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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 9213 | . 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 2202 ≠ wne 2403 0cc0 8075 ℕcn 9185 |
| 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 8166 ax-resscn 8167 ax-1re 8169 ax-addrcl 8172 ax-0lt1 8181 ax-0id 8183 ax-rnegex 8184 ax-pre-ltirr 8187 ax-pre-lttrn 8189 ax-pre-ltadd 8191 |
| This theorem depends on definitions: df-bi 117 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-rab 2520 df-v 2805 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 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-xp 4737 df-cnv 4739 df-iota 5293 df-fv 5341 df-ov 6031 df-pnf 8258 df-mnf 8259 df-xr 8260 df-ltxr 8261 df-le 8262 df-inn 9186 |
| This theorem is referenced by: eluz2n0 9849 flqdiv 10629 modsumfzodifsn 10704 facne0 11045 bitsmod 12580 gcdnncl 12601 gcdeq0 12611 dvdsgcdidd 12628 mulgcd 12650 sqgcd 12663 lcmeq0 12706 lcmgcdlem 12712 qredeu 12732 cncongr1 12738 prmind2 12755 isprm5lem 12776 divgcdodd 12778 oddpwdclemxy 12804 oddpwdclemodd 12807 divnumden 12831 hashdvds 12856 pythagtriplem4 12904 pythagtriplem19 12918 pcprendvds2 12927 pcpremul 12929 pceulem 12930 pcqmul 12939 pc2dvds 12966 pcaddlem 12975 pcadd 12976 pcmpt2 12980 pcmptdvds 12981 pcbc 12987 expnprm 12989 prmpwdvds 12991 pockthlem 12992 4sqlem8 13021 4sqlem9 13022 4sqlem10 13023 4sqlem12 13038 4sqlem14 13040 4sqlem17 13043 znrrg 14739 dvply1 15559 mpodvdsmulf1o 15787 lgsval2lem 15812 lgsquad2lem1 15883 2sqlem3 15919 2sqlem8 15925 clwwlknonex2 16363 depindlem1 16430 |
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