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Syntax Definition cdit 19511
Description: Extend class notation with the directed integral.
Ref Expression
vx  set  x
cA  class  A
cB  class  B
cC  class  C
Ref Expression
cdit  class  S__ [ A  ->  B ] C  _d x

See definition df-ditg 19517 for more information.

Colors of variables: wff set class
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