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

Syntax Definition club 14340
Description: Extend class notation with poset least upper bound.
Ref Expression
club  class  lub

See definition df-lub 14372 for more information.

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