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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 8164 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℂ) → (𝐴 · (𝐵 + 𝐶)) = ((𝐴 · 𝐵) + (𝐴 · 𝐶))) | |
| 5 | 1, 2, 3, 4 | syl3anc 1273 | 1 ⊢ (𝜑 → (𝐴 · (𝐵 + 𝐶)) = ((𝐴 · 𝐵) + (𝐴 · 𝐶))) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1397 ∈ wcel 2202 (class class class)co 6018 ℂcc 8030 + caddc 8035 · cmul 8037 |
| 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 8136 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 |
| This theorem is referenced by: subdi 8564 mulreim 8784 apadd1 8788 conjmulap 8909 cju 9141 flhalf 10563 modqcyc 10622 addmodlteq 10661 binom2 10914 binom3 10920 sqoddm1div8 10956 bcpasc 11029 remim 11425 mulreap 11429 readd 11434 remullem 11436 imadd 11442 cjadd 11449 bdtrilem 11804 fsummulc2 12014 binomlem 12049 tanval3ap 12280 sinadd 12302 tanaddap 12305 bezoutlemnewy 12572 dvdsmulgcd 12601 lcmgcdlem 12654 pythagtriplem1 12843 pcaddlem 12917 mul4sqlem 12971 tangtx 15568 rpmulcxp 15639 rpcxpmul2 15643 binom4 15709 lgseisenlem2 15806 2lgsoddprmlem2 15841 2sqlem4 15853 2sqlem8 15858 |
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