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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 2231 | . . 3 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 2 | eqid 2231 | . . 3 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅) | |
| 3 | eqid 2231 | . . 3 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
| 4 | eqid 2231 | . . 3 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 5 | 1, 2, 3, 4 | isring 14019 | . 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 1038 | 1 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Grp) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1397 ∈ wcel 2202 ∀wral 2510 ‘cfv 5326 (class class class)co 6018 Basecbs 13087 +gcplusg 13165 .rcmulr 13166 Mndcmnd 13504 Grpcgrp 13588 mulGrpcmgp 13939 Ringcrg 14015 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-cnex 8123 ax-resscn 8124 ax-1re 8126 ax-addrcl 8129 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-rex 2516 df-rab 2519 df-v 2804 df-sbc 3032 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-br 4089 df-opab 4151 df-mpt 4152 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-iota 5286 df-fun 5328 df-fn 5329 df-fv 5334 df-ov 6021 df-inn 9144 df-2 9202 df-3 9203 df-ndx 13090 df-slot 13091 df-base 13093 df-plusg 13178 df-mulr 13179 df-ring 14017 |
| This theorem is referenced by: ringgrpd 14024 ringmnd 14025 ring0cl 14040 ringacl 14049 ringcom 14050 ringabl 14051 ringlz 14062 ringrz 14063 ringnegl 14070 ringnegr 14071 ringmneg1 14072 ringmneg2 14073 ringm2neg 14074 ringsubdi 14075 ringsubdir 14076 mulgass2 14077 ringlghm 14080 ringrghm 14081 ringressid 14082 imasring 14083 opprring 14098 dvdsrneg 14123 unitnegcl 14150 dvrdir 14163 dfrhm2 14174 isrhm 14178 isrhmd 14186 rhmfn 14192 rhmval 14193 subrgsubg 14247 lmodfgrp 14316 lmod0vs 14341 lmodvsneg 14351 lmodsubvs 14363 lmodsubdi 14364 lmodsubdir 14365 rmodislmodlem 14370 rmodislmod 14371 issubrgd 14472 lidlsubg 14506 cnfld0 14591 cnfldneg 14593 cnfldsub 14595 cnsubglem 14599 zringgrp 14615 mulgrhm 14629 zrhmulg 14640 |
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