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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 2610 | . . . . . 6 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
2 | unitrrg.u | . . . . . 6 ⊢ 𝑈 = (Unit‘𝑅) | |
3 | 1, 2 | unitcl 18482 | . . . . 5 ⊢ (𝑥 ∈ 𝑈 → 𝑥 ∈ (Base‘𝑅)) |
4 | 3 | adantl 481 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) → 𝑥 ∈ (Base‘𝑅)) |
5 | oveq2 6557 | . . . . . 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 2610 | . . . . . . . . . . 11 ⊢ (invr‘𝑅) = (invr‘𝑅) | |
7 | eqid 2610 | . . . . . . . . . . 11 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
8 | eqid 2610 | . . . . . . . . . . 11 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
9 | 2, 6, 7, 8 | unitlinv 18500 | . . . . . . . . . 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 6564 | . . . . . . . 8 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → ((((invr‘𝑅)‘𝑥)(.r‘𝑅)𝑥)(.r‘𝑅)𝑦) = ((1r‘𝑅)(.r‘𝑅)𝑦)) |
12 | simpll 786 | . . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → 𝑅 ∈ Ring) | |
13 | 2, 6, 1 | ringinvcl 18499 | . . . . . . . . . 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 476 | . . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → 𝑦 ∈ (Base‘𝑅)) | |
17 | 1, 7 | ringass 18387 | . . . . . . . . 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 1320 | . . . . . . . 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 18394 | . . . . . . . . 9 ⊢ ((𝑅 ∈ Ring ∧ 𝑦 ∈ (Base‘𝑅)) → ((1r‘𝑅)(.r‘𝑅)𝑦) = 𝑦) |
20 | 19 | adantlr 747 | . . . . . . . 8 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → ((1r‘𝑅)(.r‘𝑅)𝑦) = 𝑦) |
21 | 11, 18, 20 | 3eqtr3d 2652 | . . . . . . 7 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → (((invr‘𝑅)‘𝑥)(.r‘𝑅)(𝑥(.r‘𝑅)𝑦)) = 𝑦) |
22 | eqid 2610 | . . . . . . . . 9 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
23 | 1, 7, 22 | ringrz 18411 | . . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ ((invr‘𝑅)‘𝑥) ∈ (Base‘𝑅)) → (((invr‘𝑅)‘𝑥)(.r‘𝑅)(0g‘𝑅)) = (0g‘𝑅)) |
24 | 12, 14, 23 | syl2anc 691 | . . . . . . 7 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → (((invr‘𝑅)‘𝑥)(.r‘𝑅)(0g‘𝑅)) = (0g‘𝑅)) |
25 | 21, 24 | eqeq12d 2625 | . . . . . 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 233 | . . . . 5 ⊢ (((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) ∧ 𝑦 ∈ (Base‘𝑅)) → ((𝑥(.r‘𝑅)𝑦) = (0g‘𝑅) → 𝑦 = (0g‘𝑅))) |
27 | 26 | ralrimiva 2949 | . . . 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 19109 | . . . 4 ⊢ (𝑥 ∈ 𝐸 ↔ (𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑅)𝑦) = (0g‘𝑅) → 𝑦 = (0g‘𝑅)))) |
30 | 4, 27, 29 | sylanbrc 695 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝑈) → 𝑥 ∈ 𝐸) |
31 | 30 | ex 449 | . 2 ⊢ (𝑅 ∈ Ring → (𝑥 ∈ 𝑈 → 𝑥 ∈ 𝐸)) |
32 | 31 | ssrdv 3574 | 1 ⊢ (𝑅 ∈ Ring → 𝑈 ⊆ 𝐸) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 = wceq 1475 ∈ wcel 1977 ∀wral 2896 ⊆ wss 3540 ‘cfv 5804 (class class class)co 6549 Basecbs 15695 .rcmulr 15769 0gc0g 15923 1rcur 18324 Ringcrg 18370 Unitcui 18462 invrcinvr 18494 RLRegcrlreg 19100 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rmo 2904 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-tpos 7239 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-nn 10898 df-2 10956 df-3 10957 df-ndx 15698 df-slot 15699 df-base 15700 df-sets 15701 df-ress 15702 df-plusg 15781 df-mulr 15782 df-0g 15925 df-mgm 17065 df-sgrp 17107 df-mnd 17118 df-grp 17248 df-minusg 17249 df-mgp 18313 df-ur 18325 df-ring 18372 df-oppr 18446 df-dvdsr 18464 df-unit 18465 df-invr 18495 df-rlreg 19104 |
This theorem is referenced by: drngdomn 19124 znrrg 19733 deg1invg 23670 ply1divalg 23701 uc1pmon1p 23715 fta1glem1 23729 ig1peu 23735 mon1psubm 36803 |
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