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| Mirrors > Home > ILE Home > Th. List > nnne0d | GIF version | ||
| Description: A positive integer is nonzero. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| nnge1d.1 | ⊢ (𝜑 → 𝐴 ∈ ℕ) |
| Ref | Expression |
|---|---|
| nnne0d | ⊢ (𝜑 → 𝐴 ≠ 0) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnge1d.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℕ) | |
| 2 | nnne0 9149 | . 2 ⊢ (𝐴 ∈ ℕ → 𝐴 ≠ 0) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → 𝐴 ≠ 0) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2200 ≠ wne 2400 0cc0 8010 ℕcn 9121 |
| 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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4258 ax-pr 4293 ax-un 4524 ax-setind 4629 ax-cnex 8101 ax-resscn 8102 ax-1re 8104 ax-addrcl 8107 ax-0lt1 8116 ax-0id 8118 ax-rnegex 8119 ax-pre-ltirr 8122 ax-pre-lttrn 8124 ax-pre-ltadd 8126 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2801 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-br 4084 df-opab 4146 df-xp 4725 df-cnv 4727 df-iota 5278 df-fv 5326 df-ov 6010 df-pnf 8194 df-mnf 8195 df-xr 8196 df-ltxr 8197 df-le 8198 df-inn 9122 |
| This theorem is referenced by: eluz2n0 9777 flqdiv 10555 modsumfzodifsn 10630 facne0 10971 bitsmod 12482 gcdnncl 12503 gcdeq0 12513 dvdsgcdidd 12530 mulgcd 12552 sqgcd 12565 lcmeq0 12608 lcmgcdlem 12614 qredeu 12634 cncongr1 12640 prmind2 12657 isprm5lem 12678 divgcdodd 12680 oddpwdclemxy 12706 oddpwdclemodd 12709 divnumden 12733 hashdvds 12758 pythagtriplem4 12806 pythagtriplem19 12820 pcprendvds2 12829 pcpremul 12831 pceulem 12832 pcqmul 12841 pc2dvds 12868 pcaddlem 12877 pcadd 12878 pcmpt2 12882 pcmptdvds 12883 pcbc 12889 expnprm 12891 prmpwdvds 12893 pockthlem 12894 4sqlem8 12923 4sqlem9 12924 4sqlem10 12925 4sqlem12 12940 4sqlem14 12942 4sqlem17 12945 znrrg 14639 dvply1 15454 mpodvdsmulf1o 15679 lgsval2lem 15704 lgsquad2lem1 15775 2sqlem3 15811 2sqlem8 15817 |
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