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Mirrors > Home > MPE Home > Th. List > cpw | Structured version Visualization version GIF version |
Description: Extend class notation to include power class. (The tilde in the Metamath token is meant to suggest the calligraphic font of the P.) |
Ref | Expression |
---|---|
cA | class 𝐴 |
Ref | Expression |
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cpw | class 𝒫 𝐴 |
Colors of variables: wff setvar class |
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