cgn - Metamath Proof Explorer

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

Syntax Definition cgn 28260

Description: Extend class notation with a function mapping a group operation to the inverse function for the group.

**Assertion**
Ref	Expression
cgn	class inv

See definition df-ginv 28264 for more information.

Colors of variables: wff setvar class