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Theorem r19.32v 2846
 Description: Theorem 19.32 of [Margaris] p. 90 with restricted quantifiers. (Contributed by NM, 25-Nov-2003.)
Assertion
Ref Expression
r19.32v
Distinct variable group:   ,
Allowed substitution hints:   ()   ()

Proof of Theorem r19.32v
StepHypRef Expression
1 r19.21v 2785 . 2
2 df-or 360 . . 3
32ralbii 2721 . 2
4 df-or 360 . 2
51, 3, 43bitr4i 269 1
 Colors of variables: wff set class Syntax hints:   wn 3   wi 4   wb 177   wo 358  wral 2697 This theorem is referenced by:  iinun2  4149  iinuni  4166  axcontlem2  25852  axcontlem7  25857 This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1555  ax-5 1566  ax-17 1626  ax-9 1666  ax-8 1687  ax-6 1744  ax-11 1761 This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-tru 1328  df-ex 1551  df-nf 1554  df-ral 2702
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