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Theorem ovprc2 7491
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 7489 . 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 2147  Vcvv 3454  ∅c0 4281  dom cdm 5658  Rel wrel 5663  (class class class)co 7451
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 1945  ax-6 2002  ax-7 2043  ax-8 2149  ax-9 2157  ax-ext 2735  ax-sep 5255  ax-nul 5266  ax-pr 5398
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 2102  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2839  df-ne 2960  df-ral 3081  df-rex 3091  df-rab 3417  df-v 3456  df-ss 3901  df-dif 4050  df-in 4094  df-un 4154  df-nul 4282  df-if 4486  df-sn 4589  df-pr 4591  df-op 4841  df-uni 4873  df-br 5109  df-opab 5174  df-xp 5664  df-rel 5665  df-dm 5668  df-iota 6520  df-fv 6574  df-ov 7454
This theorem is used by:  elfvov2  7494  ressbasssg  17459  ressbasssOLD  17462  ress0  17465  wunress  17471  0rest  17650  firest  17653  subcmn  20102  dprdval0prc  20269  submomnd  20397  suborng  21184  zrhval  21868  dsmmval2  22097  psrbas  22297  psr1val  22559  vr1val  22565  ply1ascl  22632  evl1fval  22701  restbas  23531  resstopn  23559  deg1fval  26453  wwlksn  30483  bj-restsnid  38278  1aryenef  50088  2aryenef  50099  prcof1  50854
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