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Mirrors > Home > MPE Home > Th. List > drngring | Structured version Visualization version GIF version |
Description: A division ring is a ring. (Contributed by NM, 8-Sep-2011.) |
Ref | Expression |
---|---|
drngring | ⊢ (𝑅 ∈ DivRing → 𝑅 ∈ Ring) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2798 | . . 3 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
2 | eqid 2798 | . . 3 ⊢ (Unit‘𝑅) = (Unit‘𝑅) | |
3 | eqid 2798 | . . 3 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
4 | 1, 2, 3 | isdrng 19499 | . 2 ⊢ (𝑅 ∈ DivRing ↔ (𝑅 ∈ Ring ∧ (Unit‘𝑅) = ((Base‘𝑅) ∖ {(0g‘𝑅)}))) |
5 | 4 | simplbi 501 | 1 ⊢ (𝑅 ∈ DivRing → 𝑅 ∈ Ring) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1538 ∈ wcel 2111 ∖ cdif 3878 {csn 4525 ‘cfv 6324 Basecbs 16475 0gc0g 16705 Ringcrg 19290 Unitcui 19385 DivRingcdr 19495 |
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 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-rab 3115 df-v 3443 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-iota 6283 df-fv 6332 df-drng 19497 |
This theorem is referenced by: drnggrp 19503 drngid 19509 drngunz 19510 drnginvrcl 19512 drnginvrn0 19513 drnginvrl 19514 drnginvrr 19515 drngmul0or 19516 sdrgid 19568 sdrgacs 19573 cntzsdrg 19574 primefld 19577 abvtriv 19605 rlmlvec 19971 drngnidl 19995 drnglpir 20019 drngnzr 20028 drngdomn 20069 qsssubdrg 20150 frlmlvec 20450 frlmphllem 20469 frlmphl 20470 mpllvec 20692 cvsdivcl 23738 qcvs 23752 cphsubrglem 23782 rrxcph 23996 rrx0 24001 drnguc1p 24771 ig1peu 24772 ig1pcl 24776 ig1pdvds 24777 ig1prsp 24778 ply1lpir 24779 padicabv 26214 ofldchr 30938 reofld 30964 rearchi 30966 xrge0slmod 30968 sradrng 31076 drgext0gsca 31082 drgextlsp 31084 rgmoddim 31096 frlmdim 31097 matdim 31101 drngdimgt0 31104 fedgmullem1 31113 fedgmullem2 31114 fedgmul 31115 fldextid 31137 extdg1id 31141 ccfldsrarelvec 31144 zrhunitpreima 31329 elzrhunit 31330 qqhval2lem 31332 qqh0 31335 qqh1 31336 qqhf 31337 qqhghm 31339 qqhrhm 31340 qqhnm 31341 qqhucn 31343 zrhre 31370 qqhre 31371 lindsdom 35051 lindsenlbs 35052 matunitlindflem1 35053 matunitlindflem2 35054 matunitlindf 35055 dvalveclem 38321 dvhlveclem 38404 hlhilsrnglem 39249 drngringd 39445 0prjspnrel 39613 drhmsubc 44704 drngcat 44705 drhmsubcALTV 44722 drngcatALTV 44723 aacllem 45329 |
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