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Theorem 19.29x 1686
Description: Variation of 19.29 1683 with mixed quantification. (Contributed by NM, 11-Feb-2005.)
Assertion
Ref Expression
19.29x

Proof of Theorem 19.29x
StepHypRef Expression
1 19.29r 1684 . 2
2 19.29 1683 . . 3
32eximi 1656 . 2
41, 3syl 16 1
Colors of variables: wff setvar class
Syntax hints:  ->wi 4  /\wa 369  A.wal 1393  E.wex 1612
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1618  ax-4 1631
This theorem depends on definitions:  df-bi 185  df-an 371  df-ex 1613
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