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Theorem ax11b 1995
Description: A bidirectional version of ax11o 1994. (Contributed by NM, 30-Jun-2006.)
Assertion
Ref Expression
ax11b

Proof of Theorem ax11b
StepHypRef Expression
1 ax11o 1994 . . 3
21imp 418 . 2
3 sp 1747 . . . 4
43com12 27 . . 3
54adantl 452 . 2
62, 5impbid 183 1
Colors of variables: wff setvar class
Syntax hints:   wn 3   wi 4   wb 176   wa 358  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-7 1734  ax-11 1746  ax-12 1925
This theorem depends on definitions:  df-bi 177  df-an 360  df-tru 1319  df-ex 1542  df-nf 1545
This theorem is referenced by: (None)
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