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Theorem elrelsrel 37870
Description: The element of the relations class (df-rels 37868) and the relation predicate are the same when 𝑅 is a set. (Contributed by Peter Mazsa, 24-Nov-2018.)
Assertion
Ref Expression
elrelsrel (𝑅𝑉 → (𝑅 ∈ Rels ↔ Rel 𝑅))

Proof of Theorem elrelsrel
StepHypRef Expression
1 elrels2 37869 . 2 (𝑅𝑉 → (𝑅 ∈ Rels ↔ 𝑅 ⊆ (V × V)))
2 df-rel 5676 . 2 (Rel 𝑅𝑅 ⊆ (V × V))
31, 2bitr4di 289 1 (𝑅𝑉 → (𝑅 ∈ Rels ↔ Rel 𝑅))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 205  wcel 2098  Vcvv 3468  wss 3943   × cxp 5667  Rel wrel 5674   Rels crels 37558
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1789  ax-4 1803  ax-5 1905  ax-6 1963  ax-7 2003  ax-8 2100  ax-9 2108  ax-ext 2697
This theorem depends on definitions:  df-bi 206  df-an 396  df-tru 1536  df-ex 1774  df-sb 2060  df-clab 2704  df-cleq 2718  df-clel 2804  df-v 3470  df-in 3950  df-ss 3960  df-pw 4599  df-rel 5676  df-rels 37868
This theorem is referenced by:  elrelsrelim  37871  elrels5  37872  elrels6  37873  cnvelrels  37878  cosselrels  37879  elrefrelsrel  37903  elcnvrefrelsrel  37919  elsymrelsrel  37940  eltrrelsrel  37964  eleqvrelsrel  37977  elfunsALTVfunALTV  38080  eldisjs5  38109  eldisjsdisj  38110
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