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Theorem ovres 6219
Description: The value of a restricted operation. (Contributed by FL, 10-Nov-2006.)
Assertion
Ref Expression
ovres  |-  ( ( A  e.  C  /\  B  e.  D )  ->  ( A ( F  |`  ( C  X.  D
) ) B )  =  ( A F B ) )

Proof of Theorem ovres
StepHypRef Expression
1 opelxpi 4801 . . 3  |-  ( ( A  e.  C  /\  B  e.  D )  -> 
<. A ,  B >.  e.  ( C  X.  D
) )
2 fvres 5714 . . 3  |-  ( <. A ,  B >.  e.  ( C  X.  D
)  ->  ( ( F  |`  ( C  X.  D ) ) `  <. A ,  B >. )  =  ( F `  <. A ,  B >. ) )
31, 2syl 14 . 2  |-  ( ( A  e.  C  /\  B  e.  D )  ->  ( ( F  |`  ( C  X.  D
) ) `  <. A ,  B >. )  =  ( F `  <. A ,  B >. ) )
4 df-ov 6078 . 2  |-  ( A ( F  |`  ( C  X.  D ) ) B )  =  ( ( F  |`  ( C  X.  D ) ) `
 <. A ,  B >. )
5 df-ov 6078 . 2  |-  ( A F B )  =  ( F `  <. A ,  B >. )
63, 4, 53eqtr4g 2296 1  |-  ( ( A  e.  C  /\  B  e.  D )  ->  ( A ( F  |`  ( C  X.  D
) ) B )  =  ( A F B ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    = wceq 1402    e. wcel 2209   <.cop 3708    X. cxp 4767    |` cres 4771   ` cfv 5372  (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-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-pow 4306  ax-pr 4341
This theorem depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-nf 1514  df-sb 1816  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ral 2533  df-rex 2534  df-v 2823  df-un 3224  df-in 3226  df-ss 3233  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-res 4781  df-iota 5332  df-fv 5380  df-ov 6078
This theorem is referenced by:  ovresd  6220  oprssov  6221  ofmresval  6304  elq  10001  mgmsscl  13658  grpissubg  13974  xmetres2  15403  blres  15458  xmetresbl  15464  mscl  15489  xmscl  15490  xmsge0  15491  xmseq0  15492  divcnap  15589  cncfmet  15616  mpodvdsmulf1o  16018
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