cen - Metamath Proof Explorer

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

Syntax Definition cen 8688

Description: Extend class definition to include the equinumerosity relation ("approximately equals" symbol)

**Assertion**
Ref	Expression
cen	class ≈

See definition df-en 8692 for more information.

Colors of variables: wff setvar class