Description: A positive integer is a positive real. (Contributed by Mario Carneiro, 28-May-2016)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | nnrpd.1 | |- ( ph -> A e. NN ) |
|
| Assertion | nnrpd | |- ( ph -> A e. RR+ ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnrpd.1 | |- ( ph -> A e. NN ) |
|
| 2 | nnrp | |- ( A e. NN -> A e. RR+ ) |
|
| 3 | 1 2 | syl | |- ( ph -> A e. RR+ ) |