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| Description: A ring's addition operation is a group operation. (Contributed by Steve Rodriguez, 9-Sep-2007.) |
| Ref | Expression |
|---|---|
| ringgrp.1 |
|
| Ref | Expression |
|---|---|
| ringgrp |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ringgrp.1 |
. . 3
| |
| 2 | 1 | ringabl 9475 |
. 2
|
| 3 | ablgrp 9410 |
. 2
| |
| 4 | 2, 3 | syl 12 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ringgcl 9477 ringaass 9479 ringrcan 9482 ringlcan 9483 ring0cl 9484 ring0rid 9485 ring0lid 9486 ringlz 9487 ringrz 9488 rngn0 10400 rnplrnml0 10402 rnplrnml2 10403 on1el3 10412 rnplrnml3 14768 multinv 14771 multinvb 14772 mult2inv 14773 mulinvsca 14823 muldisc 14824 svli2 14826 ringnegcl 16098 ringaddneg1 16099 ringaddneg2 16100 ringsub 16101 ringnegmn1l 16102 ringnegmn1r 16103 rnggrphom 16125 rnghom0 16126 rnghomsub 16127 rngkerinj 16129 keridl 16180 dmncan1 16224 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-13 1311 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 ax-un 3790 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-3an 860 df-ex 1327 df-sb 1536 df-eu 1775 df-mo 1776 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-ral 2109 df-rex 2110 df-rab 2112 df-v 2294 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-nul 2876 df-pw 3035 df-sn 3049 df-pr 3050 df-op 3053 df-uni 3178 df-br 3339 df-opab 3396 df-id 3586 df-xp 4000 df-rel 4001 df-cnv 4002 df-co 4003 df-dm 4004 df-rn 4005 df-res 4006 df-ima 4007 df-fun 4008 df-fn 4009 df-f 4010 df-fv 4014 df-opr 4886 df-1st 5020 df-2nd 5021 df-abl 9408 df-ring 9464 |