This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.
Description: An integer is a real number. (Contributed by NM, 14-Jul-2005)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | zrei.1 | ||
| Assertion | zrei |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zrei.1 | ||
| 2 | zre | ||
| 3 | 1 2 | ax-mp |