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+ ) |