Description: (The additive groups of) real vector spaces are commutative groups (elemental version). (Contributed by BJ, 9-Jun-2019)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | bj-rvecabl | |- ( A e. RRVec -> A e. Abel ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bj-rvecssabl | |- RRVec C_ Abel |
|
| 2 | 1 | sseli | |- ( A e. RRVec -> A e. Abel ) |