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Mirrors > Home > HSE Home > Th. List > ax-hvmulass | Structured version Visualization version GIF version |
Description: Scalar multiplication associative law. (Contributed by NM, 30-May-1999.) (New usage is discouraged.) |
Ref | Expression |
---|---|
ax-hvmulass | ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → ((𝐴 · 𝐵) ·ℎ 𝐶) = (𝐴 ·ℎ (𝐵 ·ℎ 𝐶))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cA | . . . 4 class 𝐴 | |
2 | cc 10535 | . . . 4 class ℂ | |
3 | 1, 2 | wcel 2114 | . . 3 wff 𝐴 ∈ ℂ |
4 | cB | . . . 4 class 𝐵 | |
5 | 4, 2 | wcel 2114 | . . 3 wff 𝐵 ∈ ℂ |
6 | cC | . . . 4 class 𝐶 | |
7 | chba 28696 | . . . 4 class ℋ | |
8 | 6, 7 | wcel 2114 | . . 3 wff 𝐶 ∈ ℋ |
9 | 3, 5, 8 | w3a 1083 | . 2 wff (𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) |
10 | cmul 10542 | . . . . 5 class · | |
11 | 1, 4, 10 | co 7156 | . . . 4 class (𝐴 · 𝐵) |
12 | csm 28698 | . . . 4 class ·ℎ | |
13 | 11, 6, 12 | co 7156 | . . 3 class ((𝐴 · 𝐵) ·ℎ 𝐶) |
14 | 4, 6, 12 | co 7156 | . . . 4 class (𝐵 ·ℎ 𝐶) |
15 | 1, 14, 12 | co 7156 | . . 3 class (𝐴 ·ℎ (𝐵 ·ℎ 𝐶)) |
16 | 13, 15 | wceq 1537 | . 2 wff ((𝐴 · 𝐵) ·ℎ 𝐶) = (𝐴 ·ℎ (𝐵 ·ℎ 𝐶)) |
17 | 9, 16 | wi 4 | 1 wff ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → ((𝐴 · 𝐵) ·ℎ 𝐶) = (𝐴 ·ℎ (𝐵 ·ℎ 𝐶))) |
Colors of variables: wff setvar class |
This axiom is referenced by: hvmul0 28801 hvmul0or 28802 hvm1neg 28809 hvmulcom 28820 hvmulassi 28823 hvsubdistr2 28827 hilvc 28939 hhssnv 29041 h1de2bi 29331 spansncol 29345 h1datomi 29358 mayete3i 29505 homulass 29579 kbmul 29732 kbass5 29897 strlem1 30027 |
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