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Theorem cnvelrels 38477
Description: The converse of a set is an element of the class of relations. (Contributed by Peter Mazsa, 18-Aug-2019.)
Assertion
Ref Expression
cnvelrels (𝐴𝑉𝐴 ∈ Rels )

Proof of Theorem cnvelrels
StepHypRef Expression
1 relcnv 6125 . 2 Rel 𝐴
2 cnvexg 7947 . . 3 (𝐴𝑉𝐴 ∈ V)
3 elrelsrel 38469 . . 3 (𝐴 ∈ V → (𝐴 ∈ Rels ↔ Rel 𝐴))
42, 3syl 17 . 2 (𝐴𝑉 → (𝐴 ∈ Rels ↔ Rel 𝐴))
51, 4mpbiri 258 1 (𝐴𝑉𝐴 ∈ Rels )
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  wcel 2106  Vcvv 3478  ccnv 5688  Rel wrel 5694   Rels crels 38164
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 1908  ax-6 1965  ax-7 2005  ax-8 2108  ax-9 2116  ax-ext 2706  ax-sep 5302  ax-nul 5312  ax-pow 5371  ax-pr 5438  ax-un 7754
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1540  df-fal 1550  df-ex 1777  df-sb 2063  df-clab 2713  df-cleq 2727  df-clel 2814  df-ral 3060  df-rex 3069  df-rab 3434  df-v 3480  df-dif 3966  df-un 3968  df-in 3970  df-ss 3980  df-nul 4340  df-if 4532  df-pw 4607  df-sn 4632  df-pr 4634  df-op 4638  df-uni 4913  df-br 5149  df-opab 5211  df-xp 5695  df-rel 5696  df-cnv 5697  df-dm 5699  df-rn 5700  df-rels 38467
This theorem is referenced by:  cosscnvelrels  38479
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