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Mirrors > Home > MPE Home > Th. List > Mathboxes > reladdrsub | Structured version Visualization version GIF version |
Description: Move LHS of a sum into RHS of a (real) difference. Version of mvlladdd 11524 with real subtraction. (Contributed by Steven Nguyen, 8-Jan-2023.) |
Ref | Expression |
---|---|
reladdrsub.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
reladdrsub.2 | ⊢ (𝜑 → 𝐵 ∈ ℝ) |
reladdrsub.3 | ⊢ (𝜑 → (𝐴 + 𝐵) = 𝐶) |
Ref | Expression |
---|---|
reladdrsub | ⊢ (𝜑 → 𝐵 = (𝐶 −ℝ 𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reladdrsub.3 | . . . 4 ⊢ (𝜑 → (𝐴 + 𝐵) = 𝐶) | |
2 | reladdrsub.1 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
3 | reladdrsub.2 | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
4 | 2, 3 | readdcld 11142 | . . . 4 ⊢ (𝜑 → (𝐴 + 𝐵) ∈ ℝ) |
5 | 1, 4 | eqeltrrd 2839 | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℝ) |
6 | resubadd 40751 | . . . 4 ⊢ ((𝐶 ∈ ℝ ∧ 𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → ((𝐶 −ℝ 𝐴) = 𝐵 ↔ (𝐴 + 𝐵) = 𝐶)) | |
7 | 1, 6 | syl5ibrcom 246 | . . 3 ⊢ (𝜑 → ((𝐶 ∈ ℝ ∧ 𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐶 −ℝ 𝐴) = 𝐵)) |
8 | 5, 2, 3, 7 | mp3and 1464 | . 2 ⊢ (𝜑 → (𝐶 −ℝ 𝐴) = 𝐵) |
9 | 8 | eqcomd 2742 | 1 ⊢ (𝜑 → 𝐵 = (𝐶 −ℝ 𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1087 = wceq 1541 ∈ wcel 2106 (class class class)co 7351 ℝcr 11008 + caddc 11012 −ℝ cresub 40737 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2707 ax-sep 5254 ax-nul 5261 ax-pow 5318 ax-pr 5382 ax-un 7664 ax-resscn 11066 ax-addrcl 11070 ax-addass 11074 ax-rnegex 11080 ax-pre-lttri 11083 ax-pre-lttrn 11084 ax-pre-ltadd 11085 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3351 df-reu 3352 df-rab 3406 df-v 3445 df-sbc 3738 df-csb 3854 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4281 df-if 4485 df-pw 4560 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4864 df-br 5104 df-opab 5166 df-mpt 5187 df-id 5529 df-po 5543 df-so 5544 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-iota 6445 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7307 df-ov 7354 df-oprab 7355 df-mpo 7356 df-er 8606 df-en 8842 df-dom 8843 df-sdom 8844 df-pnf 11149 df-mnf 11150 df-ltxr 11152 df-resub 40738 |
This theorem is referenced by: resubsub4 40761 resubidaddid1lem 40766 resubdi 40768 re1m1e0m0 40769 re0m0e0 40774 |
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