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| Mirrors > Home > ILE Home > Th. List > nnge1d | GIF version | ||
| Description: A positive integer is one or greater. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| nnge1d.1 | ⊢ (𝜑 → 𝐴 ∈ ℕ) |
| Ref | Expression |
|---|---|
| nnge1d | ⊢ (𝜑 → 1 ≤ 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnge1d.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℕ) | |
| 2 | nnge1 9260 | . 2 ⊢ (𝐴 ∈ ℕ → 1 ≤ 𝐴) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → 1 ≤ 𝐴) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2203 class class class wbr 4109 1c1 8128 ≤ cle 8309 ℕcn 9237 |
| 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 2205 ax-14 2206 ax-ext 2214 ax-sep 4228 ax-pow 4287 ax-pr 4322 ax-un 4554 ax-setind 4659 ax-cnex 8218 ax-resscn 8219 ax-1re 8221 ax-addrcl 8224 ax-0lt1 8233 ax-0id 8235 ax-rnegex 8236 ax-pre-ltirr 8239 ax-pre-lttrn 8241 ax-pre-ltadd 8243 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-nel 2508 df-ral 2525 df-rex 2526 df-rab 2529 df-v 2815 df-dif 3213 df-un 3215 df-in 3217 df-ss 3224 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-int 3950 df-br 4110 df-opab 4172 df-xp 4755 df-cnv 4757 df-iota 5312 df-fv 5360 df-ov 6053 df-pnf 8310 df-mnf 8311 df-xr 8312 df-ltxr 8313 df-le 8314 df-inn 9238 |
| This theorem is referenced by: exbtwnzlemstep 10607 addmodlteq 10760 bernneq3 11024 facwordi 11102 faclbnd 11103 faclbnd3 11105 facavg 11108 bcval5 11125 1elfz0hash 11171 seq3coll 11214 wrdind 11414 wrd2ind 11415 fsumcl2lem 12084 eftlub 12376 eflegeo 12387 eirraplem 12463 isprm5lem 12838 divdenle 12894 eulerthlemrprm 12926 eulerthlema 12927 infpnlem2 13058 4sqlem11 13099 4sqlem12 13100 2expltfac 13137 nninfdclemlt 13202 psrbaglesuppg 14821 logbgcd1irraplemexp 15833 pellexlem2 15846 perfectlem2 15868 lgsdir 15908 lgsdilem2 15909 lgseisenlem1 15943 2sqlem8 15996 |
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