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Mirrors > Home > MPE Home > Th. List > unitrrg | Structured version Visualization version GIF version |
Description: Units are regular elements. (Contributed by Stefan O'Rear, 22-Mar-2015.) |
Ref | Expression |
---|---|
unitrrg.e | ⊢ 𝐸 = (RLReg‘𝑅) |
unitrrg.u | ⊢ 𝑈 = (Unit‘𝑅) |
Ref | Expression |
---|---|
unitrrg | ⊢ (𝑅 ∈ Ring → 𝑈 ⊆ 𝐸) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2738 | . . . . . 6 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
2 | unitrrg.u | . . . . . 6 ⊢ 𝑈 = (Unit‘𝑅) | |
3 | 1, 2 | unitcl 19816 | . . . . 5 ⊢ (𝑥 ∈ 𝑈 → 𝑥 ∈ (Base‘𝑅)) |
4 | 3 | adantl 481 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) → 𝑥 ∈ (Base‘𝑅)) |
5 | oveq2 7263 | . . . . . 6 ⊢ ((𝑥(.r‘𝑅)𝑦) = (0g‘𝑅) → (((invr‘𝑅)‘𝑥)(.r‘𝑅)(𝑥(.r‘𝑅)𝑦)) = (((invr‘𝑅)‘𝑥)(.r‘𝑅)(0g‘𝑅))) | |
6 | eqid 2738 | . . . . . . . . . . 11 ⊢ (invr‘𝑅) = (invr‘𝑅) | |
7 | eqid 2738 | . . . . . . . . . . 11 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
8 | eqid 2738 | . . . . . . . . . . 11 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
9 | 2, 6, 7, 8 | unitlinv 19834 | . . . . . . . . . 10 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) → (((invr‘𝑅)‘𝑥)(.r‘𝑅)𝑥) = (1r‘𝑅)) |
10 | 9 | adantr 480 | . . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → (((invr‘𝑅)‘𝑥)(.r‘𝑅)𝑥) = (1r‘𝑅)) |
11 | 10 | oveq1d 7270 | . . . . . . . 8 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → ((((invr‘𝑅)‘𝑥)(.r‘𝑅)𝑥)(.r‘𝑅)𝑦) = ((1r‘𝑅)(.r‘𝑅)𝑦)) |
12 | simpll 763 | . . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → 𝑅 ∈ Ring) | |
13 | 2, 6, 1 | ringinvcl 19833 | . . . . . . . . . 10 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) → ((invr‘𝑅)‘𝑥) ∈ (Base‘𝑅)) |
14 | 13 | adantr 480 | . . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → ((invr‘𝑅)‘𝑥) ∈ (Base‘𝑅)) |
15 | 4 | adantr 480 | . . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → 𝑥 ∈ (Base‘𝑅)) |
16 | simpr 484 | . . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → 𝑦 ∈ (Base‘𝑅)) | |
17 | 1, 7 | ringass 19718 | . . . . . . . . 9 ⊢ ((𝑅 ∈ Ring ∧ (((invr‘𝑅)‘𝑥) ∈ (Base‘𝑅) ∧ 𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅))) → ((((invr‘𝑅)‘𝑥)(.r‘𝑅)𝑥)(.r‘𝑅)𝑦) = (((invr‘𝑅)‘𝑥)(.r‘𝑅)(𝑥(.r‘𝑅)𝑦))) |
18 | 12, 14, 15, 16, 17 | syl13anc 1370 | . . . . . . . 8 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → ((((invr‘𝑅)‘𝑥)(.r‘𝑅)𝑥)(.r‘𝑅)𝑦) = (((invr‘𝑅)‘𝑥)(.r‘𝑅)(𝑥(.r‘𝑅)𝑦))) |
19 | 1, 7, 8 | ringlidm 19725 | . . . . . . . . 9 ⊢ ((𝑅 ∈ Ring ∧ 𝑦 ∈ (Base‘𝑅)) → ((1r‘𝑅)(.r‘𝑅)𝑦) = 𝑦) |
20 | 19 | adantlr 711 | . . . . . . . 8 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → ((1r‘𝑅)(.r‘𝑅)𝑦) = 𝑦) |
21 | 11, 18, 20 | 3eqtr3d 2786 | . . . . . . 7 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → (((invr‘𝑅)‘𝑥)(.r‘𝑅)(𝑥(.r‘𝑅)𝑦)) = 𝑦) |
22 | eqid 2738 | . . . . . . . . 9 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
23 | 1, 7, 22 | ringrz 19742 | . . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ ((invr‘𝑅)‘𝑥) ∈ (Base‘𝑅)) → (((invr‘𝑅)‘𝑥)(.r‘𝑅)(0g‘𝑅)) = (0g‘𝑅)) |
24 | 12, 14, 23 | syl2anc 583 | . . . . . . 7 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → (((invr‘𝑅)‘𝑥)(.r‘𝑅)(0g‘𝑅)) = (0g‘𝑅)) |
25 | 21, 24 | eqeq12d 2754 | . . . . . 6 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → ((((invr‘𝑅)‘𝑥)(.r‘𝑅)(𝑥(.r‘𝑅)𝑦)) = (((invr‘𝑅)‘𝑥)(.r‘𝑅)(0g‘𝑅)) ↔ 𝑦 = (0g‘𝑅))) |
26 | 5, 25 | syl5ib 243 | . . . . 5 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → ((𝑥(.r‘𝑅)𝑦) = (0g‘𝑅) → 𝑦 = (0g‘𝑅))) |
27 | 26 | ralrimiva 3107 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) → ∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑅)𝑦) = (0g‘𝑅) → 𝑦 = (0g‘𝑅))) |
28 | unitrrg.e | . . . . 5 ⊢ 𝐸 = (RLReg‘𝑅) | |
29 | 28, 1, 7, 22 | isrrg 20472 | . . . 4 ⊢ (𝑥 ∈ 𝐸 ↔ (𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑅)𝑦) = (0g‘𝑅) → 𝑦 = (0g‘𝑅)))) |
30 | 4, 27, 29 | sylanbrc 582 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) → 𝑥 ∈ 𝐸) |
31 | 30 | ex 412 | . 2 ⊢ (𝑅 ∈ Ring → (𝑥 ∈ 𝑈 → 𝑥 ∈ 𝐸)) |
32 | 31 | ssrdv 3923 | 1 ⊢ (𝑅 ∈ Ring → 𝑈 ⊆ 𝐸) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1539 ∈ wcel 2108 ∀wral 3063 ⊆ wss 3883 ‘cfv 6418 (class class class)co 7255 Basecbs 16840 .rcmulr 16889 0gc0g 17067 1rcur 19652 Ringcrg 19698 Unitcui 19796 invrcinvr 19828 RLRegcrlreg 20463 |
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-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-2nd 7805 df-tpos 8013 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 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-sets 16793 df-slot 16811 df-ndx 16823 df-base 16841 df-ress 16868 df-plusg 16901 df-mulr 16902 df-0g 17069 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-grp 18495 df-minusg 18496 df-mgp 19636 df-ur 19653 df-ring 19700 df-oppr 19777 df-dvdsr 19798 df-unit 19799 df-invr 19829 df-rlreg 20467 |
This theorem is referenced by: drngdomn 20487 znrrg 20685 deg1invg 25176 ply1divalg 25207 uc1pmon1p 25221 fta1glem1 25235 ig1peu 25241 mon1psubm 40947 |
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