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Theorem relbrcnv 6108
Description: When 𝑅 is a relation, the sethood assumptions on brcnv 5867 can be omitted. (Contributed by Mario Carneiro, 28-Apr-2015.)
Hypothesis
Ref Expression
relbrcnv.1 Rel 𝑅
Assertion
Ref Expression
relbrcnv (𝐴𝑅𝐵𝐵𝑅𝐴)

Proof of Theorem relbrcnv
StepHypRef Expression
1 relbrcnv.1 . 2 Rel 𝑅
2 relbrcnvg 6106 . 2 (Rel 𝑅 → (𝐴𝑅𝐵𝐵𝑅𝐴))
31, 2ax-mp 5 1 (𝐴𝑅𝐵𝐵𝑅𝐴)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wb 209   class class class wbr 5108  ccnv 5659  Rel wrel 5665
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1824  ax-4 1838  ax-5 1939  ax-6 1996  ax-7 2037  ax-8 2144  ax-9 2152  ax-ext 2734  ax-sep 5256  ax-pr 5403
This proof depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1104  df-tru 1572  df-fal 1582  df-ex 1809  df-sb 2096  df-clab 2741  df-cleq 2754  df-clel 2837  df-ral 3079  df-rex 3089  df-rab 3416  df-v 3456  df-dif 3907  df-un 3909  df-in 3911  df-ss 3921  df-nul 4286  df-if 4487  df-sn 4589  df-pr 4591  df-op 4595  df-br 5109  df-opab 5173  df-xp 5666  df-rel 5667  df-cnv 5668
This theorem is used by:  compssiso  10364  fneval  36891  br1cnvinxp  38936  brcnvep  38947  brid  38989  brcnvrabga  39019  br1cnvxrn2  39096  br1cnvssrres  39262  brcnvssr  39263  brco2f1o  44786  brco3f1o  44787  neicvgnvor  44870
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