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Theorem lringring 14272
Description: A local ring is a ring. (Contributed by Jim Kingdon, 20-Feb-2025.) (Revised by SN, 23-Feb-2025.)
Assertion
Ref Expression
lringring  |-  ( R  e. LRing  ->  R  e.  Ring )

Proof of Theorem lringring
StepHypRef Expression
1 lringnzr 14271 . 2  |-  ( R  e. LRing  ->  R  e. NzRing )
2 nzrring 14261 . 2  |-  ( R  e. NzRing  ->  R  e.  Ring )
31, 2syl 14 1  |-  ( R  e. LRing  ->  R  e.  Ring )
Colors of variables: wff set class
Syntax hints:    -> wi 4    e. wcel 2202   Ringcrg 14073  NzRingcnzr 14257  LRingclring 14268
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 2213
This theorem depends on definitions:  df-bi 117  df-nf 1510  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2364  df-rab 2520  df-in 3207  df-ss 3214  df-nzr 14258  df-lring 14269
This theorem is referenced by:  lringuplu  14274  aprcotr  14364  aprap  14365
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