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Syntax Definition crdg 6418
Description: Extend class notation with the recursive definition generator, with characteristic function  F and initial value  I.
Hypotheses
Ref Expression
cF  class  F
cI  class  I
Assertion
Ref Expression
crdg  class  rec ( F ,  I )

See definition df-rdg 6419 for more information.

Colors of variables: wff set class
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