NFE Home New Foundations Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  NFE Home  >  Th. List  >  19.28v Unicode version

Theorem 19.28v 1895
Description: Theorem 19.28 of [Margaris] p. 90. (Contributed by NM, 25-Mar-2004.)
Assertion
Ref Expression
19.28v
Distinct variable group:   ,
Allowed substitution hint:   ()

Proof of Theorem 19.28v
StepHypRef Expression
1 nfv 1619 . 2  F/
2119.28 1870 1
Colors of variables: wff setvar class
Syntax hints:   wb 176   wa 358  wal 1540
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-ex 1542  df-nf 1545
This theorem is referenced by:  cbval2  2004  reu6  3025
  Copyright terms: Public domain W3C validator