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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 7221 | . . . 4 ⊢ (𝑊 = ∅ → (𝐺 Σg 𝑊) = (𝐺 Σg ∅)) | |
2 | eqid 2737 | . . . . 5 ⊢ (0g‘𝐺) = (0g‘𝐺) | |
3 | 2 | gsum0 18156 | . . . 4 ⊢ (𝐺 Σg ∅) = (0g‘𝐺) |
4 | 1, 3 | eqtrdi 2794 | . . 3 ⊢ (𝑊 = ∅ → (𝐺 Σg 𝑊) = (0g‘𝐺)) |
5 | 4 | eleq1d 2822 | . 2 ⊢ (𝑊 = ∅ → ((𝐺 Σg 𝑊) ∈ 𝑆 ↔ (0g‘𝐺) ∈ 𝑆)) |
6 | eqid 2737 | . . . 4 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
7 | eqid 2737 | . . . 4 ⊢ (+g‘𝐺) = (+g‘𝐺) | |
8 | submrcl 18229 | . . . . 5 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → 𝐺 ∈ Mnd) | |
9 | 8 | ad2antrr 726 | . . . 4 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → 𝐺 ∈ Mnd) |
10 | lennncl 14089 | . . . . . . 7 ⊢ ((𝑊 ∈ Word 𝑆 ∧ 𝑊 ≠ ∅) → (♯‘𝑊) ∈ ℕ) | |
11 | 10 | adantll 714 | . . . . . 6 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → (♯‘𝑊) ∈ ℕ) |
12 | nnm1nn0 12131 | . . . . . 6 ⊢ ((♯‘𝑊) ∈ ℕ → ((♯‘𝑊) − 1) ∈ ℕ0) | |
13 | 11, 12 | syl 17 | . . . . 5 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → ((♯‘𝑊) − 1) ∈ ℕ0) |
14 | nn0uz 12476 | . . . . 5 ⊢ ℕ0 = (ℤ≥‘0) | |
15 | 13, 14 | eleqtrdi 2848 | . . . 4 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → ((♯‘𝑊) − 1) ∈ (ℤ≥‘0)) |
16 | wrdf 14074 | . . . . . . 7 ⊢ (𝑊 ∈ Word 𝑆 → 𝑊:(0..^(♯‘𝑊))⟶𝑆) | |
17 | 16 | ad2antlr 727 | . . . . . 6 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → 𝑊:(0..^(♯‘𝑊))⟶𝑆) |
18 | 11 | nnzd 12281 | . . . . . . . 8 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → (♯‘𝑊) ∈ ℤ) |
19 | fzoval 13244 | . . . . . . . 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 6531 | . . . . . 6 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → (𝑊:(0..^(♯‘𝑊))⟶𝑆 ↔ 𝑊:(0...((♯‘𝑊) − 1))⟶𝑆)) |
22 | 17, 21 | mpbid 235 | . . . . 5 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → 𝑊:(0...((♯‘𝑊) − 1))⟶𝑆) |
23 | 6 | submss 18236 | . . . . . 6 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → 𝑆 ⊆ (Base‘𝐺)) |
24 | 23 | ad2antrr 726 | . . . . 5 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → 𝑆 ⊆ (Base‘𝐺)) |
25 | 22, 24 | fssd 6563 | . . . 4 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → 𝑊:(0...((♯‘𝑊) − 1))⟶(Base‘𝐺)) |
26 | 6, 7, 9, 15, 25 | gsumval2 18158 | . . 3 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → (𝐺 Σg 𝑊) = (seq0((+g‘𝐺), 𝑊)‘((♯‘𝑊) − 1))) |
27 | 22 | ffvelrnda 6904 | . . . 4 ⊢ ((((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) ∧ 𝑥 ∈ (0...((♯‘𝑊) − 1))) → (𝑊‘𝑥) ∈ 𝑆) |
28 | 7 | submcl 18239 | . . . . . 6 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑥 ∈ 𝑆 ∧ 𝑦 ∈ 𝑆) → (𝑥(+g‘𝐺)𝑦) ∈ 𝑆) |
29 | 28 | 3expb 1122 | . . . . 5 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ (𝑥 ∈ 𝑆 ∧ 𝑦 ∈ 𝑆)) → (𝑥(+g‘𝐺)𝑦) ∈ 𝑆) |
30 | 29 | ad4ant14 752 | . . . 4 ⊢ ((((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) ∧ (𝑥 ∈ 𝑆 ∧ 𝑦 ∈ 𝑆)) → (𝑥(+g‘𝐺)𝑦) ∈ 𝑆) |
31 | 15, 27, 30 | seqcl 13596 | . . 3 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → (seq0((+g‘𝐺), 𝑊)‘((♯‘𝑊) − 1)) ∈ 𝑆) |
32 | 26, 31 | eqeltrd 2838 | . 2 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) ∧ 𝑊 ≠ ∅) → (𝐺 Σg 𝑊) ∈ 𝑆) |
33 | 2 | subm0cl 18238 | . . 3 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → (0g‘𝐺) ∈ 𝑆) |
34 | 33 | adantr 484 | . 2 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) → (0g‘𝐺) ∈ 𝑆) |
35 | 5, 32, 34 | pm2.61ne 3027 | 1 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑊 ∈ Word 𝑆) → (𝐺 Σg 𝑊) ∈ 𝑆) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1543 ∈ wcel 2110 ≠ wne 2940 ⊆ wss 3866 ∅c0 4237 ⟶wf 6376 ‘cfv 6380 (class class class)co 7213 0cc0 10729 1c1 10730 − cmin 11062 ℕcn 11830 ℕ0cn0 12090 ℤcz 12176 ℤ≥cuz 12438 ...cfz 13095 ..^cfzo 13238 seqcseq 13574 ♯chash 13896 Word cword 14069 Basecbs 16760 +gcplusg 16802 0gc0g 16944 Σg cgsu 16945 Mndcmnd 18173 SubMndcsubmnd 18217 |
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 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-rep 5179 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 ax-cnex 10785 ax-resscn 10786 ax-1cn 10787 ax-icn 10788 ax-addcl 10789 ax-addrcl 10790 ax-mulcl 10791 ax-mulrcl 10792 ax-mulcom 10793 ax-addass 10794 ax-mulass 10795 ax-distr 10796 ax-i2m1 10797 ax-1ne0 10798 ax-1rid 10799 ax-rnegex 10800 ax-rrecex 10801 ax-cnre 10802 ax-pre-lttri 10803 ax-pre-lttrn 10804 ax-pre-ltadd 10805 ax-pre-mulgt0 10806 |
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 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3066 df-rex 3067 df-reu 3068 df-rmo 3069 df-rab 3070 df-v 3410 df-sbc 3695 df-csb 3812 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-pss 3885 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-tp 4546 df-op 4548 df-uni 4820 df-int 4860 df-iun 4906 df-br 5054 df-opab 5116 df-mpt 5136 df-tr 5162 df-id 5455 df-eprel 5460 df-po 5468 df-so 5469 df-fr 5509 df-we 5511 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-pred 6160 df-ord 6216 df-on 6217 df-lim 6218 df-suc 6219 df-iota 6338 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-fv 6388 df-riota 7170 df-ov 7216 df-oprab 7217 df-mpo 7218 df-om 7645 df-1st 7761 df-2nd 7762 df-wrecs 8047 df-recs 8108 df-rdg 8146 df-1o 8202 df-er 8391 df-en 8627 df-dom 8628 df-sdom 8629 df-fin 8630 df-card 9555 df-pnf 10869 df-mnf 10870 df-xr 10871 df-ltxr 10872 df-le 10873 df-sub 11064 df-neg 11065 df-nn 11831 df-2 11893 df-n0 12091 df-z 12177 df-uz 12439 df-fz 13096 df-fzo 13239 df-seq 13575 df-hash 13897 df-word 14070 df-sets 16717 df-slot 16735 df-ndx 16745 df-base 16761 df-ress 16785 df-plusg 16815 df-0g 16946 df-gsum 16947 df-mgm 18114 df-sgrp 18163 df-mnd 18174 df-submnd 18219 |
This theorem is referenced by: gsumwcl 18265 gsumwspan 18273 frmdss2 18290 psgnunilem5 18886 cyc3genpm 31138 |
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