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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 9165 | . 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 2202 class class class wbr 4088 1c1 8032 ≤ cle 8214 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: exbtwnzlemstep 10506 addmodlteq 10659 bernneq3 10923 facwordi 11001 faclbnd 11002 faclbnd3 11004 facavg 11007 bcval5 11024 1elfz0hash 11069 seq3coll 11105 wrdind 11302 wrd2ind 11303 fsumcl2lem 11958 eftlub 12250 eflegeo 12261 eirraplem 12337 isprm5lem 12712 divdenle 12768 eulerthlemrprm 12800 eulerthlema 12801 infpnlem2 12932 4sqlem11 12973 4sqlem12 12974 2expltfac 13011 nninfdclemlt 13071 psrbaglesuppg 14685 logbgcd1irraplemexp 15691 perfectlem2 15723 lgsdir 15763 lgsdilem2 15764 lgseisenlem1 15798 2sqlem8 15851 |
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