This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.
Description: A positive real is an extended real. (Contributed by Mario Carneiro, 21-Aug-2015)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | rpxr |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rpre | ||
| 2 | 1 | rexrd |