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Theorem aovrcl 41269
Description: Reverse closure for an operation value, analogous to afvvv 41225. In contrast to ovrcl 6686, elementhood of the operation's value in a set is required, not containing an element. (Contributed by Alexander van der Vekens, 26-May-2017.)
Hypothesis
Ref Expression
aovprc.1  |-  Rel  dom  F
Assertion
Ref Expression
aovrcl  |-  ( (( A F B))  e.  C  ->  ( A  e.  _V  /\  B  e.  _V )
)

Proof of Theorem aovrcl
StepHypRef Expression
1 df-aov 41198 . . 3  |- (( A F B))  =  ( F''' <. A ,  B >. )
21eleq1i 2692 . 2  |-  ( (( A F B))  e.  C  <->  ( F''' <. A ,  B >. )  e.  C )
3 afvvdm 41221 . . 3  |-  ( ( F''' <. A ,  B >. )  e.  C  ->  <. A ,  B >.  e. 
dom  F )
4 df-br 4654 . . . 4  |-  ( A dom  F  B  <->  <. A ,  B >.  e.  dom  F
)
5 aovprc.1 . . . . 5  |-  Rel  dom  F
6 brrelex12 5155 . . . . 5  |-  ( ( Rel  dom  F  /\  A dom  F  B )  ->  ( A  e. 
_V  /\  B  e.  _V ) )
75, 6mpan 706 . . . 4  |-  ( A dom  F  B  -> 
( A  e.  _V  /\  B  e.  _V )
)
84, 7sylbir 225 . . 3  |-  ( <. A ,  B >.  e. 
dom  F  ->  ( A  e.  _V  /\  B  e.  _V ) )
93, 8syl 17 . 2  |-  ( ( F''' <. A ,  B >. )  e.  C  -> 
( A  e.  _V  /\  B  e.  _V )
)
102, 9sylbi 207 1  |-  ( (( A F B))  e.  C  ->  ( A  e.  _V  /\  B  e.  _V )
)
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    /\ wa 384    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-8 1992  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)
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