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Theorem ovprc2 7459
Description: The value of an operation when the second argument is a proper class. (Contributed by Mario Carneiro, 26-Apr-2015.)
Hypothesis
Ref Expression
ovprc1.1 Rel dom 𝐹
Assertion
Ref Expression
ovprc2 𝐵 ∈ V → (𝐴𝐹𝐵) = ∅)

Proof of Theorem ovprc2
StepHypRef Expression
1 simpr 490 . 2 ((𝐴 ∈ V ∧ 𝐵 ∈ V) → 𝐵 ∈ V)
2 ovprc1.1 . . 3 Rel dom 𝐹
32ovprc 7457 . 2 (¬ (𝐴 ∈ V ∧ 𝐵 ∈ V) → (𝐴𝐹𝐵) = ∅)
41, 3nsyl5 160 1 𝐵 ∈ V → (𝐴𝐹𝐵) = ∅)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  ¬ wn 3  wi 4  wa 401   = wceq 1570  wcel 2146  Vcvv 3457  c0 4286  dom cdm 5663  Rel wrel 5668  (class class class)co 7419
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2148  ax-9 2156  ax-ext 2737  ax-sep 5259  ax-nul 5271  ax-pr 5406
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-sb 2100  df-mo 2569  df-eu 2599  df-clab 2744  df-cleq 2757  df-clel 2840  df-ne 2961  df-ral 3082  df-rex 3092  df-rab 3419  df-v 3459  df-dif 3909  df-un 3911  df-in 3913  df-ss 3923  df-nul 4287  df-if 4490  df-sn 4592  df-pr 4594  df-op 4598  df-uni 4875  df-br 5112  df-opab 5176  df-xp 5669  df-rel 5670  df-dm 5673  df-iota 6496  df-fv 6548  df-ov 7422
This theorem is used by:  elfvov2  7462  ressbasssg  17321  ressbasssOLD  17324  ress0  17327  wunress  17333  0rest  17506  firest  17509  subcmn  19953  dprdval0prc  20120  submomnd  20248  suborng  21031  zrhval  21709  dsmmval2  21938  psrbas  22136  psr1val  22398  vr1val  22404  ply1ascl  22471  evl1fval  22540  restbas  23367  resstopn  23395  deg1fval  26290  wwlksn  30255  bj-restsnid  37788  1aryenef  49484  2aryenef  49495  prcof1  50225
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