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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 8275 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℂ) → (𝐴 · (𝐵 + 𝐶)) = ((𝐴 · 𝐵) + (𝐴 · 𝐶))) | |
| 5 | 1, 2, 3, 4 | syl3anc 1274 | 1 ⊢ (𝜑 → (𝐴 · (𝐵 + 𝐶)) = ((𝐴 · 𝐵) + (𝐴 · 𝐶))) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 ∈ wcel 2205 (class class class)co 6058 ℂcc 8141 + caddc 8146 · cmul 8148 |
| 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 8247 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 |
| This theorem is referenced by: subdi 8675 mulreim 8895 apadd1 8899 conjmulap 9020 cju 9252 flhalf 10686 modqcyc 10745 addmodlteq 10784 binom2 11037 binom3 11043 sqoddm1div8 11080 bcpasc 11153 remim 11570 mulreap 11574 readd 11579 remullem 11581 imadd 11587 cjadd 11594 bdtrilem 11949 fsummulc2 12159 binomlem 12194 tanval3ap 12425 sinadd 12447 tanaddap 12450 bezoutlemnewy 12717 dvdsmulgcd 12746 lcmgcdlem 12799 pythagtriplem1 12988 pcaddlem 13062 mul4sqlem 13116 tangtx 15815 rpmulcxp 15886 rpcxpmul2 15890 binom4 15956 lgseisenlem2 16056 2lgsoddprmlem2 16091 2sqlem4 16103 2sqlem8 16108 |
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