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Theorem 19.29r 1684
Description: Variation of 19.29 1683. (Contributed by NM, 18-Aug-1993.)
Assertion
Ref Expression
19.29r

Proof of Theorem 19.29r
StepHypRef Expression
1 19.29 1683 . . 3
21ancoms 453 . 2
3 exancom 1671 . 2
42, 3sylibr 212 1
Colors of variables: wff setvar class
Syntax hints:  ->wi 4  /\wa 369  A.wal 1393  E.wex 1612
This theorem is referenced by:  19.29r2  1685  19.29x  1686  19.40b  1698  intab  4317  imadif  5668  kmlem6  8556  2ndcdisj  19957  fmcncfil  27913  bnj907  34023
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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