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| Mirrors > Home > NFE Home > Th. List > cpw | Unicode 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 |
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| Ref | Expression |
|---|---|
| cpw |
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| Colors of variables: wff setvar class |
| Copyright terms: Public domain | W3C validator |