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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 9171 | . 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 2402 0cc0 8032 ℕcn 9143 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-cnex 8123 ax-resscn 8124 ax-1re 8126 ax-addrcl 8129 ax-0lt1 8138 ax-0id 8140 ax-rnegex 8141 ax-pre-ltirr 8144 ax-pre-lttrn 8146 ax-pre-ltadd 8148 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-rab 2519 df-v 2804 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-br 4089 df-opab 4151 df-xp 4731 df-cnv 4733 df-iota 5286 df-fv 5334 df-ov 6021 df-pnf 8216 df-mnf 8217 df-xr 8218 df-ltxr 8219 df-le 8220 df-inn 9144 |
| This theorem is referenced by: eluz2n0 9805 flqdiv 10584 modsumfzodifsn 10659 facne0 11000 bitsmod 12535 gcdnncl 12556 gcdeq0 12566 dvdsgcdidd 12583 mulgcd 12605 sqgcd 12618 lcmeq0 12661 lcmgcdlem 12667 qredeu 12687 cncongr1 12693 prmind2 12710 isprm5lem 12731 divgcdodd 12733 oddpwdclemxy 12759 oddpwdclemodd 12762 divnumden 12786 hashdvds 12811 pythagtriplem4 12859 pythagtriplem19 12873 pcprendvds2 12882 pcpremul 12884 pceulem 12885 pcqmul 12894 pc2dvds 12921 pcaddlem 12930 pcadd 12931 pcmpt2 12935 pcmptdvds 12936 pcbc 12942 expnprm 12944 prmpwdvds 12946 pockthlem 12947 4sqlem8 12976 4sqlem9 12977 4sqlem10 12978 4sqlem12 12993 4sqlem14 12995 4sqlem17 12998 znrrg 14693 dvply1 15508 mpodvdsmulf1o 15733 lgsval2lem 15758 lgsquad2lem1 15829 2sqlem3 15865 2sqlem8 15871 clwwlknonex2 16309 depindlem1 16376 |
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