Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > gsumwsubmcl | Structured version Visualization version GIF version |
Description: Closure of the composite in any submonoid. (Contributed by Stefan O'Rear, 15-Aug-2015.) (Revised by Mario Carneiro, 1-Oct-2015.) |
Ref | Expression |
---|---|
gsumwsubmcl | ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) → (𝐺 Σg 𝑊) ∈ 𝑆) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oveq2 7263 | . . . 4 ⊢ (𝑊 = ∅ → (𝐺 Σg 𝑊) = (𝐺 Σg ∅)) | |
2 | eqid 2738 | . . . . 5 ⊢ (0g‘𝐺) = (0g‘𝐺) | |
3 | 2 | gsum0 18283 | . . . 4 ⊢ (𝐺 Σg ∅) = (0g‘𝐺) |
4 | 1, 3 | eqtrdi 2795 | . . 3 ⊢ (𝑊 = ∅ → (𝐺 Σg 𝑊) = (0g‘𝐺)) |
5 | 4 | eleq1d 2823 | . 2 ⊢ (𝑊 = ∅ → ((𝐺 Σg 𝑊) ∈ 𝑆 ↔ (0g‘𝐺) ∈ 𝑆)) |
6 | eqid 2738 | . . . 4 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
7 | eqid 2738 | . . . 4 ⊢ (+g‘𝐺) = (+g‘𝐺) | |
8 | submrcl 18356 | . . . . 5 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → 𝐺 ∈ Mnd) | |
9 | 8 | ad2antrr 722 | . . . 4 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → 𝐺 ∈ Mnd) |
10 | lennncl 14165 | . . . . . . 7 ⊢ ((𝑊 ∈ Word 𝑆 ∧ 𝑊 ≠ ∅) → (♯‘𝑊) ∈ ℕ) | |
11 | 10 | adantll 710 | . . . . . 6 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → (♯‘𝑊) ∈ ℕ) |
12 | nnm1nn0 12204 | . . . . . 6 ⊢ ((♯‘𝑊) ∈ ℕ → ((♯‘𝑊) − 1) ∈ ℕ0) | |
13 | 11, 12 | syl 17 | . . . . 5 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → ((♯‘𝑊) − 1) ∈ ℕ0) |
14 | nn0uz 12549 | . . . . 5 ⊢ ℕ0 = (ℤ≥‘0) | |
15 | 13, 14 | eleqtrdi 2849 | . . . 4 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → ((♯‘𝑊) − 1) ∈ (ℤ≥‘0)) |
16 | wrdf 14150 | . . . . . . 7 ⊢ (𝑊 ∈ Word 𝑆 → 𝑊:(0..^(♯‘𝑊))⟶𝑆) | |
17 | 16 | ad2antlr 723 | . . . . . 6 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → 𝑊:(0..^(♯‘𝑊))⟶𝑆) |
18 | 11 | nnzd 12354 | . . . . . . . 8 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → (♯‘𝑊) ∈ ℤ) |
19 | fzoval 13317 | . . . . . . . 8 ⊢ ((♯‘𝑊) ∈ ℤ → (0..^(♯‘𝑊)) = (0...((♯‘𝑊) − 1))) | |
20 | 18, 19 | syl 17 | . . . . . . 7 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → (0..^(♯‘𝑊)) = (0...((♯‘𝑊) − 1))) |
21 | 20 | feq2d 6570 | . . . . . 6 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → (𝑊:(0..^(♯‘𝑊))⟶𝑆 ↔ 𝑊:(0...((♯‘𝑊) − 1))⟶𝑆)) |
22 | 17, 21 | mpbid 231 | . . . . 5 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → 𝑊:(0...((♯‘𝑊) − 1))⟶𝑆) |
23 | 6 | submss 18363 | . . . . . 6 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → 𝑆 ⊆ (Base‘𝐺)) |
24 | 23 | ad2antrr 722 | . . . . 5 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → 𝑆 ⊆ (Base‘𝐺)) |
25 | 22, 24 | fssd 6602 | . . . 4 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → 𝑊:(0...((♯‘𝑊) − 1))⟶(Base‘𝐺)) |
26 | 6, 7, 9, 15, 25 | gsumval2 18285 | . . 3 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → (𝐺 Σg 𝑊) = (seq0((+g‘𝐺), 𝑊)‘((♯‘𝑊) − 1))) |
27 | 22 | ffvelrnda 6943 | . . . 4 ⊢ ((((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) ∧ 𝑥 ∈ (0...((♯‘𝑊) − 1))) → (𝑊‘𝑥) ∈ 𝑆) |
28 | 7 | submcl 18366 | . . . . . 6 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑥 ∈ 𝑆 ∧ 𝑦 ∈ 𝑆) → (𝑥(+g‘𝐺)𝑦) ∈ 𝑆) |
29 | 28 | 3expb 1118 | . . . . 5 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ (𝑥 ∈ 𝑆 ∧ 𝑦 ∈ 𝑆)) → (𝑥(+g‘𝐺)𝑦) ∈ 𝑆) |
30 | 29 | ad4ant14 748 | . . . 4 ⊢ ((((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) ∧ (𝑥 ∈ 𝑆 ∧ 𝑦 ∈ 𝑆)) → (𝑥(+g‘𝐺)𝑦) ∈ 𝑆) |
31 | 15, 27, 30 | seqcl 13671 | . . 3 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → (seq0((+g‘𝐺), 𝑊)‘((♯‘𝑊) − 1)) ∈ 𝑆) |
32 | 26, 31 | eqeltrd 2839 | . 2 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → (𝐺 Σg 𝑊) ∈ 𝑆) |
33 | 2 | subm0cl 18365 | . . 3 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → (0g‘𝐺) ∈ 𝑆) |
34 | 33 | adantr 480 | . 2 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) → (0g‘𝐺) ∈ 𝑆) |
35 | 5, 32, 34 | pm2.61ne 3029 | 1 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) → (𝐺 Σg 𝑊) ∈ 𝑆) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1539 ∈ wcel 2108 ≠ wne 2942 ⊆ wss 3883 ∅c0 4253 ⟶wf 6414 ‘cfv 6418 (class class class)co 7255 0cc0 10802 1c1 10803 − cmin 11135 ℕcn 11903 ℕ0cn0 12163 ℤcz 12249 ℤ≥cuz 12511 ...cfz 13168 ..^cfzo 13311 seqcseq 13649 ♯chash 13972 Word cword 14145 Basecbs 16840 +gcplusg 16888 0gc0g 17067 Σg cgsu 17068 Mndcmnd 18300 SubMndcsubmnd 18344 |
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-rmo 3071 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-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 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-n0 12164 df-z 12250 df-uz 12512 df-fz 13169 df-fzo 13312 df-seq 13650 df-hash 13973 df-word 14146 df-sets 16793 df-slot 16811 df-ndx 16823 df-base 16841 df-ress 16868 df-plusg 16901 df-0g 17069 df-gsum 17070 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-submnd 18346 |
This theorem is referenced by: gsumwcl 18392 gsumwspan 18400 frmdss2 18417 psgnunilem5 19017 cyc3genpm 31321 |
Copyright terms: Public domain | W3C validator |