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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 9170 | . 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 8031 ℕcn 9142 |
| 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 8122 ax-resscn 8123 ax-1re 8125 ax-addrcl 8128 ax-0lt1 8137 ax-0id 8139 ax-rnegex 8140 ax-pre-ltirr 8143 ax-pre-lttrn 8145 ax-pre-ltadd 8147 |
| 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 6020 df-pnf 8215 df-mnf 8216 df-xr 8217 df-ltxr 8218 df-le 8219 df-inn 9143 |
| This theorem is referenced by: eluz2n0 9804 flqdiv 10582 modsumfzodifsn 10657 facne0 10998 bitsmod 12516 gcdnncl 12537 gcdeq0 12547 dvdsgcdidd 12564 mulgcd 12586 sqgcd 12599 lcmeq0 12642 lcmgcdlem 12648 qredeu 12668 cncongr1 12674 prmind2 12691 isprm5lem 12712 divgcdodd 12714 oddpwdclemxy 12740 oddpwdclemodd 12743 divnumden 12767 hashdvds 12792 pythagtriplem4 12840 pythagtriplem19 12854 pcprendvds2 12863 pcpremul 12865 pceulem 12866 pcqmul 12875 pc2dvds 12902 pcaddlem 12911 pcadd 12912 pcmpt2 12916 pcmptdvds 12917 pcbc 12923 expnprm 12925 prmpwdvds 12927 pockthlem 12928 4sqlem8 12957 4sqlem9 12958 4sqlem10 12959 4sqlem12 12974 4sqlem14 12976 4sqlem17 12979 znrrg 14673 dvply1 15488 mpodvdsmulf1o 15713 lgsval2lem 15738 lgsquad2lem1 15809 2sqlem3 15845 2sqlem8 15851 clwwlknonex2 16289 |
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