NFE Home New Foundations Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  NFE Home  >  Th. List  >  cop GIF version

Syntax Definition cop 4561
Description: Declare the syntax for an ordered pair.
Ref Expression
cA class A
cB class B
Ref Expression
cop class A, B

See definition df-op 4566 for more information.

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