ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  csb Unicode version

Syntax Definition csb 2852
Description: Extend class notation to include the proper substitution of a class for a set into another class.
Hypotheses
Ref Expression
vx  setvar  x
cA  class  A
cB  class  B
Assertion
Ref Expression
csb  class  [_ A  /  x ]_ B

See definition df-csb 2853 for more information.

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