MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  cr1 Unicode version

Syntax Definition cr1 8201
Description: Extend class definition to include the cumulative hierarchy of sets function.
Ref Expression

See definition df-r1 8203 for more information.

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