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Syntax Definition cin 3153
Description: Extend class notation to include the intersection of two classes (read: " A intersect  B").
Hypotheses
Ref Expression
cA  class  A
cB  class  B
Assertion
Ref Expression
cin  class  ( A  i^i  B )

See definition df-in 3161 for more information.

Colors of variables: wff set class
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