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Syntax Definition clsupp 25735
Description: Extend class notation to include the supremum of the class B.
Ref Expression
vx  set  x
cA  class  A
cB  class  B
Ref Expression
clsupp  class  sup _  x  e.  A B

See definition df-supp 25737 for more information.

Colors of variables: wff set class
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