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

Syntax Definition cpr 3738
Description: Extend class notation to include unordered pair.
Hypotheses
Ref Expression
cA
cB
Assertion
Ref Expression
cpr

See definition df-pr 3742 for more information.

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