Description: A subcomplex vector space is a (left) vector space. (Contributed by Thierry Arnoux, 22-May-2019)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | cvslvec.1 | |- ( ph -> W e. CVec ) |
|
| Assertion | cvslvec | |- ( ph -> W e. LVec ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cvslvec.1 | |- ( ph -> W e. CVec ) |
|
| 2 | df-cvs | |- CVec = ( CMod i^i LVec ) |
|
| 3 | 2 | elin2 | |- ( W e. CVec <-> ( W e. CMod /\ W e. LVec ) ) |
| 4 | 3 | simprbi | |- ( W e. CVec -> W e. LVec ) |
| 5 | 1 4 | syl | |- ( ph -> W e. LVec ) |