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

Syntax Definition csi 4720
Description: Extend the definition of a class to include the singleton image.
Ref Expression
cA class A
Ref Expression
csi class SI A

See definition df-si 4728 for more information.

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