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| Mirrors > Home > MPE Home > Th. List > Mathboxes > sn-0ne2 | Structured version Visualization version GIF version | ||
| Description: 0ne2 12592 without ax-mulcom 11303. (Contributed by SN, 23-Jan-2024.) |
| Ref | Expression |
|---|---|
| sn-0ne2 | ⊢ 0 ≠ 2 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1re 11347 | . . . 4 ⊢ 1 ∈ ℝ | |
| 2 | readdlid 43720 | . . . 4 ⊢ (1 ∈ ℝ → (0 + 1) = 1) | |
| 3 | 1, 2 | ax-mp 5 | . . 3 ⊢ (0 + 1) = 1 |
| 4 | sn-1ne2 43596 | . . . . . 6 ⊢ 1 ≠ 2 | |
| 5 | 2re 12457 | . . . . . . 7 ⊢ 2 ∈ ℝ | |
| 6 | 1, 5 | lttri2i 11463 | . . . . . 6 ⊢ (1 ≠ 2 ↔ (1 < 2 ∨ 2 < 1)) |
| 7 | 4, 6 | mpbi 233 | . . . . 5 ⊢ (1 < 2 ∨ 2 < 1) |
| 8 | 1red 11348 | . . . . . . 7 ⊢ (1 < 2 → 1 ∈ ℝ) | |
| 9 | 1, 5, 1 | ltadd2i 11480 | . . . . . . . . . 10 ⊢ (1 < 2 ↔ (1 + 1) < (1 + 2)) |
| 10 | 9 | biimpi 219 | . . . . . . . . 9 ⊢ (1 < 2 → (1 + 1) < (1 + 2)) |
| 11 | 1p1e2 12506 | . . . . . . . . 9 ⊢ (1 + 1) = 2 | |
| 12 | 1p2e3 12525 | . . . . . . . . 9 ⊢ (1 + 2) = 3 | |
| 13 | 10, 11, 12 | 3brtr3g 5144 | . . . . . . . 8 ⊢ (1 < 2 → 2 < 3) |
| 14 | 3re 12463 | . . . . . . . . 9 ⊢ 3 ∈ ℝ | |
| 15 | 1, 5, 14 | lttri 11475 | . . . . . . . 8 ⊢ ((1 < 2 ∧ 2 < 3) → 1 < 3) |
| 16 | 13, 15 | mpdan 700 | . . . . . . 7 ⊢ (1 < 2 → 1 < 3) |
| 17 | 8, 16 | ltned 11485 | . . . . . 6 ⊢ (1 < 2 → 1 ≠ 3) |
| 18 | 14 | a1i 11 | . . . . . . 7 ⊢ (2 < 1 → 3 ∈ ℝ) |
| 19 | 5, 1, 1 | ltadd2i 11480 | . . . . . . . . . 10 ⊢ (2 < 1 ↔ (1 + 2) < (1 + 1)) |
| 20 | 19 | biimpi 219 | . . . . . . . . 9 ⊢ (2 < 1 → (1 + 2) < (1 + 1)) |
| 21 | 20, 12, 11 | 3brtr3g 5144 | . . . . . . . 8 ⊢ (2 < 1 → 3 < 2) |
| 22 | 14, 5, 1 | lttri 11475 | . . . . . . . 8 ⊢ ((3 < 2 ∧ 2 < 1) → 3 < 1) |
| 23 | 21, 22 | mpancom 701 | . . . . . . 7 ⊢ (2 < 1 → 3 < 1) |
| 24 | 18, 23 | gtned 11484 | . . . . . 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 12446 | . . . 4 ⊢ 3 = (2 + 1) | |
| 28 | 26, 27 | neeqtri 3031 | . . 3 ⊢ 1 ≠ (2 + 1) |
| 29 | 3, 28 | eqnetri 3029 | . 2 ⊢ (0 + 1) ≠ (2 + 1) |
| 30 | oveq1 7458 | . . 3 ⊢ (0 = 2 → (0 + 1) = (2 + 1)) | |
| 31 | 30 | necon3i 2991 | . 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 2147 ≠ wne 2959 class class class wbr 5108 (class class class)co 7451 ℝcr 11238 0cc0 11239 1c1 11240 + caddc 11242 < clt 11382 2c2 12437 3c3 12438 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-po 5566 df-so 5567 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-er 8755 df-en 9012 df-dom 9013 df-sdom 9014 df-pnf 11384 df-mnf 11385 df-ltxr 11387 df-2 12445 df-3 12446 df-resub 43683 |
| This theorem is used by: remul01 43724 sn-0tie0 43781 |
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