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Theorem domnring 19296
Description: A domain is a ring. (Contributed by Mario Carneiro, 28-Mar-2015.)
Assertion
Ref Expression
domnring  |-  ( R  e. Domn  ->  R  e.  Ring )

Proof of Theorem domnring
StepHypRef Expression
1 domnnzr 19295 . 2  |-  ( R  e. Domn  ->  R  e. NzRing )
2 nzrring 19261 . 2  |-  ( R  e. NzRing  ->  R  e.  Ring )
31, 2syl 17 1  |-  ( R  e. Domn  ->  R  e.  Ring )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    e. wcel 1990   Ringcrg 18547  NzRingcnzr 19257  Domncdomn 19280
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  ax-nul 4789
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-ral 2917  df-rex 2918  df-rab 2921  df-v 3202  df-sbc 3436  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  df-br 4654  df-iota 5851  df-fv 5896  df-ov 6653  df-nzr 19258  df-domn 19284
This theorem is referenced by:  domneq0  19297  abvn0b  19302  fidomndrnglem  19306  fidomndrng  19307  domnchr  19880  znidomb  19910  deg1ldgdomn  23854  ply1domn  23883  proot1mul  37777  proot1hash  37778  deg1mhm  37785  lidldomn1  41921  uzlidlring  41929  domnmsuppn0  42150
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