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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 9161 | . 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 8022 ℕcn 9133 |
| 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 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-cnex 8113 ax-resscn 8114 ax-1re 8116 ax-addrcl 8119 ax-0lt1 8128 ax-0id 8130 ax-rnegex 8131 ax-pre-ltirr 8134 ax-pre-lttrn 8136 ax-pre-ltadd 8138 |
| 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 2802 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-int 3927 df-br 4087 df-opab 4149 df-xp 4729 df-cnv 4731 df-iota 5284 df-fv 5332 df-ov 6016 df-pnf 8206 df-mnf 8207 df-xr 8208 df-ltxr 8209 df-le 8210 df-inn 9134 |
| This theorem is referenced by: eluz2n0 9795 flqdiv 10573 modsumfzodifsn 10648 facne0 10989 bitsmod 12507 gcdnncl 12528 gcdeq0 12538 dvdsgcdidd 12555 mulgcd 12577 sqgcd 12590 lcmeq0 12633 lcmgcdlem 12639 qredeu 12659 cncongr1 12665 prmind2 12682 isprm5lem 12703 divgcdodd 12705 oddpwdclemxy 12731 oddpwdclemodd 12734 divnumden 12758 hashdvds 12783 pythagtriplem4 12831 pythagtriplem19 12845 pcprendvds2 12854 pcpremul 12856 pceulem 12857 pcqmul 12866 pc2dvds 12893 pcaddlem 12902 pcadd 12903 pcmpt2 12907 pcmptdvds 12908 pcbc 12914 expnprm 12916 prmpwdvds 12918 pockthlem 12919 4sqlem8 12948 4sqlem9 12949 4sqlem10 12950 4sqlem12 12965 4sqlem14 12967 4sqlem17 12970 znrrg 14664 dvply1 15479 mpodvdsmulf1o 15704 lgsval2lem 15729 lgsquad2lem1 15800 2sqlem3 15836 2sqlem8 15842 clwwlknonex2 16234 |
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