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Theorem relrngo 21060
Description: The class of all unital rings is a relation. (Contributed by FL, 31-Aug-2009.) (Revised by Mario Carneiro, 21-Dec-2013.) (New usage is discouraged.)
Assertion
Ref Expression
relrngo  |-  Rel  RingOps

Proof of Theorem relrngo
Dummy variables  g  h  x  y  z are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 df-rngo 21059 . 2  |-  RingOps  =  { <. g ,  h >.  |  ( ( g  e. 
AbelOp  /\  h : ( ran  g  X.  ran  g ) --> ran  g
)  /\  ( A. x  e.  ran  g A. y  e.  ran  g A. z  e.  ran  g ( ( ( x h y ) h z )  =  ( x h ( y h z ) )  /\  ( x h ( y g z ) )  =  ( ( x h y ) g ( x h z ) )  /\  ( ( x g y ) h z )  =  ( ( x h z ) g ( y h z ) ) )  /\  E. x  e. 
ran  g A. y  e.  ran  g ( ( x h y )  =  y  /\  (
y h x )  =  y ) ) ) }
21relopabi 4827 1  |-  Rel  RingOps
Colors of variables: wff set class
Syntax hints:    /\ wa 358    /\ w3a 934    = wceq 1632    e. wcel 1696   A.wral 2556   E.wrex 2557    X. cxp 4703   ran crn 4706   Rel wrel 4710   -->wf 5267  (class class class)co 5874   AbelOpcablo 20964   RingOpscrngo 21058
This theorem is referenced by:  isrngo  21061  rngoi  21063  rngoablo2  21105  rngosn3  21109  isdrngo1  26690  iscrngo2  26726
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1536  ax-5 1547  ax-17 1606  ax-9 1644  ax-8 1661  ax-14 1700  ax-6 1715  ax-7 1720  ax-11 1727  ax-12 1878  ax-ext 2277  ax-sep 4157  ax-nul 4165  ax-pr 4230
This theorem depends on definitions:  df-bi 177  df-or 359  df-an 360  df-3an 936  df-tru 1310  df-ex 1532  df-nf 1535  df-sb 1639  df-clab 2283  df-cleq 2289  df-clel 2292  df-nfc 2421  df-ne 2461  df-ral 2561  df-rex 2562  df-rab 2565  df-v 2803  df-dif 3168  df-un 3170  df-in 3172  df-ss 3179  df-nul 3469  df-if 3579  df-sn 3659  df-pr 3660  df-op 3662  df-opab 4094  df-xp 4711  df-rel 4712  df-rngo 21059
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