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Theorem brcnvep 38939
Description: The converse of the binary epsilon relation. (Contributed by Peter Mazsa, 30-Jan-2018.)
Assertion
Ref Expression
brcnvep (𝐴𝑉 → (𝐴 E 𝐵𝐵𝐴))

Proof of Theorem brcnvep
StepHypRef Expression
1 rele 5814 . . 3 Rel E
21relbrcnv 6109 . 2 (𝐴 E 𝐵𝐵 E 𝐴)
3 epelg 5562 . 2 (𝐴𝑉 → (𝐵 E 𝐴𝐵𝐴))
42, 3bitrid 286 1 (𝐴𝑉 → (𝐴 E 𝐵𝐵𝐴))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 209  wcel 2143   class class class wbr 5109   E cep 5560  ccnv 5660
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1825  ax-4 1839  ax-5 1940  ax-6 1997  ax-7 2038  ax-8 2145  ax-9 2153  ax-ext 2735  ax-sep 5257  ax-pr 5404
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1810  df-sb 2097  df-clab 2742  df-cleq 2755  df-clel 2838  df-ne 2959  df-ral 3080  df-rex 3090  df-rab 3417  df-v 3457  df-dif 3908  df-un 3910  df-in 3912  df-ss 3922  df-nul 4287  df-if 4488  df-sn 4590  df-pr 4592  df-op 4596  df-br 5110  df-opab 5174  df-eprel 5561  df-xp 5667  df-rel 5668  df-cnv 5669
This theorem is referenced by:  brcnvepres  38941  eccnvepres  38955  eleccnvep  38956  cnvepres  38973  brxrncnvep  39055  dmcnvep  39057  ecxrncnvep  39078  rnxrncnvepres  39092  dfsucmap3  39132  coss2cnvepres  39177  dfcoels  39189  br1cossincnvepres  39209  br1cossxrncnvepres  39211  dfeldisj5  39482
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