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Theorem pgpfaclem3 18414
 Description: Lemma for pgpfac 18415. (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) ∣ (𝐺s 𝑟) ∈ (CycGrp ∩ ran pGrp )}
pgpfac.g (𝜑𝐺 ∈ Abel)
pgpfac.p (𝜑𝑃 pGrp 𝐺)
pgpfac.f (𝜑𝐵 ∈ Fin)
pgpfac.u (𝜑𝑈 ∈ (SubGrp‘𝐺))
pgpfac.a (𝜑 → ∀𝑡 ∈ (SubGrp‘𝐺)(𝑡𝑈 → ∃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.
StepHypRef Expression
1 wrd0 13277 . . 3 ∅ ∈ Word 𝐶
2 pgpfac.g . . . . . 6 (𝜑𝐺 ∈ Abel)
3 ablgrp 18130 . . . . . 6 (𝐺 ∈ Abel → 𝐺 ∈ Grp)
4 eqid 2621 . . . . . . 7 (0g𝐺) = (0g𝐺)
54dprd0 18362 . . . . . 6 (𝐺 ∈ Grp → (𝐺dom DProd ∅ ∧ (𝐺 DProd ∅) = {(0g𝐺)}))
62, 3, 53syl 18 . . . . 5 (𝜑 → (𝐺dom DProd ∅ ∧ (𝐺 DProd ∅) = {(0g𝐺)}))
76adantr 481 . . . 4 ((𝜑 ∧ (gEx‘(𝐺s 𝑈)) = 1) → (𝐺dom DProd ∅ ∧ (𝐺 DProd ∅) = {(0g𝐺)}))
8 pgpfac.u . . . . . . . . 9 (𝜑𝑈 ∈ (SubGrp‘𝐺))
94subg0cl 17534 . . . . . . . . 9 (𝑈 ∈ (SubGrp‘𝐺) → (0g𝐺) ∈ 𝑈)
108, 9syl 17 . . . . . . . 8 (𝜑 → (0g𝐺) ∈ 𝑈)
1110adantr 481 . . . . . . 7 ((𝜑 ∧ (gEx‘(𝐺s 𝑈)) = 1) → (0g𝐺) ∈ 𝑈)
12 eqid 2621 . . . . . . . . . . 11 (𝐺s 𝑈) = (𝐺s 𝑈)
1312subgbas 17530 . . . . . . . . . 10 (𝑈 ∈ (SubGrp‘𝐺) → 𝑈 = (Base‘(𝐺s 𝑈)))
148, 13syl 17 . . . . . . . . 9 (𝜑𝑈 = (Base‘(𝐺s 𝑈)))
1514adantr 481 . . . . . . . 8 ((𝜑 ∧ (gEx‘(𝐺s 𝑈)) = 1) → 𝑈 = (Base‘(𝐺s 𝑈)))
1612subggrp 17529 . . . . . . . . . . 11 (𝑈 ∈ (SubGrp‘𝐺) → (𝐺s 𝑈) ∈ Grp)
178, 16syl 17 . . . . . . . . . 10 (𝜑 → (𝐺s 𝑈) ∈ Grp)
18 grpmnd 17361 . . . . . . . . . 10 ((𝐺s 𝑈) ∈ Grp → (𝐺s 𝑈) ∈ Mnd)
19 eqid 2621 . . . . . . . . . . 11 (Base‘(𝐺s 𝑈)) = (Base‘(𝐺s 𝑈))
20 eqid 2621 . . . . . . . . . . 11 (gEx‘(𝐺s 𝑈)) = (gEx‘(𝐺s 𝑈))
2119, 20gex1 17938 . . . . . . . . . 10 ((𝐺s 𝑈) ∈ Mnd → ((gEx‘(𝐺s 𝑈)) = 1 ↔ (Base‘(𝐺s 𝑈)) ≈ 1𝑜))
2217, 18, 213syl 18 . . . . . . . . 9 (𝜑 → ((gEx‘(𝐺s 𝑈)) = 1 ↔ (Base‘(𝐺s 𝑈)) ≈ 1𝑜))
2322biimpa 501 . . . . . . . 8 ((𝜑 ∧ (gEx‘(𝐺s 𝑈)) = 1) → (Base‘(𝐺s 𝑈)) ≈ 1𝑜)
2415, 23eqbrtrd 4640 . . . . . . 7 ((𝜑 ∧ (gEx‘(𝐺s 𝑈)) = 1) → 𝑈 ≈ 1𝑜)
25 en1eqsn 8142 . . . . . . 7 (((0g𝐺) ∈ 𝑈𝑈 ≈ 1𝑜) → 𝑈 = {(0g𝐺)})
2611, 24, 25syl2anc 692 . . . . . 6 ((𝜑 ∧ (gEx‘(𝐺s 𝑈)) = 1) → 𝑈 = {(0g𝐺)})
2726eqeq2d 2631 . . . . 5 ((𝜑 ∧ (gEx‘(𝐺s 𝑈)) = 1) → ((𝐺 DProd ∅) = 𝑈 ↔ (𝐺 DProd ∅) = {(0g𝐺)}))
2827anbi2d 739 . . . 4 ((𝜑 ∧ (gEx‘(𝐺s 𝑈)) = 1) → ((𝐺dom DProd ∅ ∧ (𝐺 DProd ∅) = 𝑈) ↔ (𝐺dom DProd ∅ ∧ (𝐺 DProd ∅) = {(0g𝐺)})))
297, 28mpbird 247 . . 3 ((𝜑 ∧ (gEx‘(𝐺s 𝑈)) = 1) → (𝐺dom DProd ∅ ∧ (𝐺 DProd ∅) = 𝑈))
30 breq2 4622 . . . . 5 (𝑠 = ∅ → (𝐺dom DProd 𝑠𝐺dom DProd ∅))
31 oveq2 6618 . . . . . 6 (𝑠 = ∅ → (𝐺 DProd 𝑠) = (𝐺 DProd ∅))
3231eqeq1d 2623 . . . . 5 (𝑠 = ∅ → ((𝐺 DProd 𝑠) = 𝑈 ↔ (𝐺 DProd ∅) = 𝑈))
3330, 32anbi12d 746 . . . 4 (𝑠 = ∅ → ((𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈) ↔ (𝐺dom DProd ∅ ∧ (𝐺 DProd ∅) = 𝑈)))
3433rspcev 3298 . . 3 ((∅ ∈ Word 𝐶 ∧ (𝐺dom DProd ∅ ∧ (𝐺 DProd ∅) = 𝑈)) → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈))
351, 29, 34sylancr 694 . 2 ((𝜑 ∧ (gEx‘(𝐺s 𝑈)) = 1) → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈))
3612subgabl 18173 . . . . . 6 ((𝐺 ∈ Abel ∧ 𝑈 ∈ (SubGrp‘𝐺)) → (𝐺s 𝑈) ∈ Abel)
372, 8, 36syl2anc 692 . . . . 5 (𝜑 → (𝐺s 𝑈) ∈ Abel)
38 pgpfac.f . . . . . . . 8 (𝜑𝐵 ∈ Fin)
39 pgpfac.b . . . . . . . . . 10 𝐵 = (Base‘𝐺)
4039subgss 17527 . . . . . . . . 9 (𝑈 ∈ (SubGrp‘𝐺) → 𝑈𝐵)
418, 40syl 17 . . . . . . . 8 (𝜑𝑈𝐵)
42 ssfi 8132 . . . . . . . 8 ((𝐵 ∈ Fin ∧ 𝑈𝐵) → 𝑈 ∈ Fin)
4338, 41, 42syl2anc 692 . . . . . . 7 (𝜑𝑈 ∈ Fin)
4414, 43eqeltrrd 2699 . . . . . 6 (𝜑 → (Base‘(𝐺s 𝑈)) ∈ Fin)
4519, 20gexcl2 17936 . . . . . 6 (((𝐺s 𝑈) ∈ Grp ∧ (Base‘(𝐺s 𝑈)) ∈ Fin) → (gEx‘(𝐺s 𝑈)) ∈ ℕ)
4617, 44, 45syl2anc 692 . . . . 5 (𝜑 → (gEx‘(𝐺s 𝑈)) ∈ ℕ)
47 eqid 2621 . . . . . 6 (od‘(𝐺s 𝑈)) = (od‘(𝐺s 𝑈))
4819, 20, 47gexex 18188 . . . . 5 (((𝐺s 𝑈) ∈ Abel ∧ (gEx‘(𝐺s 𝑈)) ∈ ℕ) → ∃𝑥 ∈ (Base‘(𝐺s 𝑈))((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))
4937, 46, 48syl2anc 692 . . . 4 (𝜑 → ∃𝑥 ∈ (Base‘(𝐺s 𝑈))((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))
5049adantr 481 . . 3 ((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) → ∃𝑥 ∈ (Base‘(𝐺s 𝑈))((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))
51 eqid 2621 . . . . 5 (mrCls‘(SubGrp‘(𝐺s 𝑈))) = (mrCls‘(SubGrp‘(𝐺s 𝑈)))
52 eqid 2621 . . . . 5 ((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) = ((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})
53 eqid 2621 . . . . 5 (0g‘(𝐺s 𝑈)) = (0g‘(𝐺s 𝑈))
54 eqid 2621 . . . . 5 (LSSum‘(𝐺s 𝑈)) = (LSSum‘(𝐺s 𝑈))
55 pgpfac.p . . . . . . 7 (𝜑𝑃 pGrp 𝐺)
56 subgpgp 17944 . . . . . . 7 ((𝑃 pGrp 𝐺𝑈 ∈ (SubGrp‘𝐺)) → 𝑃 pGrp (𝐺s 𝑈))
5755, 8, 56syl2anc 692 . . . . . 6 (𝜑𝑃 pGrp (𝐺s 𝑈))
5857ad2antrr 761 . . . . 5 (((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) → 𝑃 pGrp (𝐺s 𝑈))
5937ad2antrr 761 . . . . 5 (((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) → (𝐺s 𝑈) ∈ Abel)
6044ad2antrr 761 . . . . 5 (((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) → (Base‘(𝐺s 𝑈)) ∈ Fin)
61 simprr 795 . . . . 5 (((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) → ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))
62 simprl 793 . . . . 5 (((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) → 𝑥 ∈ (Base‘(𝐺s 𝑈)))
6351, 52, 19, 47, 20, 53, 54, 58, 59, 60, 61, 62pgpfac1 18411 . . . 4 (((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) → ∃𝑤 ∈ (SubGrp‘(𝐺s 𝑈))((((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = (Base‘(𝐺s 𝑈))))
64 pgpfac.c . . . . 5 𝐶 = {𝑟 ∈ (SubGrp‘𝐺) ∣ (𝐺s 𝑟) ∈ (CycGrp ∩ ran pGrp )}
652ad3antrrr 765 . . . . 5 ((((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = (Base‘(𝐺s 𝑈))))) → 𝐺 ∈ Abel)
6655ad3antrrr 765 . . . . 5 ((((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = (Base‘(𝐺s 𝑈))))) → 𝑃 pGrp 𝐺)
6738ad3antrrr 765 . . . . 5 ((((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = (Base‘(𝐺s 𝑈))))) → 𝐵 ∈ Fin)
688ad3antrrr 765 . . . . 5 ((((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = (Base‘(𝐺s 𝑈))))) → 𝑈 ∈ (SubGrp‘𝐺))
69 pgpfac.a . . . . . 6 (𝜑 → ∀𝑡 ∈ (SubGrp‘𝐺)(𝑡𝑈 → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑡)))
7069ad3antrrr 765 . . . . 5 ((((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = (Base‘(𝐺s 𝑈))))) → ∀𝑡 ∈ (SubGrp‘𝐺)(𝑡𝑈 → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑡)))
71 simpllr 798 . . . . 5 ((((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = (Base‘(𝐺s 𝑈))))) → (gEx‘(𝐺s 𝑈)) ≠ 1)
72 simplrl 799 . . . . . 6 ((((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = (Base‘(𝐺s 𝑈))))) → 𝑥 ∈ (Base‘(𝐺s 𝑈)))
7368, 13syl 17 . . . . . 6 ((((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = (Base‘(𝐺s 𝑈))))) → 𝑈 = (Base‘(𝐺s 𝑈)))
7472, 73eleqtrrd 2701 . . . . 5 ((((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = (Base‘(𝐺s 𝑈))))) → 𝑥𝑈)
75 simplrr 800 . . . . 5 ((((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = (Base‘(𝐺s 𝑈))))) → ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))
76 simprl 793 . . . . 5 ((((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = (Base‘(𝐺s 𝑈))))) → 𝑤 ∈ (SubGrp‘(𝐺s 𝑈)))
77 simprrl 803 . . . . 5 ((((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = (Base‘(𝐺s 𝑈))))) → (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺s 𝑈))})
78 simprrr 804 . . . . . 6 ((((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = (Base‘(𝐺s 𝑈))))) → (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = (Base‘(𝐺s 𝑈)))
7978, 73eqtr4d 2658 . . . . 5 ((((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = (Base‘(𝐺s 𝑈))))) → (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = 𝑈)
8039, 64, 65, 66, 67, 68, 70, 12, 51, 47, 20, 53, 54, 71, 74, 75, 76, 77, 79pgpfaclem2 18413 . . . 4 ((((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) ∧ (𝑤 ∈ (SubGrp‘(𝐺s 𝑈)) ∧ ((((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥}) ∩ 𝑤) = {(0g‘(𝐺s 𝑈))} ∧ (((mrCls‘(SubGrp‘(𝐺s 𝑈)))‘{𝑥})(LSSum‘(𝐺s 𝑈))𝑤) = (Base‘(𝐺s 𝑈))))) → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈))
8163, 80rexlimddv 3029 . . 3 (((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) ∧ (𝑥 ∈ (Base‘(𝐺s 𝑈)) ∧ ((od‘(𝐺s 𝑈))‘𝑥) = (gEx‘(𝐺s 𝑈)))) → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈))
8250, 81rexlimddv 3029 . 2 ((𝜑 ∧ (gEx‘(𝐺s 𝑈)) ≠ 1) → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈))
8335, 82pm2.61dane 2877 1 (𝜑 → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈))
 Colors of variables: wff setvar class Syntax hints:   → wi 4   ↔ wb 196   ∧ wa 384   = wceq 1480   ∈ wcel 1987   ≠ wne 2790  ∀wral 2907  ∃wrex 2908  {crab 2911   ∩ cin 3558   ⊆ wss 3559   ⊊ wpss 3560  ∅c0 3896  {csn 4153   class class class wbr 4618  dom cdm 5079  ran crn 5080  ‘cfv 5852  (class class class)co 6610  1𝑜c1o 7505   ≈ cen 7904  Fincfn 7907  1c1 9889  ℕcn 10972  Word cword 13238  Basecbs 15792   ↾s cress 15793  0gc0g 16032  mrClscmrc 16175  Mndcmnd 17226  Grpcgrp 17354  SubGrpcsubg 17520  odcod 17876  gExcgex 17877   pGrp cpgp 17878  LSSumclsm 17981  Abelcabl 18126  CycGrpccyg 18211   DProd cdprd 18324 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1719  ax-4 1734  ax-5 1836  ax-6 1885  ax-7 1932  ax-8 1989  ax-9 1996  ax-10 2016  ax-11 2031  ax-12 2044  ax-13 2245  ax-ext 2601  ax-rep 4736  ax-sep 4746  ax-nul 4754  ax-pow 4808  ax-pr 4872  ax-un 6909  ax-inf2 8490  ax-cnex 9944  ax-resscn 9945  ax-1cn 9946  ax-icn 9947  ax-addcl 9948  ax-addrcl 9949  ax-mulcl 9950  ax-mulrcl 9951  ax-mulcom 9952  ax-addass 9953  ax-mulass 9954  ax-distr 9955  ax-i2m1 9956  ax-1ne0 9957  ax-1rid 9958  ax-rnegex 9959  ax-rrecex 9960  ax-cnre 9961  ax-pre-lttri 9962  ax-pre-lttrn 9963  ax-pre-ltadd 9964  ax-pre-mulgt0 9965  ax-pre-sup 9966 This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1037  df-3an 1038  df-tru 1483  df-fal 1486  df-ex 1702  df-nf 1707  df-sb 1878  df-eu 2473  df-mo 2474  df-clab 2608  df-cleq 2614  df-clel 2617  df-nfc 2750  df-ne 2791  df-nel 2894  df-ral 2912  df-rex 2913  df-reu 2914  df-rmo 2915  df-rab 2916  df-v 3191  df-sbc 3422  df-csb 3519  df-dif 3562  df-un 3564  df-in 3566  df-ss 3573  df-pss 3575  df-nul 3897  df-if 4064  df-pw 4137  df-sn 4154  df-pr 4156  df-tp 4158  df-op 4160  df-uni 4408  df-int 4446  df-iun 4492  df-iin 4493  df-disj 4589  df-br 4619  df-opab 4679  df-mpt 4680  df-tr 4718  df-eprel 4990  df-id 4994  df-po 5000  df-so 5001  df-fr 5038  df-se 5039  df-we 5040  df-xp 5085  df-rel 5086  df-cnv 5087  df-co 5088  df-dm 5089  df-rn 5090  df-res 5091  df-ima 5092  df-pred 5644  df-ord 5690  df-on 5691  df-lim 5692  df-suc 5693  df-iota 5815  df-fun 5854  df-fn 5855  df-f 5856  df-f1 5857  df-fo 5858  df-f1o 5859  df-fv 5860  df-isom 5861  df-riota 6571  df-ov 6613  df-oprab 6614  df-mpt2 6615  df-of 6857  df-rpss 6897  df-om 7020  df-1st 7120  df-2nd 7121  df-supp 7248  df-tpos 7304  df-wrecs 7359  df-recs 7420  df-rdg 7458  df-1o 7512  df-2o 7513  df-oadd 7516  df-omul 7517  df-er 7694  df-ec 7696  df-qs 7700  df-map 7811  df-ixp 7861  df-en 7908  df-dom 7909  df-sdom 7910  df-fin 7911  df-fsupp 8228  df-sup 8300  df-inf 8301  df-oi 8367  df-card 8717  df-acn 8720  df-cda 8942  df-pnf 10028  df-mnf 10029  df-xr 10030  df-ltxr 10031  df-le 10032  df-sub 10220  df-neg 10221  df-div 10637  df-nn 10973  df-2 11031  df-3 11032  df-n0 11245  df-xnn0 11316  df-z 11330  df-uz 11640  df-q 11741  df-rp 11785  df-fz 12277  df-fzo 12415  df-fl 12541  df-mod 12617  df-seq 12750  df-exp 12809  df-fac 13009  df-bc 13038  df-hash 13066  df-word 13246  df-concat 13248  df-s1 13249  df-cj 13781  df-re 13782  df-im 13783  df-sqrt 13917  df-abs 13918  df-clim 14161  df-sum 14359  df-dvds 14919  df-gcd 15152  df-prm 15321  df-pc 15477  df-ndx 15795  df-slot 15796  df-base 15797  df-sets 15798  df-ress 15799  df-plusg 15886  df-0g 16034  df-gsum 16035  df-mre 16178  df-mrc 16179  df-acs 16181  df-mgm 17174  df-sgrp 17216  df-mnd 17227  df-mhm 17267  df-submnd 17268  df-grp 17357  df-minusg 17358  df-sbg 17359  df-mulg 17473  df-subg 17523  df-eqg 17525  df-ghm 17590  df-gim 17633  df-ga 17655  df-cntz 17682  df-oppg 17708  df-od 17880  df-gex 17881  df-pgp 17882  df-lsm 17983  df-pj1 17984  df-cmn 18127  df-abl 18128  df-cyg 18212  df-dprd 18326 This theorem is referenced by:  pgpfac  18415
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