Theorem comraddd 8490

Description: Commute RHS addition, in deduction form. (Contributed by David A. Wheeler, 11-Oct-2018.)

Hypotheses

Ref	Expression
comraddd.1	⊢ (𝜑 → 𝐵 ∈ ℂ)
comraddd.2	⊢ (𝜑 → 𝐶 ∈ ℂ)
comraddd.3	⊢ (𝜑 → 𝐴 = (𝐵 + 𝐶))

Assertion

Ref	Expression
comraddd	⊢ (𝜑 → 𝐴 = (𝐶 + 𝐵))

Proof of Theorem comraddd

Step	Hyp	Ref	Expression
1		comraddd.3	. 2 ⊢ (𝜑 → 𝐴 = (𝐵 + 𝐶))
2		comraddd.1	. . 3 ⊢ (𝜑 → 𝐵 ∈ ℂ)
3		comraddd.2	. . 3 ⊢ (𝜑 → 𝐶 ∈ ℂ)
4	2, 3	addcomd 8484	. 2 ⊢ (𝜑 → (𝐵 + 𝐶) = (𝐶 + 𝐵))
5	1, 4	eqtrd 2271	1 ⊢ (𝜑 → 𝐴 = (𝐶 + 𝐵))

This proof depends on syntax axioms:   → wi 4   = wceq 1402   ∈ wcel 2209  (class class class)co 6088  ℂcc 8183   + caddc 8188

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-5 1500  ax-gen 1502  ax-4 1563  ax-17 1579  ax-ext 2220  ax-addcom 8285

This proof depends on definitions:  df-bi 117  df-cleq 2231

This theorem is used by:  mvrladdd  8700  hashfz  11284  bdtrilem  12030  clim2ser2  12129  fsumparts  12262  arisum  12290  divalglemnn  12710  phiprmpw  13029  mulgdir  14016  metrtri  15603  zprmlogbaplem2  16216  apdifflemr  17303