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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 2798 | . . . . . 6 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
2 | unitrrg.u | . . . . . 6 ⊢ 𝑈 = (Unit‘𝑅) | |
3 | 1, 2 | unitcl 19405 | . . . . 5 ⊢ (𝑥 ∈ 𝑈 → 𝑥 ∈ (Base‘𝑅)) |
4 | 3 | adantl 485 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) → 𝑥 ∈ (Base‘𝑅)) |
5 | oveq2 7143 | . . . . . 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 2798 | . . . . . . . . . . 11 ⊢ (invr‘𝑅) = (invr‘𝑅) | |
7 | eqid 2798 | . . . . . . . . . . 11 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
8 | eqid 2798 | . . . . . . . . . . 11 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
9 | 2, 6, 7, 8 | unitlinv 19423 | . . . . . . . . . 10 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) → (((invr‘𝑅)‘𝑥)(.r‘𝑅)𝑥) = (1r‘𝑅)) |
10 | 9 | adantr 484 | . . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → (((invr‘𝑅)‘𝑥)(.r‘𝑅)𝑥) = (1r‘𝑅)) |
11 | 10 | oveq1d 7150 | . . . . . . . 8 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → ((((invr‘𝑅)‘𝑥)(.r‘𝑅)𝑥)(.r‘𝑅)𝑦) = ((1r‘𝑅)(.r‘𝑅)𝑦)) |
12 | simpll 766 | . . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → 𝑅 ∈ Ring) | |
13 | 2, 6, 1 | ringinvcl 19422 | . . . . . . . . . 10 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) → ((invr‘𝑅)‘𝑥) ∈ (Base‘𝑅)) |
14 | 13 | adantr 484 | . . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → ((invr‘𝑅)‘𝑥) ∈ (Base‘𝑅)) |
15 | 4 | adantr 484 | . . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → 𝑥 ∈ (Base‘𝑅)) |
16 | simpr 488 | . . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → 𝑦 ∈ (Base‘𝑅)) | |
17 | 1, 7 | ringass 19310 | . . . . . . . . 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 1369 | . . . . . . . 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 19317 | . . . . . . . . 9 ⊢ ((𝑅 ∈ Ring ∧ 𝑦 ∈ (Base‘𝑅)) → ((1r‘𝑅)(.r‘𝑅)𝑦) = 𝑦) |
20 | 19 | adantlr 714 | . . . . . . . 8 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → ((1r‘𝑅)(.r‘𝑅)𝑦) = 𝑦) |
21 | 11, 18, 20 | 3eqtr3d 2841 | . . . . . . 7 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → (((invr‘𝑅)‘𝑥)(.r‘𝑅)(𝑥(.r‘𝑅)𝑦)) = 𝑦) |
22 | eqid 2798 | . . . . . . . . 9 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
23 | 1, 7, 22 | ringrz 19334 | . . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ ((invr‘𝑅)‘𝑥) ∈ (Base‘𝑅)) → (((invr‘𝑅)‘𝑥)(.r‘𝑅)(0g‘𝑅)) = (0g‘𝑅)) |
24 | 12, 14, 23 | syl2anc 587 | . . . . . . 7 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → (((invr‘𝑅)‘𝑥)(.r‘𝑅)(0g‘𝑅)) = (0g‘𝑅)) |
25 | 21, 24 | eqeq12d 2814 | . . . . . 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 247 | . . . . 5 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → ((𝑥(.r‘𝑅)𝑦) = (0g‘𝑅) → 𝑦 = (0g‘𝑅))) |
27 | 26 | ralrimiva 3149 | . . . 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 20054 | . . . 4 ⊢ (𝑥 ∈ 𝐸 ↔ (𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑅)𝑦) = (0g‘𝑅) → 𝑦 = (0g‘𝑅)))) |
30 | 4, 27, 29 | sylanbrc 586 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) → 𝑥 ∈ 𝐸) |
31 | 30 | ex 416 | . 2 ⊢ (𝑅 ∈ Ring → (𝑥 ∈ 𝑈 → 𝑥 ∈ 𝐸)) |
32 | 31 | ssrdv 3921 | 1 ⊢ (𝑅 ∈ Ring → 𝑈 ⊆ 𝐸) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1538 ∈ wcel 2111 ∀wral 3106 ⊆ wss 3881 ‘cfv 6324 (class class class)co 7135 Basecbs 16475 .rcmulr 16558 0gc0g 16705 1rcur 19244 Ringcrg 19290 Unitcui 19385 invrcinvr 19417 RLRegcrlreg 20045 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-cnex 10582 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 ax-pre-mulgt0 10603 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rmo 3114 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-om 7561 df-tpos 7875 df-wrecs 7930 df-recs 7991 df-rdg 8029 df-er 8272 df-en 8493 df-dom 8494 df-sdom 8495 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 df-sub 10861 df-neg 10862 df-nn 11626 df-2 11688 df-3 11689 df-ndx 16478 df-slot 16479 df-base 16481 df-sets 16482 df-ress 16483 df-plusg 16570 df-mulr 16571 df-0g 16707 df-mgm 17844 df-sgrp 17893 df-mnd 17904 df-grp 18098 df-minusg 18099 df-mgp 19233 df-ur 19245 df-ring 19292 df-oppr 19369 df-dvdsr 19387 df-unit 19388 df-invr 19418 df-rlreg 20049 |
This theorem is referenced by: drngdomn 20069 znrrg 20257 deg1invg 24707 ply1divalg 24738 uc1pmon1p 24752 fta1glem1 24766 ig1peu 24772 mon1psubm 40150 |
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