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| Mirrors > Home > MPE Home > Th. List > ccnv | Structured version Visualization version GIF version | ||
| Description: Extend the definition of a class to include the converse of a class. |
| Ref | Expression |
|---|---|
| cA | class 𝐴 |
| Ref | Expression |
|---|---|
| ccnv | class ◡𝐴 |
| Colors of variables: wff setvar class |
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