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Axiom ax-hvmulass 31095
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 11036 . . . 4 class
31, 2wcel 2114 . . 3 wff 𝐴 ∈ ℂ
4 cB . . . 4 class 𝐵
54, 2wcel 2114 . . 3 wff 𝐵 ∈ ℂ
6 cC . . . 4 class 𝐶
7 chba 31007 . . . 4 class
86, 7wcel 2114 . . 3 wff 𝐶 ∈ ℋ
93, 5, 8w3a 1087 . 2 wff (𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ)
10 cmul 11043 . . . . 5 class ·
111, 4, 10co 7368 . . . 4 class (𝐴 · 𝐵)
12 csm 31009 . . . 4 class ·
1311, 6, 12co 7368 . . 3 class ((𝐴 · 𝐵) · 𝐶)
144, 6, 12co 7368 . . . 4 class (𝐵 · 𝐶)
151, 14, 12co 7368 . . 3 class (𝐴 · (𝐵 · 𝐶))
1613, 15wceq 1542 . 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  31112  hvmul0or  31113  hvm1neg  31120  hvmulcom  31131  hvmulassi  31134  hvsubdistr2  31138  hilvc  31250  hhssnv  31352  h1de2bi  31642  spansncol  31656  h1datomi  31669  mayete3i  31816  homulass  31890  kbmul  32043  kbass5  32208  strlem1  32338
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