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

Syntax Definition cen 7584
Description: Extend class definition to include the equinumerosity relation ("approximately equals" symbol)
Ref Expression
cen  class  ~~

See definition df-en 7588 for more information.

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