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| Mirrors > Home > NFE Home > Th. List > cp6 | GIF version | ||
| Description: Extend the definition of a class to include the P6 operator (the set guaranteed by ax-typlower 4087). |
| Ref | Expression |
|---|---|
| cA | class A |
| Ref | Expression |
|---|---|
| cp6 | class P6 A |
| Colors of variables: wff setvar class |
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