c2o - Metamath Proof Explorer

	Metamath Proof Explorer		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > c2o		Structured version Visualization version GIF version

Syntax Definition c2o 8501

Description: Extend the definition of a class to include the ordinal number 2.

**Assertion**
Ref	Expression
c2o	class 2_o

See definition df-2o 8508 for more information.

Colors of variables: wff setvar class