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Theorem fldcrngd 14476
Description: A field is a commutative ring. (Contributed by SN, 23-Nov-2024.)
Hypothesis
Ref Expression
fldcrngd.1  |-  ( ph  ->  R  e. Field )
Assertion
Ref Expression
fldcrngd  |-  ( ph  ->  R  e.  CRing )

Proof of Theorem fldcrngd
StepHypRef Expression
1 fldcrngd.1 . 2  |-  ( ph  ->  R  e. Field )
2 isfld 14474 . . 3  |-  ( R  e. Field 
<->  ( R  e.  DivRing  /\  R  e.  CRing ) )
32simprbi 275 . 2  |-  ( R  e. Field  ->  R  e.  CRing )
41, 3syl 14 1  |-  ( ph  ->  R  e.  CRing )
Colors of variables: wff set class
Syntax hints:    -> wi 4    e. wcel 2205   CRingccrg 14162   DivRingcdr 14462  Fieldcfield 14463
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-ext 2216
This theorem depends on definitions:  df-bi 117  df-tru 1401  df-nf 1510  df-sb 1812  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-v 2817  df-in 3219  df-field 14465
This theorem is referenced by: (None)
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