Description: Hilbert space scalar multiplication distributive law. (Contributed by NM, 7-Sep-2007) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | hldi.1 | ||
| hldi.2 | |||
| hldi.4 | |||
| Assertion | hldir | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | hldi.1 | ||
| 2 | hldi.2 | ||
| 3 | hldi.4 | ||
| 4 | hlnv | ||
| 5 | 1 2 3 | nvdir | |
| 6 | 4 5 | sylan |