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Theorem brxp 2453
Description: Binary relation on a cross product.
Hypothesis
Ref Expression
opelxp.1 BV
Assertion
Ref Expression
brxp (A(C × D)B ↔ (ACBD))

Proof of Theorem brxp
StepHypRef Expression
1 df-br 2063 . 2 (A(C × D)B ↔ ⟨A, B⟩ ∈ (C × D))
2 opelxp.1 . . 3 BV
32opelxp 2452 . 2 (⟨A, B⟩ ∈ (C × D) ↔ (ACBD))
41, 3bitr 151 1 (A(C × D)B ↔ (ACBD))
Colors of variables: wff set class
Syntax hints:   ↔ wb 127   ∧ wa 196   ∈ wcel 1092  Vcvv 1348  ⟨cop 1810   class class class wbr 2054   × cxp 2408
This theorem is referenced by:  fconst 2774
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 nbsp;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-br 2063  df-opab 2098  df-xp 2424
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