowed substitution hints: 𝐸(𝑡,𝑠) 𝑂(𝑡,𝑠)

Proof of Theorem pgpfac1lem5 Dummy variables 𝑏 𝑢 𝑣 𝑦 𝑤 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		pgpfac1.n	. . . . . . . . . 10 ⊢ (𝜑 → 𝐵 ∈ Fin)
2		pwfi 9151	. . . . . . . . . 10 ⊢ (𝐵 ∈ Fin ↔ 𝒫 𝐵 ∈ Fin)
3	1, 2	sylib 217	. . . . . . . . 9 ⊢ (𝜑 → 𝒫 𝐵 ∈ Fin)
4	3	adantr 481	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑆 ⊊ 𝑈) → 𝒫 𝐵 ∈ Fin)
5		pgpfac1.b	. . . . . . . . . . . 12 ⊢ 𝐵 = (Base‘𝐺)
6	5	subgss 18965	. . . . . . . . . . 11 ⊢ (𝑣 ∈ (SubGrp‘𝐺) → 𝑣 ⊆ 𝐵)
7	6	3ad2ant2 1134	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑆 ⊊ 𝑈) ∧ 𝑣 ∈ (SubGrp‘𝐺) ∧ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)) → 𝑣 ⊆ 𝐵)
8		velpw 4592	. . . . . . . . . 10 ⊢ (𝑣 ∈ 𝒫 𝐵 ↔ 𝑣 ⊆ 𝐵)
9	7, 8	sylibr 233	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑆 ⊊ 𝑈) ∧ 𝑣 ∈ (SubGrp‘𝐺) ∧ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)) → 𝑣 ∈ 𝒫 𝐵)
10	9	rabssdv 4059	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑆 ⊊ 𝑈) → {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ⊆ 𝒫 𝐵)
11	4, 10	ssfid 9240	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑆 ⊊ 𝑈) → {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ∈ Fin)
12		finnum 9915	. . . . . . 7 ⊢ ({𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ∈ Fin → {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ∈ dom card)
13	11, 12	syl 17	. . . . . 6 ⊢ ((𝜑 ∧ 𝑆 ⊊ 𝑈) → {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ∈ dom card)
14		pgpfac1.s	. . . . . . . . . 10 ⊢ 𝑆 = (𝐾‘{𝐴})
15		pgpfac1.g	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐺 ∈ Abel)
16		ablgrp 19603	. . . . . . . . . . . . 13 ⊢ (𝐺 ∈ Abel → 𝐺 ∈ Grp)
17	15, 16	syl 17	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐺 ∈ Grp)
18	5	subgacs 18999	. . . . . . . . . . . 12 ⊢ (𝐺 ∈ Grp → (SubGrp‘𝐺) ∈ (ACS‘𝐵))
19		acsmre 17568	. . . . . . . . . . . 12 ⊢ ((SubGrp‘𝐺) ∈ (ACS‘𝐵) → (SubGrp‘𝐺) ∈ (Moore‘𝐵))
20	17, 18, 19	3syl 18	. . . . . . . . . . 11 ⊢ (𝜑 → (SubGrp‘𝐺) ∈ (Moore‘𝐵))
21		pgpfac1.u	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝑈 ∈ (SubGrp‘𝐺))
22	5	subgss 18965	. . . . . . . . . . . . 13 ⊢ (𝑈 ∈ (SubGrp‘𝐺) → 𝑈 ⊆ 𝐵)
23	21, 22	syl 17	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝑈 ⊆ 𝐵)
24		pgpfac1.au	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐴 ∈ 𝑈)
25	23, 24	sseldd 3970	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐴 ∈ 𝐵)
26		pgpfac1.k	. . . . . . . . . . . 12 ⊢ 𝐾 = (mrCls‘(SubGrp‘𝐺))
27	26	mrcsncl 17528	. . . . . . . . . . 11 ⊢ (((SubGrp‘𝐺) ∈ (Moore‘𝐵) ∧ 𝐴 ∈ 𝐵) → (𝐾‘{𝐴}) ∈ (SubGrp‘𝐺))
28	20, 25, 27	syl2anc 584	. . . . . . . . . 10 ⊢ (𝜑 → (𝐾‘{𝐴}) ∈ (SubGrp‘𝐺))
29	14, 28	eqeltrid 2836	. . . . . . . . 9 ⊢ (𝜑 → 𝑆 ∈ (SubGrp‘𝐺))
30	29	adantr 481	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑆 ⊊ 𝑈) → 𝑆 ∈ (SubGrp‘𝐺))
31		simpr 485	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑆 ⊊ 𝑈) → 𝑆 ⊊ 𝑈)
32	24	snssd 4796	. . . . . . . . . . . . 13 ⊢ (𝜑 → {𝐴} ⊆ 𝑈)
33	32, 23	sstrd 3979	. . . . . . . . . . . 12 ⊢ (𝜑 → {𝐴} ⊆ 𝐵)
34	20, 26, 33	mrcssidd 17541	. . . . . . . . . . 11 ⊢ (𝜑 → {𝐴} ⊆ (𝐾‘{𝐴}))
35	34, 14	sseqtrrdi 4020	. . . . . . . . . 10 ⊢ (𝜑 → {𝐴} ⊆ 𝑆)
36		snssg 4771	. . . . . . . . . . 11 ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ 𝑆 ↔ {𝐴} ⊆ 𝑆))
37	25, 36	syl 17	. . . . . . . . . 10 ⊢ (𝜑 → (𝐴 ∈ 𝑆 ↔ {𝐴} ⊆ 𝑆))
38	35, 37	mpbird 256	. . . . . . . . 9 ⊢ (𝜑 → 𝐴 ∈ 𝑆)
39	38	adantr 481	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑆 ⊊ 𝑈) → 𝐴 ∈ 𝑆)
40		psseq1 4074	. . . . . . . . . 10 ⊢ (𝑣 = 𝑆 → (𝑣 ⊊ 𝑈 ↔ 𝑆 ⊊ 𝑈))
41		eleq2 2821	. . . . . . . . . 10 ⊢ (𝑣 = 𝑆 → (𝐴 ∈ 𝑣 ↔ 𝐴 ∈ 𝑆))
42	40, 41	anbi12d 631	. . . . . . . . 9 ⊢ (𝑣 = 𝑆 → ((𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣) ↔ (𝑆 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑆)))
43	42	rspcev 3602	. . . . . . . 8 ⊢ ((𝑆 ∈ (SubGrp‘𝐺) ∧ (𝑆 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑆)) → ∃𝑣 ∈ (SubGrp‘𝐺)(𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣))
44	30, 31, 39, 43	syl12anc 835	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑆 ⊊ 𝑈) → ∃𝑣 ∈ (SubGrp‘𝐺)(𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣))
45		rabn0 4372	. . . . . . 7 ⊢ ({𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ≠ ∅ ↔ ∃𝑣 ∈ (SubGrp‘𝐺)(𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣))
46	44, 45	sylibr 233	. . . . . 6 ⊢ ((𝜑 ∧ 𝑆 ⊊ 𝑈) → {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ≠ ∅)
47		simpr1 1194	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑆 ⊊ 𝑈) ∧ (𝑢 ⊆ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ∧ 𝑢 ≠ ∅ ∧ [⊊] Or 𝑢)) → 𝑢 ⊆ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)})
48		simpr2 1195	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑆 ⊊ 𝑈) ∧ (𝑢 ⊆ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ∧ 𝑢 ≠ ∅ ∧ [⊊] Or 𝑢)) → 𝑢 ≠ ∅)
49	11	adantr 481	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑆 ⊊ 𝑈) ∧ (𝑢 ⊆ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ∧ 𝑢 ≠ ∅ ∧ [⊊] Or 𝑢)) → {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ∈ Fin)
50	49, 47	ssfid 9240	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑆 ⊊ 𝑈) ∧ (𝑢 ⊆ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ∧ 𝑢 ≠ ∅ ∧ [⊊] Or 𝑢)) → 𝑢 ∈ Fin)
51		simpr3 1196	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑆 ⊊ 𝑈) ∧ (𝑢 ⊆ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ∧ 𝑢 ≠ ∅ ∧ [⊊] Or 𝑢)) → [⊊] Or 𝑢)
52		fin1a2lem10 10376	. . . . . . . . . 10 ⊢ ((𝑢 ≠ ∅ ∧ 𝑢 ∈ Fin ∧ [⊊] Or 𝑢) → ∪ 𝑢 ∈ 𝑢)
53	48, 50, 51, 52	syl3anc 1371	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑆 ⊊ 𝑈) ∧ (𝑢 ⊆ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ∧ 𝑢 ≠ ∅ ∧ [⊊] Or 𝑢)) → ∪ 𝑢 ∈ 𝑢)
54	47, 53	sseldd 3970	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑆 ⊊ 𝑈) ∧ (𝑢 ⊆ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ∧ 𝑢 ≠ ∅ ∧ [⊊] Or 𝑢)) → ∪ 𝑢 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)})
55	54	ex 413	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑆 ⊊ 𝑈) → ((𝑢 ⊆ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ∧ 𝑢 ≠ ∅ ∧ [⊊] Or 𝑢) → ∪ 𝑢 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)}))
56	55	alrimiv 1930	. . . . . 6 ⊢ ((𝜑 ∧ 𝑆 ⊊ 𝑈) → ∀𝑢((𝑢 ⊆ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ∧ 𝑢 ≠ ∅ ∧ [⊊] Or 𝑢) → ∪ 𝑢 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)}))
57		zornn0g 10472	. . . . . 6 ⊢ (({𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ∈ dom card ∧ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ≠ ∅ ∧ ∀𝑢((𝑢 ⊆ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ∧ 𝑢 ≠ ∅ ∧ [⊊] Or 𝑢) → ∪ 𝑢 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)})) → ∃𝑠 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)}∀𝑤 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ¬ 𝑠 ⊊ 𝑤)
58	13, 46, 56, 57	syl3anc 1371	. . . . 5 ⊢ ((𝜑 ∧ 𝑆 ⊊ 𝑈) → ∃𝑠 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)}∀𝑤 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ¬ 𝑠 ⊊ 𝑤)
59		psseq1 4074	. . . . . . . 8 ⊢ (𝑣 = 𝑤 → (𝑣 ⊊ 𝑈 ↔ 𝑤 ⊊ 𝑈))
60		eleq2 2821	. . . . . . . 8 ⊢ (𝑣 = 𝑤 → (𝐴 ∈ 𝑣 ↔ 𝐴 ∈ 𝑤))
61	59, 60	anbi12d 631	. . . . . . 7 ⊢ (𝑣 = 𝑤 → ((𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣) ↔ (𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤)))
62	61	ralrab 3676	. . . . . 6 ⊢ (∀𝑤 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ¬ 𝑠 ⊊ 𝑤 ↔ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤))
63	62	rexbii 3093	. . . . 5 ⊢ (∃𝑠 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)}∀𝑤 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ¬ 𝑠 ⊊ 𝑤 ↔ ∃𝑠 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)}∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤))
64	58, 63	sylib 217	. . . 4 ⊢ ((𝜑 ∧ 𝑆 ⊊ 𝑈) → ∃𝑠 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)}∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤))
65	64	ex 413	. . 3 ⊢ (𝜑 → (𝑆 ⊊ 𝑈 → ∃𝑠 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)}∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)))
66		pgpfac1.3	. . . . 5 ⊢ (𝜑 → ∀𝑠 ∈ (SubGrp‘𝐺)((𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑠)))
67		psseq1 4074	. . . . . . 7 ⊢ (𝑣 = 𝑠 → (𝑣 ⊊ 𝑈 ↔ 𝑠 ⊊ 𝑈))
68		eleq2 2821	. . . . . . 7 ⊢ (𝑣 = 𝑠 → (𝐴 ∈ 𝑣 ↔ 𝐴 ∈ 𝑠))
69	67, 68	anbi12d 631	. . . . . 6 ⊢ (𝑣 = 𝑠 → ((𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣) ↔ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠)))
70	69	ralrab 3676	. . . . 5 ⊢ (∀𝑠 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)}∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑠) ↔ ∀𝑠 ∈ (SubGrp‘𝐺)((𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑠)))
71	66, 70	sylibr 233	. . . 4 ⊢ (𝜑 → ∀𝑠 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)}∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑠))
72		r19.29 3113	. . . . 5 ⊢ ((∀𝑠 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)}∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑠) ∧ ∃𝑠 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)}∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) → ∃𝑠 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} (∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑠) ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)))
73	69	elrab 3670	. . . . . . 7 ⊢ (𝑠 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} ↔ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠)))
74		ineq2 4193	. . . . . . . . . . . 12 ⊢ (𝑡 = 𝑣 → (𝑆 ∩ 𝑡) = (𝑆 ∩ 𝑣))
75	74	eqeq1d 2733	. . . . . . . . . . 11 ⊢ (𝑡 = 𝑣 → ((𝑆 ∩ 𝑡) = { 0 } ↔ (𝑆 ∩ 𝑣) = { 0 }))
76		oveq2 7392	. . . . . . . . . . . 12 ⊢ (𝑡 = 𝑣 → (𝑆 ⊕ 𝑡) = (𝑆 ⊕ 𝑣))
77	76	eqeq1d 2733	. . . . . . . . . . 11 ⊢ (𝑡 = 𝑣 → ((𝑆 ⊕ 𝑡) = 𝑠 ↔ (𝑆 ⊕ 𝑣) = 𝑠))
78	75, 77	anbi12d 631	. . . . . . . . . 10 ⊢ (𝑡 = 𝑣 → (((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑠) ↔ ((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠)))
79	78	cbvrexvw 3234	. . . . . . . . 9 ⊢ (∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑠) ↔ ∃𝑣 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠))
80		simprrl 779	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) → 𝑠 ⊊ 𝑈)
81	80	ad2antrr 724	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ ((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤))) → 𝑠 ⊊ 𝑈)
82		simpr2 1195	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ ((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤))) → (𝑆 ⊕ 𝑣) = 𝑠)
83	82	psseq1d 4079	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ ((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤))) → ((𝑆 ⊕ 𝑣) ⊊ 𝑈 ↔ 𝑠 ⊊ 𝑈))
84	81, 83	mpbird 256	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ ((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤))) → (𝑆 ⊕ 𝑣) ⊊ 𝑈)
85		pssdif 4353	. . . . . . . . . . . . . . 15 ⊢ ((𝑆 ⊕ 𝑣) ⊊ 𝑈 → (𝑈 ∖ (𝑆 ⊕ 𝑣)) ≠ ∅)
86		n0 4333	. . . . . . . . . . . . . . 15 ⊢ ((𝑈 ∖ (𝑆 ⊕ 𝑣)) ≠ ∅ ↔ ∃𝑏 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))
87	85, 86	sylib 217	. . . . . . . . . . . . . 14 ⊢ ((𝑆 ⊕ 𝑣) ⊊ 𝑈 → ∃𝑏 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))
88	84, 87	syl 17	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ ((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤))) → ∃𝑏 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))
89		pgpfac1.o	. . . . . . . . . . . . . . . 16 ⊢ 𝑂 = (od‘𝐺)
90		pgpfac1.e	. . . . . . . . . . . . . . . 16 ⊢ 𝐸 = (gEx‘𝐺)
91		pgpfac1.z	. . . . . . . . . . . . . . . 16 ⊢ 0 = (0_g‘𝐺)
92		pgpfac1.l	. . . . . . . . . . . . . . . 16 ⊢ ⊕ = (LSSum‘𝐺)
93		pgpfac1.p	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 𝑃 pGrp 𝐺)
94	93	ad3antrrr 728	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ (((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) ∧ 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))) → 𝑃 pGrp 𝐺)
95	15	ad3antrrr 728	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ (((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) ∧ 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))) → 𝐺 ∈ Abel)
96	1	ad3antrrr 728	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ (((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) ∧ 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))) → 𝐵 ∈ Fin)
97		pgpfac1.oe	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (𝑂‘𝐴) = 𝐸)
98	97	ad3antrrr 728	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ (((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) ∧ 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))) → (𝑂‘𝐴) = 𝐸)
99	21	ad3antrrr 728	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ (((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) ∧ 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))) → 𝑈 ∈ (SubGrp‘𝐺))
100	24	ad3antrrr 728	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ (((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) ∧ 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))) → 𝐴 ∈ 𝑈)
101		simplr 767	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ (((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) ∧ 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))) → 𝑣 ∈ (SubGrp‘𝐺))
102		simprl1 1218	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ (((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) ∧ 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))) → (𝑆 ∩ 𝑣) = { 0 })
103	84	adantrr 715	. . . . . . . . . . . . . . . . 17 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ (((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) ∧ 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))) → (𝑆 ⊕ 𝑣) ⊊ 𝑈)
104	103	pssssd 4084	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ (((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) ∧ 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))) → (𝑆 ⊕ 𝑣) ⊆ 𝑈)
105		simprl3 1220	. . . . . . . . . . . . . . . . 17 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ (((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) ∧ 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))) → ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤))
106	82	adantrr 715	. . . . . . . . . . . . . . . . . 18 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ (((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) ∧ 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))) → (𝑆 ⊕ 𝑣) = 𝑠)
107		psseq1 4074	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝑆 ⊕ 𝑣) = 𝑠 → ((𝑆 ⊕ 𝑣) ⊊ 𝑦 ↔ 𝑠 ⊊ 𝑦))
108	107	notbid 317	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝑆 ⊕ 𝑣) = 𝑠 → (¬ (𝑆 ⊕ 𝑣) ⊊ 𝑦 ↔ ¬ 𝑠 ⊊ 𝑦))
109	108	imbi2d 340	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝑆 ⊕ 𝑣) = 𝑠 → (((𝑦 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑦) → ¬ (𝑆 ⊕ 𝑣) ⊊ 𝑦) ↔ ((𝑦 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑦) → ¬ 𝑠 ⊊ 𝑦)))
110	109	ralbidv 3176	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑆 ⊕ 𝑣) = 𝑠 → (∀𝑦 ∈ (SubGrp‘𝐺)((𝑦 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑦) → ¬ (𝑆 ⊕ 𝑣) ⊊ 𝑦) ↔ ∀𝑦 ∈ (SubGrp‘𝐺)((𝑦 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑦) → ¬ 𝑠 ⊊ 𝑦)))
111		psseq1 4074	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑦 = 𝑤 → (𝑦 ⊊ 𝑈 ↔ 𝑤 ⊊ 𝑈))
112		eleq2 2821	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑦 = 𝑤 → (𝐴 ∈ 𝑦 ↔ 𝐴 ∈ 𝑤))
113	111, 112	anbi12d 631	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑦 = 𝑤 → ((𝑦 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑦) ↔ (𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤)))
114		psseq2 4075	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑦 = 𝑤 → (𝑠 ⊊ 𝑦 ↔ 𝑠 ⊊ 𝑤))
115	114	notbid 317	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑦 = 𝑤 → (¬ 𝑠 ⊊ 𝑦 ↔ ¬ 𝑠 ⊊ 𝑤))
116	113, 115	imbi12d 344	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑦 = 𝑤 → (((𝑦 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑦) → ¬ 𝑠 ⊊ 𝑦) ↔ ((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)))
117	116	cbvralvw 3233	. . . . . . . . . . . . . . . . . . 19 ⊢ (∀𝑦 ∈ (SubGrp‘𝐺)((𝑦 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑦) → ¬ 𝑠 ⊊ 𝑦) ↔ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤))
118	110, 117	bitrdi 286	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑆 ⊕ 𝑣) = 𝑠 → (∀𝑦 ∈ (SubGrp‘𝐺)((𝑦 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑦) → ¬ (𝑆 ⊕ 𝑣) ⊊ 𝑦) ↔ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)))
119	106, 118	syl 17	. . . . . . . . . . . . . . . . 17 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ (((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) ∧ 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))) → (∀𝑦 ∈ (SubGrp‘𝐺)((𝑦 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑦) → ¬ (𝑆 ⊕ 𝑣) ⊊ 𝑦) ↔ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)))
120	105, 119	mpbird 256	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ (((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) ∧ 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))) → ∀𝑦 ∈ (SubGrp‘𝐺)((𝑦 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑦) → ¬ (𝑆 ⊕ 𝑣) ⊊ 𝑦))
121		simprr 771	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ (((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) ∧ 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))) → 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))
122		eqid 2731	. . . . . . . . . . . . . . . 16 ⊢ (._g‘𝐺) = (._g‘𝐺)
123	26, 14, 5, 89, 90, 91, 92, 94, 95, 96, 98, 99, 100, 101, 102, 104, 120, 121, 122	pgpfac1lem4 19893	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ (((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) ∧ 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)))) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈))
124	123	expr 457	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ ((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤))) → (𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈)))
125	124	exlimdv 1936	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ ((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤))) → (∃𝑏 𝑏 ∈ (𝑈 ∖ (𝑆 ⊕ 𝑣)) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈)))
126	88, 125	mpd 15	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) ∧ ((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠 ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤))) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈))
127	126	3exp2 1354	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) → ((𝑆 ∩ 𝑣) = { 0 } → ((𝑆 ⊕ 𝑣) = 𝑠 → (∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈)))))
128	127	impd 411	. . . . . . . . . 10 ⊢ (((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) ∧ 𝑣 ∈ (SubGrp‘𝐺)) → (((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠) → (∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈))))
129	128	rexlimdva 3154	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) → (∃𝑣 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑣) = { 0 } ∧ (𝑆 ⊕ 𝑣) = 𝑠) → (∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈))))
130	79, 129	biimtrid 241	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) → (∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑠) → (∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈))))
131	130	impd 411	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑠 ∈ (SubGrp‘𝐺) ∧ (𝑠 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑠))) → ((∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑠) ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈)))
132	73, 131	sylan2b 594	. . . . . 6 ⊢ ((𝜑 ∧ 𝑠 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)}) → ((∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑠) ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈)))
133	132	rexlimdva 3154	. . . . 5 ⊢ (𝜑 → (∃𝑠 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)} (∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑠) ∧ ∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈)))
134	72, 133	syl5 34	. . . 4 ⊢ (𝜑 → ((∀𝑠 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)}∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑠) ∧ ∃𝑠 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)}∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤)) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈)))
135	71, 134	mpand 693	. . 3 ⊢ (𝜑 → (∃𝑠 ∈ {𝑣 ∈ (SubGrp‘𝐺) ∣ (𝑣 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑣)}∀𝑤 ∈ (SubGrp‘𝐺)((𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤) → ¬ 𝑠 ⊊ 𝑤) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈)))
136	65, 135	syld 47	. 2 ⊢ (𝜑 → (𝑆 ⊊ 𝑈 → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈)))
137	91	0subg 18989	. . . . . 6 ⊢ (𝐺 ∈ Grp → { 0 } ∈ (SubGrp‘𝐺))
138	17, 137	syl 17	. . . . 5 ⊢ (𝜑 → { 0 } ∈ (SubGrp‘𝐺))
139	138	adantr 481	. . . 4 ⊢ ((𝜑 ∧ 𝑆 = 𝑈) → { 0 } ∈ (SubGrp‘𝐺))
140	91	subg0cl 18972	. . . . . . . 8 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 0 ∈ 𝑆)
141	29, 140	syl 17	. . . . . . 7 ⊢ (𝜑 → 0 ∈ 𝑆)
142	141	snssd 4796	. . . . . 6 ⊢ (𝜑 → { 0 } ⊆ 𝑆)
143	142	adantr 481	. . . . 5 ⊢ ((𝜑 ∧ 𝑆 = 𝑈) → { 0 } ⊆ 𝑆)
144		sseqin2 4202	. . . . 5 ⊢ ({ 0 } ⊆ 𝑆 ↔ (𝑆 ∩ { 0 }) = { 0 })
145	143, 144	sylib 217	. . . 4 ⊢ ((𝜑 ∧ 𝑆 = 𝑈) → (𝑆 ∩ { 0 }) = { 0 })
146	92	lsmss2 19485	. . . . . . 7 ⊢ ((𝑆 ∈ (SubGrp‘𝐺) ∧ { 0 } ∈ (SubGrp‘𝐺) ∧ { 0 } ⊆ 𝑆) → (𝑆 ⊕ { 0 }) = 𝑆)
147	29, 138, 142, 146	syl3anc 1371	. . . . . 6 ⊢ (𝜑 → (𝑆 ⊕ { 0 }) = 𝑆)
148	147	eqeq1d 2733	. . . . 5 ⊢ (𝜑 → ((𝑆 ⊕ { 0 }) = 𝑈 ↔ 𝑆 = 𝑈))
149	148	biimpar 478	. . . 4 ⊢ ((𝜑 ∧ 𝑆 = 𝑈) → (𝑆 ⊕ { 0 }) = 𝑈)
150		ineq2 4193	. . . . . . 7 ⊢ (𝑡 = { 0 } → (𝑆 ∩ 𝑡) = (𝑆 ∩ { 0 }))
151	150	eqeq1d 2733	. . . . . 6 ⊢ (𝑡 = { 0 } → ((𝑆 ∩ 𝑡) = { 0 } ↔ (𝑆 ∩ { 0 }) = { 0 }))
152		oveq2 7392	. . . . . . 7 ⊢ (𝑡 = { 0 } → (𝑆 ⊕ 𝑡) = (𝑆 ⊕ { 0 }))
153	152	eqeq1d 2733	. . . . . 6 ⊢ (𝑡 = { 0 } → ((𝑆 ⊕ 𝑡) = 𝑈 ↔ (𝑆 ⊕ { 0 }) = 𝑈))
154	151, 153	anbi12d 631	. . . . 5 ⊢ (𝑡 = { 0 } → (((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈) ↔ ((𝑆 ∩ { 0 }) = { 0 } ∧ (𝑆 ⊕ { 0 }) = 𝑈)))
155	154	rspcev 3602	. . . 4 ⊢ (({ 0 } ∈ (SubGrp‘𝐺) ∧ ((𝑆 ∩ { 0 }) = { 0 } ∧ (𝑆 ⊕ { 0 }) = 𝑈)) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈))
156	139, 145, 149, 155	syl12anc 835	. . 3 ⊢ ((𝜑 ∧ 𝑆 = 𝑈) → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈))
157	156	ex 413	. 2 ⊢ (𝜑 → (𝑆 = 𝑈 → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈)))
158	26	mrcsscl 17536	. . . . 5 ⊢ (((SubGrp‘𝐺) ∈ (Moore‘𝐵) ∧ {𝐴} ⊆ 𝑈 ∧ 𝑈 ∈ (SubGrp‘𝐺)) → (𝐾‘{𝐴}) ⊆ 𝑈)
159	20, 32, 21, 158	syl3anc 1371	. . . 4 ⊢ (𝜑 → (𝐾‘{𝐴}) ⊆ 𝑈)
160	14, 159	eqsstrid 4017	. . 3 ⊢ (𝜑 → 𝑆 ⊆ 𝑈)
161		sspss 4086	. . 3 ⊢ (𝑆 ⊆ 𝑈 ↔ (𝑆 ⊊ 𝑈 ∨ 𝑆 = 𝑈))
162	160, 161	sylib 217	. 2 ⊢ (𝜑 → (𝑆 ⊊ 𝑈 ∨ 𝑆 = 𝑈))
163	136, 157, 162	mpjaod 858	1 ⊢ (𝜑 → ∃𝑡 ∈ (SubGrp‘𝐺)((𝑆 ∩ 𝑡) = { 0 } ∧ (𝑆 ⊕ 𝑡) = 𝑈))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 396 ∨ wo 845 ∧ w3a 1087 ∀wal 1539 = wceq 1541 ∃wex 1781 ∈ wcel 2106 ≠ wne 2939 ∀wral 3060 ∃wrex 3069 {crab 3425 ∖ cdif 3932 ∩ cin 3934 ⊆ wss 3935 ⊊ wpss 3936 ∅c0 4309 𝒫 cpw 4587 {csn 4613 ∪ cuni 4892 class class class wbr 5132 Or wor 5571 dom cdm 5660 ‘cfv 6523 (class class class)co 7384 [⊊] crpss 7686 Fincfn 8912 cardccrd 9902 Basecbs 17116 0_gc0g 17357 Moorecmre 17498 mrClscmrc 17499 ACScacs 17501 Grpcgrp 18784 ._gcmg 18908 SubGrpcsubg 18958 odcod 19342 gExcgex 19343 pGrp cpgp 19344 LSSumclsm 19452 Abelcabl 19599

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2702 ax-rep 5269 ax-sep 5283 ax-nul 5290 ax-pow 5347 ax-pr 5411 ax-un 7699 ax-inf2 9608 ax-cnex 11138 ax-resscn 11139 ax-1cn 11140 ax-icn 11141 ax-addcl 11142 ax-addrcl 11143 ax-mulcl 11144 ax-mulrcl 11145 ax-mulcom 11146 ax-addass 11147 ax-mulass 11148 ax-distr 11149 ax-i2m1 11150 ax-1ne0 11151 ax-1rid 11152 ax-rnegex 11153 ax-rrecex 11154 ax-cnre 11155 ax-pre-lttri 11156 ax-pre-lttrn 11157 ax-pre-ltadd 11158 ax-pre-mulgt0 11159 ax-pre-sup 11160

This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 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 3371 df-reu 3372 df-rab 3426 df-v 3468 df-sbc 3765 df-csb 3881 df-dif 3938 df-un 3940 df-in 3942 df-ss 3952 df-pss 3954 df-nul 4310 df-if 4514 df-pw 4589 df-sn 4614 df-pr 4616 df-op 4620 df-uni 4893 df-int 4935 df-iun 4983 df-iin 4984 df-disj 5098 df-br 5133 df-opab 5195 df-mpt 5216 df-tr 5250 df-id 5558 df-eprel 5564 df-po 5572 df-so 5573 df-fr 5615 df-se 5616 df-we 5617 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-pred 6280 df-ord 6347 df-on 6348 df-lim 6349 df-suc 6350 df-iota 6475 df-fun 6525 df-fn 6526 df-f 6527 df-f1 6528 df-fo 6529 df-f1o 6530 df-fv 6531 df-isom 6532 df-riota 7340 df-ov 7387 df-oprab 7388 df-mpo 7389 df-rpss 7687 df-om 7830 df-1st 7948 df-2nd 7949 df-frecs 8239 df-wrecs 8270 df-recs 8344 df-rdg 8383 df-1o 8439 df-2o 8440 df-oadd 8443 df-omul 8444 df-er 8677 df-ec 8679 df-qs 8683 df-map 8796 df-en 8913 df-dom 8914 df-sdom 8915 df-fin 8916 df-sup 9409 df-inf 9410 df-oi 9477 df-dju 9868 df-card 9906 df-acn 9909 df-pnf 11222 df-mnf 11223 df-xr 11224 df-ltxr 11225 df-le 11226 df-sub 11418 df-neg 11419 df-div 11844 df-nn 12185 df-2 12247 df-3 12248 df-n0 12445 df-xnn0 12517 df-z 12531 df-uz 12795 df-q 12905 df-rp 12947 df-fz 13457 df-fzo 13600 df-fl 13729 df-mod 13807 df-seq 13939 df-exp 14000 df-fac 14206 df-bc 14235 df-hash 14263 df-cj 15018 df-re 15019 df-im 15020 df-sqrt 15154 df-abs 15155 df-clim 15404 df-sum 15605 df-dvds 16170 df-gcd 16408 df-prm 16581 df-pc 16742 df-sets 17069 df-slot 17087 df-ndx 17099 df-base 17117 df-ress 17146 df-plusg 17182 df-0g 17359 df-mre 17502 df-mrc 17503 df-acs 17505 df-mgm 18533 df-sgrp 18582 df-mnd 18593 df-submnd 18638 df-grp 18787 df-minusg 18788 df-sbg 18789 df-mulg 18909 df-subg 18961 df-eqg 18963 df-ga 19106 df-cntz 19133 df-od 19346 df-gex 19347 df-pgp 19348 df-lsm 19454 df-cmn 19600 df-abl 19601

This theorem is referenced by: pgpfac1 19895

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