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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 8258 | . 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 2203 (class class class)co 6049 ℂcc 8124 + caddc 8129 · cmul 8131 |
| 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 8230 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 |
| This theorem is referenced by: subdi 8657 mulreim 8877 apadd1 8881 conjmulap 9002 cju 9234 flhalf 10661 modqcyc 10720 addmodlteq 10759 binom2 11012 binom3 11018 sqoddm1div8 11054 bcpasc 11127 remim 11541 mulreap 11545 readd 11550 remullem 11552 imadd 11558 cjadd 11565 bdtrilem 11920 fsummulc2 12130 binomlem 12165 tanval3ap 12396 sinadd 12418 tanaddap 12421 bezoutlemnewy 12688 dvdsmulgcd 12717 lcmgcdlem 12770 pythagtriplem1 12959 pcaddlem 13033 mul4sqlem 13087 tangtx 15695 rpmulcxp 15766 rpcxpmul2 15770 binom4 15836 lgseisenlem2 15936 2lgsoddprmlem2 15971 2sqlem4 15983 2sqlem8 15988 |
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