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Theorem isidom 14108
Description: An integral domain is a commutative domain. (Contributed by Mario Carneiro, 17-Jun-2015.)
Assertion
Ref Expression
isidom  |-  ( R  e. IDomn 
<->  ( R  e.  CRing  /\  R  e. Domn ) )

Proof of Theorem isidom
StepHypRef Expression
1 df-idom 14092 . 2  |- IDomn  =  (
CRing  i^i Domn )
21elin2 3365 1  |-  ( R  e. IDomn 
<->  ( R  e.  CRing  /\  R  e. Domn ) )
Colors of variables: wff set class
Syntax hints:    /\ wa 104    <-> wb 105    e. wcel 2177   CRingccrg 13829  Domncdomn 14088  IDomncidom 14089
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 711  ax-5 1471  ax-7 1472  ax-gen 1473  ax-ie1 1517  ax-ie2 1518  ax-8 1528  ax-10 1529  ax-11 1530  ax-i12 1531  ax-bndl 1533  ax-4 1534  ax-17 1550  ax-i9 1554  ax-ial 1558  ax-i5r 1559  ax-ext 2188
This theorem depends on definitions:  df-bi 117  df-tru 1376  df-nf 1485  df-sb 1787  df-clab 2193  df-cleq 2199  df-clel 2202  df-nfc 2338  df-v 2775  df-in 3176  df-idom 14092
This theorem is referenced by:  znidom  14489  znidomb  14490
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