cfbas - Metamath Proof Explorer

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

Syntax Definition cfbas 20594

Description: Extend class definition to include the class of filter bases.

**Assertion**
Ref	Expression
cfbas	class fBas

See definition df-fbas 20603 for more information.

Colors of variables: wff setvar class