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Theorem bj-2alim 30753
Description: Closed form of 2alimi 1655. (Contributed by BJ, 6-May-2019.)
Assertion
Ref Expression
bj-2alim  |-  ( A. x A. y ( ph  ->  ps )  ->  ( A. x A. y ph  ->  A. x A. y ps ) )

Proof of Theorem bj-2alim
StepHypRef Expression
1 alim 1653 . 2  |-  ( A. y ( ph  ->  ps )  ->  ( A. y ph  ->  A. y ps ) )
21al2imi 1657 1  |-  ( A. x A. y ( ph  ->  ps )  ->  ( A. x A. y ph  ->  A. x A. y ps ) )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4   A.wal 1403
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-gen 1639  ax-4 1652
This theorem is referenced by: (None)
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