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Theorem brv 5458
Description: Two classes are always in relation by V. This is simply equivalent to 𝐴, 𝐵⟩ ∈ V, and does not imply that V is a relation: see nrelv 5790. (Contributed by Scott Fenton, 11-Apr-2012.)
Assertion
Ref Expression
brv 𝐴V𝐵

Proof of Theorem brv
StepHypRef Expression
1 opex 5449 . 2 𝐴, 𝐵⟩ ∈ V
2 df-br 5115 . 2 (𝐴V𝐵 ↔ ⟨𝐴, 𝐵⟩ ∈ V)
31, 2mpbir 234 1 𝐴V𝐵
Colors of variables: wff setvar class
Syntax hints:  wcel 2150  Vcvv 3462  cop 4600   class class class wbr 5114
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1823  ax-4 1837  ax-5 1938  ax-6 1995  ax-7 2036  ax-8 2152  ax-9 2160  ax-ext 2742  ax-sep 5262  ax-pr 5408
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1103  df-tru 1571  df-ex 1808  df-sb 2099  df-clab 2749  df-cleq 2762  df-clel 2845  df-rab 3424  df-v 3464  df-un 3918  df-in 3920  df-ss 3930  df-sn 4595  df-pr 4597  df-op 4601  df-br 5115
This theorem is referenced by:  brsset  36337  brtxpsd  36342  dffun10  36362  elfuns  36363  dfint3  36402  brub  36404  brvdif  38865
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