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Theorem cnvelrels 38486
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 6075 . 2 Rel 𝐴
2 cnvexg 7900 . . 3 (𝐴𝑉𝐴 ∈ V)
3 elrelsrel 38478 . . 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 2109  Vcvv 3447  ccnv 5637  Rel wrel 5643   Rels crels 38171
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 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-ext 2701  ax-sep 5251  ax-nul 5261  ax-pow 5320  ax-pr 5387  ax-un 7711
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-sb 2066  df-clab 2708  df-cleq 2721  df-clel 2803  df-ral 3045  df-rex 3054  df-rab 3406  df-v 3449  df-dif 3917  df-un 3919  df-in 3921  df-ss 3931  df-nul 4297  df-if 4489  df-pw 4565  df-sn 4590  df-pr 4592  df-op 4596  df-uni 4872  df-br 5108  df-opab 5170  df-xp 5644  df-rel 5645  df-cnv 5646  df-dm 5648  df-rn 5649  df-rels 38476
This theorem is referenced by:  cosscnvelrels  38488
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