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Theorem ovprc2 7460
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 7458 . 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 2145  Vcvv 3451  ∅c0 4279  dom cdm 5651  Rel wrel 5656  (class class class)co 7420
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 2147  ax-9 2155  ax-ext 2733  ax-sep 5249  ax-nul 5260  ax-pr 5391
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 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-ne 2957  df-ral 3078  df-rex 3088  df-rab 3414  df-v 3453  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4280  df-if 4483  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-br 5104  df-opab 5168  df-xp 5657  df-rel 5658  df-dm 5661  df-iota 6494  df-fv 6546  df-ov 7423
This theorem is used by:  elfvov2  7463  ressbasssg  17415  ressbasssOLD  17418  ress0  17421  wunress  17427  0rest  17600  firest  17603  subcmn  20051  dprdval0prc  20218  submomnd  20346  suborng  21133  zrhval  21813  dsmmval2  22042  psrbas  22242  psr1val  22504  vr1val  22510  ply1ascl  22577  evl1fval  22646  restbas  23476  resstopn  23504  deg1fval  26398  wwlksn  30426  bj-restsnid  38008  1aryenef  49756  2aryenef  49767  prcof1  50495
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