Theorem aovprc 41268

Description: The value of an operation when the one of the arguments is a proper class, analogous to ovprc 6683. (Contributed by Alexander van der Vekens, 26-May-2017.)

Hypothesis

Ref	Expression
aovprc.1	|- Rel dom F

Assertion

Ref	Expression
aovprc	|- ( -. ( A e. _V /\ B e. _V ) -> (( A F B)) = _V )

Proof of Theorem aovprc

Step	Hyp	Ref	Expression
1		df-aov 41198	. 2 |- (( A F B)) = ( F''' <. A , B >. )
2		df-br 4654	. . . . 5 |- ( A dom F B <-> <. A , B >. e. dom F )
3		aovprc.1	. . . . . 6 |- Rel dom F
4		brrelex12 5155	. . . . . 6 |- ( ( Rel dom F /\ A dom F B ) -> ( A e. _V /\ B e. _V ) )
5	3, 4	mpan 706	. . . . 5 |- ( A dom F B -> ( A e. _V /\ B e. _V ) )
6	2, 5	sylbir 225	. . . 4 |- ( <. A , B >. e. dom F -> ( A e. _V /\ B e. _V ) )
7	6	con3i 150	. . 3 |- ( -. ( A e. _V /\ B e. _V ) -> -. <. A , B >. e. dom F )
8		ndmafv 41220	. . 3 |- ( -. <. A , B >. e. dom F -> ( F''' <. A , B >. ) = _V )
9	7, 8	syl 17	. 2 |- ( -. ( A e. _V /\ B e. _V ) -> ( F''' <. A , B >. ) = _V )
10	1, 9	syl5eq 2668	1 |- ( -. ( A e. _V /\ B e. _V ) -> (( A F B)) = _V )

Syntax hints:   -. wn 3   -> wi 4   /\ wa 384   = wceq 1483   e. wcel 1990   _Vcvv 3200   <.cop 4183   class class class wbr 4653   dom cdm 5114   Rel wrel 5119  '''cafv 41194   ((caov 41195

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-sep 4781  ax-nul 4789  ax-pr 4906

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ral 2917  df-rex 2918  df-rab 2921  df-v 3202  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-sn 4178  df-pr 4180  df-op 4184  df-br 4654  df-opab 4713  df-xp 5120  df-rel 5121  df-fv 5896  df-dfat 41196  df-afv 41197  df-aov 41198

This theorem is referenced by: (None)