cpw - Metamath Proof Explorer

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Syntax Definition cpw 4600

Description: Extend class notation to include power class. (The tilde in the Metamath token is meant to suggest the calligraphic font of the P.)

**Hypothesis**
Ref	Expression
cA	class 𝐴

**Assertion**
Ref	Expression
cpw	class 𝒫 𝐴

See definition df-pw 4602 for more information.

Colors of variables: wff setvar class