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| Mirrors > Home > MPE Home > Th. List > Mathboxes > sn-inelr | Structured version Visualization version GIF version | ||
| Description: inelr 12147 without ax-mulcom 11102. (Contributed by SN, 1-Jun-2024.) |
| Ref | Expression |
|---|---|
| sn-inelr | ⊢ ¬ i ∈ ℝ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | reneg1lt0 42850 | . . . 4 ⊢ (0 −ℝ 1) < 0 | |
| 2 | 1re 11144 | . . . . . 6 ⊢ 1 ∈ ℝ | |
| 3 | rernegcl 42741 | . . . . . 6 ⊢ (1 ∈ ℝ → (0 −ℝ 1) ∈ ℝ) | |
| 4 | 2, 3 | ax-mp 5 | . . . . 5 ⊢ (0 −ℝ 1) ∈ ℝ |
| 5 | 0re 11146 | . . . . 5 ⊢ 0 ∈ ℝ | |
| 6 | 4, 5 | ltnsymi 11264 | . . . 4 ⊢ ((0 −ℝ 1) < 0 → ¬ 0 < (0 −ℝ 1)) |
| 7 | 1, 6 | ax-mp 5 | . . 3 ⊢ ¬ 0 < (0 −ℝ 1) |
| 8 | reixi 42793 | . . . 4 ⊢ (i · i) = (0 −ℝ 1) | |
| 9 | 8 | breq2i 5108 | . . 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 12228 | . . . . 5 ⊢ 0 ≠ 1 | |
| 13 | 12 | a1i 11 | . . . 4 ⊢ (i ∈ ℝ → 0 ≠ 1) |
| 14 | id 22 | . . . . . . . 8 ⊢ (i = 0 → i = 0) | |
| 15 | 14, 14 | oveq12d 7386 | . . . . . . 7 ⊢ (i = 0 → (i · i) = (0 · 0)) |
| 16 | 15 | oveq1d 7383 | . . . . . 6 ⊢ (i = 0 → ((i · i) + 1) = ((0 · 0) + 1)) |
| 17 | ax-i2m1 11106 | . . . . . 6 ⊢ ((i · i) + 1) = 0 | |
| 18 | remul02 42775 | . . . . . . . . 9 ⊢ (0 ∈ ℝ → (0 · 0) = 0) | |
| 19 | 5, 18 | ax-mp 5 | . . . . . . . 8 ⊢ (0 · 0) = 0 |
| 20 | 19 | oveq1i 7378 | . . . . . . 7 ⊢ ((0 · 0) + 1) = (0 + 1) |
| 21 | readdlid 42773 | . . . . . . . 8 ⊢ (1 ∈ ℝ → (0 + 1) = 1) | |
| 22 | 2, 21 | ax-mp 5 | . . . . . . 7 ⊢ (0 + 1) = 1 |
| 23 | 20, 22 | eqtri 2760 | . . . . . 6 ⊢ ((0 · 0) + 1) = 1 |
| 24 | 16, 17, 23 | 3eqtr3g 2795 | . . . . 5 ⊢ (i = 0 → 0 = 1) |
| 25 | 24 | adantl 481 | . . . 4 ⊢ ((i ∈ ℝ ∧ i = 0) → 0 = 1) |
| 26 | 13, 25 | mteqand 3024 | . . 3 ⊢ (i ∈ ℝ → i ≠ 0) |
| 27 | 11, 26 | sn-msqgt0d 42856 | . 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 1542 ∈ wcel 2114 ≠ wne 2933 class class class wbr 5100 (class class class)co 7368 ℝcr 11037 0cc0 11038 1c1 11039 ici 11040 + caddc 11041 · cmul 11043 < clt 11178 −ℝ cresub 42735 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-po 5540 df-so 5541 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-er 8645 df-en 8896 df-dom 8897 df-sdom 8898 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-2 12220 df-3 12221 df-resub 42736 df-rediv 42811 |
| This theorem is referenced by: sn-itrere 42858 sn-retire 42859 |
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