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Theorem domnring 20064
Description: A domain is a ring. (Contributed by Mario Carneiro, 28-Mar-2015.)
Assertion
Ref Expression
domnring (𝑅 ∈ Domn → 𝑅 ∈ Ring)

Proof of Theorem domnring
StepHypRef Expression
1 domnnzr 20063 . 2 (𝑅 ∈ Domn → 𝑅 ∈ NzRing)
2 nzrring 20029 . 2 (𝑅 ∈ NzRing → 𝑅 ∈ Ring)
31, 2syl 17 1 (𝑅 ∈ Domn → 𝑅 ∈ Ring)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2113  Ringcrg 19292  NzRingcnzr 20025  Domncdomn 20048
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1969  ax-7 2014  ax-8 2115  ax-9 2123  ax-10 2144  ax-11 2160  ax-12 2176  ax-ext 2792  ax-nul 5203
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1084  df-tru 1539  df-ex 1780  df-nf 1784  df-sb 2069  df-mo 2621  df-eu 2653  df-clab 2799  df-cleq 2813  df-clel 2892  df-nfc 2962  df-ne 3016  df-ral 3142  df-rex 3143  df-rab 3146  df-v 3493  df-sbc 3769  df-dif 3932  df-un 3934  df-in 3936  df-ss 3945  df-nul 4285  df-if 4461  df-sn 4561  df-pr 4563  df-op 4567  df-uni 4832  df-br 5060  df-iota 6307  df-fv 6356  df-ov 7152  df-nzr 20026  df-domn 20052
This theorem is referenced by:  domneq0  20065  abvn0b  20070  fidomndrnglem  20074  fidomndrng  20075  domnchr  20674  znidomb  20703  deg1ldgdomn  24686  ply1domn  24715  proot1mul  39875  proot1hash  39876  deg1mhm  39883  lidldomn1  44266  uzlidlring  44274  domnmsuppn0  44491
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