| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > crdg | Structured version Visualization version GIF version | ||
| Description: Extend class notation with the recursive definition generator, with characteristic function 𝐹 and initial value 𝐼. |
| Ref | Expression |
|---|---|
| cF | class 𝐹 |
| cI | class 𝐼 |
| Ref | Expression |
|---|---|
| crdg | class rec(𝐹, 𝐼) |
| Colors of variables: wff setvar class |
| Copyright terms: Public domain | W3C validator |