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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 8207 | . 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 2202 (class class class)co 6028 ℂcc 8073 + caddc 8078 · cmul 8080 |
| 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 8179 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 |
| This theorem is referenced by: subdi 8607 mulreim 8827 apadd1 8831 conjmulap 8952 cju 9184 flhalf 10606 modqcyc 10665 addmodlteq 10704 binom2 10957 binom3 10963 sqoddm1div8 10999 bcpasc 11072 remim 11481 mulreap 11485 readd 11490 remullem 11492 imadd 11498 cjadd 11505 bdtrilem 11860 fsummulc2 12070 binomlem 12105 tanval3ap 12336 sinadd 12358 tanaddap 12361 bezoutlemnewy 12628 dvdsmulgcd 12657 lcmgcdlem 12710 pythagtriplem1 12899 pcaddlem 12973 mul4sqlem 13027 tangtx 15629 rpmulcxp 15700 rpcxpmul2 15704 binom4 15770 lgseisenlem2 15870 2lgsoddprmlem2 15905 2sqlem4 15917 2sqlem8 15922 |
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