| Mathbox for Steven Nguyen |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > sn-inelr | Structured version Visualization version GIF version | ||
| Description: inelr 12208 without ax-mulcom 11164. (Contributed by SN, 1-Jun-2024.) |
| Ref | Expression |
|---|---|
| sn-inelr | ⊢ ¬ i ∈ ℝ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | reneg1lt0 43144 | . . . 4 ⊢ (0 −ℝ 1) < 0 | |
| 2 | 1re 11208 | . . . . . 6 ⊢ 1 ∈ ℝ | |
| 3 | rernegcl 43022 | . . . . . 6 ⊢ (1 ∈ ℝ → (0 −ℝ 1) ∈ ℝ) | |
| 4 | 2, 3 | ax-mp 5 | . . . . 5 ⊢ (0 −ℝ 1) ∈ ℝ |
| 5 | 0re 11210 | . . . . 5 ⊢ 0 ∈ ℝ | |
| 6 | 4, 5 | ltnsymi 11329 | . . . 4 ⊢ ((0 −ℝ 1) < 0 → ¬ 0 < (0 −ℝ 1)) |
| 7 | 1, 6 | ax-mp 5 | . . 3 ⊢ ¬ 0 < (0 −ℝ 1) |
| 8 | reixi 43074 | . . . 4 ⊢ (i · i) = (0 −ℝ 1) | |
| 9 | 8 | breq2i 5121 | . . 3 ⊢ (0 < (i · i) ↔ 0 < (0 −ℝ 1)) |
| 10 | 7, 9 | mtbir 326 | . 2 ⊢ ¬ 0 < (i · i) |
| 11 | id 23 | . . 3 ⊢ (i ∈ ℝ → i ∈ ℝ) | |
| 12 | 0ne1 12312 | . . . . 5 ⊢ 0 ≠ 1 | |
| 13 | 12 | a1i 11 | . . . 4 ⊢ (i ∈ ℝ → 0 ≠ 1) |
| 14 | id 23 | . . . . . . . 8 ⊢ (i = 0 → i = 0) | |
| 15 | 14, 14 | oveq12d 7429 | . . . . . . 7 ⊢ (i = 0 → (i · i) = (0 · 0)) |
| 16 | 15 | oveq1d 7426 | . . . . . 6 ⊢ (i = 0 → ((i · i) + 1) = ((0 · 0) + 1)) |
| 17 | ax-i2m1 11168 | . . . . . 6 ⊢ ((i · i) + 1) = 0 | |
| 18 | remul02 43056 | . . . . . . . . 9 ⊢ (0 ∈ ℝ → (0 · 0) = 0) | |
| 19 | 5, 18 | ax-mp 5 | . . . . . . . 8 ⊢ (0 · 0) = 0 |
| 20 | 19 | oveq1i 7421 | . . . . . . 7 ⊢ ((0 · 0) + 1) = (0 + 1) |
| 21 | readdlid 43054 | . . . . . . . 8 ⊢ (1 ∈ ℝ → (0 + 1) = 1) | |
| 22 | 2, 21 | ax-mp 5 | . . . . . . 7 ⊢ (0 + 1) = 1 |
| 23 | 20, 22 | eqtri 2792 | . . . . . 6 ⊢ ((0 · 0) + 1) = 1 |
| 24 | 16, 17, 23 | 3eqtr3g 2827 | . . . . 5 ⊢ (i = 0 → 0 = 1) |
| 25 | 24 | adantl 486 | . . . 4 ⊢ ((i ∈ ℝ ∧ i = 0) → 0 = 1) |
| 26 | 13, 25 | mteqand 3055 | . . 3 ⊢ (i ∈ ℝ → i ≠ 0) |
| 27 | 11, 26 | sn-msqgt0d 43150 | . 2 ⊢ (i ∈ ℝ → 0 < (i · i)) |
| 28 | 10, 27 | mto 200 | 1 ⊢ ¬ i ∈ ℝ |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 = wceq 1567 ∈ wcel 2149 ≠ wne 2964 class class class wbr 5113 (class class class)co 7411 ℝcr 11099 0cc0 11100 1c1 11101 ici 11102 + caddc 11103 · cmul 11105 < clt 11243 −ℝ cresub 43016 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-mulrcl 11163 ax-addass 11165 ax-mulass 11166 ax-distr 11167 ax-i2m1 11168 ax-1ne0 11169 ax-1rid 11170 ax-rnegex 11171 ax-rrecex 11172 ax-cnre 11173 ax-pre-lttri 11174 ax-pre-lttrn 11175 ax-pre-ltadd 11176 ax-pre-mulgt0 11177 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5557 df-po 5570 df-so 5571 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-er 8694 df-en 8944 df-dom 8945 df-sdom 8946 df-pnf 11245 df-mnf 11246 df-xr 11247 df-ltxr 11248 df-le 11249 df-2 12303 df-3 12304 df-resub 43017 df-rediv 43092 |
| This theorem is referenced by: sn-itrere 43152 sn-retire 43153 |
| Copyright terms: Public domain | W3C validator |