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Theorem brcnvep 38525
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 5784 . . 3 Rel E
21relbrcnv 6074 . 2 (𝐴 E 𝐵𝐵 E 𝐴)
3 epelg 5533 . 2 (𝐴𝑉 → (𝐵 E 𝐴𝐵𝐴))
42, 3bitrid 283 1 (𝐴𝑉 → (𝐴 E 𝐵𝐵𝐴))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  wcel 2114   class class class wbr 5100   E cep 5531  ccnv 5631
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-ext 2709  ax-sep 5243  ax-pr 5379
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-sb 2069  df-clab 2716  df-cleq 2729  df-clel 2812  df-ne 2934  df-ral 3053  df-rex 3063  df-rab 3402  df-v 3444  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-nul 4288  df-if 4482  df-sn 4583  df-pr 4585  df-op 4589  df-br 5101  df-opab 5163  df-eprel 5532  df-xp 5638  df-rel 5639  df-cnv 5640
This theorem is referenced by:  brcnvepres  38527  eccnvepres  38541  eleccnvep  38542  cnvepres  38559  brxrncnvep  38641  dmcnvep  38643  ecxrncnvep  38664  rnxrncnvepres  38678  dfsucmap3  38718  coss2cnvepres  38763  dfcoels  38775  br1cossincnvepres  38795  br1cossxrncnvepres  38797  dfeldisj5  39068
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