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| Mirrors > Home > MPE Home > Th. List > Mathboxes > sn-inelr | Structured version Visualization version GIF version | ||
| Description: inelr 12133 without ax-mulcom 11088. (Contributed by SN, 1-Jun-2024.) |
| Ref | Expression |
|---|---|
| sn-inelr | ⊢ ¬ i ∈ ℝ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | reneg1lt0 42677 | . . . 4 ⊢ (0 −ℝ 1) < 0 | |
| 2 | 1re 11130 | . . . . . 6 ⊢ 1 ∈ ℝ | |
| 3 | rernegcl 42568 | . . . . . 6 ⊢ (1 ∈ ℝ → (0 −ℝ 1) ∈ ℝ) | |
| 4 | 2, 3 | ax-mp 5 | . . . . 5 ⊢ (0 −ℝ 1) ∈ ℝ |
| 5 | 0re 11132 | . . . . 5 ⊢ 0 ∈ ℝ | |
| 6 | 4, 5 | ltnsymi 11250 | . . . 4 ⊢ ((0 −ℝ 1) < 0 → ¬ 0 < (0 −ℝ 1)) |
| 7 | 1, 6 | ax-mp 5 | . . 3 ⊢ ¬ 0 < (0 −ℝ 1) |
| 8 | reixi 42620 | . . . 4 ⊢ (i · i) = (0 −ℝ 1) | |
| 9 | 8 | breq2i 5104 | . . 3 ⊢ (0 < (i · i) ↔ 0 < (0 −ℝ 1)) |
| 10 | 7, 9 | mtbir 323 | . 2 ⊢ ¬ 0 < (i · i) |
| 11 | id 22 | . . 3 ⊢ (i ∈ ℝ → i ∈ ℝ) | |
| 12 | 0ne1 12214 | . . . . 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 11092 | . . . . . 6 ⊢ ((i · i) + 1) = 0 | |
| 18 | remul02 42602 | . . . . . . . . 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 42600 | . . . . . . . 8 ⊢ (1 ∈ ℝ → (0 + 1) = 1) | |
| 22 | 2, 21 | ax-mp 5 | . . . . . . 7 ⊢ (0 + 1) = 1 |
| 23 | 20, 22 | eqtri 2757 | . . . . . 6 ⊢ ((0 · 0) + 1) = 1 |
| 24 | 16, 17, 23 | 3eqtr3g 2792 | . . . . 5 ⊢ (i = 0 → 0 = 1) |
| 25 | 24 | adantl 481 | . . . 4 ⊢ ((i ∈ ℝ ∧ i = 0) → 0 = 1) |
| 26 | 13, 25 | mteqand 3021 | . . 3 ⊢ (i ∈ ℝ → i ≠ 0) |
| 27 | 11, 26 | sn-msqgt0d 42683 | . 2 ⊢ (i ∈ ℝ → 0 < (i · i)) |
| 28 | 10, 27 | mto 197 | 1 ⊢ ¬ i ∈ ℝ |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 = wceq 1541 ∈ wcel 2113 ≠ wne 2930 class class class wbr 5096 (class class class)co 7356 ℝcr 11023 0cc0 11024 1c1 11025 ici 11026 + caddc 11027 · cmul 11029 < clt 11164 −ℝ cresub 42562 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 ax-resscn 11081 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-addrcl 11085 ax-mulcl 11086 ax-mulrcl 11087 ax-addass 11089 ax-mulass 11090 ax-distr 11091 ax-i2m1 11092 ax-1ne0 11093 ax-1rid 11094 ax-rnegex 11095 ax-rrecex 11096 ax-cnre 11097 ax-pre-lttri 11098 ax-pre-lttrn 11099 ax-pre-ltadd 11100 ax-pre-mulgt0 11101 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3059 df-rmo 3348 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-br 5097 df-opab 5159 df-mpt 5178 df-id 5517 df-po 5530 df-so 5531 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-er 8633 df-en 8882 df-dom 8883 df-sdom 8884 df-pnf 11166 df-mnf 11167 df-xr 11168 df-ltxr 11169 df-le 11170 df-2 12206 df-3 12207 df-resub 42563 df-rediv 42638 |
| This theorem is referenced by: sn-itrere 42685 sn-retire 42686 |
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