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| Mirrors > Home > MPE Home > Th. List > Mathboxes > sn-0ne2 | Structured version Visualization version GIF version | ||
| Description: 0ne2 12475 without ax-mulcom 11189. (Contributed by SN, 23-Jan-2024.) |
| Ref | Expression |
|---|---|
| sn-0ne2 | ⊢ 0 ≠ 2 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1re 11233 | . . . 4 ⊢ 1 ∈ ℝ | |
| 2 | readdlid 43279 | . . . 4 ⊢ (1 ∈ ℝ → (0 + 1) = 1) | |
| 3 | 1, 2 | ax-mp 5 | . . 3 ⊢ (0 + 1) = 1 |
| 4 | sn-1ne2 43147 | . . . . . 6 ⊢ 1 ≠ 2 | |
| 5 | 2re 12340 | . . . . . . 7 ⊢ 2 ∈ ℝ | |
| 6 | 1, 5 | lttri2i 11349 | . . . . . 6 ⊢ (1 ≠ 2 ↔ (1 < 2 ∨ 2 < 1)) |
| 7 | 4, 6 | mpbi 233 | . . . . 5 ⊢ (1 < 2 ∨ 2 < 1) |
| 8 | 1red 11234 | . . . . . . 7 ⊢ (1 < 2 → 1 ∈ ℝ) | |
| 9 | 1, 5, 1 | ltadd2i 11366 | . . . . . . . . . 10 ⊢ (1 < 2 ↔ (1 + 1) < (1 + 2)) |
| 10 | 9 | biimpi 219 | . . . . . . . . 9 ⊢ (1 < 2 → (1 + 1) < (1 + 2)) |
| 11 | 1p1e2 12389 | . . . . . . . . 9 ⊢ (1 + 1) = 2 | |
| 12 | 1p2e3 12408 | . . . . . . . . 9 ⊢ (1 + 2) = 3 | |
| 13 | 10, 11, 12 | 3brtr3g 5138 | . . . . . . . 8 ⊢ (1 < 2 → 2 < 3) |
| 14 | 3re 12346 | . . . . . . . . 9 ⊢ 3 ∈ ℝ | |
| 15 | 1, 5, 14 | lttri 11361 | . . . . . . . 8 ⊢ ((1 < 2 ∧ 2 < 3) → 1 < 3) |
| 16 | 13, 15 | mpdan 700 | . . . . . . 7 ⊢ (1 < 2 → 1 < 3) |
| 17 | 8, 16 | ltned 11371 | . . . . . 6 ⊢ (1 < 2 → 1 ≠ 3) |
| 18 | 14 | a1i 11 | . . . . . . 7 ⊢ (2 < 1 → 3 ∈ ℝ) |
| 19 | 5, 1, 1 | ltadd2i 11366 | . . . . . . . . . 10 ⊢ (2 < 1 ↔ (1 + 2) < (1 + 1)) |
| 20 | 19 | biimpi 219 | . . . . . . . . 9 ⊢ (2 < 1 → (1 + 2) < (1 + 1)) |
| 21 | 20, 12, 11 | 3brtr3g 5138 | . . . . . . . 8 ⊢ (2 < 1 → 3 < 2) |
| 22 | 14, 5, 1 | lttri 11361 | . . . . . . . 8 ⊢ ((3 < 2 ∧ 2 < 1) → 3 < 1) |
| 23 | 21, 22 | mpancom 701 | . . . . . . 7 ⊢ (2 < 1 → 3 < 1) |
| 24 | 18, 23 | gtned 11370 | . . . . . 6 ⊢ (2 < 1 → 1 ≠ 3) |
| 25 | 17, 24 | jaoi 871 | . . . . 5 ⊢ ((1 < 2 ∨ 2 < 1) → 1 ≠ 3) |
| 26 | 7, 25 | ax-mp 5 | . . . 4 ⊢ 1 ≠ 3 |
| 27 | df-3 12329 | . . . 4 ⊢ 3 = (2 + 1) | |
| 28 | 26, 27 | neeqtri 3027 | . . 3 ⊢ 1 ≠ (2 + 1) |
| 29 | 3, 28 | eqnetri 3025 | . 2 ⊢ (0 + 1) ≠ (2 + 1) |
| 30 | oveq1 7421 | . . 3 ⊢ (0 = 2 → (0 + 1) = (2 + 1)) | |
| 31 | 30 | necon3i 2987 | . 2 ⊢ ((0 + 1) ≠ (2 + 1) → 0 ≠ 2) |
| 32 | 29, 31 | ax-mp 5 | 1 ⊢ 0 ≠ 2 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∨ wo 861 = wceq 1570 ∈ wcel 2145 ≠ wne 2955 class class class wbr 5103 (class class class)co 7414 ℝcr 11124 0cc0 11125 1c1 11126 + caddc 11128 < clt 11268 2c2 12320 3c3 12321 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-resscn 11182 ax-1cn 11183 ax-icn 11184 ax-addcl 11185 ax-addrcl 11186 ax-mulcl 11187 ax-mulrcl 11188 ax-addass 11190 ax-mulass 11191 ax-distr 11192 ax-i2m1 11193 ax-1ne0 11194 ax-1rid 11195 ax-rnegex 11196 ax-rrecex 11197 ax-cnre 11198 ax-pre-lttri 11199 ax-pre-lttrn 11200 ax-pre-ltadd 11201 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-po 5563 df-so 5564 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-er 8697 df-en 8954 df-dom 8955 df-sdom 8956 df-pnf 11270 df-mnf 11271 df-ltxr 11273 df-2 12328 df-3 12329 df-resub 43242 |
| This theorem is used by: remul01 43283 sn-0tie0 43340 |
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