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Theorem opelcn 4042
Description: Ordered pair membership in the class of complex numbers.
Hypothesis
Ref Expression
opelcn.1 |- B e. V
Assertion
Ref Expression
opelcn |- (<.A, B>. e. CC <-> (A e. R. /\ B e. R.))

Proof of Theorem opelcn
StepHypRef Expression
1 df-c 4034 . . 3 |- CC = (R. X. R.)
21eleq2i 1153 . 2 |- (<.A, B>. e. CC <-> <.A, B>. e. (R. X. R.))
3 opelcn.1 . . 3 |- B e. V
43opelxp 2452 . 2 |- (<.A, B>. e. (R. X. R.) <-> (A e. R. /\ B e. R.))
52, 4bitr 151 1 |- (<.A, B>. e. CC <-> (A e. R. /\ B e. R.))
Colors of variables: wff set class
Syntax hints:   <-> wb 127   /\ wa 196   e. wcel 1092  Vcvv 1348  <.cop 1810   X. cxp 2408  R.cnr 3787  CCcc 4026
This theorem is referenced by:  axicn 4065  axrecex 4079
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-13 804  ax-14 805  ax-16 922  ax-17 925  ax-ext 1074  ax-rep 1075  ax-pow 1077
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-in 1491  df-ss 1492  df-nul 1708  df-pw 1799  df-sn 1811  df-pr 1812  df-op 1815  df-opab 2098  df-xp 2424  df-c 4034
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