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

Syntax Definition cxr 8882
Description: The set of extended reals (includes plus and minus infinity).
Assertion
Ref Expression
cxr  class  RR*

See definition df-xr 8887 for more information.

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