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Theorem opabbrfexd 43486
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 pm4.24 566 . . 3 (𝑥𝑅𝑦 ↔ (𝑥𝑅𝑦𝑥𝑅𝑦))
21opabbii 5132 . 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 43485 . 2 (𝜑 → {⟨𝑥, 𝑦⟩ ∣ (𝑥𝑅𝑦𝑥𝑅𝑦)} ∈ V)
92, 8eqeltrid 2917 1 (𝜑 → {⟨𝑥, 𝑦⟩ ∣ 𝑥𝑅𝑦} ∈ V)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 398  wcel 2110  Vcvv 3494   class class class wbr 5065  {copab 5127  wf 6350
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 1907  ax-6 1966  ax-7 2011  ax-8 2112  ax-9 2120  ax-10 2141  ax-11 2157  ax-12 2173  ax-ext 2793  ax-rep 5189  ax-sep 5202  ax-nul 5209  ax-pow 5265  ax-pr 5329  ax-un 7460
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1536  df-ex 1777  df-nf 1781  df-sb 2066  df-mo 2618  df-eu 2650  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-ne 3017  df-ral 3143  df-rex 3144  df-reu 3145  df-rab 3147  df-v 3496  df-sbc 3772  df-csb 3883  df-dif 3938  df-un 3940  df-in 3942  df-ss 3951  df-nul 4291  df-if 4467  df-pw 4540  df-sn 4567  df-pr 4569  df-op 4573  df-uni 4838  df-iun 4920  df-br 5066  df-opab 5128  df-mpt 5146  df-id 5459  df-xp 5560  df-rel 5561  df-cnv 5562  df-co 5563  df-dm 5564  df-rn 5565  df-res 5566  df-ima 5567  df-iota 6313  df-fun 6356  df-fn 6357  df-f 6358  df-f1 6359  df-fo 6360  df-f1o 6361  df-fv 6362
This theorem is referenced by: (None)
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