Theorem hvmulcomi 31247

Description: Scalar multiplication commutative law. (Contributed by NM, 3-Sep-1999.) (New usage is discouraged.)

Hypotheses

Ref	Expression
hvmulcom.1	⊢ 𝐴 ∈ ℂ
hvmulcom.2	⊢ 𝐵 ∈ ℂ
hvmulcom.3	⊢ 𝐶 ∈ ℋ

Assertion

Ref	Expression
hvmulcomi	⊢ (𝐴 ·ℎ (𝐵 ·ℎ 𝐶)) = (𝐵 ·ℎ (𝐴 ·ℎ 𝐶))

Proof of Theorem hvmulcomi

Step	Hyp	Ref	Expression
1		hvmulcom.1	. 2 ⊢ 𝐴 ∈ ℂ
2		hvmulcom.2	. 2 ⊢ 𝐵 ∈ ℂ
3		hvmulcom.3	. 2 ⊢ 𝐶 ∈ ℋ
4		hvmulcom 31243	. 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → (𝐴 ·ℎ (𝐵 ·ℎ 𝐶)) = (𝐵 ·ℎ (𝐴 ·ℎ 𝐶)))
5	1, 2, 3, 4	mp3an 1482	1 ⊢ (𝐴 ·ℎ (𝐵 ·ℎ 𝐶)) = (𝐵 ·ℎ (𝐴 ·ℎ 𝐶))

Syntax hints:   = wceq 1560   ∈ wcel 2142  (class class class)co 7396  ℂcc 11071   ℋchba 31119   ·_ℎ csm 31121

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1815  ax-4 1829  ax-5 1930  ax-6 1987  ax-7 2028  ax-8 2144  ax-9 2152  ax-ext 2734  ax-mulcom 11137  ax-hvmulass 31207

This theorem depends on definitions:  df-bi 209  df-an 400  df-or 859  df-3an 1100  df-tru 1563  df-fal 1573  df-ex 1800  df-sb 2091  df-clab 2741  df-cleq 2754  df-clel 2837  df-rab 3415  df-v 3456  df-dif 3907  df-un 3909  df-ss 3921  df-nul 4286  df-if 4481  df-sn 4583  df-pr 4585  df-op 4589  df-uni 4866  df-br 5101  df-iota 6477  df-fv 6529  df-ov 7399

This theorem is referenced by: (None)