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| Mirrors > Home > ILE Home > Th. List > ringgrp | GIF version | ||
| Description: A ring is a group. (Contributed by NM, 15-Sep-2011.) |
| Ref | Expression |
|---|---|
| ringgrp | ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Grp) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2229 | . . 3 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 2 | eqid 2229 | . . 3 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅) | |
| 3 | eqid 2229 | . . 3 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
| 4 | eqid 2229 | . . 3 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 5 | 1, 2, 3, 4 | isring 14006 | . 2 ⊢ (𝑅 ∈ Ring ↔ (𝑅 ∈ Grp ∧ (mulGrp‘𝑅) ∈ Mnd ∧ ∀𝑥 ∈ (Base‘𝑅)∀𝑦 ∈ (Base‘𝑅)∀𝑧 ∈ (Base‘𝑅)((𝑥(.r‘𝑅)(𝑦(+g‘𝑅)𝑧)) = ((𝑥(.r‘𝑅)𝑦)(+g‘𝑅)(𝑥(.r‘𝑅)𝑧)) ∧ ((𝑥(+g‘𝑅)𝑦)(.r‘𝑅)𝑧) = ((𝑥(.r‘𝑅)𝑧)(+g‘𝑅)(𝑦(.r‘𝑅)𝑧))))) |
| 6 | 5 | simp1bi 1036 | 1 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Grp) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1395 ∈ wcel 2200 ∀wral 2508 ‘cfv 5324 (class class class)co 6013 Basecbs 13075 +gcplusg 13153 .rcmulr 13154 Mndcmnd 13492 Grpcgrp 13576 mulGrpcmgp 13926 Ringcrg 14002 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-cnex 8116 ax-resscn 8117 ax-1re 8119 ax-addrcl 8122 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2802 df-sbc 3030 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-int 3927 df-br 4087 df-opab 4149 df-mpt 4150 df-id 4388 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-rn 4734 df-res 4735 df-iota 5284 df-fun 5326 df-fn 5327 df-fv 5332 df-ov 6016 df-inn 9137 df-2 9195 df-3 9196 df-ndx 13078 df-slot 13079 df-base 13081 df-plusg 13166 df-mulr 13167 df-ring 14004 |
| This theorem is referenced by: ringgrpd 14011 ringmnd 14012 ring0cl 14027 ringacl 14036 ringcom 14037 ringabl 14038 ringlz 14049 ringrz 14050 ringnegl 14057 ringnegr 14058 ringmneg1 14059 ringmneg2 14060 ringm2neg 14061 ringsubdi 14062 ringsubdir 14063 mulgass2 14064 ringlghm 14067 ringrghm 14068 ringressid 14069 imasring 14070 opprring 14085 dvdsrneg 14110 unitnegcl 14137 dvrdir 14150 dfrhm2 14161 isrhm 14165 isrhmd 14173 rhmfn 14179 rhmval 14180 subrgsubg 14234 lmodfgrp 14303 lmod0vs 14328 lmodvsneg 14338 lmodsubvs 14350 lmodsubdi 14351 lmodsubdir 14352 rmodislmodlem 14357 rmodislmod 14358 issubrgd 14459 lidlsubg 14493 cnfld0 14578 cnfldneg 14580 cnfldsub 14582 cnsubglem 14586 zringgrp 14602 mulgrhm 14616 zrhmulg 14627 |
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