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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 2238 | . . 3 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 2 | eqid 2238 | . . 3 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅) | |
| 3 | eqid 2238 | . . 3 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
| 4 | eqid 2238 | . . 3 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 5 | 1, 2, 3, 4 | isring 14412 | . 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 1043 | 1 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Grp) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 104 = wceq 1402 ∈ wcel 2209 ∀wral 2528 ‘cfv 5380 (class class class)co 6088 Basecbs 13411 +gcplusg 13491 .rcmulr 13492 Mndcmnd 13789 Grpcgrp 13865 mulGrpcmgp 14325 Ringcrg 14408 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-cnex 8277 ax-resscn 8278 ax-1re 8280 ax-addrcl 8283 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4132 df-opab 4194 df-mpt 4195 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-iota 5340 df-fun 5382 df-fn 5383 df-fv 5388 df-ov 6091 df-inn 9315 df-2 9373 df-3 9374 df-ndx 13414 df-slot 13415 df-base 13417 df-plusg 13504 df-mulr 13505 df-ring 14410 |
| This theorem is used by: ringgrpd 14417 ringmnd 14418 ring0cl 14434 ringacl 14443 ringcom 14444 ringabl 14445 ringlz 14456 ringrz 14457 ringnegl 14464 ringnegr 14465 ringmneg1 14466 ringmneg2 14467 ringm2neg 14468 ringsubdi 14469 ringsubdir 14470 mulgass2 14471 ringlghm 14474 ringrghm 14475 ringressid 14478 imasring 14479 opprring 14494 dvdsrneg 14520 unitnegcl 14547 dvrdir 14560 dfrhm2 14571 isrhm 14575 isrhmd 14583 rhmfn 14589 rhmval 14590 subrgsubg 14645 lmodfgrp 14742 lmod0vs 14768 lmodvsneg 14778 lmodsubvs 14790 lmodsubdi 14791 lmodsubdir 14792 rmodislmodlem 14797 rmodislmod 14798 issubrgd 14899 lidlsubg 14933 cnfld0 15018 cnfldneg 15020 cnfldsub 15022 cnsubglem 15026 zringgrp 15040 mulgrhm 15054 zrhmulg 15065 |
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