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Mirrors > Home > ILE Home > Th. List > cdif | GIF version |
Description: Extend class notation to include class difference (read: "A minus B"). |
Ref | Expression |
---|---|
cA | class A |
cB | class B |
Ref | Expression |
---|---|
cdif | class (A ∖ B) |
Colors of variables: wff set class |
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