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