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Theorem mpofvexi 6442
Description: Sufficient condition for an operation maps-to notation to be set-like. (Contributed by Mario Carneiro, 3-Jul-2019.)
Hypotheses
Ref Expression
mpofvex.1 𝐹 = (𝑥𝐴, 𝑦𝐵𝐶)
mpofvexi.c 𝐶 ∈ V
mpofvexi.3 𝑅 ∈ V
mpofvexi.4 𝑆 ∈ V
Assertion
Ref Expression
mpofvexi (𝑅𝐹𝑆) ∈ V
Distinct variable groups:   𝑥,𝐴,𝑦   𝑦,𝐵
Allowed substitution hints:   𝐵(𝑥)   𝐶(𝑥, 𝑦)   𝑅(𝑥, 𝑦)   𝑆(𝑥, 𝑦)   𝐹(𝑥, 𝑦)

Proof of Theorem mpofvexi
StepHypRef Expression
1 mpofvexi.c . . 3 𝐶 ∈ V
21gen2 1503 . 2 𝑥𝑦 𝐶 ∈ V
3 mpofvexi.3 . 2 𝑅 ∈ V
4 mpofvexi.4 . 2 𝑆 ∈ V
5 mpofvex.1 . . 3 𝐹 = (𝑥𝐴, 𝑦𝐵𝐶)
65mpofvex 6441 . 2 ((∀𝑥𝑦 𝐶 ∈ V ∧ 𝑅 ∈ V ∧ 𝑆 ∈ V) → (𝑅𝐹𝑆) ∈ V)
72, 3, 4, 6mp3an 1378 1 (𝑅𝐹𝑆) ∈ V
Colors of variables:    wff set class
This proof depends on syntax axioms:  wal 1400   = wceq 1402  wcel 2209  Vcvv 2821  (class class class)co 6085  cmpo 6087
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-sep 4249  ax-pow 4311  ax-pr 4346  ax-un 4578
This proof depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ral 2533  df-rex 2534  df-v 2823  df-sbc 3052  df-csb 3148  df-un 3224  df-in 3226  df-ss 3233  df-pw 3690  df-sn 3715  df-pr 3716  df-op 3718  df-uni 3936  df-iun 4014  df-br 4131  df-opab 4193  df-mpt 4194  df-id 4438  df-xp 4780  df-rel 4781  df-cnv 4782  df-co 4783  df-dm 4784  df-rn 4785  df-iota 5337  df-fun 5379  df-fn 5380  df-f 5381  df-fo 5383  df-fv 5385  df-ov 6088  df-oprab 6089  df-mpo 6090  df-1st 6374  df-2nd 6375
This theorem is used by:  metuex  14892  depindlem1  16747
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