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Axiom ax-mulcom 8116
Description: Multiplication of complex numbers is commutative. Axiom for real and complex numbers, justified by Theorem axmulcom 8074. Proofs should normally use mulcom 8144 instead. (New usage is discouraged.) (Contributed by NM, 22-Nov-1994.)
Assertion
Ref Expression
ax-mulcom ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐴 · 𝐵) = (𝐵 · 𝐴))

Detailed syntax breakdown of Axiom ax-mulcom
StepHypRef Expression
1 cA . . . 4 class 𝐴
2 cc 8013 . . . 4 class
31, 2wcel 2200 . . 3 wff 𝐴 ∈ ℂ
4 cB . . . 4 class 𝐵
54, 2wcel 2200 . . 3 wff 𝐵 ∈ ℂ
63, 5wa 104 . 2 wff (𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ)
7 cmul 8020 . . . 4 class ·
81, 4, 7co 6010 . . 3 class (𝐴 · 𝐵)
94, 1, 7co 6010 . . 3 class (𝐵 · 𝐴)
108, 9wceq 1395 . 2 wff (𝐴 · 𝐵) = (𝐵 · 𝐴)
116, 10wi 4 1 wff ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐴 · 𝐵) = (𝐵 · 𝐴))
Colors of variables: wff set class
This axiom is referenced by:  mulcom  8144
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