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