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Theorem alim 1637
Description: Restatement of Axiom ax-4 1636, for labelling consistency. It should be the only theorem using ax-4 1636. (Contributed by NM, 10-Jan-1993.)
Assertion
Ref Expression
alim  |-  ( A. x ( ph  ->  ps )  ->  ( A. x ph  ->  A. x ps ) )

Proof of Theorem alim
StepHypRef Expression
1 ax-4 1636 1  |-  ( A. x ( ph  ->  ps )  ->  ( A. x ph  ->  A. x ps ) )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4   A.wal 1396
This theorem was proved from axioms:  ax-4 1636
This theorem is referenced by:  alimi  1638  al2im  1640  19.21v  1734  spfw  1811  axc4  1865  19.21t  1909  eunex  4630  hbaltg  29483  hbalg  33741  al2imVD  34082  hbalgVD  34125  bj-2alim  34622  bj-alrimh  34628  bj-hbalt  34660  bj-nfdt0  34668  bj-eunex  34805  stdpc5t  34820  al3im  38199
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