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Related theorems GIF version |
| Description: Closure of scalar multiplication. |
| Ref | Expression |
|---|---|
| ax-hvmulcl | ⊢ ((A ∈ ℂ ∧ B ∈ ℋ ) → (A ·s B) ∈ ℋ ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cA | . . . 4 class A | |
| 2 | cc 4026 | . . . 4 class ℂ | |
| 3 | 1, 2 | wcel 1092 | . . 3 wff A ∈ ℂ |
| 4 | cB | . . . 4 class B | |
| 5 | chil 4958 | . . . 4 class ℋ | |
| 6 | 4, 5 | wcel 1092 | . . 3 wff B ∈ ℋ |
| 7 | 3, 6 | wa 196 | . 2 wff (A ∈ ℂ ∧ B ∈ ℋ ) |
| 8 | csm 4960 | . . . 4 class ·s | |
| 9 | 1, 4, 8 | co 3001 | . . 3 class (A ·s B) |
| 10 | 9, 5 | wcel 1092 | . 2 wff (A ·s B) ∈ ℋ |
| 11 | 7, 10 | wi 2 | 1 wff ((A ∈ ℂ ∧ B ∈ ℋ ) → (A ·s B) ∈ ℋ ) |
| Colors of variables: wff set class |
| This axiom is referenced by: hvmulcl 4990 hvsubclt 4998 hvsub4t 5014 hvaddsub12t 5015 hvsubcan1t 5016 hvaddsubasst 5018 his5 5050 his2subt 5052 helch 5151 ocsh 5164 h1de2ct 5461 spansncol 5473 spanunsn 5482 |