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| Mirrors > Home > MPE Home > Th. List > Mathboxes > repncan3 | Structured version Visualization version GIF version | ||
| Description: Addition and subtraction of equals. Based on pncan3 11471. (Contributed by Steven Nguyen, 8-Jan-2023.) |
| Ref | Expression |
|---|---|
| repncan3 | ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐴 + (𝐵 −ℝ 𝐴)) = 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rersubcl 43167 | . . 3 ⊢ ((𝐵 ∈ ℝ ∧ 𝐴 ∈ ℝ) → (𝐵 −ℝ 𝐴) ∈ ℝ) | |
| 2 | eqid 2762 | . . . 4 ⊢ (𝐵 −ℝ 𝐴) = (𝐵 −ℝ 𝐴) | |
| 3 | resubadd 43168 | . . . 4 ⊢ ((𝐵 ∈ ℝ ∧ 𝐴 ∈ ℝ ∧ (𝐵 −ℝ 𝐴) ∈ ℝ) → ((𝐵 −ℝ 𝐴) = (𝐵 −ℝ 𝐴) ↔ (𝐴 + (𝐵 −ℝ 𝐴)) = 𝐵)) | |
| 4 | 2, 3 | mpbii 236 | . . 3 ⊢ ((𝐵 ∈ ℝ ∧ 𝐴 ∈ ℝ ∧ (𝐵 −ℝ 𝐴) ∈ ℝ) → (𝐴 + (𝐵 −ℝ 𝐴)) = 𝐵) |
| 5 | 1, 4 | mpd3an3 1490 | . 2 ⊢ ((𝐵 ∈ ℝ ∧ 𝐴 ∈ ℝ) → (𝐴 + (𝐵 −ℝ 𝐴)) = 𝐵) |
| 6 | 5 | ancoms 463 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐴 + (𝐵 −ℝ 𝐴)) = 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 400 ∧ w3a 1102 = wceq 1569 ∈ wcel 2142 (class class class)co 7412 ℝcr 11105 + caddc 11109 −ℝ cresub 43154 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5256 ax-nul 5268 ax-pow 5335 ax-pr 5403 ax-un 7734 ax-resscn 11163 ax-addrcl 11167 ax-addass 11171 ax-rnegex 11177 ax-pre-lttri 11180 ax-pre-lttrn 11181 ax-pre-ltadd 11182 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1103 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3368 df-reu 3369 df-rab 3416 df-v 3456 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-br 5109 df-opab 5173 df-mpt 5192 df-id 5555 df-po 5568 df-so 5569 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-er 8692 df-en 8942 df-dom 8943 df-sdom 8944 df-pnf 11251 df-mnf 11252 df-ltxr 11254 df-resub 43155 |
| This theorem is used by: readdsub 43173 reltsub1 43175 resubcan2 43177 resubsub4 43178 rennncan2 43179 renpncan3 43180 resubdi 43185 re1m1e0m0 43186 renegneg 43201 |
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