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| Mirrors > Home > MPE Home > Th. List > Mathboxes > sn-inelr | Structured version Visualization version GIF version | ||
| Description: inelr 12140 without ax-mulcom 11093. (Contributed by SN, 1-Jun-2024.) |
| Ref | Expression |
|---|---|
| sn-inelr | ⊢ ¬ i ∈ ℝ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | reneg1lt0 42970 | . . . 4 ⊢ (0 −ℝ 1) < 0 | |
| 2 | 1re 11135 | . . . . . 6 ⊢ 1 ∈ ℝ | |
| 3 | rernegcl 42848 | . . . . . 6 ⊢ (1 ∈ ℝ → (0 −ℝ 1) ∈ ℝ) | |
| 4 | 2, 3 | ax-mp 5 | . . . . 5 ⊢ (0 −ℝ 1) ∈ ℝ |
| 5 | 0re 11137 | . . . . 5 ⊢ 0 ∈ ℝ | |
| 6 | 4, 5 | ltnsymi 11256 | . . . 4 ⊢ ((0 −ℝ 1) < 0 → ¬ 0 < (0 −ℝ 1)) |
| 7 | 1, 6 | ax-mp 5 | . . 3 ⊢ ¬ 0 < (0 −ℝ 1) |
| 8 | reixi 42900 | . . . 4 ⊢ (i · i) = (0 −ℝ 1) | |
| 9 | 8 | breq2i 5080 | . . 3 ⊢ (0 < (i · i) ↔ 0 < (0 −ℝ 1)) |
| 10 | 7, 9 | mtbir 324 | . 2 ⊢ ¬ 0 < (i · i) |
| 11 | id 22 | . . 3 ⊢ (i ∈ ℝ → i ∈ ℝ) | |
| 12 | 0ne1 12243 | . . . . 5 ⊢ 0 ≠ 1 | |
| 13 | 12 | a1i 11 | . . . 4 ⊢ (i ∈ ℝ → 0 ≠ 1) |
| 14 | id 22 | . . . . . . . 8 ⊢ (i = 0 → i = 0) | |
| 15 | 14, 14 | oveq12d 7374 | . . . . . . 7 ⊢ (i = 0 → (i · i) = (0 · 0)) |
| 16 | 15 | oveq1d 7371 | . . . . . 6 ⊢ (i = 0 → ((i · i) + 1) = ((0 · 0) + 1)) |
| 17 | ax-i2m1 11097 | . . . . . 6 ⊢ ((i · i) + 1) = 0 | |
| 18 | remul02 42882 | . . . . . . . . 9 ⊢ (0 ∈ ℝ → (0 · 0) = 0) | |
| 19 | 5, 18 | ax-mp 5 | . . . . . . . 8 ⊢ (0 · 0) = 0 |
| 20 | 19 | oveq1i 7366 | . . . . . . 7 ⊢ ((0 · 0) + 1) = (0 + 1) |
| 21 | readdlid 42880 | . . . . . . . 8 ⊢ (1 ∈ ℝ → (0 + 1) = 1) | |
| 22 | 2, 21 | ax-mp 5 | . . . . . . 7 ⊢ (0 + 1) = 1 |
| 23 | 20, 22 | eqtri 2762 | . . . . . 6 ⊢ ((0 · 0) + 1) = 1 |
| 24 | 16, 17, 23 | 3eqtr3g 2797 | . . . . 5 ⊢ (i = 0 → 0 = 1) |
| 25 | 24 | adantl 482 | . . . 4 ⊢ ((i ∈ ℝ ∧ i = 0) → 0 = 1) |
| 26 | 13, 25 | mteqand 3025 | . . 3 ⊢ (i ∈ ℝ → i ≠ 0) |
| 27 | 11, 26 | sn-msqgt0d 42976 | . 2 ⊢ (i ∈ ℝ → 0 < (i · i)) |
| 28 | 10, 27 | mto 198 | 1 ⊢ ¬ i ∈ ℝ |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 = wceq 1547 ∈ wcel 2119 ≠ wne 2934 class class class wbr 5072 (class class class)co 7356 ℝcr 11028 0cc0 11029 1c1 11030 ici 11031 + caddc 11032 · cmul 11034 < clt 11170 −ℝ cresub 42842 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-sep 5218 ax-nul 5228 ax-pow 5294 ax-pr 5362 ax-un 7678 ax-resscn 11086 ax-1cn 11087 ax-icn 11088 ax-addcl 11089 ax-addrcl 11090 ax-mulcl 11091 ax-mulrcl 11092 ax-addass 11094 ax-mulass 11095 ax-distr 11096 ax-i2m1 11097 ax-1ne0 11098 ax-1rid 11099 ax-rnegex 11100 ax-rrecex 11101 ax-cnre 11102 ax-pre-lttri 11103 ax-pre-lttrn 11104 ax-pre-ltadd 11105 ax-pre-mulgt0 11106 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3or 1093 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-nel 3039 df-ral 3054 df-rex 3064 df-rmo 3344 df-reu 3345 df-rab 3392 df-v 3433 df-sbc 3724 df-csb 3832 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-pw 4531 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-br 5073 df-opab 5135 df-mpt 5154 df-id 5513 df-po 5526 df-so 5527 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-iota 6441 df-fun 6487 df-fn 6488 df-f 6489 df-f1 6490 df-fo 6491 df-f1o 6492 df-fv 6493 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-er 8633 df-en 8884 df-dom 8885 df-sdom 8886 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-2 12235 df-3 12236 df-resub 42843 df-rediv 42918 |
| This theorem is referenced by: sn-itrere 42978 sn-retire 42979 |
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