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| Mirrors > Home > MPE Home > Th. List > 0nelfz1 | Structured version Visualization version GIF version | ||
| Description: 0 is not an element of a finite interval of integers starting at 1. (Contributed by AV, 27-Aug-2020.) |
| Ref | Expression |
|---|---|
| 0nelfz1 | ⊢ 0 ∉ (1...𝑁) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0lt1 11661 | . . . . 5 ⊢ 0 < 1 | |
| 2 | 0re 11135 | . . . . . 6 ⊢ 0 ∈ ℝ | |
| 3 | 1re 11133 | . . . . . 6 ⊢ 1 ∈ ℝ | |
| 4 | 2, 3 | ltnlei 11256 | . . . . 5 ⊢ (0 < 1 ↔ ¬ 1 ≤ 0) |
| 5 | 1, 4 | mpbi 230 | . . . 4 ⊢ ¬ 1 ≤ 0 |
| 6 | 5 | intnanr 487 | . . 3 ⊢ ¬ (1 ≤ 0 ∧ 0 ≤ 𝑁) |
| 7 | 6 | intnan 486 | . 2 ⊢ ¬ ((1 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 0 ∈ ℤ) ∧ (1 ≤ 0 ∧ 0 ≤ 𝑁)) |
| 8 | df-nel 3035 | . . 3 ⊢ (0 ∉ (1...𝑁) ↔ ¬ 0 ∈ (1...𝑁)) | |
| 9 | elfz2 13457 | . . 3 ⊢ (0 ∈ (1...𝑁) ↔ ((1 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 0 ∈ ℤ) ∧ (1 ≤ 0 ∧ 0 ≤ 𝑁))) | |
| 10 | 8, 9 | xchbinx 334 | . 2 ⊢ (0 ∉ (1...𝑁) ↔ ¬ ((1 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 0 ∈ ℤ) ∧ (1 ≤ 0 ∧ 0 ≤ 𝑁))) |
| 11 | 7, 10 | mpbir 231 | 1 ⊢ 0 ∉ (1...𝑁) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 ∧ wa 395 ∧ w3a 1087 ∈ wcel 2114 ∉ wnel 3034 class class class wbr 5074 (class class class)co 7356 0cc0 11027 1c1 11028 < clt 11168 ≤ cle 11169 ℤcz 12513 ...cfz 13450 |
| 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 2184 ax-ext 2707 ax-sep 5220 ax-nul 5230 ax-pow 5296 ax-pr 5364 ax-un 7678 ax-cnex 11083 ax-resscn 11084 ax-1cn 11085 ax-icn 11086 ax-addcl 11087 ax-addrcl 11088 ax-mulcl 11089 ax-mulrcl 11090 ax-mulcom 11091 ax-addass 11092 ax-mulass 11093 ax-distr 11094 ax-i2m1 11095 ax-1ne0 11096 ax-1rid 11097 ax-rnegex 11098 ax-rrecex 11099 ax-cnre 11100 ax-pre-lttri 11101 ax-pre-lttrn 11102 ax-pre-ltadd 11103 ax-pre-mulgt0 11104 |
| 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 2538 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2810 df-nfc 2884 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3060 df-reu 3341 df-rab 3388 df-v 3429 df-sbc 3726 df-csb 3834 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-nul 4264 df-if 4457 df-pw 4533 df-sn 4558 df-pr 4560 df-op 4564 df-uni 4841 df-iun 4925 df-br 5075 df-opab 5137 df-mpt 5156 df-id 5515 df-po 5528 df-so 5529 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-ima 5633 df-iota 6443 df-fun 6489 df-fn 6490 df-f 6491 df-f1 6492 df-fo 6493 df-f1o 6494 df-fv 6495 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-1st 7931 df-2nd 7932 df-er 8632 df-en 8883 df-dom 8884 df-sdom 8885 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11368 df-neg 11369 df-z 12514 df-fz 13451 |
| This theorem is referenced by: lcmflefac 16606 prmodvdslcmf 17007 prmolelcmf 17008 prmgaplcmlem2 17012 prmgaplcm 17020 f1resfz0f1d 35284 |
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