Syntax Definition co 5853

Description: Extend class notation to include the value of an operation 𝐹 (such as + ) for two arguments 𝐴 and 𝐵. Note that the syntax is simply three class symbols in a row surrounded by parentheses. Since operation values are the only possible class expressions consisting of three class expressions in a row surrounded by parentheses, the syntax is unambiguous.

Hypotheses

Ref	Expression
cA	class 𝐴
cB	class 𝐵
cF	class 𝐹

Assertion

Ref	Expression
co	class (𝐴𝐹𝐵)

See definition df-ov 5856 for more information.