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| Mirrors > Home > NFE Home > Th. List > ccompl | Unicode version | ||
| Description: Extend class notation to
include complement. (read: "the complement of
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| Ref | Expression |
|---|---|
| cA |
|
| Ref | Expression |
|---|---|
| ccompl |
|
| Colors of variables: wff setvar class |
| Copyright terms: Public domain | W3C validator |