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Theorem brcnvep 35530
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 5702 . . 3 Rel E
21relbrcnv 5973 . 2 (𝐴 E 𝐵𝐵 E 𝐴)
3 epelg 5469 . 2 (𝐴𝑉 → (𝐵 E 𝐴𝐵𝐴))
42, 3syl5bb 285 1 (𝐴𝑉 → (𝐴 E 𝐵𝐵𝐴))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 208  wcel 2113   class class class wbr 5069   E cep 5467  ccnv 5557
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1969  ax-7 2014  ax-8 2115  ax-9 2123  ax-10 2144  ax-11 2160  ax-12 2176  ax-ext 2796  ax-sep 5206  ax-nul 5213  ax-pr 5333
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1539  df-ex 1780  df-nf 1784  df-sb 2069  df-mo 2621  df-eu 2653  df-clab 2803  df-cleq 2817  df-clel 2896  df-nfc 2966  df-ne 3020  df-ral 3146  df-rex 3147  df-rab 3150  df-v 3499  df-dif 3942  df-un 3944  df-in 3946  df-ss 3955  df-nul 4295  df-if 4471  df-sn 4571  df-pr 4573  df-op 4577  df-br 5070  df-opab 5132  df-eprel 5468  df-xp 5564  df-rel 5565  df-cnv 5566
This theorem is referenced by:  brcnvepres  35532  eccnvepres  35541  eleccnvep  35542  cnvepres  35559  rnxrncnvepres  35652  dfcoels  35679  br1cossincnvepres  35694  br1cossxrncnvepres  35696  dfeldisj5  35958
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