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Theorem opabbrfexd 47570
Description: A collection of ordered pairs, the second component being a function, is a set. (Contributed by AV, 15-Jan-2021.)
Hypotheses
Ref Expression
opabresexd.x ((𝜑𝑥𝑅𝑦) → 𝑥𝐶)
opabresexd.y ((𝜑𝑥𝑅𝑦) → 𝑦:𝐴𝐵)
opabresexd.a ((𝜑𝑥𝐶) → 𝐴𝑈)
opabresexd.b ((𝜑𝑥𝐶) → 𝐵𝑉)
opabresexd.c (𝜑𝐶𝑊)
Assertion
Ref Expression
opabbrfexd (𝜑 → {⟨𝑥, 𝑦⟩ ∣ 𝑥𝑅𝑦} ∈ V)
Distinct variable groups:   𝑦,𝐴   𝑦,𝐵   𝑥,𝐶,𝑦   𝜑,𝑥,𝑦
Allowed substitution hints:   𝐴(𝑥)   𝐵(𝑥)   𝑅(𝑥,𝑦)   𝑈(𝑥,𝑦)   𝑉(𝑥,𝑦)   𝑊(𝑥,𝑦)

Proof of Theorem opabbrfexd
StepHypRef Expression
1 pm4.24 563 . . 3 (𝑥𝑅𝑦 ↔ (𝑥𝑅𝑦𝑥𝑅𝑦))
21opabbii 5166 . 2 {⟨𝑥, 𝑦⟩ ∣ 𝑥𝑅𝑦} = {⟨𝑥, 𝑦⟩ ∣ (𝑥𝑅𝑦𝑥𝑅𝑦)}
3 opabresexd.x . . 3 ((𝜑𝑥𝑅𝑦) → 𝑥𝐶)
4 opabresexd.y . . 3 ((𝜑𝑥𝑅𝑦) → 𝑦:𝐴𝐵)
5 opabresexd.a . . 3 ((𝜑𝑥𝐶) → 𝐴𝑈)
6 opabresexd.b . . 3 ((𝜑𝑥𝐶) → 𝐵𝑉)
7 opabresexd.c . . 3 (𝜑𝐶𝑊)
83, 4, 5, 6, 7opabresexd 47569 . 2 (𝜑 → {⟨𝑥, 𝑦⟩ ∣ (𝑥𝑅𝑦𝑥𝑅𝑦)} ∈ V)
92, 8eqeltrid 2841 1 (𝜑 → {⟨𝑥, 𝑦⟩ ∣ 𝑥𝑅𝑦} ∈ V)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  wcel 2114  Vcvv 3441   class class class wbr 5099  {copab 5161  wf 6489
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-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-rep 5225  ax-sep 5242  ax-nul 5252  ax-pow 5311  ax-pr 5378  ax-un 7682
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-clab 2716  df-cleq 2729  df-clel 2812  df-ral 3053  df-rex 3062  df-rab 3401  df-v 3443  df-dif 3905  df-un 3907  df-in 3909  df-ss 3919  df-nul 4287  df-if 4481  df-pw 4557  df-sn 4582  df-pr 4584  df-op 4588  df-uni 4865  df-iun 4949  df-br 5100  df-opab 5162  df-xp 5631  df-rel 5632  df-cnv 5633  df-dm 5635  df-rn 5636  df-fun 6495  df-fn 6496  df-f 6497
This theorem is referenced by: (None)
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