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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 11285 | . . 3 ⊢ (𝜑 → 1 ∈ ℂ) | |
3 | adddirp1d.b | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
4 | 1, 2, 3 | adddird 11315 | . 2 ⊢ (𝜑 → ((𝐴 + 1) · 𝐵) = ((𝐴 · 𝐵) + (1 · 𝐵))) |
5 | 3 | mullidd 11308 | . . 3 ⊢ (𝜑 → (1 · 𝐵) = 𝐵) |
6 | 5 | oveq2d 7464 | . 2 ⊢ (𝜑 → ((𝐴 · 𝐵) + (1 · 𝐵)) = ((𝐴 · 𝐵) + 𝐵)) |
7 | 4, 6 | eqtrd 2780 | 1 ⊢ (𝜑 → ((𝐴 + 1) · 𝐵) = ((𝐴 · 𝐵) + 𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1537 ∈ wcel 2108 (class class class)co 7448 ℂcc 11182 1c1 11185 + caddc 11187 · cmul 11189 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-ext 2711 ax-resscn 11241 ax-1cn 11242 ax-icn 11243 ax-addcl 11244 ax-mulcl 11246 ax-mulcom 11248 ax-mulass 11250 ax-distr 11251 ax-1rid 11254 ax-cnre 11257 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-sb 2065 df-clab 2718 df-cleq 2732 df-clel 2819 df-rex 3077 df-rab 3444 df-v 3490 df-dif 3979 df-un 3981 df-ss 3993 df-nul 4353 df-if 4549 df-sn 4649 df-pr 4651 df-op 4655 df-uni 4932 df-br 5167 df-iota 6525 df-fv 6581 df-ov 7451 |
This theorem is referenced by: modvalp1 13941 pcexp 16906 mulgnnass 19149 cnfldmulg 21439 dgrcolem1 26333 abelthlem2 26494 2lgsoddprmlem3d 27475 chpdifbndlem1 27615 breprexplemc 34609 deg1pow 42098 fltnltalem 42617 lt3addmuld 45216 lt4addmuld 45221 itgsinexp 45876 fourierdlem19 46047 fourierdlem35 46063 fourierdlem51 46078 |
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