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Mirrors > Home > ILE Home > Th. List > comraddd | GIF version |
Description: Commute RHS addition, in deduction form. (Contributed by David A. Wheeler, 11-Oct-2018.) |
Ref | Expression |
---|---|
comraddd.1 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
comraddd.2 | ⊢ (𝜑 → 𝐶 ∈ ℂ) |
comraddd.3 | ⊢ (𝜑 → 𝐴 = (𝐵 + 𝐶)) |
Ref | Expression |
---|---|
comraddd | ⊢ (𝜑 → 𝐴 = (𝐶 + 𝐵)) |
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 8127 | . 2 ⊢ (𝜑 → (𝐵 + 𝐶) = (𝐶 + 𝐵)) |
5 | 1, 4 | eqtrd 2222 | 1 ⊢ (𝜑 → 𝐴 = (𝐶 + 𝐵)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 = wceq 1364 ∈ wcel 2160 (class class class)co 5891 ℂcc 7828 + caddc 7833 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1458 ax-gen 1460 ax-4 1521 ax-17 1537 ax-ext 2171 ax-addcom 7930 |
This theorem depends on definitions: df-bi 117 df-cleq 2182 |
This theorem is referenced by: mvrladdd 8343 hashfz 10820 bdtrilem 11266 clim2ser2 11365 fsumparts 11497 arisum 11525 divalglemnn 11942 phiprmpw 12241 mulgdir 13066 metrtri 14280 apdifflemr 15199 |
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