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Theorem brcnvep 38770
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 5801 . . 3 Rel E
21relbrcnv 6097 . 2 (𝐴 E 𝐵𝐵 E 𝐴)
3 epelg 5549 . 2 (𝐴𝑉 → (𝐵 E 𝐴𝐵𝐴))
42, 3bitrid 285 1 (𝐴𝑉 → (𝐴 E 𝐵𝐵𝐴))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 208  wcel 2143   class class class wbr 5101   E cep 5547  ccnv 5647
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1816  ax-4 1830  ax-5 1931  ax-6 1988  ax-7 2029  ax-8 2145  ax-9 2153  ax-ext 2735  ax-sep 5247  ax-pr 5391
This theorem depends on definitions:  df-bi 209  df-an 400  df-or 859  df-3an 1101  df-tru 1564  df-fal 1574  df-ex 1801  df-sb 2092  df-clab 2742  df-cleq 2755  df-clel 2838  df-ne 2959  df-ral 3078  df-rex 3088  df-rab 3416  df-v 3457  df-dif 3908  df-un 3910  df-in 3912  df-ss 3922  df-nul 4287  df-if 4482  df-sn 4584  df-pr 4586  df-op 4590  df-br 5102  df-opab 5164  df-eprel 5548  df-xp 5654  df-rel 5655  df-cnv 5656
This theorem is referenced by:  brcnvepres  38772  eccnvepres  38786  eleccnvep  38787  cnvepres  38804  brxrncnvep  38886  dmcnvep  38888  ecxrncnvep  38909  rnxrncnvepres  38923  dfsucmap3  38963  coss2cnvepres  39008  dfcoels  39020  br1cossincnvepres  39040  br1cossxrncnvepres  39042  dfeldisj5  39313
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