MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  c2nd Unicode version

Syntax Definition c2nd 6307
Description: Extend the definition of a class to include the second member an ordered pair function.
Ref Expression
c2nd  class  2nd

See definition df-2nd 6309 for more information.

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