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Theorem nprrel 4404
Description: No proper class is related to anything via any relation. (Contributed by Roy F. Longton, 30-Jul-2005.)
Hypotheses
Ref Expression
nprrel.1  |-  Rel  R
nprrel.2  |-  -.  A  e.  _V
Assertion
Ref Expression
nprrel  |-  -.  A R B

Proof of Theorem nprrel
StepHypRef Expression
1 nprrel.2 . 2  |-  -.  A  e.  _V
2 nprrel.1 . . 3  |-  Rel  R
32brrelexi 4402 . 2  |-  ( A R B  ->  A  e.  _V )
41, 3mto 620 1  |-  -.  A R B
Colors of variables: wff set class
Syntax hints:   -. wn 3    e. wcel 1433   _Vcvv 2601   class class class wbr 3785   Rel wrel 4368
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-in1 576  ax-in2 577  ax-io 662  ax-5 1376  ax-7 1377  ax-gen 1378  ax-ie1 1422  ax-ie2 1423  ax-8 1435  ax-10 1436  ax-11 1437  ax-i12 1438  ax-bndl 1439  ax-4 1440  ax-14 1445  ax-17 1459  ax-i9 1463  ax-ial 1467  ax-i5r 1468  ax-ext 2063  ax-sep 3896  ax-pow 3948  ax-pr 3964
This theorem depends on definitions:  df-bi 115  df-3an 921  df-tru 1287  df-nf 1390  df-sb 1686  df-clab 2068  df-cleq 2074  df-clel 2077  df-nfc 2208  df-ral 2353  df-rex 2354  df-v 2603  df-un 2977  df-in 2979  df-ss 2986  df-pw 3384  df-sn 3404  df-pr 3405  df-op 3407  df-br 3786  df-opab 3840  df-xp 4369  df-rel 4370
This theorem is referenced by: (None)
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