Theorem pgpfaclem3 19601

Description: Lemma for pgpfac 19602. (Contributed by Mario Carneiro, 27-Apr-2016.) (Revised by Mario Carneiro, 3-May-2016.)

Hypotheses

Ref	Expression
pgpfac.b	⊢ 𝐵 = (Base‘𝐺)
pgpfac.c	⊢ 𝐶 = {𝑟 ∈ (SubGrp‘𝐺) ∣ (𝐺 ↾s 𝑟) ∈ (CycGrp ∩ ran pGrp )}
pgpfac.g	⊢ (𝜑 → 𝐺 ∈ Abel)
pgpfac.p	⊢ (𝜑 → 𝑃 pGrp 𝐺)
pgpfac.f	⊢ (𝜑 → 𝐵 ∈ Fin)
pgpfac.u	⊢ (𝜑 → 𝑈 ∈ (SubGrp‘𝐺))
pgpfac.a	⊢ (𝜑 → ∀𝑡 ∈ (SubGrp‘𝐺)(𝑡 ⊊ 𝑈 → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑡)))

Assertion

Ref	Expression
pgpfaclem3	⊢ (𝜑 → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈))

Distinct variable groups:   𝑡,𝑠,𝐶   𝑠,𝑟,𝑡,𝐺   𝜑,𝑡   𝐵,𝑠,𝑡   𝑈,𝑟,𝑠,𝑡

Allowed substitution hints:   𝜑(𝑠,𝑟)   𝐵(𝑟)   𝐶(𝑟)   𝑃(𝑡,𝑠,𝑟)

Proof of Theorem pgpfaclem3

Dummy variables 𝑤 𝑥 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		wrd0 14170	. . 3 ⊢ ∅ ∈ Word 𝐶
2		pgpfac.g	. . . . . 6 ⊢ (𝜑 → 𝐺 ∈ Abel)
3		ablgrp 19306	. . . . . 6 ⊢ (𝐺 ∈ Abel → 𝐺 ∈ Grp)
4		eqid 2738	. . . . . . 7 ⊢ (0g‘𝐺) = (0g‘𝐺)
5	4	dprd0 19549	. . . . . 6 ⊢ (𝐺 ∈ Grp → (𝐺dom DProd ∅ ∧ (𝐺 DProd ∅) = {(0g‘𝐺)}))
6	2, 3, 5	3syl 18	. . . . 5 ⊢ (𝜑 → (𝐺dom DProd ∅ ∧ (𝐺 DProd ∅) = {(0g‘𝐺)}))
7	6	adantr 480	. . . 4 ⊢ ((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) = 1) → (𝐺dom DProd ∅ ∧ (𝐺 DProd ∅) = {(0g‘𝐺)}))
8		pgpfac.u	. . . . . . . . 9 ⊢ (𝜑 → 𝑈 ∈ (SubGrp‘𝐺))
9	4	subg0cl 18678	. . . . . . . . 9 ⊢ (𝑈 ∈ (SubGrp‘𝐺) → (0g‘𝐺) ∈ 𝑈)
10	8, 9	syl 17	. . . . . . . 8 ⊢ (𝜑 → (0g‘𝐺) ∈ 𝑈)
11	10	adantr 480	. . . . . . 7 ⊢ ((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) = 1) → (0g‘𝐺) ∈ 𝑈)
12		eqid 2738	. . . . . . . . . . 11 ⊢ (𝐺 ↾s 𝑈) = (𝐺 ↾s 𝑈)
13	12	subgbas 18674	. . . . . . . . . 10 ⊢ (𝑈 ∈ (SubGrp‘𝐺) → 𝑈 = (Base‘(𝐺 ↾s 𝑈)))
14	8, 13	syl 17	. . . . . . . . 9 ⊢ (𝜑 → 𝑈 = (Base‘(𝐺 ↾s 𝑈)))
15	14	adantr 480	. . . . . . . 8 ⊢ ((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) = 1) → 𝑈 = (Base‘(𝐺 ↾s 𝑈)))
16	12	subggrp 18673	. . . . . . . . . . 11 ⊢ (𝑈 ∈ (SubGrp‘𝐺) → (𝐺 ↾s 𝑈) ∈ Grp)
17	8, 16	syl 17	. . . . . . . . . 10 ⊢ (𝜑 → (𝐺 ↾s 𝑈) ∈ Grp)
18		grpmnd 18499	. . . . . . . . . 10 ⊢ ((𝐺 ↾s 𝑈) ∈ Grp → (𝐺 ↾s 𝑈) ∈ Mnd)
19		eqid 2738	. . . . . . . . . . 11 ⊢ (Base‘(𝐺 ↾s 𝑈)) = (Base‘(𝐺 ↾s 𝑈))
20		eqid 2738	. . . . . . . . . . 11 ⊢ (gEx‘(𝐺 ↾s 𝑈)) = (gEx‘(𝐺 ↾s 𝑈))
21	19, 20	gex1 19111	. . . . . . . . . 10 ⊢ ((𝐺 ↾s 𝑈) ∈ Mnd → ((gEx‘(𝐺 ↾s 𝑈)) = 1 ↔ (Base‘(𝐺 ↾s 𝑈)) ≈ 1o))
22	17, 18, 21	3syl 18	. . . . . . . . 9 ⊢ (𝜑 → ((gEx‘(𝐺 ↾s 𝑈)) = 1 ↔ (Base‘(𝐺 ↾s 𝑈)) ≈ 1o))
23	22	biimpa 476	. . . . . . . 8 ⊢ ((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) = 1) → (Base‘(𝐺 ↾s 𝑈)) ≈ 1o)
24	15, 23	eqbrtrd 5092	. . . . . . 7 ⊢ ((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) = 1) → 𝑈 ≈ 1o)
25		en1eqsn 8977	. . . . . . 7 ⊢ (((0g‘𝐺) ∈ 𝑈 ∧ 𝑈 ≈ 1o) → 𝑈 = {(0g‘𝐺)})
26	11, 24, 25	syl2anc 583	. . . . . 6 ⊢ ((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) = 1) → 𝑈 = {(0g‘𝐺)})
27	26	eqeq2d 2749	. . . . 5 ⊢ ((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) = 1) → ((𝐺 DProd ∅) = 𝑈 ↔ (𝐺 DProd ∅) = {(0g‘𝐺)}))
28	27	anbi2d 628	. . . 4 ⊢ ((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) = 1) → ((𝐺dom DProd ∅ ∧ (𝐺 DProd ∅) = 𝑈) ↔ (𝐺dom DProd ∅ ∧ (𝐺 DProd ∅) = {(0g‘𝐺)})))
29	7, 28	mpbird 256	. . 3 ⊢ ((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) = 1) → (𝐺dom DProd ∅ ∧ (𝐺 DProd ∅) = 𝑈))
30		breq2 5074	. . . . 5 ⊢ (𝑠 = ∅ → (𝐺dom DProd 𝑠 ↔ 𝐺dom DProd ∅))
31		oveq2 7263	. . . . . 6 ⊢ (𝑠 = ∅ → (𝐺 DProd 𝑠) = (𝐺 DProd ∅))
32	31	eqeq1d 2740	. . . . 5 ⊢ (𝑠 = ∅ → ((𝐺 DProd 𝑠) = 𝑈 ↔ (𝐺 DProd ∅) = 𝑈))
33	30, 32	anbi12d 630	. . . 4 ⊢ (𝑠 = ∅ → ((𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈) ↔ (𝐺dom DProd ∅ ∧ (𝐺 DProd ∅) = 𝑈)))
34	33	rspcev 3552	. . 3 ⊢ ((∅ ∈ Word 𝐶 ∧ (𝐺dom DProd ∅ ∧ (𝐺 DProd ∅) = 𝑈)) → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈))
35	1, 29, 34	sylancr 586	. 2 ⊢ ((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) = 1) → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈))
36	12	subgabl 19352	. . . . . 6 ⊢ ((𝐺 ∈ Abel ∧ 𝑈 ∈ (SubGrp‘𝐺)) → (𝐺 ↾s 𝑈) ∈ Abel)
37	2, 8, 36	syl2anc 583	. . . . 5 ⊢ (𝜑 → (𝐺 ↾s 𝑈) ∈ Abel)
38		pgpfac.f	. . . . . . . 8 ⊢ (𝜑 → 𝐵 ∈ Fin)
39		pgpfac.b	. . . . . . . . . 10 ⊢ 𝐵 = (Base‘𝐺)
40	39	subgss 18671	. . . . . . . . 9 ⊢ (𝑈 ∈ (SubGrp‘𝐺) → 𝑈 ⊆ 𝐵)
41	8, 40	syl 17	. . . . . . . 8 ⊢ (𝜑 → 𝑈 ⊆ 𝐵)
42	38, 41	ssfid 8971	. . . . . . 7 ⊢ (𝜑 → 𝑈 ∈ Fin)
43	14, 42	eqeltrrd 2840	. . . . . 6 ⊢ (𝜑 → (Base‘(𝐺 ↾s 𝑈)) ∈ Fin)
44	19, 20	gexcl2 19109	. . . . . 6 ⊢ (((𝐺 ↾s 𝑈) ∈ Grp ∧ (Base‘(𝐺 ↾s 𝑈)) ∈ Fin) → (gEx‘(𝐺 ↾s 𝑈)) ∈ ℕ)
45	17, 43, 44	syl2anc 583	. . . . 5 ⊢ (𝜑 → (gEx‘(𝐺 ↾s 𝑈)) ∈ ℕ)
46		eqid 2738	. . . . . 6 ⊢ (od‘(𝐺 ↾s 𝑈)) = (od‘(𝐺 ↾s 𝑈))
47	19, 20, 46	gexex 19369	. . . . 5 ⊢ (((𝐺 ↾s 𝑈) ∈ Abel ∧ (gEx‘(𝐺 ↾s 𝑈)) ∈ ℕ) → ∃𝑥 ∈ (Base‘(𝐺 ↾s 𝑈))((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))
48	37, 45, 47	syl2anc 583	. . . 4 ⊢ (𝜑 → ∃𝑥 ∈ (Base‘(𝐺 ↾s 𝑈))((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))
49	48	adantr 480	. . 3 ⊢ ((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) → ∃𝑥 ∈ (Base‘(𝐺 ↾s 𝑈))((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))
50		eqid 2738	. . . . 5 ⊢ (mrCls‘(SubGrp‘(𝐺 ↾s 𝑈))) = (mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))
51		eqid 2738	. . . . 5 ⊢ ((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) = ((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})
52		eqid 2738	. . . . 5 ⊢ (0g‘(𝐺 ↾s 𝑈)) = (0g‘(𝐺 ↾s 𝑈))
53		eqid 2738	. . . . 5 ⊢ (LSSum‘(𝐺 ↾s 𝑈)) = (LSSum‘(𝐺 ↾s 𝑈))
54		pgpfac.p	. . . . . . 7 ⊢ (𝜑 → 𝑃 pGrp 𝐺)
55		subgpgp 19117	. . . . . . 7 ⊢ ((𝑃 pGrp 𝐺 ∧ 𝑈 ∈ (SubGrp‘𝐺)) → 𝑃 pGrp (𝐺 ↾s 𝑈))
56	54, 8, 55	syl2anc 583	. . . . . 6 ⊢ (𝜑 → 𝑃 pGrp (𝐺 ↾s 𝑈))
57	56	ad2antrr 722	. . . . 5 ⊢ (((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) → 𝑃 pGrp (𝐺 ↾s 𝑈))
58	37	ad2antrr 722	. . . . 5 ⊢ (((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) → (𝐺 ↾s 𝑈) ∈ Abel)
59	43	ad2antrr 722	. . . . 5 ⊢ (((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) → (Base‘(𝐺 ↾s 𝑈)) ∈ Fin)
60		simprr 769	. . . . 5 ⊢ (((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) → ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))
61		simprl 767	. . . . 5 ⊢ (((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) → 𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)))
62	50, 51, 19, 46, 20, 52, 53, 57, 58, 59, 60, 61	pgpfac1 19598	. . . 4 ⊢ (((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) → ∃𝑤 ∈ (SubGrp‘(𝐺 ↾s 𝑈))((((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺 ↾s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = (Base‘(𝐺 ↾s 𝑈))))
63		pgpfac.c	. . . . 5 ⊢ 𝐶 = {𝑟 ∈ (SubGrp‘𝐺) ∣ (𝐺 ↾s 𝑟) ∈ (CycGrp ∩ ran pGrp )}
64	2	ad3antrrr 726	. . . . 5 ⊢ ((((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺 ↾s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺 ↾s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = (Base‘(𝐺 ↾s 𝑈))))) → 𝐺 ∈ Abel)
65	54	ad3antrrr 726	. . . . 5 ⊢ ((((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺 ↾s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺 ↾s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = (Base‘(𝐺 ↾s 𝑈))))) → 𝑃 pGrp 𝐺)
66	38	ad3antrrr 726	. . . . 5 ⊢ ((((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺 ↾s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺 ↾s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = (Base‘(𝐺 ↾s 𝑈))))) → 𝐵 ∈ Fin)
67	8	ad3antrrr 726	. . . . 5 ⊢ ((((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺 ↾s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺 ↾s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = (Base‘(𝐺 ↾s 𝑈))))) → 𝑈 ∈ (SubGrp‘𝐺))
68		pgpfac.a	. . . . . 6 ⊢ (𝜑 → ∀𝑡 ∈ (SubGrp‘𝐺)(𝑡 ⊊ 𝑈 → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑡)))
69	68	ad3antrrr 726	. . . . 5 ⊢ ((((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺 ↾s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺 ↾s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = (Base‘(𝐺 ↾s 𝑈))))) → ∀𝑡 ∈ (SubGrp‘𝐺)(𝑡 ⊊ 𝑈 → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑡)))
70		simpllr 772	. . . . 5 ⊢ ((((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺 ↾s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺 ↾s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = (Base‘(𝐺 ↾s 𝑈))))) → (gEx‘(𝐺 ↾s 𝑈)) ≠ 1)
71		simplrl 773	. . . . . 6 ⊢ ((((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺 ↾s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺 ↾s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = (Base‘(𝐺 ↾s 𝑈))))) → 𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)))
72	67, 13	syl 17	. . . . . 6 ⊢ ((((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺 ↾s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺 ↾s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = (Base‘(𝐺 ↾s 𝑈))))) → 𝑈 = (Base‘(𝐺 ↾s 𝑈)))
73	71, 72	eleqtrrd 2842	. . . . 5 ⊢ ((((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺 ↾s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺 ↾s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = (Base‘(𝐺 ↾s 𝑈))))) → 𝑥 ∈ 𝑈)
74		simplrr 774	. . . . 5 ⊢ ((((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺 ↾s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺 ↾s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = (Base‘(𝐺 ↾s 𝑈))))) → ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))
75		simprl 767	. . . . 5 ⊢ ((((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺 ↾s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺 ↾s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = (Base‘(𝐺 ↾s 𝑈))))) → 𝑤 ∈ (SubGrp‘(𝐺 ↾s 𝑈)))
76		simprrl 777	. . . . 5 ⊢ ((((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺 ↾s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺 ↾s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = (Base‘(𝐺 ↾s 𝑈))))) → (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺 ↾s 𝑈))})
77		simprrr 778	. . . . . 6 ⊢ ((((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺 ↾s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺 ↾s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = (Base‘(𝐺 ↾s 𝑈))))) → (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = (Base‘(𝐺 ↾s 𝑈)))
78	77, 72	eqtr4d 2781	. . . . 5 ⊢ ((((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺 ↾s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺 ↾s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = (Base‘(𝐺 ↾s 𝑈))))) → (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = 𝑈)
79	39, 63, 64, 65, 66, 67, 69, 12, 50, 46, 20, 52, 53, 70, 73, 74, 75, 76, 78	pgpfaclem2 19600	. . . 4 ⊢ ((((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺 ↾s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺 ↾s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺 ↾s 𝑈)))‘{𝑥})(LSSum‘(𝐺 ↾s 𝑈))𝑤) = (Base‘(𝐺 ↾s 𝑈))))) → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈))
80	62, 79	rexlimddv 3219	. . 3 ⊢ (((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺 ↾s 𝑈)) ∧ ((od‘(𝐺 ↾s 𝑈))‘𝑥) = (gEx‘(𝐺 ↾s 𝑈)))) → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈))
81	49, 80	rexlimddv 3219	. 2 ⊢ ((𝜑 ∧ (gEx‘(𝐺 ↾s 𝑈)) ≠ 1) → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈))
82	35, 81	pm2.61dane 3031	1 ⊢ (𝜑 → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈))

Syntax hints:   → wi 4   ↔ wb 205   ∧ wa 395   = wceq 1539   ∈ wcel 2108   ≠ wne 2942  ∀wral 3063  ∃wrex 3064  {crab 3067   ∩ cin 3882   ⊆ wss 3883   ⊊ wpss 3884  ∅c0 4253  {csn 4558   class class class wbr 5070  dom cdm 5580  ran crn 5581  ‘cfv 6418  (class class class)co 7255  1_oc1o 8260   ≈ cen 8688  Fincfn 8691  1c1 10803  ℕcn 11903  Word cword 14145  Basecbs 16840   ↾_s cress 16867  0_gc0g 17067  mrClscmrc 17209  Mndcmnd 18300  Grpcgrp 18492  SubGrpcsubg 18664  odcod 19047  gExcgex 19048   pGrp cpgp 19049  LSSumclsm 19154  Abelcabl 19302  CycGrpccyg 19392   DProd cdprd 19511

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1799  ax-4 1813  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2110  ax-9 2118  ax-10 2139  ax-11 2156  ax-12 2173  ax-ext 2709  ax-rep 5205  ax-sep 5218  ax-nul 5225  ax-pow 5283  ax-pr 5347  ax-un 7566  ax-inf2 9329  ax-cnex 10858  ax-resscn 10859  ax-1cn 10860  ax-icn 10861  ax-addcl 10862  ax-addrcl 10863  ax-mulcl 10864  ax-mulrcl 10865  ax-mulcom 10866  ax-addass 10867  ax-mulass 10868  ax-distr 10869  ax-i2m1 10870  ax-1ne0 10871  ax-1rid 10872  ax-rnegex 10873  ax-rrecex 10874  ax-cnre 10875  ax-pre-lttri 10876  ax-pre-lttrn 10877  ax-pre-ltadd 10878  ax-pre-mulgt0 10879  ax-pre-sup 10880

This theorem depends on definitions:  df-bi 206  df-an 396  df-or 844  df-3or 1086  df-3an 1087  df-tru 1542  df-fal 1552  df-ex 1784  df-nf 1788  df-sb 2069  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2817  df-nfc 2888  df-ne 2943  df-nel 3049  df-ral 3068  df-rex 3069  df-reu 3070  df-rmo 3071  df-rab 3072  df-v 3424  df-sbc 3712  df-csb 3829  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-pss 3902  df-nul 4254  df-if 4457  df-pw 4532  df-sn 4559  df-pr 4561  df-tp 4563  df-op 4565  df-uni 4837  df-int 4877  df-iun 4923  df-iin 4924  df-disj 5036  df-br 5071  df-opab 5133  df-mpt 5154  df-tr 5188  df-id 5480  df-eprel 5486  df-po 5494  df-so 5495  df-fr 5535  df-se 5536  df-we 5537  df-xp 5586  df-rel 5587  df-cnv 5588  df-co 5589  df-dm 5590  df-rn 5591  df-res 5592  df-ima 5593  df-pred 6191  df-ord 6254  df-on 6255  df-lim 6256  df-suc 6257  df-iota 6376  df-fun 6420  df-fn 6421  df-f 6422  df-f1 6423  df-fo 6424  df-f1o 6425  df-fv 6426  df-isom 6427  df-riota 7212  df-ov 7258  df-oprab 7259  df-mpo 7260  df-of 7511  df-rpss 7554  df-om 7688  df-1st 7804  df-2nd 7805  df-supp 7949  df-tpos 8013  df-frecs 8068  df-wrecs 8099  df-recs 8173  df-rdg 8212  df-1o 8267  df-2o 8268  df-oadd 8271  df-omul 8272  df-er 8456  df-ec 8458  df-qs 8462  df-map 8575  df-ixp 8644  df-en 8692  df-dom 8693  df-sdom 8694  df-fin 8695  df-fsupp 9059  df-sup 9131  df-inf 9132  df-oi 9199  df-dju 9590  df-card 9628  df-acn 9631  df-pnf 10942  df-mnf 10943  df-xr 10944  df-ltxr 10945  df-le 10946  df-sub 11137  df-neg 11138  df-div 11563  df-nn 11904  df-2 11966  df-3 11967  df-n0 12164  df-xnn0 12236  df-z 12250  df-uz 12512  df-q 12618  df-rp 12660  df-fz 13169  df-fzo 13312  df-fl 13440  df-mod 13518  df-seq 13650  df-exp 13711  df-fac 13916  df-bc 13945  df-hash 13973  df-word 14146  df-concat 14202  df-s1 14229  df-cj 14738  df-re 14739  df-im 14740  df-sqrt 14874  df-abs 14875  df-clim 15125  df-sum 15326  df-dvds 15892  df-gcd 16130  df-prm 16305  df-pc 16466  df-sets 16793  df-slot 16811  df-ndx 16823  df-base 16841  df-ress 16868  df-plusg 16901  df-0g 17069  df-gsum 17070  df-mre 17212  df-mrc 17213  df-acs 17215  df-mgm 18241  df-sgrp 18290  df-mnd 18301  df-mhm 18345  df-submnd 18346  df-grp 18495  df-minusg 18496  df-sbg 18497  df-mulg 18616  df-subg 18667  df-eqg 18669  df-ghm 18747  df-gim 18790  df-ga 18811  df-cntz 18838  df-oppg 18865  df-od 19051  df-gex 19052  df-pgp 19053  df-lsm 19156  df-pj1 19157  df-cmn 19303  df-abl 19304  df-cyg 19393  df-dprd 19513

This theorem is referenced by:  pgpfac  19602