ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  wnf Unicode version

Syntax Definition wnf 1436
Description: Extend wff definition to include the not-free predicate.
Hypotheses
Ref Expression
wph  wff  ph
vx  setvar  x
Assertion
Ref Expression
wnf  wff  F/ x ph

See definition df-nf 1437 for more information.

Colors of variables: wff set class
  Copyright terms: Public domain W3C validator