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Mirrors > Home > MPE Home > Th. List > Mathboxes > resubeulem2 | Structured version Visualization version GIF version |
Description: Lemma for resubeu 40281. A value which when added to 𝐴, results in 𝐵. (Contributed by Steven Nguyen, 7-Jan-2023.) |
Ref | Expression |
---|---|
resubeulem2 | ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐴 + ((0 −ℝ 𝐴) + ((0 −ℝ (0 + 0)) + 𝐵))) = 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | renegid 40277 | . . . 4 ⊢ (𝐴 ∈ ℝ → (𝐴 + (0 −ℝ 𝐴)) = 0) | |
2 | 1 | adantr 480 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐴 + (0 −ℝ 𝐴)) = 0) |
3 | 2 | oveq1d 7270 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → ((𝐴 + (0 −ℝ 𝐴)) + ((0 −ℝ (0 + 0)) + 𝐵)) = (0 + ((0 −ℝ (0 + 0)) + 𝐵))) |
4 | simpl 482 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → 𝐴 ∈ ℝ) | |
5 | 4 | recnd 10934 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → 𝐴 ∈ ℂ) |
6 | rernegcl 40275 | . . . . 5 ⊢ (𝐴 ∈ ℝ → (0 −ℝ 𝐴) ∈ ℝ) | |
7 | 6 | adantr 480 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (0 −ℝ 𝐴) ∈ ℝ) |
8 | 7 | recnd 10934 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (0 −ℝ 𝐴) ∈ ℂ) |
9 | elre0re 40212 | . . . . . . . 8 ⊢ (𝐵 ∈ ℝ → 0 ∈ ℝ) | |
10 | 9, 9 | readdcld 10935 | . . . . . . 7 ⊢ (𝐵 ∈ ℝ → (0 + 0) ∈ ℝ) |
11 | rernegcl 40275 | . . . . . . 7 ⊢ ((0 + 0) ∈ ℝ → (0 −ℝ (0 + 0)) ∈ ℝ) | |
12 | 10, 11 | syl 17 | . . . . . 6 ⊢ (𝐵 ∈ ℝ → (0 −ℝ (0 + 0)) ∈ ℝ) |
13 | id 22 | . . . . . 6 ⊢ (𝐵 ∈ ℝ → 𝐵 ∈ ℝ) | |
14 | 12, 13 | readdcld 10935 | . . . . 5 ⊢ (𝐵 ∈ ℝ → ((0 −ℝ (0 + 0)) + 𝐵) ∈ ℝ) |
15 | 14 | adantl 481 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → ((0 −ℝ (0 + 0)) + 𝐵) ∈ ℝ) |
16 | 15 | recnd 10934 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → ((0 −ℝ (0 + 0)) + 𝐵) ∈ ℂ) |
17 | 5, 8, 16 | addassd 10928 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → ((𝐴 + (0 −ℝ 𝐴)) + ((0 −ℝ (0 + 0)) + 𝐵)) = (𝐴 + ((0 −ℝ 𝐴) + ((0 −ℝ (0 + 0)) + 𝐵)))) |
18 | resubeulem1 40279 | . . . . 5 ⊢ (𝐵 ∈ ℝ → (0 + (0 −ℝ (0 + 0))) = (0 −ℝ 0)) | |
19 | 18 | oveq1d 7270 | . . . 4 ⊢ (𝐵 ∈ ℝ → ((0 + (0 −ℝ (0 + 0))) + 𝐵) = ((0 −ℝ 0) + 𝐵)) |
20 | 9 | recnd 10934 | . . . . 5 ⊢ (𝐵 ∈ ℝ → 0 ∈ ℂ) |
21 | 12 | recnd 10934 | . . . . 5 ⊢ (𝐵 ∈ ℝ → (0 −ℝ (0 + 0)) ∈ ℂ) |
22 | recn 10892 | . . . . 5 ⊢ (𝐵 ∈ ℝ → 𝐵 ∈ ℂ) | |
23 | 20, 21, 22 | addassd 10928 | . . . 4 ⊢ (𝐵 ∈ ℝ → ((0 + (0 −ℝ (0 + 0))) + 𝐵) = (0 + ((0 −ℝ (0 + 0)) + 𝐵))) |
24 | reneg0addid2 40278 | . . . 4 ⊢ (𝐵 ∈ ℝ → ((0 −ℝ 0) + 𝐵) = 𝐵) | |
25 | 19, 23, 24 | 3eqtr3d 2786 | . . 3 ⊢ (𝐵 ∈ ℝ → (0 + ((0 −ℝ (0 + 0)) + 𝐵)) = 𝐵) |
26 | 25 | adantl 481 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (0 + ((0 −ℝ (0 + 0)) + 𝐵)) = 𝐵) |
27 | 3, 17, 26 | 3eqtr3d 2786 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐴 + ((0 −ℝ 𝐴) + ((0 −ℝ (0 + 0)) + 𝐵))) = 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1539 ∈ wcel 2108 (class class class)co 7255 ℝcr 10801 0cc0 10802 + caddc 10805 −ℝ cresub 40269 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-resscn 10859 ax-addrcl 10863 ax-addass 10867 ax-rnegex 10873 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4837 df-br 5071 df-opab 5133 df-mpt 5154 df-id 5480 df-po 5494 df-so 5495 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-pnf 10942 df-mnf 10943 df-ltxr 10945 df-resub 40270 |
This theorem is referenced by: resubeu 40281 |
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