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| Mirrors > Home > MPE Home > Th. List > Mathboxes > sn-inelr | Structured version Visualization version GIF version | ||
| Description: inelr 12135 without ax-mulcom 11090. (Contributed by SN, 1-Jun-2024.) |
| Ref | Expression |
|---|---|
| sn-inelr | ⊢ ¬ i ∈ ℝ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | reneg1lt0 42745 | . . . 4 ⊢ (0 −ℝ 1) < 0 | |
| 2 | 1re 11132 | . . . . . 6 ⊢ 1 ∈ ℝ | |
| 3 | rernegcl 42636 | . . . . . 6 ⊢ (1 ∈ ℝ → (0 −ℝ 1) ∈ ℝ) | |
| 4 | 2, 3 | ax-mp 5 | . . . . 5 ⊢ (0 −ℝ 1) ∈ ℝ |
| 5 | 0re 11134 | . . . . 5 ⊢ 0 ∈ ℝ | |
| 6 | 4, 5 | ltnsymi 11252 | . . . 4 ⊢ ((0 −ℝ 1) < 0 → ¬ 0 < (0 −ℝ 1)) |
| 7 | 1, 6 | ax-mp 5 | . . 3 ⊢ ¬ 0 < (0 −ℝ 1) |
| 8 | reixi 42688 | . . . 4 ⊢ (i · i) = (0 −ℝ 1) | |
| 9 | 8 | breq2i 5106 | . . 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 12216 | . . . . 5 ⊢ 0 ≠ 1 | |
| 13 | 12 | a1i 11 | . . . 4 ⊢ (i ∈ ℝ → 0 ≠ 1) |
| 14 | id 22 | . . . . . . . 8 ⊢ (i = 0 → i = 0) | |
| 15 | 14, 14 | oveq12d 7376 | . . . . . . 7 ⊢ (i = 0 → (i · i) = (0 · 0)) |
| 16 | 15 | oveq1d 7373 | . . . . . 6 ⊢ (i = 0 → ((i · i) + 1) = ((0 · 0) + 1)) |
| 17 | ax-i2m1 11094 | . . . . . 6 ⊢ ((i · i) + 1) = 0 | |
| 18 | remul02 42670 | . . . . . . . . 9 ⊢ (0 ∈ ℝ → (0 · 0) = 0) | |
| 19 | 5, 18 | ax-mp 5 | . . . . . . . 8 ⊢ (0 · 0) = 0 |
| 20 | 19 | oveq1i 7368 | . . . . . . 7 ⊢ ((0 · 0) + 1) = (0 + 1) |
| 21 | readdlid 42668 | . . . . . . . 8 ⊢ (1 ∈ ℝ → (0 + 1) = 1) | |
| 22 | 2, 21 | ax-mp 5 | . . . . . . 7 ⊢ (0 + 1) = 1 |
| 23 | 20, 22 | eqtri 2759 | . . . . . 6 ⊢ ((0 · 0) + 1) = 1 |
| 24 | 16, 17, 23 | 3eqtr3g 2794 | . . . . 5 ⊢ (i = 0 → 0 = 1) |
| 25 | 24 | adantl 481 | . . . 4 ⊢ ((i ∈ ℝ ∧ i = 0) → 0 = 1) |
| 26 | 13, 25 | mteqand 3023 | . . 3 ⊢ (i ∈ ℝ → i ≠ 0) |
| 27 | 11, 26 | sn-msqgt0d 42751 | . 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 2932 class class class wbr 5098 (class class class)co 7358 ℝcr 11025 0cc0 11026 1c1 11027 ici 11028 + caddc 11029 · cmul 11031 < clt 11166 −ℝ cresub 42630 |
| 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 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-addrcl 11087 ax-mulcl 11088 ax-mulrcl 11089 ax-addass 11091 ax-mulass 11092 ax-distr 11093 ax-i2m1 11094 ax-1ne0 11095 ax-1rid 11096 ax-rnegex 11097 ax-rrecex 11098 ax-cnre 11099 ax-pre-lttri 11100 ax-pre-lttrn 11101 ax-pre-ltadd 11102 ax-pre-mulgt0 11103 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-po 5532 df-so 5533 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-er 8635 df-en 8884 df-dom 8885 df-sdom 8886 df-pnf 11168 df-mnf 11169 df-xr 11170 df-ltxr 11171 df-le 11172 df-2 12208 df-3 12209 df-resub 42631 df-rediv 42706 |
| This theorem is referenced by: sn-itrere 42753 sn-retire 42754 |
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