Theorem elrelsrel 38777

Description: The element of the relations class (df-rels 38775) and the relation predicate are the same when 𝑅 is a set. (Contributed by Peter Mazsa, 24-Nov-2018.)

Assertion

Ref	Expression
elrelsrel	⊢ (𝑅 ∈ 𝑉 → (𝑅 ∈ Rels ↔ Rel 𝑅))

Proof of Theorem elrelsrel

Step	Hyp	Ref	Expression
1		elrels2 38776	. 2 ⊢ (𝑅 ∈ 𝑉 → (𝑅 ∈ Rels ↔ 𝑅 ⊆ (V × V)))
2		df-rel 5631	. 2 ⊢ (Rel 𝑅 ↔ 𝑅 ⊆ (V × V))
3	1, 2	bitr4di 289	1 ⊢ (𝑅 ∈ 𝑉 → (𝑅 ∈ Rels ↔ Rel 𝑅))

Syntax hints:   → wi 4   ↔ wb 206   ∈ wcel 2114  Vcvv 3430   ⊆ wss 3890   × cxp 5622  Rel wrel 5629   Rels crels 38520

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-ext 2709

This theorem depends on definitions:  df-bi 207  df-an 396  df-tru 1545  df-ex 1782  df-sb 2069  df-clab 2716  df-cleq 2729  df-clel 2812  df-ss 3907  df-pw 4544  df-rel 5631  df-rels 38775

This theorem is referenced by:  elrelsrelim  38778  elrels5  38779  elrels6  38780  cosselrels  38910  cnvelrels  38911  elrefrelsrel  38935  elcnvrefrelsrel  38951  elsymrelsrel  38976  eltrrelsrel  39000  eleqvrelsrel  39013  elfunsALTVfunALTV  39117  eldisjs5  39158  eldisjsdisj  39159