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 |