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Theorem ovprc2 7467
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 7465 . 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 1569   ∈ wcel 2146  Vcvv 3453  ∅c0 4280  dom cdm 5654  Rel wrel 5659  (class class class)co 7427
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1944  ax-6 2001  ax-7 2042  ax-8 2148  ax-9 2156  ax-ext 2735  ax-sep 5251  ax-nul 5262  ax-pr 5394
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-sb 2101  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2838  df-ne 2959  df-ral 3080  df-rex 3090  df-rab 3416  df-v 3455  df-ss 3900  df-dif 4049  df-in 4093  df-un 4153  df-nul 4281  df-if 4485  df-sn 4588  df-pr 4590  df-op 4838  df-uni 4870  df-br 5106  df-opab 5170  df-xp 5660  df-rel 5661  df-dm 5664  df-iota 6500  df-fv 6554  df-ov 7430
This theorem is used by:  elfvov2  7470  ressbasssg  17427  ressbasssOLD  17430  ress0  17433  wunress  17439  0rest  17612  firest  17615  subcmn  20063  dprdval0prc  20230  submomnd  20358  suborng  21145  zrhval  21825  dsmmval2  22054  psrbas  22254  psr1val  22516  vr1val  22522  ply1ascl  22589  evl1fval  22658  restbas  23488  resstopn  23516  deg1fval  26410  wwlksn  30438  bj-restsnid  38147  1aryenef  49896  2aryenef  49907  prcof1  50662
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