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| Mirrors > Home > MPE Home > Th. List > adddirp1d | Structured version Visualization version GIF version | ||
| Description: Distributive law, plus 1 version. (Contributed by Glauco Siliprandi, 11-Dec-2019.) |
| Ref | Expression |
|---|---|
| adddirp1d.a | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| adddirp1d.b | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| Ref | Expression |
|---|---|
| adddirp1d | ⊢ (𝜑 → ((𝐴 + 1) · 𝐵) = ((𝐴 · 𝐵) + 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | adddirp1d.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | 1cnd 11332 | . . 3 ⊢ (𝜑 → 1 ∈ ℂ) | |
| 3 | adddirp1d.b | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
| 4 | 1, 2, 3 | adddird 11364 | . 2 ⊢ (𝜑 → ((𝐴 + 1) · 𝐵) = ((𝐴 · 𝐵) + (1 · 𝐵))) |
| 5 | 3 | mullidd 11357 | . . 3 ⊢ (𝜑 → (1 · 𝐵) = 𝐵) |
| 6 | 5 | oveq2d 7462 | . 2 ⊢ (𝜑 → ((𝐴 · 𝐵) + (1 · 𝐵)) = ((𝐴 · 𝐵) + 𝐵)) |
| 7 | 4, 6 | eqtrd 2798 | 1 ⊢ (𝜑 → ((𝐴 + 1) · 𝐵) = ((𝐴 · 𝐵) + 𝐵)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2147 (class class class)co 7446 ℂcc 11228 1c1 11231 + caddc 11233 · cmul 11235 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 ax-resscn 11287 ax-1cn 11288 ax-icn 11289 ax-addcl 11290 ax-mulcl 11292 ax-mulcom 11294 ax-mulass 11296 ax-distr 11297 ax-1rid 11300 ax-cnre 11303 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-iota 6515 df-fv 6569 df-ov 7449 |
| This theorem is used by: modvalp1 14060 pcexp 17069 mulgnnass 19351 cnfldmulg 21743 dgrcolem1 26625 abelthlem2 26792 2lgsoddprmlem3d 27773 chpdifbndlem1 27913 breprexplemc 35344 deg1pow 43394 fltnltalem 43877 lt3addmuld 46532 lt4addmuld 46537 itgsinexp 47180 fourierdlem19 47351 fourierdlem35 47367 fourierdlem51 47382 minusmodnep2tmod 48644 gpg3kgrtriexlem2 49397 |
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