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

Syntax Definition copk 4057
Description: Extend class notation to include Kuratowski ordered pair.
Hypotheses
Ref Expression
cA
cB
Assertion
Ref Expression
copk

See definition df-opk 4058 for more information.

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