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Theorem 19.24 1662
Description: Theorem 19.24 of [Margaris] p. 90. (Contributed by NM, 5-Aug-1993.)
Assertion
Ref Expression
19.24

Proof of Theorem 19.24
StepHypRef Expression
1 19.2 1659 . . 3
21imim2i 13 . 2
3 19.35 1600 . 2
42, 3sylibr 203 1
Colors of variables: wff setvar class
Syntax hints:   wi 4  wal 1540  wex 1541
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1546  ax-5 1557  ax-9 1654
This theorem depends on definitions:  df-bi 177  df-an 360  df-ex 1542
This theorem is referenced by: (None)
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