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Theorem ablfac2 19430
Description: Choose generators for each cyclic group in ablfac 19429. (Contributed by Mario Carneiro, 28-Apr-2016.)
Hypotheses
Ref Expression
ablfac.b 𝐵 = (Base‘𝐺)
ablfac.c 𝐶 = {𝑟 ∈ (SubGrp‘𝐺) ∣ (𝐺s 𝑟) ∈ (CycGrp ∩ ran pGrp )}
ablfac.1 (𝜑𝐺 ∈ Abel)
ablfac.2 (𝜑𝐵 ∈ Fin)
ablfac2.m · = (.g𝐺)
ablfac2.s 𝑆 = (𝑘 ∈ dom 𝑤 ↦ ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))))
Assertion
Ref Expression
ablfac2 (𝜑 → ∃𝑤 ∈ Word 𝐵(𝑆:dom 𝑤𝐶𝐺dom DProd 𝑆 ∧ (𝐺 DProd 𝑆) = 𝐵))
Distinct variable groups:   𝑆,𝑟   𝑘,𝑛,𝑟,𝑤,𝐵   · ,𝑘,𝑤   𝐶,𝑘,𝑛,𝑤   𝜑,𝑘,𝑛,𝑤   𝑘,𝐺,𝑛,𝑟,𝑤
Allowed substitution hints:   𝜑(𝑟)   𝐶(𝑟)   𝑆(𝑤,𝑘,𝑛)   · (𝑛,𝑟)

Proof of Theorem ablfac2
Dummy variables 𝑠 𝑥 𝑗 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 wrdf 14039 . . . . . . . 8 (𝑠 ∈ Word 𝐶𝑠:(0..^(♯‘𝑠))⟶𝐶)
21ad2antlr 727 . . . . . . 7 (((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) → 𝑠:(0..^(♯‘𝑠))⟶𝐶)
32fdmd 6534 . . . . . 6 (((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) → dom 𝑠 = (0..^(♯‘𝑠)))
4 fzofi 13512 . . . . . 6 (0..^(♯‘𝑠)) ∈ Fin
53, 4eqeltrdi 2839 . . . . 5 (((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) → dom 𝑠 ∈ Fin)
62ffdmd 6554 . . . . . . . . . 10 (((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) → 𝑠:dom 𝑠𝐶)
76ffvelrnda 6882 . . . . . . . . 9 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) → (𝑠𝑘) ∈ 𝐶)
8 oveq2 7199 . . . . . . . . . . . 12 (𝑟 = (𝑠𝑘) → (𝐺s 𝑟) = (𝐺s (𝑠𝑘)))
98eleq1d 2815 . . . . . . . . . . 11 (𝑟 = (𝑠𝑘) → ((𝐺s 𝑟) ∈ (CycGrp ∩ ran pGrp ) ↔ (𝐺s (𝑠𝑘)) ∈ (CycGrp ∩ ran pGrp )))
10 ablfac.c . . . . . . . . . . 11 𝐶 = {𝑟 ∈ (SubGrp‘𝐺) ∣ (𝐺s 𝑟) ∈ (CycGrp ∩ ran pGrp )}
119, 10elrab2 3594 . . . . . . . . . 10 ((𝑠𝑘) ∈ 𝐶 ↔ ((𝑠𝑘) ∈ (SubGrp‘𝐺) ∧ (𝐺s (𝑠𝑘)) ∈ (CycGrp ∩ ran pGrp )))
1211simplbi 501 . . . . . . . . 9 ((𝑠𝑘) ∈ 𝐶 → (𝑠𝑘) ∈ (SubGrp‘𝐺))
137, 12syl 17 . . . . . . . 8 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) → (𝑠𝑘) ∈ (SubGrp‘𝐺))
14 ablfac.b . . . . . . . . 9 𝐵 = (Base‘𝐺)
1514subgss 18498 . . . . . . . 8 ((𝑠𝑘) ∈ (SubGrp‘𝐺) → (𝑠𝑘) ⊆ 𝐵)
1613, 15syl 17 . . . . . . 7 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) → (𝑠𝑘) ⊆ 𝐵)
1711simprbi 500 . . . . . . . . . . . 12 ((𝑠𝑘) ∈ 𝐶 → (𝐺s (𝑠𝑘)) ∈ (CycGrp ∩ ran pGrp ))
187, 17syl 17 . . . . . . . . . . 11 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) → (𝐺s (𝑠𝑘)) ∈ (CycGrp ∩ ran pGrp ))
1918elin1d 4098 . . . . . . . . . 10 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) → (𝐺s (𝑠𝑘)) ∈ CycGrp)
20 eqid 2736 . . . . . . . . . . . 12 (Base‘(𝐺s (𝑠𝑘))) = (Base‘(𝐺s (𝑠𝑘)))
21 eqid 2736 . . . . . . . . . . . 12 (.g‘(𝐺s (𝑠𝑘))) = (.g‘(𝐺s (𝑠𝑘)))
2220, 21iscyg 19217 . . . . . . . . . . 11 ((𝐺s (𝑠𝑘)) ∈ CycGrp ↔ ((𝐺s (𝑠𝑘)) ∈ Grp ∧ ∃𝑥 ∈ (Base‘(𝐺s (𝑠𝑘)))ran (𝑛 ∈ ℤ ↦ (𝑛(.g‘(𝐺s (𝑠𝑘)))𝑥)) = (Base‘(𝐺s (𝑠𝑘)))))
2322simprbi 500 . . . . . . . . . 10 ((𝐺s (𝑠𝑘)) ∈ CycGrp → ∃𝑥 ∈ (Base‘(𝐺s (𝑠𝑘)))ran (𝑛 ∈ ℤ ↦ (𝑛(.g‘(𝐺s (𝑠𝑘)))𝑥)) = (Base‘(𝐺s (𝑠𝑘))))
2419, 23syl 17 . . . . . . . . 9 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) → ∃𝑥 ∈ (Base‘(𝐺s (𝑠𝑘)))ran (𝑛 ∈ ℤ ↦ (𝑛(.g‘(𝐺s (𝑠𝑘)))𝑥)) = (Base‘(𝐺s (𝑠𝑘))))
25 eqid 2736 . . . . . . . . . . . 12 (𝐺s (𝑠𝑘)) = (𝐺s (𝑠𝑘))
2625subgbas 18501 . . . . . . . . . . 11 ((𝑠𝑘) ∈ (SubGrp‘𝐺) → (𝑠𝑘) = (Base‘(𝐺s (𝑠𝑘))))
2713, 26syl 17 . . . . . . . . . 10 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) → (𝑠𝑘) = (Base‘(𝐺s (𝑠𝑘))))
2827rexeqdv 3316 . . . . . . . . 9 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) → (∃𝑥 ∈ (𝑠𝑘)ran (𝑛 ∈ ℤ ↦ (𝑛(.g‘(𝐺s (𝑠𝑘)))𝑥)) = (Base‘(𝐺s (𝑠𝑘))) ↔ ∃𝑥 ∈ (Base‘(𝐺s (𝑠𝑘)))ran (𝑛 ∈ ℤ ↦ (𝑛(.g‘(𝐺s (𝑠𝑘)))𝑥)) = (Base‘(𝐺s (𝑠𝑘)))))
2924, 28mpbird 260 . . . . . . . 8 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) → ∃𝑥 ∈ (𝑠𝑘)ran (𝑛 ∈ ℤ ↦ (𝑛(.g‘(𝐺s (𝑠𝑘)))𝑥)) = (Base‘(𝐺s (𝑠𝑘))))
3013ad2antrr 726 . . . . . . . . . . . . 13 ((((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) ∧ 𝑥 ∈ (𝑠𝑘)) ∧ 𝑛 ∈ ℤ) → (𝑠𝑘) ∈ (SubGrp‘𝐺))
31 simpr 488 . . . . . . . . . . . . 13 ((((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) ∧ 𝑥 ∈ (𝑠𝑘)) ∧ 𝑛 ∈ ℤ) → 𝑛 ∈ ℤ)
32 simplr 769 . . . . . . . . . . . . 13 ((((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) ∧ 𝑥 ∈ (𝑠𝑘)) ∧ 𝑛 ∈ ℤ) → 𝑥 ∈ (𝑠𝑘))
33 ablfac2.m . . . . . . . . . . . . . 14 · = (.g𝐺)
3433, 25, 21subgmulg 18511 . . . . . . . . . . . . 13 (((𝑠𝑘) ∈ (SubGrp‘𝐺) ∧ 𝑛 ∈ ℤ ∧ 𝑥 ∈ (𝑠𝑘)) → (𝑛 · 𝑥) = (𝑛(.g‘(𝐺s (𝑠𝑘)))𝑥))
3530, 31, 32, 34syl3anc 1373 . . . . . . . . . . . 12 ((((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) ∧ 𝑥 ∈ (𝑠𝑘)) ∧ 𝑛 ∈ ℤ) → (𝑛 · 𝑥) = (𝑛(.g‘(𝐺s (𝑠𝑘)))𝑥))
3635mpteq2dva 5135 . . . . . . . . . . 11 (((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) ∧ 𝑥 ∈ (𝑠𝑘)) → (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = (𝑛 ∈ ℤ ↦ (𝑛(.g‘(𝐺s (𝑠𝑘)))𝑥)))
3736rneqd 5792 . . . . . . . . . 10 (((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) ∧ 𝑥 ∈ (𝑠𝑘)) → ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = ran (𝑛 ∈ ℤ ↦ (𝑛(.g‘(𝐺s (𝑠𝑘)))𝑥)))
3827adantr 484 . . . . . . . . . 10 (((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) ∧ 𝑥 ∈ (𝑠𝑘)) → (𝑠𝑘) = (Base‘(𝐺s (𝑠𝑘))))
3937, 38eqeq12d 2752 . . . . . . . . 9 (((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) ∧ 𝑥 ∈ (𝑠𝑘)) → (ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = (𝑠𝑘) ↔ ran (𝑛 ∈ ℤ ↦ (𝑛(.g‘(𝐺s (𝑠𝑘)))𝑥)) = (Base‘(𝐺s (𝑠𝑘)))))
4039rexbidva 3205 . . . . . . . 8 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) → (∃𝑥 ∈ (𝑠𝑘)ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = (𝑠𝑘) ↔ ∃𝑥 ∈ (𝑠𝑘)ran (𝑛 ∈ ℤ ↦ (𝑛(.g‘(𝐺s (𝑠𝑘)))𝑥)) = (Base‘(𝐺s (𝑠𝑘)))))
4129, 40mpbird 260 . . . . . . 7 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) → ∃𝑥 ∈ (𝑠𝑘)ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = (𝑠𝑘))
42 ssrexv 3954 . . . . . . 7 ((𝑠𝑘) ⊆ 𝐵 → (∃𝑥 ∈ (𝑠𝑘)ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = (𝑠𝑘) → ∃𝑥𝐵 ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = (𝑠𝑘)))
4316, 41, 42sylc 65 . . . . . 6 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ 𝑘 ∈ dom 𝑠) → ∃𝑥𝐵 ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = (𝑠𝑘))
4443ralrimiva 3095 . . . . 5 (((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) → ∀𝑘 ∈ dom 𝑠𝑥𝐵 ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = (𝑠𝑘))
45 oveq2 7199 . . . . . . . . 9 (𝑥 = (𝑤𝑘) → (𝑛 · 𝑥) = (𝑛 · (𝑤𝑘)))
4645mpteq2dv 5136 . . . . . . . 8 (𝑥 = (𝑤𝑘) → (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))))
4746rneqd 5792 . . . . . . 7 (𝑥 = (𝑤𝑘) → ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))))
4847eqeq1d 2738 . . . . . 6 (𝑥 = (𝑤𝑘) → (ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = (𝑠𝑘) ↔ ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘)))
4948ac6sfi 8893 . . . . 5 ((dom 𝑠 ∈ Fin ∧ ∀𝑘 ∈ dom 𝑠𝑥𝐵 ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = (𝑠𝑘)) → ∃𝑤(𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘)))
505, 44, 49syl2anc 587 . . . 4 (((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) → ∃𝑤(𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘)))
51 simprl 771 . . . . . . . . 9 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → 𝑤:dom 𝑠𝐵)
523adantr 484 . . . . . . . . . 10 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → dom 𝑠 = (0..^(♯‘𝑠)))
5352feq2d 6509 . . . . . . . . 9 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → (𝑤:dom 𝑠𝐵𝑤:(0..^(♯‘𝑠))⟶𝐵))
5451, 53mpbid 235 . . . . . . . 8 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → 𝑤:(0..^(♯‘𝑠))⟶𝐵)
55 iswrdi 14038 . . . . . . . 8 (𝑤:(0..^(♯‘𝑠))⟶𝐵𝑤 ∈ Word 𝐵)
5654, 55syl 17 . . . . . . 7 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → 𝑤 ∈ Word 𝐵)
5751fdmd 6534 . . . . . . . . . . . 12 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → dom 𝑤 = dom 𝑠)
5857eleq2d 2816 . . . . . . . . . . 11 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → (𝑗 ∈ dom 𝑤𝑗 ∈ dom 𝑠))
5958biimpa 480 . . . . . . . . . 10 (((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) ∧ 𝑗 ∈ dom 𝑤) → 𝑗 ∈ dom 𝑠)
60 simprr 773 . . . . . . . . . . . 12 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))
61 simpl 486 . . . . . . . . . . . . . . . . . 18 ((𝑘 = 𝑗𝑛 ∈ ℤ) → 𝑘 = 𝑗)
6261fveq2d 6699 . . . . . . . . . . . . . . . . 17 ((𝑘 = 𝑗𝑛 ∈ ℤ) → (𝑤𝑘) = (𝑤𝑗))
6362oveq2d 7207 . . . . . . . . . . . . . . . 16 ((𝑘 = 𝑗𝑛 ∈ ℤ) → (𝑛 · (𝑤𝑘)) = (𝑛 · (𝑤𝑗)))
6463mpteq2dva 5135 . . . . . . . . . . . . . . 15 (𝑘 = 𝑗 → (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑗))))
6564rneqd 5792 . . . . . . . . . . . . . 14 (𝑘 = 𝑗 → ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑗))))
66 fveq2 6695 . . . . . . . . . . . . . 14 (𝑘 = 𝑗 → (𝑠𝑘) = (𝑠𝑗))
6765, 66eqeq12d 2752 . . . . . . . . . . . . 13 (𝑘 = 𝑗 → (ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘) ↔ ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑗))) = (𝑠𝑗)))
6867rspccva 3526 . . . . . . . . . . . 12 ((∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘) ∧ 𝑗 ∈ dom 𝑠) → ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑗))) = (𝑠𝑗))
6960, 68sylan 583 . . . . . . . . . . 11 (((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) ∧ 𝑗 ∈ dom 𝑠) → ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑗))) = (𝑠𝑗))
706adantr 484 . . . . . . . . . . . 12 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → 𝑠:dom 𝑠𝐶)
7170ffvelrnda 6882 . . . . . . . . . . 11 (((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) ∧ 𝑗 ∈ dom 𝑠) → (𝑠𝑗) ∈ 𝐶)
7269, 71eqeltrd 2831 . . . . . . . . . 10 (((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) ∧ 𝑗 ∈ dom 𝑠) → ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑗))) ∈ 𝐶)
7359, 72syldan 594 . . . . . . . . 9 (((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) ∧ 𝑗 ∈ dom 𝑤) → ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑗))) ∈ 𝐶)
74 ablfac2.s . . . . . . . . . 10 𝑆 = (𝑘 ∈ dom 𝑤 ↦ ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))))
75 fveq2 6695 . . . . . . . . . . . . . 14 (𝑘 = 𝑗 → (𝑤𝑘) = (𝑤𝑗))
7675oveq2d 7207 . . . . . . . . . . . . 13 (𝑘 = 𝑗 → (𝑛 · (𝑤𝑘)) = (𝑛 · (𝑤𝑗)))
7776mpteq2dv 5136 . . . . . . . . . . . 12 (𝑘 = 𝑗 → (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑗))))
7877rneqd 5792 . . . . . . . . . . 11 (𝑘 = 𝑗 → ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑗))))
7978cbvmptv 5143 . . . . . . . . . 10 (𝑘 ∈ dom 𝑤 ↦ ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘)))) = (𝑗 ∈ dom 𝑤 ↦ ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑗))))
8074, 79eqtri 2759 . . . . . . . . 9 𝑆 = (𝑗 ∈ dom 𝑤 ↦ ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑗))))
8173, 80fmptd 6909 . . . . . . . 8 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → 𝑆:dom 𝑤𝐶)
82 simprl 771 . . . . . . . . . 10 (((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) → 𝐺dom DProd 𝑠)
8382adantr 484 . . . . . . . . 9 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → 𝐺dom DProd 𝑠)
8457raleqdv 3315 . . . . . . . . . . . . 13 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → (∀𝑘 ∈ dom 𝑤ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘) ↔ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘)))
8560, 84mpbird 260 . . . . . . . . . . . 12 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → ∀𝑘 ∈ dom 𝑤ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))
86 mpteq12 5127 . . . . . . . . . . . 12 ((dom 𝑤 = dom 𝑠 ∧ ∀𝑘 ∈ dom 𝑤ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘)) → (𝑘 ∈ dom 𝑤 ↦ ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘)))) = (𝑘 ∈ dom 𝑠 ↦ (𝑠𝑘)))
8757, 85, 86syl2anc 587 . . . . . . . . . . 11 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → (𝑘 ∈ dom 𝑤 ↦ ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘)))) = (𝑘 ∈ dom 𝑠 ↦ (𝑠𝑘)))
8874, 87syl5eq 2783 . . . . . . . . . 10 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → 𝑆 = (𝑘 ∈ dom 𝑠 ↦ (𝑠𝑘)))
89 dprdf 19347 . . . . . . . . . . . 12 (𝐺dom DProd 𝑠𝑠:dom 𝑠⟶(SubGrp‘𝐺))
9083, 89syl 17 . . . . . . . . . . 11 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → 𝑠:dom 𝑠⟶(SubGrp‘𝐺))
9190feqmptd 6758 . . . . . . . . . 10 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → 𝑠 = (𝑘 ∈ dom 𝑠 ↦ (𝑠𝑘)))
9288, 91eqtr4d 2774 . . . . . . . . 9 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → 𝑆 = 𝑠)
9383, 92breqtrrd 5067 . . . . . . . 8 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → 𝐺dom DProd 𝑆)
9492oveq2d 7207 . . . . . . . . 9 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → (𝐺 DProd 𝑆) = (𝐺 DProd 𝑠))
95 simplrr 778 . . . . . . . . 9 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → (𝐺 DProd 𝑠) = 𝐵)
9694, 95eqtrd 2771 . . . . . . . 8 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → (𝐺 DProd 𝑆) = 𝐵)
9781, 93, 963jca 1130 . . . . . . 7 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → (𝑆:dom 𝑤𝐶𝐺dom DProd 𝑆 ∧ (𝐺 DProd 𝑆) = 𝐵))
9856, 97jca 515 . . . . . 6 ((((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) ∧ (𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘))) → (𝑤 ∈ Word 𝐵 ∧ (𝑆:dom 𝑤𝐶𝐺dom DProd 𝑆 ∧ (𝐺 DProd 𝑆) = 𝐵)))
9998ex 416 . . . . 5 (((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) → ((𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘)) → (𝑤 ∈ Word 𝐵 ∧ (𝑆:dom 𝑤𝐶𝐺dom DProd 𝑆 ∧ (𝐺 DProd 𝑆) = 𝐵))))
10099eximdv 1925 . . . 4 (((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) → (∃𝑤(𝑤:dom 𝑠𝐵 ∧ ∀𝑘 ∈ dom 𝑠ran (𝑛 ∈ ℤ ↦ (𝑛 · (𝑤𝑘))) = (𝑠𝑘)) → ∃𝑤(𝑤 ∈ Word 𝐵 ∧ (𝑆:dom 𝑤𝐶𝐺dom DProd 𝑆 ∧ (𝐺 DProd 𝑆) = 𝐵))))
10150, 100mpd 15 . . 3 (((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) → ∃𝑤(𝑤 ∈ Word 𝐵 ∧ (𝑆:dom 𝑤𝐶𝐺dom DProd 𝑆 ∧ (𝐺 DProd 𝑆) = 𝐵)))
102 df-rex 3057 . . 3 (∃𝑤 ∈ Word 𝐵(𝑆:dom 𝑤𝐶𝐺dom DProd 𝑆 ∧ (𝐺 DProd 𝑆) = 𝐵) ↔ ∃𝑤(𝑤 ∈ Word 𝐵 ∧ (𝑆:dom 𝑤𝐶𝐺dom DProd 𝑆 ∧ (𝐺 DProd 𝑆) = 𝐵)))
103101, 102sylibr 237 . 2 (((𝜑𝑠 ∈ Word 𝐶) ∧ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵)) → ∃𝑤 ∈ Word 𝐵(𝑆:dom 𝑤𝐶𝐺dom DProd 𝑆 ∧ (𝐺 DProd 𝑆) = 𝐵))
104 ablfac.1 . . 3 (𝜑𝐺 ∈ Abel)
105 ablfac.2 . . 3 (𝜑𝐵 ∈ Fin)
10614, 10, 104, 105ablfac 19429 . 2 (𝜑 → ∃𝑠 ∈ Word 𝐶(𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝐵))
107103, 106r19.29a 3198 1 (𝜑 → ∃𝑤 ∈ Word 𝐵(𝑆:dom 𝑤𝐶𝐺dom DProd 𝑆 ∧ (𝐺 DProd 𝑆) = 𝐵))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 399  w3a 1089   = wceq 1543  wex 1787  wcel 2112  wral 3051  wrex 3052  {crab 3055  cin 3852  wss 3853   class class class wbr 5039  cmpt 5120  dom cdm 5536  ran crn 5537  wf 6354  cfv 6358  (class class class)co 7191  Fincfn 8604  0cc0 10694  cz 12141  ..^cfzo 13203  chash 13861  Word cword 14034  Basecbs 16666  s cress 16667  Grpcgrp 18319  .gcmg 18442  SubGrpcsubg 18491   pGrp cpgp 18872  Abelcabl 19125  CycGrpccyg 19215   DProd cdprd 19334
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1803  ax-4 1817  ax-5 1918  ax-6 1976  ax-7 2018  ax-8 2114  ax-9 2122  ax-10 2143  ax-11 2160  ax-12 2177  ax-ext 2708  ax-rep 5164  ax-sep 5177  ax-nul 5184  ax-pow 5243  ax-pr 5307  ax-un 7501  ax-inf2 9234  ax-cnex 10750  ax-resscn 10751  ax-1cn 10752  ax-icn 10753  ax-addcl 10754  ax-addrcl 10755  ax-mulcl 10756  ax-mulrcl 10757  ax-mulcom 10758  ax-addass 10759  ax-mulass 10760  ax-distr 10761  ax-i2m1 10762  ax-1ne0 10763  ax-1rid 10764  ax-rnegex 10765  ax-rrecex 10766  ax-cnre 10767  ax-pre-lttri 10768  ax-pre-lttrn 10769  ax-pre-ltadd 10770  ax-pre-mulgt0 10771  ax-pre-sup 10772
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 848  df-3or 1090  df-3an 1091  df-tru 1546  df-fal 1556  df-ex 1788  df-nf 1792  df-sb 2073  df-mo 2539  df-eu 2568  df-clab 2715  df-cleq 2728  df-clel 2809  df-nfc 2879  df-ne 2933  df-nel 3037  df-ral 3056  df-rex 3057  df-reu 3058  df-rmo 3059  df-rab 3060  df-v 3400  df-sbc 3684  df-csb 3799  df-dif 3856  df-un 3858  df-in 3860  df-ss 3870  df-pss 3872  df-nul 4224  df-if 4426  df-pw 4501  df-sn 4528  df-pr 4530  df-tp 4532  df-op 4534  df-uni 4806  df-int 4846  df-iun 4892  df-iin 4893  df-disj 5005  df-br 5040  df-opab 5102  df-mpt 5121  df-tr 5147  df-id 5440  df-eprel 5445  df-po 5453  df-so 5454  df-fr 5494  df-se 5495  df-we 5496  df-xp 5542  df-rel 5543  df-cnv 5544  df-co 5545  df-dm 5546  df-rn 5547  df-res 5548  df-ima 5549  df-pred 6140  df-ord 6194  df-on 6195  df-lim 6196  df-suc 6197  df-iota 6316  df-fun 6360  df-fn 6361  df-f 6362  df-f1 6363  df-fo 6364  df-f1o 6365  df-fv 6366  df-isom 6367  df-riota 7148  df-ov 7194  df-oprab 7195  df-mpo 7196  df-of 7447  df-rpss 7489  df-om 7623  df-1st 7739  df-2nd 7740  df-supp 7882  df-tpos 7946  df-wrecs 8025  df-recs 8086  df-rdg 8124  df-1o 8180  df-2o 8181  df-oadd 8184  df-omul 8185  df-er 8369  df-ec 8371  df-qs 8375  df-map 8488  df-ixp 8557  df-en 8605  df-dom 8606  df-sdom 8607  df-fin 8608  df-fsupp 8964  df-sup 9036  df-inf 9037  df-oi 9104  df-dju 9482  df-card 9520  df-acn 9523  df-pnf 10834  df-mnf 10835  df-xr 10836  df-ltxr 10837  df-le 10838  df-sub 11029  df-neg 11030  df-div 11455  df-nn 11796  df-2 11858  df-3 11859  df-n0 12056  df-xnn0 12128  df-z 12142  df-uz 12404  df-q 12510  df-rp 12552  df-fz 13061  df-fzo 13204  df-fl 13332  df-mod 13408  df-seq 13540  df-exp 13601  df-fac 13805  df-bc 13834  df-hash 13862  df-word 14035  df-concat 14091  df-s1 14118  df-cj 14627  df-re 14628  df-im 14629  df-sqrt 14763  df-abs 14764  df-clim 15014  df-sum 15215  df-dvds 15779  df-gcd 16017  df-prm 16192  df-pc 16353  df-ndx 16669  df-slot 16670  df-base 16672  df-sets 16673  df-ress 16674  df-plusg 16762  df-0g 16900  df-gsum 16901  df-mre 17043  df-mrc 17044  df-acs 17046  df-mgm 18068  df-sgrp 18117  df-mnd 18128  df-mhm 18172  df-submnd 18173  df-grp 18322  df-minusg 18323  df-sbg 18324  df-mulg 18443  df-subg 18494  df-eqg 18496  df-ghm 18574  df-gim 18617  df-ga 18638  df-cntz 18665  df-oppg 18692  df-od 18874  df-gex 18875  df-pgp 18876  df-lsm 18979  df-pj1 18980  df-cmn 19126  df-abl 19127  df-cyg 19216  df-dprd 19336
This theorem is referenced by:  dchrpt  26102
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