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Theorem ovrspc2v 6043
Description: If an operation value is element of a class for all operands of two classes, then the operation value is an element of the class for specific operands of the two classes. (Contributed by Mario Carneiro, 6-Dec-2014.)
Assertion
Ref Expression
ovrspc2v  |-  ( ( ( X  e.  A  /\  Y  e.  B
)  /\  A. x  e.  A  A. y  e.  B  ( x F y )  e.  C )  ->  ( X F Y )  e.  C )
Distinct variable groups:    x, y, A   
x, B, y    x, C, y    x, F, y   
y, Y    x, X, y
Allowed substitution hint:    Y( x)

Proof of Theorem ovrspc2v
StepHypRef Expression
1 oveq1 6024 . . 3  |-  ( x  =  X  ->  (
x F y )  =  ( X F y ) )
21eleq1d 2300 . 2  |-  ( x  =  X  ->  (
( x F y )  e.  C  <->  ( X F y )  e.  C ) )
3 oveq2 6025 . . 3  |-  ( y  =  Y  ->  ( X F y )  =  ( X F Y ) )
43eleq1d 2300 . 2  |-  ( y  =  Y  ->  (
( X F y )  e.  C  <->  ( X F Y )  e.  C
) )
52, 4rspc2va 2924 1  |-  ( ( ( X  e.  A  /\  Y  e.  B
)  /\  A. x  e.  A  A. y  e.  B  ( x F y )  e.  C )  ->  ( X F Y )  e.  C )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    = wceq 1397    e. wcel 2202   A.wral 2510  (class class class)co 6017
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 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-ext 2213
This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-nf 1509  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ral 2515  df-rex 2516  df-v 2804  df-un 3204  df-sn 3675  df-pr 3676  df-op 3678  df-uni 3894  df-br 4089  df-iota 5286  df-fv 5334  df-ov 6020
This theorem is referenced by:  ercpbl  13413  mgmcl  13441  sgrppropd  13495  mndpropd  13522  issubmnd  13524  submcl  13561  issubg2m  13775  lmodprop2d  14361  lsspropdg  14444
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