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| Mirrors > Home > ILE Home > Th. List > adddid | GIF version | ||
| Description: Distributive law (left-distributivity). (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| addcld.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| addcld.2 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| addassd.3 | ⊢ (𝜑 → 𝐶 ∈ ℂ) |
| Ref | Expression |
|---|---|
| adddid | ⊢ (𝜑 → (𝐴 · (𝐵 + 𝐶)) = ((𝐴 · 𝐵) + (𝐴 · 𝐶))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | addcld.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | addcld.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
| 3 | addassd.3 | . 2 ⊢ (𝜑 → 𝐶 ∈ ℂ) | |
| 4 | adddi 8147 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℂ) → (𝐴 · (𝐵 + 𝐶)) = ((𝐴 · 𝐵) + (𝐴 · 𝐶))) | |
| 5 | 1, 2, 3, 4 | syl3anc 1271 | 1 ⊢ (𝜑 → (𝐴 · (𝐵 + 𝐶)) = ((𝐴 · 𝐵) + (𝐴 · 𝐶))) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1395 ∈ wcel 2200 (class class class)co 6010 ℂcc 8013 + caddc 8018 · cmul 8020 |
| 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-distr 8119 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 |
| This theorem is referenced by: subdi 8547 mulreim 8767 apadd1 8771 conjmulap 8892 cju 9124 flhalf 10539 modqcyc 10598 addmodlteq 10637 binom2 10890 binom3 10896 sqoddm1div8 10932 bcpasc 11005 remim 11392 mulreap 11396 readd 11401 remullem 11403 imadd 11409 cjadd 11416 bdtrilem 11771 fsummulc2 11980 binomlem 12015 tanval3ap 12246 sinadd 12268 tanaddap 12271 bezoutlemnewy 12538 dvdsmulgcd 12567 lcmgcdlem 12620 pythagtriplem1 12809 pcaddlem 12883 mul4sqlem 12937 tangtx 15533 rpmulcxp 15604 rpcxpmul2 15608 binom4 15674 lgseisenlem2 15771 2lgsoddprmlem2 15806 2sqlem4 15818 2sqlem8 15823 |
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