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Theorem rngogrpo 25370
 Description: A ring's addition operation is a group operation. (Contributed by Steve Rodriguez, 9-Sep-2007.) (New usage is discouraged.)
Hypothesis
Ref Expression
ringgrp.1
Assertion
Ref Expression
rngogrpo

Proof of Theorem rngogrpo
StepHypRef Expression
1 ringgrp.1 . . 3
21rngoablo 25369 . 2
3 ablogrpo 25264 . 2
42, 3syl 16 1
 Colors of variables: wff setvar class Syntax hints:   wi 4   wceq 1383   wcel 1804  cfv 5578  c1st 6783  cgr 25166  cablo 25261  crngo 25355 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1605  ax-4 1618  ax-5 1691  ax-6 1734  ax-7 1776  ax-8 1806  ax-9 1808  ax-10 1823  ax-11 1828  ax-12 1840  ax-13 1985  ax-ext 2421  ax-sep 4558  ax-nul 4566  ax-pow 4615  ax-pr 4676  ax-un 6577 This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  df-3an 976  df-tru 1386  df-ex 1600  df-nf 1604  df-sb 1727  df-eu 2272  df-mo 2273  df-clab 2429  df-cleq 2435  df-clel 2438  df-nfc 2593  df-ne 2640  df-ral 2798  df-rex 2799  df-rab 2802  df-v 3097  df-sbc 3314  df-dif 3464  df-un 3466  df-in 3468  df-ss 3475  df-nul 3771  df-if 3927  df-sn 4015  df-pr 4017  df-op 4021  df-uni 4235  df-br 4438  df-opab 4496  df-mpt 4497  df-id 4785  df-xp 4995  df-rel 4996  df-cnv 4997  df-co 4998  df-dm 4999  df-rn 5000  df-iota 5541  df-fun 5580  df-fn 5581  df-f 5582  df-fv 5586  df-ov 6284  df-1st 6785  df-2nd 6786  df-ablo 25262  df-rngo 25356 This theorem is referenced by:  rngogcl  25371  rngoaass  25373  rngorcan  25376  rngolcan  25377  rngo0cl  25378  rngo0rid  25379  rngo0lid  25380  rngolz  25381  rngorz  25382  rngone0  25396  rngodm1dm2  25398  rngorn1  25399  rngosn3  25406  rngonegcl  30324  rngoaddneg1  30325  rngoaddneg2  30326  rngosub  30327  rngonegmn1l  30328  rngonegmn1r  30329  rngogrphom  30350  rngohom0  30351  rngohomsub  30352  rngokerinj  30354  keridl  30405  dmncan1  30449
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