ctx - Metamath Proof Explorer

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

Syntax Definition ctx 22619

Description: Extend class notation with the binary topological product operation.

**Assertion**
Ref	Expression
ctx	class ×_t

See definition df-tx 22621 for more information.

Colors of variables: wff setvar class