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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 9281 | . 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 2205 class class class wbr 4115 1c1 8145 ≤ cle 8326 ℕcn 9258 |
| 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 2207 ax-14 2208 ax-ext 2216 ax-sep 4234 ax-pow 4293 ax-pr 4328 ax-un 4560 ax-setind 4665 ax-cnex 8235 ax-resscn 8236 ax-1re 8238 ax-addrcl 8241 ax-0lt1 8250 ax-0id 8252 ax-rnegex 8253 ax-pre-ltirr 8256 ax-pre-lttrn 8258 ax-pre-ltadd 8260 |
| 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 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-nel 2510 df-ral 2527 df-rex 2528 df-rab 2531 df-v 2817 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-pw 3677 df-sn 3701 df-pr 3702 df-op 3704 df-uni 3921 df-int 3956 df-br 4116 df-opab 4178 df-xp 4761 df-cnv 4763 df-iota 5318 df-fv 5366 df-ov 6062 df-pnf 8327 df-mnf 8328 df-xr 8329 df-ltxr 8330 df-le 8331 df-inn 9259 |
| This theorem is referenced by: exbtwnzlemstep 10635 addmodlteq 10788 bernneq3 11053 facwordi 11131 faclbnd 11132 faclbnd3 11134 facavg 11137 bcval5 11154 1elfz0hash 11200 seq3coll 11243 wrdind 11443 wrd2ind 11444 fsumcl2lem 12114 eftlub 12406 eflegeo 12417 eirraplem 12493 isprm5lem 12868 divdenle 12924 eulerthlemrprm 12956 eulerthlema 12957 infpnlem2 13088 4sqlem11 13129 4sqlem12 13130 2expltfac 13167 nninfdclemlt 13291 psrbaglesuppg 14952 logbgcd1irraplemexp 15964 pellexlem2 15977 perfectlem2 15999 lgsdir 16039 lgsdilem2 16040 lgseisenlem1 16074 2sqlem8 16127 |
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