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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 9947 | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℂ) |
3 | int-rightdistd.2 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ ℝ) | |
4 | 3 | recnd 9947 | . . . 4 ⊢ (𝜑 → 𝐶 ∈ ℂ) |
5 | int-rightdistd.3 | . . . . 5 ⊢ (𝜑 → 𝐷 ∈ ℝ) | |
6 | 5 | recnd 9947 | . . . 4 ⊢ (𝜑 → 𝐷 ∈ ℂ) |
7 | 4, 6 | addcld 9938 | . . 3 ⊢ (𝜑 → (𝐶 + 𝐷) ∈ ℂ) |
8 | 2, 7 | mulcomd 9940 | . 2 ⊢ (𝜑 → (𝐵 · (𝐶 + 𝐷)) = ((𝐶 + 𝐷) · 𝐵)) |
9 | 4, 6, 2 | adddird 9944 | . . 3 ⊢ (𝜑 → ((𝐶 + 𝐷) · 𝐵) = ((𝐶 · 𝐵) + (𝐷 · 𝐵))) |
10 | 4, 2 | mulcomd 9940 | . . . . 5 ⊢ (𝜑 → (𝐶 · 𝐵) = (𝐵 · 𝐶)) |
11 | int-rightdistd.4 | . . . . . . 7 ⊢ (𝜑 → 𝐴 = 𝐵) | |
12 | eqcom 2617 | . . . . . . . 8 ⊢ (𝐴 = 𝐵 ↔ 𝐵 = 𝐴) | |
13 | 12 | imbi2i 325 | . . . . . . 7 ⊢ ((𝜑 → 𝐴 = 𝐵) ↔ (𝜑 → 𝐵 = 𝐴)) |
14 | 11, 13 | mpbi 219 | . . . . . 6 ⊢ (𝜑 → 𝐵 = 𝐴) |
15 | 14 | oveq1d 6564 | . . . . 5 ⊢ (𝜑 → (𝐵 · 𝐶) = (𝐴 · 𝐶)) |
16 | 10, 15 | eqtrd 2644 | . . . 4 ⊢ (𝜑 → (𝐶 · 𝐵) = (𝐴 · 𝐶)) |
17 | 6, 2 | mulcomd 9940 | . . . . 5 ⊢ (𝜑 → (𝐷 · 𝐵) = (𝐵 · 𝐷)) |
18 | 14 | oveq1d 6564 | . . . . 5 ⊢ (𝜑 → (𝐵 · 𝐷) = (𝐴 · 𝐷)) |
19 | 17, 18 | eqtrd 2644 | . . . 4 ⊢ (𝜑 → (𝐷 · 𝐵) = (𝐴 · 𝐷)) |
20 | 16, 19 | oveq12d 6567 | . . 3 ⊢ (𝜑 → ((𝐶 · 𝐵) + (𝐷 · 𝐵)) = ((𝐴 · 𝐶) + (𝐴 · 𝐷))) |
21 | 9, 20 | eqtrd 2644 | . 2 ⊢ (𝜑 → ((𝐶 + 𝐷) · 𝐵) = ((𝐴 · 𝐶) + (𝐴 · 𝐷))) |
22 | 8, 21 | eqtrd 2644 | 1 ⊢ (𝜑 → (𝐵 · (𝐶 + 𝐷)) = ((𝐴 · 𝐶) + (𝐴 · 𝐷))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1475 ∈ wcel 1977 (class class class)co 6549 ℝcr 9814 + caddc 9818 · cmul 9820 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-resscn 9872 ax-addcl 9875 ax-mulcom 9879 ax-distr 9882 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-rex 2902 df-rab 2905 df-v 3175 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-iota 5768 df-fv 5812 df-ov 6552 |
This theorem is referenced by: (None) |
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