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

Syntax Definition ctx 22721
Description: Extend class notation with the binary topological product operation.
Assertion
Ref Expression
ctx class ×t

See definition df-tx 22723 for more information.

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