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

Syntax Definition wnf 1419
Description: Extend wff definition to include the not-free predicate.
Ref Expression
wph wff 𝜑
vx setvar 𝑥
Ref Expression
wnf wff 𝑥𝜑

See definition df-nf 1420 for more information.

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