| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 11645 | . . . . 5 ⊢ 0 < 1 | |
| 2 | 0re 11120 | . . . . . 6 ⊢ 0 ∈ ℝ | |
| 3 | 1re 11118 | . . . . . 6 ⊢ 1 ∈ ℝ | |
| 4 | 2, 3 | ltnlei 11240 | . . . . 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 3033 | . . 3 ⊢ (0 ∉ (1...𝑁) ↔ ¬ 0 ∈ (1...𝑁)) | |
| 9 | elfz2 13420 | . . 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 1086 ∈ wcel 2111 ∉ wnel 3032 class class class wbr 5093 (class class class)co 7352 0cc0 11012 1c1 11013 < clt 11152 ≤ cle 11153 ℤcz 12474 ...cfz 13413 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-sep 5236 ax-nul 5246 ax-pow 5305 ax-pr 5372 ax-un 7674 ax-cnex 11068 ax-resscn 11069 ax-1cn 11070 ax-icn 11071 ax-addcl 11072 ax-addrcl 11073 ax-mulcl 11074 ax-mulrcl 11075 ax-mulcom 11076 ax-addass 11077 ax-mulass 11078 ax-distr 11079 ax-i2m1 11080 ax-1ne0 11081 ax-1rid 11082 ax-rnegex 11083 ax-rrecex 11084 ax-cnre 11085 ax-pre-lttri 11086 ax-pre-lttrn 11087 ax-pre-ltadd 11088 ax-pre-mulgt0 11089 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-nel 3033 df-ral 3048 df-rex 3057 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-nul 4283 df-if 4475 df-pw 4551 df-sn 4576 df-pr 4578 df-op 4582 df-uni 4859 df-iun 4943 df-br 5094 df-opab 5156 df-mpt 5175 df-id 5514 df-po 5527 df-so 5528 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 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 7309 df-ov 7355 df-oprab 7356 df-mpo 7357 df-1st 7927 df-2nd 7928 df-er 8628 df-en 8876 df-dom 8877 df-sdom 8878 df-pnf 11154 df-mnf 11155 df-xr 11156 df-ltxr 11157 df-le 11158 df-sub 11352 df-neg 11353 df-z 12475 df-fz 13414 |
| This theorem is referenced by: lcmflefac 16565 prmodvdslcmf 16965 prmolelcmf 16966 prmgaplcmlem2 16970 prmgaplcm 16978 f1resfz0f1d 35165 |
| Copyright terms: Public domain | W3C validator |