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| Mirrors > Home > MPE Home > Th. List > Mathboxes > resubaddd | Structured version Visualization version GIF version | ||
| Description: Relationship between subtraction and addition. Based on subaddd 11714. (Contributed by Steven Nguyen, 8-Jan-2023.) |
| Ref | Expression |
|---|---|
| resubaddd.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| resubaddd.2 | ⊢ (𝜑 → 𝐵 ∈ ℝ) |
| resubaddd.3 | ⊢ (𝜑 → 𝐶 ∈ ℝ) |
| Ref | Expression |
|---|---|
| resubaddd | ⊢ (𝜑 → ((𝐴 −ℝ 𝐵) = 𝐶 ↔ (𝐵 + 𝐶) = 𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | resubaddd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
| 2 | resubaddd.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
| 3 | resubaddd.3 | . 2 ⊢ (𝜑 → 𝐶 ∈ ℝ) | |
| 4 | resubadd 43623 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) → ((𝐴 −ℝ 𝐵) = 𝐶 ↔ (𝐵 + 𝐶) = 𝐴)) | |
| 5 | 1, 2, 3, 4 | syl3anc 1399 | 1 ⊢ (𝜑 → ((𝐴 −ℝ 𝐵) = 𝐶 ↔ (𝐵 + 𝐶) = 𝐴)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 = wceq 1570 ∈ wcel 2147 (class class class)co 7443 ℝcr 11226 + caddc 11230 −ℝ cresub 43609 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 ax-resscn 11284 ax-addrcl 11288 ax-addass 11292 ax-rnegex 11298 ax-pre-lttri 11301 ax-pre-lttrn 11302 ax-pre-ltadd 11303 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-opab 5171 df-mpt 5190 df-id 5550 df-po 5563 df-so 5564 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-riota 7400 df-ov 7446 df-oprab 7447 df-mpo 7448 df-er 8745 df-en 9002 df-dom 9003 df-sdom 9004 df-pnf 11372 df-mnf 11373 df-ltxr 11375 df-resub 43610 |
| This theorem is used by: repncan2 43626 resubcan2 43632 reppncan 43637 resubidaddlidlem 43638 readdrid 43654 resubid1 43655 |
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