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

Syntax Definition wss 2988
Description: Extend wff notation to include the subclass relation. This is read "𝐴 is a subclass of 𝐵 " or "𝐵 includes 𝐴." When 𝐴 exists as a set, it is also read "𝐴 is a subset of 𝐵."
Hypotheses
Ref Expression
cA class 𝐴
cB class 𝐵
Assertion
Ref Expression
wss wff 𝐴𝐵

See definition df-ss 3001 for more information.

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