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Theorem crngorngo 33799
Description: A commutative ring is a ring. (Contributed by Jeff Madsen, 10-Jun-2010.)
Assertion
Ref Expression
crngorngo  |-  ( R  e. CRingOps  ->  R  e.  RingOps )

Proof of Theorem crngorngo
StepHypRef Expression
1 iscrngo 33795 . 2  |-  ( R  e. CRingOps 
<->  ( R  e.  RingOps  /\  R  e.  Com2 ) )
21simplbi 476 1  |-  ( R  e. CRingOps  ->  R  e.  RingOps )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    e. wcel 1990   RingOpscrngo 33693   Com2ccm2 33788  CRingOpsccring 33792
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-v 3202  df-in 3581  df-crngo 33793
This theorem is referenced by:  crngm23  33801  crngm4  33802  crngohomfo  33805  isidlc  33814  dmnrngo  33856  prnc  33866  isfldidl  33867  isfldidl2  33868  ispridlc  33869  pridlc3  33872  isdmn3  33873
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