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| Description: Lemma for ablfac 20109. (Contributed by Mario Carneiro, 27-Apr-2016.) (Revised by Mario Carneiro, 3-May-2016.) | 
| 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)}) | 
| Ref | Expression | 
|---|---|
| ablfaclem1 | ⊢ (𝑈 ∈ (SubGrp‘𝐺) → (𝑊‘𝑈) = {𝑠 ∈ Word 𝐶 ∣ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈)}) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | eqeq2 2748 | . . . 4 ⊢ (𝑔 = 𝑈 → ((𝐺 DProd 𝑠) = 𝑔 ↔ (𝐺 DProd 𝑠) = 𝑈)) | |
| 2 | 1 | anbi2d 630 | . . 3 ⊢ (𝑔 = 𝑈 → ((𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑔) ↔ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈))) | 
| 3 | 2 | rabbidv 3443 | . 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 6918 | . . . . 5 ⊢ (SubGrp‘𝐺) ∈ V | |
| 7 | 5, 6 | rabex2 5340 | . . . 4 ⊢ 𝐶 ∈ V | 
| 8 | 7 | wrdexi 14565 | . . 3 ⊢ Word 𝐶 ∈ V | 
| 9 | 8 | rabex 5338 | . 2 ⊢ {𝑠 ∈ Word 𝐶 ∣ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈)} ∈ V | 
| 10 | 3, 4, 9 | fvmpt 7015 | 1 ⊢ (𝑈 ∈ (SubGrp‘𝐺) → (𝑊‘𝑈) = {𝑠 ∈ Word 𝐶 ∣ (𝐺dom DProd 𝑠 ∧ (𝐺 DProd 𝑠) = 𝑈)}) | 
| Colors of variables: wff setvar class | 
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1539 ∈ wcel 2107 {crab 3435 ∩ cin 3949 class class class wbr 5142 ↦ cmpt 5224 dom cdm 5684 ran crn 5685 ‘cfv 6560 (class class class)co 7432 Fincfn 8986 ↑cexp 14103 ♯chash 14370 Word cword 14553 ∥ cdvds 16291 ℙcprime 16709 pCnt cpc 16875 Basecbs 17248 ↾s cress 17275 SubGrpcsubg 19139 odcod 19543 pGrp cpgp 19545 Abelcabl 19800 CycGrpccyg 19896 DProd cdprd 20014 | 
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2707 ax-rep 5278 ax-sep 5295 ax-nul 5305 ax-pow 5364 ax-pr 5431 ax-un 7756 ax-cnex 11212 ax-1cn 11214 ax-addcl 11216 | 
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1779 df-nf 1783 df-sb 2064 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2728 df-clel 2815 df-nfc 2891 df-ne 2940 df-ral 3061 df-rex 3070 df-reu 3380 df-rab 3436 df-v 3481 df-sbc 3788 df-csb 3899 df-dif 3953 df-un 3955 df-in 3957 df-ss 3967 df-pss 3970 df-nul 4333 df-if 4525 df-pw 4601 df-sn 4626 df-pr 4628 df-op 4632 df-uni 4907 df-iun 4992 df-br 5143 df-opab 5205 df-mpt 5225 df-tr 5259 df-id 5577 df-eprel 5583 df-po 5591 df-so 5592 df-fr 5636 df-we 5638 df-xp 5690 df-rel 5691 df-cnv 5692 df-co 5693 df-dm 5694 df-rn 5695 df-res 5696 df-ima 5697 df-pred 6320 df-ord 6386 df-on 6387 df-lim 6388 df-suc 6389 df-iota 6513 df-fun 6562 df-fn 6563 df-f 6564 df-f1 6565 df-fo 6566 df-f1o 6567 df-fv 6568 df-ov 7435 df-oprab 7436 df-mpo 7437 df-om 7889 df-2nd 8016 df-frecs 8307 df-wrecs 8338 df-recs 8412 df-rdg 8451 df-map 8869 df-nn 12268 df-n0 12529 df-word 14554 | 
| This theorem is referenced by: ablfaclem2 20107 ablfaclem3 20108 ablfac 20109 | 
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