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| Mirrors > Home > ILE Home > Th. List > adddird | GIF version | ||
| Description: Distributive law (right-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 |
|---|---|
| adddird | ⊢ (𝜑 → ((𝐴 + 𝐵) · 𝐶) = ((𝐴 · 𝐶) + (𝐵 · 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 | adddir 8265 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℂ) → ((𝐴 + 𝐵) · 𝐶) = ((𝐴 · 𝐶) + (𝐵 · 𝐶))) | |
| 5 | 1, 2, 3, 4 | syl3anc 1274 | 1 ⊢ (𝜑 → ((𝐴 + 𝐵) · 𝐶) = ((𝐴 · 𝐶) + (𝐵 · 𝐶))) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 ∈ wcel 2203 (class class class)co 6050 ℂcc 8125 + caddc 8130 · cmul 8132 |
| 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-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2214 ax-addcl 8223 ax-mulcom 8228 ax-distr 8231 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-rex 2526 df-v 2815 df-un 3215 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-br 4110 df-iota 5312 df-fv 5360 df-ov 6053 |
| This theorem is referenced by: adddirp1d 8300 joinlmuladdmuld 8301 1p1times 8407 recextlem1 8925 divdirap 8971 lincmble 10337 subsq 11008 subsq2 11009 binom2 11013 binom3 11019 remullem 11556 resqrexlemover 11695 resqrexlemcalc1 11699 bdtrilem 11924 binomlem 12169 mul4sqlem 13091 dvexp 15576 plyaddlem1 15612 rpcxpadd 15770 binom4 15844 lgsquad2lem1 15954 2sqlem4 15991 |
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