| Metamath Proof Explorer |
< Previous
Next >
Related theorems GIF version |
| Description: Extend class notation with the upper integer function. Read "ℤ≥ ‘M" as "the set of integers greater than or equal to M." |
| Ref | Expression |
|---|---|
| cuz | class ℤ≥ |
| Colors of variables: wff set class |