Theorem alinexa 1663

Description: A transformation of quantifiers and logical connectives. (Contributed by NM, 19-Aug-1993.)

Assertion

Ref	Expression
alinexa

Proof of Theorem alinexa

Step	Hyp	Ref	Expression
1		imnan 422	. . 3
2	1	albii 1640	. 2
3		alnex 1614	. 2
4	2, 3	bitri 249	1

Syntax hints:  -.wn 3  ->wi 4  <->wb 184  /\wa 369  A.wal 1393  E.wex 1612

This theorem is referenced by:  equs3  1734  ralnex  2903  r2exlem  2977  zfregs2  8185  ac6n  8886  nnunb  10816  alexsubALTlem3  20549  nmobndseqi  25694  zfregs2VD  33641  bj-exnalimn  34221

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