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Theorem elrelsrel 38469
Description: The element of the relations class (df-rels 38467) 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 38468 . 2 (𝑅𝑉 → (𝑅 ∈ Rels ↔ 𝑅 ⊆ (V × V)))
2 df-rel 5696 . 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 206  wcel 2106  Vcvv 3478  wss 3963   × cxp 5687  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
This theorem depends on definitions:  df-bi 207  df-an 396  df-tru 1540  df-ex 1777  df-sb 2063  df-clab 2713  df-cleq 2727  df-clel 2814  df-ss 3980  df-pw 4607  df-rel 5696  df-rels 38467
This theorem is referenced by:  elrelsrelim  38470  elrels5  38471  elrels6  38472  cnvelrels  38477  cosselrels  38478  elrefrelsrel  38502  elcnvrefrelsrel  38518  elsymrelsrel  38539  eltrrelsrel  38563  eleqvrelsrel  38576  elfunsALTVfunALTV  38679  eldisjs5  38708  eldisjsdisj  38709
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