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Theorem brprc 2097
Description: A property of proper class as the second argument of a binary relation.
Assertion
Ref Expression
brprc |- (-. B e. V -> (ARB <-> ARA))

Proof of Theorem brprc
StepHypRef Expression
1 opprc2 1907 . . 3 |- (-. B e. V -> <.A, B>. = <.A, A>.)
21eleq1d 1155 . 2 |- (-. B e. V -> (<.A, B>. e. R <-> <.A, A>. e. R))
3 df-br 2063 . 2 |- (ARB <-> <.A, B>. e. R)
4 df-br 2063 . 2 |- (ARA <-> <.A, A>. e. R)
52, 3, 43bitr4g 428 1 |- (-. B e. V -> (ARB <-> ARA))
Colors of variables: wff set class
Syntax hints:  -. wn 1   -> wi 2   <-> wb 127   e. wcel 1092  Vcvv 1348  <.cop 1810   class class class wbr 2054
This theorem is referenced by:  vtoclrbr 2450  vtoclibr 2451  f1oeng 3298  f1domg 3299  sdomex 3315  unen 3338  numth2 3600  cardval 3633
This theorem was proved from axioms:  ax-1 3  ax-2 4  ax-3 5  ax-mp 6  ax-4 673  ax-5 674  ax-6 675  ax-7 676  ax-gen 677  ax-8 798  ax-9 799  ax-10 800  ax-11 801  ax-12 802  ax-16 922  ax-17 925  ax-ext 1074
This theorem depends on definitions:  df-bi 128  df-or 197  df-an 198  df-ex 679  df-sb 853  df-clab 1093  df-cleq 1097  df-clel 1099  df-v 1349  df-dif 1489  df-un 1490  df-nul 1708  df-sn 1811  df-pr 1812  df-op 1815  df-br 2063
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