Description: Real vector spaces are subcomplex vector spaces. (Contributed by BJ, 6-Jan-2024)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | bj-rvecsscvec | ⊢ ℝ-Vec ⊆ ℂVec | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | bj-rvecsscmod | ⊢ ℝ-Vec ⊆ ℂMod | |
| 2 | bj-rvecssvec | ⊢ ℝ-Vec ⊆ LVec | |
| 3 | 1 2 | ssini | ⊢ ℝ-Vec ⊆ ( ℂMod ∩ LVec ) | 
| 4 | df-cvs | ⊢ ℂVec = ( ℂMod ∩ LVec ) | |
| 5 | 3 4 | sseqtrri | ⊢ ℝ-Vec ⊆ ℂVec |