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Mirrors > Home > MPE Home > Th. List > vrgpf | Structured version Visualization version GIF version |
Description: The mapping from the index set to the generators is a function into the free group. (Contributed by Mario Carneiro, 2-Oct-2015.) |
Ref | Expression |
---|---|
vrgpfval.r | ⊢ ∼ = ( ~FG ‘𝐼) |
vrgpfval.u | ⊢ 𝑈 = (varFGrp‘𝐼) |
vrgpf.m | ⊢ 𝐺 = (freeGrp‘𝐼) |
vrgpf.x | ⊢ 𝑋 = (Base‘𝐺) |
Ref | Expression |
---|---|
vrgpf | ⊢ (𝐼 ∈ 𝑉 → 𝑈:𝐼⟶𝑋) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | vrgpfval.r | . . 3 ⊢ ∼ = ( ~FG ‘𝐼) | |
2 | vrgpfval.u | . . 3 ⊢ 𝑈 = (varFGrp‘𝐼) | |
3 | 1, 2 | vrgpfval 19287 | . 2 ⊢ (𝐼 ∈ 𝑉 → 𝑈 = (𝑗 ∈ 𝐼 ↦ [〈“〈𝑗, ∅〉”〉] ∼ )) |
4 | 0ex 5226 | . . . . . . . . 9 ⊢ ∅ ∈ V | |
5 | 4 | prid1 4695 | . . . . . . . 8 ⊢ ∅ ∈ {∅, 1o} |
6 | df2o3 8282 | . . . . . . . 8 ⊢ 2o = {∅, 1o} | |
7 | 5, 6 | eleqtrri 2838 | . . . . . . 7 ⊢ ∅ ∈ 2o |
8 | opelxpi 5617 | . . . . . . 7 ⊢ ((𝑗 ∈ 𝐼 ∧ ∅ ∈ 2o) → 〈𝑗, ∅〉 ∈ (𝐼 × 2o)) | |
9 | 7, 8 | mpan2 687 | . . . . . 6 ⊢ (𝑗 ∈ 𝐼 → 〈𝑗, ∅〉 ∈ (𝐼 × 2o)) |
10 | 9 | adantl 481 | . . . . 5 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑗 ∈ 𝐼) → 〈𝑗, ∅〉 ∈ (𝐼 × 2o)) |
11 | 10 | s1cld 14236 | . . . 4 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑗 ∈ 𝐼) → 〈“〈𝑗, ∅〉”〉 ∈ Word (𝐼 × 2o)) |
12 | 2on 8275 | . . . . . . 7 ⊢ 2o ∈ On | |
13 | xpexg 7578 | . . . . . . 7 ⊢ ((𝐼 ∈ 𝑉 ∧ 2o ∈ On) → (𝐼 × 2o) ∈ V) | |
14 | 12, 13 | mpan2 687 | . . . . . 6 ⊢ (𝐼 ∈ 𝑉 → (𝐼 × 2o) ∈ V) |
15 | 14 | adantr 480 | . . . . 5 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑗 ∈ 𝐼) → (𝐼 × 2o) ∈ V) |
16 | wrdexg 14155 | . . . . 5 ⊢ ((𝐼 × 2o) ∈ V → Word (𝐼 × 2o) ∈ V) | |
17 | fvi 6826 | . . . . 5 ⊢ (Word (𝐼 × 2o) ∈ V → ( I ‘Word (𝐼 × 2o)) = Word (𝐼 × 2o)) | |
18 | 15, 16, 17 | 3syl 18 | . . . 4 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑗 ∈ 𝐼) → ( I ‘Word (𝐼 × 2o)) = Word (𝐼 × 2o)) |
19 | 11, 18 | eleqtrrd 2842 | . . 3 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑗 ∈ 𝐼) → 〈“〈𝑗, ∅〉”〉 ∈ ( I ‘Word (𝐼 × 2o))) |
20 | vrgpf.m | . . . 4 ⊢ 𝐺 = (freeGrp‘𝐼) | |
21 | eqid 2738 | . . . 4 ⊢ ( I ‘Word (𝐼 × 2o)) = ( I ‘Word (𝐼 × 2o)) | |
22 | vrgpf.x | . . . 4 ⊢ 𝑋 = (Base‘𝐺) | |
23 | 20, 1, 21, 22 | frgpeccl 19282 | . . 3 ⊢ (〈“〈𝑗, ∅〉”〉 ∈ ( I ‘Word (𝐼 × 2o)) → [〈“〈𝑗, ∅〉”〉] ∼ ∈ 𝑋) |
24 | 19, 23 | syl 17 | . 2 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑗 ∈ 𝐼) → [〈“〈𝑗, ∅〉”〉] ∼ ∈ 𝑋) |
25 | 3, 24 | fmpt3d 6972 | 1 ⊢ (𝐼 ∈ 𝑉 → 𝑈:𝐼⟶𝑋) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1539 ∈ wcel 2108 Vcvv 3422 ∅c0 4253 {cpr 4560 〈cop 4564 I cid 5479 × cxp 5578 Oncon0 6251 ⟶wf 6414 ‘cfv 6418 1oc1o 8260 2oc2o 8261 [cec 8454 Word cword 14145 〈“cs1 14228 Basecbs 16840 ~FG cefg 19227 freeGrpcfrgp 19228 varFGrpcvrgp 19229 |
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-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 |
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-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-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-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-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-2o 8268 df-er 8456 df-ec 8458 df-qs 8462 df-map 8575 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-sup 9131 df-inf 9132 df-card 9628 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-nn 11904 df-2 11966 df-3 11967 df-4 11968 df-5 11969 df-6 11970 df-7 11971 df-8 11972 df-9 11973 df-n0 12164 df-z 12250 df-dec 12367 df-uz 12512 df-fz 13169 df-fzo 13312 df-hash 13973 df-word 14146 df-s1 14229 df-struct 16776 df-slot 16811 df-ndx 16823 df-base 16841 df-plusg 16901 df-mulr 16902 df-sca 16904 df-vsca 16905 df-ip 16906 df-tset 16907 df-ple 16908 df-ds 16910 df-imas 17136 df-qus 17137 df-frmd 18403 df-frgp 19231 df-vrgp 19232 |
This theorem is referenced by: frgpup3lem 19298 frgpup3 19299 0frgp 19300 frgpnabllem2 19390 frgpnabl 19391 frgpcyg 20693 |
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