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Theorem r19.26-2 2747
Description: Theorem 19.26 of [Margaris] p. 90 with 2 restricted quantifiers. (Contributed by NM, 10-Aug-2004.)
Assertion
Ref Expression
r19.26-2

Proof of Theorem r19.26-2
StepHypRef Expression
1 r19.26 2746 . . 3
21ralbii 2638 . 2
3 r19.26 2746 . 2
42, 3bitri 240 1
Colors of variables: wff setvar class
Syntax hints:   wb 176   wa 358  wral 2614
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1546  ax-5 1557  ax-17 1616  ax-9 1654  ax-8 1675  ax-11 1746
This theorem depends on definitions:  df-bi 177  df-an 360  df-tru 1319  df-ex 1542  df-nf 1545  df-ral 2619
This theorem is referenced by:  fununi  5160
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