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Syntax Definition co 5777
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.
Ref Expression
cA class 𝐴
cB class 𝐵
cF class 𝐹
Ref Expression
co class (𝐴𝐹𝐵)

See definition df-ov 5780 for more information.

Colors of variables: wff set class
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