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Theorem brcnvep 35520
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 5693 . . 3 Rel E
21relbrcnv 5964 . 2 (𝐴 E 𝐵𝐵 E 𝐴)
3 epelg 5460 . 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 2110   class class class wbr 5058   E cep 5458  ccnv 5548
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1907  ax-6 1966  ax-7 2011  ax-8 2112  ax-9 2120  ax-10 2141  ax-11 2157  ax-12 2173  ax-ext 2793  ax-sep 5195  ax-nul 5202  ax-pr 5321
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1536  df-ex 1777  df-nf 1781  df-sb 2066  df-mo 2618  df-eu 2650  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-ne 3017  df-ral 3143  df-rex 3144  df-rab 3147  df-v 3496  df-dif 3938  df-un 3940  df-in 3942  df-ss 3951  df-nul 4291  df-if 4467  df-sn 4561  df-pr 4563  df-op 4567  df-br 5059  df-opab 5121  df-eprel 5459  df-xp 5555  df-rel 5556  df-cnv 5557
This theorem is referenced by:  brcnvepres  35522  eccnvepres  35531  eleccnvep  35532  cnvepres  35549  rnxrncnvepres  35642  dfcoels  35669  br1cossincnvepres  35684  br1cossxrncnvepres  35686  dfeldisj5  35948
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