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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 14287 | . 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 |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1402 ∈ wcel 2209 ∀wral 2528 ‘cfv 5375 (class class class)co 6079 Basecbs 13335 +gcplusg 13414 .rcmulr 13415 Mndcmnd 13712 Grpcgrp 13788 mulGrpcmgp 14200 Ringcrg 14283 |
| 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 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 4247 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-cnex 8264 ax-resscn 8265 ax-1re 8267 ax-addrcl 8270 |
| This theorem 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 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-br 4129 df-opab 4191 df-mpt 4192 df-id 4436 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-iota 5335 df-fun 5377 df-fn 5378 df-fv 5383 df-ov 6082 df-inn 9288 df-2 9346 df-3 9347 df-ndx 13338 df-slot 13339 df-base 13341 df-plusg 13427 df-mulr 13428 df-ring 14285 |
| This theorem is referenced by: ringgrpd 14292 ringmnd 14293 ring0cl 14309 ringacl 14318 ringcom 14319 ringabl 14320 ringlz 14331 ringrz 14332 ringnegl 14339 ringnegr 14340 ringmneg1 14341 ringmneg2 14342 ringm2neg 14343 ringsubdi 14344 ringsubdir 14345 mulgass2 14346 ringlghm 14349 ringrghm 14350 ringressid 14351 imasring 14352 opprring 14367 dvdsrneg 14393 unitnegcl 14420 dvrdir 14433 dfrhm2 14444 isrhm 14448 isrhmd 14456 rhmfn 14462 rhmval 14463 subrgsubg 14518 lmodfgrp 14615 lmod0vs 14641 lmodvsneg 14651 lmodsubvs 14663 lmodsubdi 14664 lmodsubdir 14665 rmodislmodlem 14670 rmodislmod 14671 issubrgd 14772 lidlsubg 14806 cnfld0 14891 cnfldneg 14893 cnfldsub 14895 cnsubglem 14899 zringgrp 14913 mulgrhm 14927 zrhmulg 14938 |
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