Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > ccat | Structured version Visualization version GIF version |
Description: Extend class notation with the class of categories. |
Ref | Expression |
---|---|
ccat | class Cat |
Colors of variables: wff setvar class |
Copyright terms: Public domain | W3C validator |