| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > coprab | Structured version Visualization version GIF version | ||
| Description: Extend class notation to include class abstraction (class builder) of nested ordered pairs. |
| Ref | Expression |
|---|---|
| wph | wff 𝜑 |
| vx | setvar 𝑥 |
| vy | setvar 𝑦 |
| vz | setvar 𝑧 |
| Ref | Expression |
|---|---|
| coprab | class {〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑} |
| Colors of variables: wff setvar class |
| Copyright terms: Public domain | W3C validator |