MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  19.23vv Unicode version

Theorem 19.23vv 1761
Description: Theorem 19.23v 1760 extended to two variables. (Contributed by NM, 10-Aug-2004.)
Assertion
Ref Expression
19.23vv
Distinct variable groups:   ,   ,

Proof of Theorem 19.23vv
StepHypRef Expression
1 19.23v 1760 . . 3
21albii 1640 . 2
3 19.23v 1760 . 2
42, 3bitri 249 1
Colors of variables: wff setvar class
Syntax hints:  ->wi 4  <->wb 184  A.wal 1393  E.wex 1612
This theorem is referenced by:  ssrel  5096  ssrelrel  5108  raliunxp  5147  bnj1052  34031  bnj1030  34043
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1618  ax-4 1631  ax-5 1704  ax-6 1747
This theorem depends on definitions:  df-bi 185  df-ex 1613
  Copyright terms: Public domain W3C validator