Theorem ablfaclem1 18530

Description: Lemma for ablfac 18533. (Contributed by Mario Carneiro, 27-Apr-2016.) (Revised by Mario Carneiro, 3-May-2016.)

Hypotheses

Ref	Expression
ablfac.b	⊢ 𝐵 = (Base‘𝐺)
ablfac.c	⊢ 𝐶 = {𝑟 ∈ (SubGrp‘𝐺) ∣ (𝐺 ↾s 𝑟) ∈ (CycGrp ∩ ran pGrp )}
ablfac.1	⊢ (𝜑 → 𝐺 ∈ Abel)
ablfac.2	⊢ (𝜑 → 𝐵 ∈ Fin)
ablfac.o	⊢ 𝑂 = (od‘𝐺)
ablfac.a	⊢ 𝐴 = {𝑤 ∈ ℙ ∣ 𝑤 ∥ (#‘𝐵)}
ablfac.s	⊢ 𝑆 = (𝑝 ∈ 𝐴 ↦ {𝑥 ∈ 𝐵 ∣ (𝑂‘𝑥) ∥ (𝑝↑(𝑝 pCnt (#‘𝐵)))})
ablfac.w	⊢ 𝑊 = (𝑔 ∈ (SubGrp‘𝐺) ↦ {𝑠 ∈ Word 𝐶 ∣ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑔)})

Assertion

Ref	Expression
ablfaclem1	⊢ (𝑈 ∈ (SubGrp‘𝐺) → (𝑊‘𝑈) = {𝑠 ∈ Word 𝐶 ∣ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈)})

Distinct variable groups:   𝑠,𝑝,𝑥,𝐴   𝑔,𝑟,𝑠,𝑆   𝑔,𝑝,𝑤,𝑥,𝐵,𝑟,𝑠   𝑂,𝑝,𝑥   𝐶,𝑔,𝑝,𝑠,𝑤,𝑥   𝑊,𝑝,𝑤,𝑥   𝜑,𝑝,𝑠,𝑤,𝑥   𝑈,𝑔,𝑠   𝑔,𝐺,𝑝,𝑟,𝑠,𝑤,𝑥

Allowed substitution hints:   𝜑(𝑔,𝑟)   𝐴(𝑤,𝑔,𝑟)   𝐶(𝑟)   𝑆(𝑥,𝑤,𝑝)   𝑈(𝑥,𝑤,𝑟,𝑝)   𝑂(𝑤,𝑔,𝑠,𝑟)   𝑊(𝑔,𝑠,𝑟)

Proof of Theorem ablfaclem1

Step	Hyp	Ref	Expression
1		eqeq2 2662	. . . 4 ⊢ (𝑔 = 𝑈 → ((𝐺 DProd 𝑠) = 𝑔 ↔ (𝐺 DProd 𝑠) = 𝑈))
2	1	anbi2d 740	. . 3 ⊢ (𝑔 = 𝑈 → ((𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑔) ↔ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈)))
3	2	rabbidv 3220	. 2 ⊢ (𝑔 = 𝑈 → {𝑠 ∈ Word 𝐶 ∣ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑔)} = {𝑠 ∈ Word 𝐶 ∣ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈)})
4		ablfac.w	. 2 ⊢ 𝑊 = (𝑔 ∈ (SubGrp‘𝐺) ↦ {𝑠 ∈ Word 𝐶 ∣ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑔)})
5		ablfac.c	. . . . 5 ⊢ 𝐶 = {𝑟 ∈ (SubGrp‘𝐺) ∣ (𝐺 ↾s 𝑟) ∈ (CycGrp ∩ ran pGrp )}
6		fvex 6239	. . . . 5 ⊢ (SubGrp‘𝐺) ∈ V
7	5, 6	rabex2 4847	. . . 4 ⊢ 𝐶 ∈ V
8		wrdexg 13347	. . . 4 ⊢ (𝐶 ∈ V → Word 𝐶 ∈ V)
9	7, 8	ax-mp 5	. . 3 ⊢ Word 𝐶 ∈ V
10	9	rabex 4845	. 2 ⊢ {𝑠 ∈ Word 𝐶 ∣ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈)} ∈ V
11	3, 4, 10	fvmpt 6321	1 ⊢ (𝑈 ∈ (SubGrp‘𝐺) → (𝑊‘𝑈) = {𝑠 ∈ Word 𝐶 ∣ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈)})

Syntax hints:   → wi 4   ∧ wa 383   = wceq 1523   ∈ wcel 2030  {crab 2945  Vcvv 3231   ∩ cin 3606   class class class wbr 4685   ↦ cmpt 4762  dom cdm 5143  ran crn 5144  ‘cfv 5926  (class class class)co 6690  Fincfn 7997  ↑cexp 12900  #chash 13157  Word cword 13323   ∥ cdvds 15027  ℙcprime 15432   pCnt cpc 15588  Basecbs 15904   ↾_s cress 15905  SubGrpcsubg 17635  odcod 17990   pGrp cpgp 17992  Abelcabl 18240  CycGrpccyg 18325   DProd cdprd 18438

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1762  ax-4 1777  ax-5 1879  ax-6 1945  ax-7 1981  ax-8 2032  ax-9 2039  ax-10 2059  ax-11 2074  ax-12 2087  ax-13 2282  ax-ext 2631  ax-sep 4814  ax-nul 4822  ax-pow 4873  ax-pr 4936  ax-un 6991  ax-cnex 10030  ax-resscn 10031

This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3or 1055  df-3an 1056  df-tru 1526  df-ex 1745  df-nf 1750  df-sb 1938  df-eu 2502  df-mo 2503  df-clab 2638  df-cleq 2644  df-clel 2647  df-nfc 2782  df-ne 2824  df-ral 2946  df-rex 2947  df-rab 2950  df-v 3233  df-sbc 3469  df-csb 3567  df-dif 3610  df-un 3612  df-in 3614  df-ss 3621  df-nul 3949  df-if 4120  df-pw 4193  df-sn 4211  df-pr 4213  df-op 4217  df-uni 4469  df-iun 4554  df-br 4686  df-opab 4746  df-mpt 4763  df-id 5053  df-xp 5149  df-rel 5150  df-cnv 5151  df-co 5152  df-dm 5153  df-rn 5154  df-res 5155  df-ima 5156  df-iota 5889  df-fun 5928  df-fn 5929  df-f 5930  df-fv 5934  df-ov 6693  df-oprab 6694  df-mpt2 6695  df-1st 7210  df-2nd 7211  df-map 7901  df-pm 7902  df-neg 10307  df-z 11416  df-uz 11726  df-fz 12365  df-fzo 12505  df-word 13331

This theorem is referenced by:  ablfaclem2  18531  ablfaclem3  18532  ablfac  18533