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| Mirrors > Home > ILE Home > Th. List > fz10 | GIF version | ||
| Description: There are no integers between 1 and 0. (Contributed by Jeff Madsen, 16-Jun-2010.) (Proof shortened by Mario Carneiro, 28-Apr-2015.) |
| Ref | Expression |
|---|---|
| fz10 | ⊢ (1...0) = ∅ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0lt1 8365 | . 2 ⊢ 0 < 1 | |
| 2 | 1z 9566 | . . 3 ⊢ 1 ∈ ℤ | |
| 3 | 0z 9551 | . . 3 ⊢ 0 ∈ ℤ | |
| 4 | fzn 10339 | . . 3 ⊢ ((1 ∈ ℤ ∧ 0 ∈ ℤ) → (0 < 1 ↔ (1...0) = ∅)) | |
| 5 | 2, 3, 4 | mp2an 426 | . 2 ⊢ (0 < 1 ↔ (1...0) = ∅) |
| 6 | 1, 5 | mpbi 145 | 1 ⊢ (1...0) = ∅ |
| Colors of variables: wff set class |
| Syntax hints: ↔ wb 105 = wceq 1398 ∈ wcel 2202 ∅c0 3496 class class class wbr 4093 (class class class)co 6028 0cc0 8092 1c1 8093 < clt 8273 ℤcz 9540 ...cfz 10305 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8183 ax-resscn 8184 ax-1cn 8185 ax-1re 8186 ax-icn 8187 ax-addcl 8188 ax-addrcl 8189 ax-mulcl 8190 ax-addcom 8192 ax-addass 8194 ax-distr 8196 ax-i2m1 8197 ax-0lt1 8198 ax-0id 8200 ax-rnegex 8201 ax-cnre 8203 ax-pre-ltirr 8204 ax-pre-ltwlin 8205 ax-pre-lttrn 8206 ax-pre-ltadd 8208 |
| This theorem depends on definitions: df-bi 117 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-nel 2499 df-ral 2516 df-rex 2517 df-reu 2518 df-rab 2520 df-v 2805 df-sbc 3033 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-nul 3497 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-pnf 8275 df-mnf 8276 df-xr 8277 df-ltxr 8278 df-le 8279 df-sub 8411 df-neg 8412 df-inn 9203 df-n0 9462 df-z 9541 df-uz 9817 df-fz 10306 |
| This theorem is referenced by: frecfzennn 10751 fihasheq0 11118 zfz1iso 11168 fzf1o 12016 arisum 12139 fprodfac 12256 mulgnn0gsum 13795 gausslemma2dlem4 15883 lgsquadlem2 15897 gfsum0 16811 |
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