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 ) |