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Syntax Definition crio 6510
Description: Extend class notation with restricted description binder.
Ref Expression
wph wff 𝜑
vx setvar 𝑥
cA class 𝐴
Ref Expression
crio class (𝑥𝐴 𝜑)

See definition df-riota 6511 for more information.

Colors of variables: wff setvar class
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