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Theorem ovprc1 6095
Description: The value of an operation when the first argument is a proper class. (Contributed by NM, 16-Jun-2004.)
Hypothesis
Ref Expression
ovprc1.1 Rel dom 𝐹
Assertion
Ref Expression
ovprc1 𝐴 ∈ V → (𝐴𝐹𝐵) = ∅)

Proof of Theorem ovprc1
StepHypRef Expression
1 simpl 109 . . 3 ((𝐴 ∈ V ∧ 𝐵 ∈ V) → 𝐴 ∈ V)
21con3i 637 . 2 𝐴 ∈ V → ¬ (𝐴 ∈ V ∧ 𝐵 ∈ V))
3 ovprc1.1 . . 3 Rel dom 𝐹
43ovprc 6094 . 2 (¬ (𝐴 ∈ V ∧ 𝐵 ∈ V) → (𝐴𝐹𝐵) = ∅)
52, 4syl 14 1 𝐴 ∈ V → (𝐴𝐹𝐵) = ∅)
Colors of variables: wff set class
Syntax hints:  ¬ wn 3  wi 4  wa 104   = wceq 1398  wcel 2205  Vcvv 2815  c0 3512  dom cdm 4754  Rel wrel 4759  (class class class)co 6058
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-14 2208  ax-ext 2216  ax-sep 4233  ax-nul 4241  ax-pow 4292  ax-pr 4327
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2085  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ral 2527  df-rex 2528  df-v 2817  df-dif 3216  df-un 3218  df-in 3220  df-ss 3227  df-nul 3513  df-pw 3676  df-sn 3700  df-pr 3701  df-op 3703  df-uni 3920  df-br 4115  df-opab 4177  df-xp 4760  df-rel 4761  df-dm 4764  df-iota 5317  df-fv 5365  df-ov 6061
This theorem is referenced by: (None)
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