Description: A complete metric space is a metric space. (Contributed by NM, 26-Oct-2007)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | cmetmeti.1 | |- D e. ( CMet ` X ) | |
| Assertion | cmetmeti | |- D e. ( Met ` X ) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | cmetmeti.1 | |- D e. ( CMet ` X ) | |
| 2 | cmetmet | |- ( D e. ( CMet ` X ) -> D e. ( Met ` X ) ) | |
| 3 | 1 2 | ax-mp | |- D e. ( Met ` X ) |