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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 11305 | . . 3 ⊢ (𝜑 → 1 ∈ ℂ) | |
| 3 | adddirp1d.b | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
| 4 | 1, 2, 3 | adddird 11337 | . 2 ⊢ (𝜑 → ((𝐴 + 1) · 𝐵) = ((𝐴 · 𝐵) + (1 · 𝐵))) |
| 5 | 3 | mullidd 11330 | . . 3 ⊢ (𝜑 → (1 · 𝐵) = 𝐵) |
| 6 | 5 | oveq2d 7436 | . 2 ⊢ (𝜑 → ((𝐴 · 𝐵) + (1 · 𝐵)) = ((𝐴 · 𝐵) + 𝐵)) |
| 7 | 4, 6 | eqtrd 2795 | 1 ⊢ (𝜑 → ((𝐴 + 1) · 𝐵) = ((𝐴 · 𝐵) + 𝐵)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2144 (class class class)co 7420 ℂcc 11201 1c1 11204 + caddc 11206 · cmul 11208 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 ax-resscn 11260 ax-1cn 11261 ax-icn 11262 ax-addcl 11263 ax-mulcl 11265 ax-mulcom 11267 ax-mulass 11269 ax-distr 11270 ax-1rid 11273 ax-cnre 11276 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-rex 3087 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-un 4151 df-nul 4279 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-iota 6494 df-fv 6546 df-ov 7423 |
| This theorem is used by: modvalp1 14033 pcexp 17042 mulgnnass 19324 cnfldmulg 21715 dgrcolem1 26597 abelthlem2 26764 2lgsoddprmlem3d 27745 chpdifbndlem1 27885 breprexplemc 35307 deg1pow 43284 fltnltalem 43766 lt3addmuld 46410 lt4addmuld 46415 itgsinexp 47058 fourierdlem19 47229 fourierdlem35 47245 fourierdlem51 47260 minusmodnep2tmod 48522 gpg3kgrtriexlem2 49275 |
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