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Theorem 19.21hOLD 1840
Description: Obsolete proof of 19.21h 1797 as of 1-Jan-2018. (Contributed by NM, 1-Aug-2017.) (Proof modification is discouraged.) (New usage is discouraged.)
Hypothesis
Ref Expression
19.21hOLD.1
Assertion
Ref Expression
19.21hOLD

Proof of Theorem 19.21hOLD
StepHypRef Expression
1 19.21hOLD.1 . . 3
2 alim 1558 . . 3
31, 2syl5 28 . 2
4 hba1 1786 . . . 4
51, 4hbim 1817 . . 3
6 sp 1747 . . . 4
76imim2i 13 . . 3
85, 7alrimih 1565 . 2
93, 8impbii 180 1
Colors of variables: wff setvar class
Syntax hints:   wi 4   wb 176  wal 1540
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-17 1616  ax-9 1654  ax-8 1675  ax-6 1729  ax-11 1746
This theorem depends on definitions:  df-bi 177  df-ex 1542  df-nf 1545
This theorem is referenced by: (None)
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