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Mathbox for Stanislas Polu |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > int-rightdistd | Structured version Visualization version GIF version |
Description: AdditionMultiplicationRightDistribution generator rule. (Contributed by Stanislas Polu, 7-Apr-2020.) |
Ref | Expression |
---|---|
int-rightdistd.1 | ⊢ (𝜑 → 𝐵 ∈ ℝ) |
int-rightdistd.2 | ⊢ (𝜑 → 𝐶 ∈ ℝ) |
int-rightdistd.3 | ⊢ (𝜑 → 𝐷 ∈ ℝ) |
int-rightdistd.4 | ⊢ (𝜑 → 𝐴 = 𝐵) |
Ref | Expression |
---|---|
int-rightdistd | ⊢ (𝜑 → (𝐵 · (𝐶 + 𝐷)) = ((𝐴 · 𝐶) + (𝐴 · 𝐷))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | int-rightdistd.1 | . . . 4 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
2 | 1 | recnd 11239 | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℂ) |
3 | int-rightdistd.2 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ ℝ) | |
4 | 3 | recnd 11239 | . . . 4 ⊢ (𝜑 → 𝐶 ∈ ℂ) |
5 | int-rightdistd.3 | . . . . 5 ⊢ (𝜑 → 𝐷 ∈ ℝ) | |
6 | 5 | recnd 11239 | . . . 4 ⊢ (𝜑 → 𝐷 ∈ ℂ) |
7 | 4, 6 | addcld 11230 | . . 3 ⊢ (𝜑 → (𝐶 + 𝐷) ∈ ℂ) |
8 | 2, 7 | mulcomd 11232 | . 2 ⊢ (𝜑 → (𝐵 · (𝐶 + 𝐷)) = ((𝐶 + 𝐷) · 𝐵)) |
9 | 4, 2 | mulcomd 11232 | . . . . 5 ⊢ (𝜑 → (𝐶 · 𝐵) = (𝐵 · 𝐶)) |
10 | int-rightdistd.4 | . . . . . . 7 ⊢ (𝜑 → 𝐴 = 𝐵) | |
11 | 10 | eqcomd 2730 | . . . . . 6 ⊢ (𝜑 → 𝐵 = 𝐴) |
12 | 11 | oveq1d 7416 | . . . . 5 ⊢ (𝜑 → (𝐵 · 𝐶) = (𝐴 · 𝐶)) |
13 | 9, 12 | eqtrd 2764 | . . . 4 ⊢ (𝜑 → (𝐶 · 𝐵) = (𝐴 · 𝐶)) |
14 | 6, 2 | mulcomd 11232 | . . . . 5 ⊢ (𝜑 → (𝐷 · 𝐵) = (𝐵 · 𝐷)) |
15 | 11 | oveq1d 7416 | . . . . 5 ⊢ (𝜑 → (𝐵 · 𝐷) = (𝐴 · 𝐷)) |
16 | 14, 15 | eqtrd 2764 | . . . 4 ⊢ (𝜑 → (𝐷 · 𝐵) = (𝐴 · 𝐷)) |
17 | 13, 16 | oveq12d 7419 | . . 3 ⊢ (𝜑 → ((𝐶 · 𝐵) + (𝐷 · 𝐵)) = ((𝐴 · 𝐶) + (𝐴 · 𝐷))) |
18 | 4, 2, 6, 17 | joinlmuladdmuld 11238 | . 2 ⊢ (𝜑 → ((𝐶 + 𝐷) · 𝐵) = ((𝐴 · 𝐶) + (𝐴 · 𝐷))) |
19 | 8, 18 | eqtrd 2764 | 1 ⊢ (𝜑 → (𝐵 · (𝐶 + 𝐷)) = ((𝐴 · 𝐶) + (𝐴 · 𝐷))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1533 ∈ wcel 2098 (class class class)co 7401 ℝcr 11105 + caddc 11109 · cmul 11111 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-ext 2695 ax-resscn 11163 ax-addcl 11166 ax-mulcom 11170 ax-distr 11173 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-sb 2060 df-clab 2702 df-cleq 2716 df-clel 2802 df-rab 3425 df-v 3468 df-dif 3943 df-un 3945 df-in 3947 df-ss 3957 df-nul 4315 df-if 4521 df-sn 4621 df-pr 4623 df-op 4627 df-uni 4900 df-br 5139 df-iota 6485 df-fv 6541 df-ov 7404 |
This theorem is referenced by: (None) |
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