Theorem comraddd 8076

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 8070	. 2 ⊢ (𝜑 → (𝐵 + 𝐶) = (𝐶 + 𝐵))
5	1, 4	eqtrd 2203	1 ⊢ (𝜑 → 𝐴 = (𝐶 + 𝐵))

Syntax hints:   → wi 4   = wceq 1348   ∈ wcel 2141  (class class class)co 5853  ℂcc 7772   + caddc 7777

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-5 1440  ax-gen 1442  ax-4 1503  ax-17 1519  ax-ext 2152  ax-addcom 7874

This theorem depends on definitions:  df-bi 116  df-cleq 2163

This theorem is referenced by:  mvrladdd  8286  hashfz  10756  bdtrilem  11202  clim2ser2  11301  fsumparts  11433  arisum  11461  divalglemnn  11877  phiprmpw  12176  metrtri  13171  apdifflemr  14079