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Description: A subcomplex vector space is a (left) vector space. (Contributed by Thierry Arnoux, 22-May-2019)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | cvslvec.1 | ||
| Assertion | cvslvec |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cvslvec.1 | ||
| 2 | df-cvs | ||
| 3 | 2 | elin2 | |
| 4 | 3 | simprbi | |
| 5 | 1 4 | syl |