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Axiom ax-hvmulass 28790
Description: Scalar multiplication associative law. (Contributed by NM, 30-May-1999.) (New usage is discouraged.)
Assertion
Ref Expression
ax-hvmulass ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → ((𝐴 · 𝐵) · 𝐶) = (𝐴 · (𝐵 · 𝐶)))

Detailed syntax breakdown of Axiom ax-hvmulass
StepHypRef Expression
1 cA . . . 4 class 𝐴
2 cc 10524 . . . 4 class
31, 2wcel 2111 . . 3 wff 𝐴 ∈ ℂ
4 cB . . . 4 class 𝐵
54, 2wcel 2111 . . 3 wff 𝐵 ∈ ℂ
6 cC . . . 4 class 𝐶
7 chba 28702 . . . 4 class
86, 7wcel 2111 . . 3 wff 𝐶 ∈ ℋ
93, 5, 8w3a 1084 . 2 wff (𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ)
10 cmul 10531 . . . . 5 class ·
111, 4, 10co 7135 . . . 4 class (𝐴 · 𝐵)
12 csm 28704 . . . 4 class ·
1311, 6, 12co 7135 . . 3 class ((𝐴 · 𝐵) · 𝐶)
144, 6, 12co 7135 . . . 4 class (𝐵 · 𝐶)
151, 14, 12co 7135 . . 3 class (𝐴 · (𝐵 · 𝐶))
1613, 15wceq 1538 . 2 wff ((𝐴 · 𝐵) · 𝐶) = (𝐴 · (𝐵 · 𝐶))
179, 16wi 4 1 wff ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → ((𝐴 · 𝐵) · 𝐶) = (𝐴 · (𝐵 · 𝐶)))
Colors of variables: wff setvar class
This axiom is referenced by:  hvmul0  28807  hvmul0or  28808  hvm1neg  28815  hvmulcom  28826  hvmulassi  28829  hvsubdistr2  28833  hilvc  28945  hhssnv  29047  h1de2bi  29337  spansncol  29351  h1datomi  29364  mayete3i  29511  homulass  29585  kbmul  29738  kbass5  29903  strlem1  30033
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