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Theorem oveqd 5853
Description: Equality deduction for operation value. (Contributed by NM, 9-Sep-2006.)
Hypothesis
Ref Expression
oveq1d.1  |-  ( ph  ->  A  =  B )
Assertion
Ref Expression
oveqd  |-  ( ph  ->  ( C A D )  =  ( C B D ) )

Proof of Theorem oveqd
StepHypRef Expression
1 oveq1d.1 . 2  |-  ( ph  ->  A  =  B )
2 oveq 5842 . 2  |-  ( A  =  B  ->  ( C A D )  =  ( C B D ) )
31, 2syl 14 1  |-  ( ph  ->  ( C A D )  =  ( C B D ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    = wceq 1342  (class class class)co 5836
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-io 699  ax-5 1434  ax-7 1435  ax-gen 1436  ax-ie1 1480  ax-ie2 1481  ax-8 1491  ax-10 1492  ax-11 1493  ax-i12 1494  ax-bndl 1496  ax-4 1497  ax-17 1513  ax-i9 1517  ax-ial 1521  ax-i5r 1522  ax-ext 2146
This theorem depends on definitions:  df-bi 116  df-tru 1345  df-nf 1448  df-sb 1750  df-clab 2151  df-cleq 2157  df-clel 2160  df-nfc 2295  df-rex 2448  df-uni 3784  df-br 3977  df-iota 5147  df-fv 5190  df-ov 5839
This theorem is referenced by:  oveq123d  5857  csbov12g  5872  ovmpodxf  5958  oprssov  5974  ofeq  6046  fnmpoovd  6174  seqeq2  10374  blfvalps  12926
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