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Theorem ovprc1 6112
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  e.  _V  ->  ( A F B )  =  (/) )

Proof of Theorem ovprc1
StepHypRef Expression
1 simpl 109 . . 3  |-  ( ( A  e.  _V  /\  B  e.  _V )  ->  A  e.  _V )
21con3i 641 . 2  |-  ( -.  A  e.  _V  ->  -.  ( A  e.  _V  /\  B  e.  _V )
)
3 ovprc1.1 . . 3  |-  Rel  dom  F
43ovprc 6111 . 2  |-  ( -.  ( A  e.  _V  /\  B  e.  _V )  ->  ( A F B )  =  (/) )
52, 4syl 14 1  |-  ( -.  A  e.  _V  ->  ( A F B )  =  (/) )
Colors of variables: wff set class
Syntax hints:   -. wn 3    -> wi 4    /\ wa 104    = wceq 1402    e. wcel 2209   _Vcvv 2821   (/)c0 3520   dom cdm 4769   Rel wrel 4774  (class class class)co 6075
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 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-sep 4244  ax-nul 4254  ax-pow 4306  ax-pr 4341
This theorem depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-eu 2089  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ral 2533  df-rex 2534  df-v 2823  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-pw 3687  df-sn 3711  df-pr 3712  df-op 3714  df-uni 3931  df-br 4126  df-opab 4188  df-xp 4775  df-rel 4776  df-dm 4779  df-iota 5332  df-fv 5380  df-ov 6078
This theorem is referenced by: (None)
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