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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 9277 | . 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 4114 1c1 8144 ≤ cle 8325 ℕcn 9254 |
| 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 4233 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-setind 4664 ax-cnex 8234 ax-resscn 8235 ax-1re 8237 ax-addrcl 8240 ax-0lt1 8249 ax-0id 8251 ax-rnegex 8252 ax-pre-ltirr 8255 ax-pre-lttrn 8257 ax-pre-ltadd 8259 |
| 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 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-int 3955 df-br 4115 df-opab 4177 df-xp 4760 df-cnv 4762 df-iota 5317 df-fv 5365 df-ov 6061 df-pnf 8326 df-mnf 8327 df-xr 8328 df-ltxr 8329 df-le 8330 df-inn 9255 |
| This theorem is referenced by: exbtwnzlemstep 10631 addmodlteq 10784 bernneq3 11049 facwordi 11127 faclbnd 11128 faclbnd3 11130 facavg 11133 bcval5 11150 1elfz0hash 11196 seq3coll 11239 wrdind 11439 wrd2ind 11440 fsumcl2lem 12109 eftlub 12401 eflegeo 12412 eirraplem 12488 isprm5lem 12863 divdenle 12919 eulerthlemrprm 12951 eulerthlema 12952 infpnlem2 13083 4sqlem11 13124 4sqlem12 13125 2expltfac 13162 nninfdclemlt 13286 psrbaglesuppg 14947 logbgcd1irraplemexp 15959 pellexlem2 15972 perfectlem2 15994 lgsdir 16034 lgsdilem2 16035 lgseisenlem1 16069 2sqlem8 16122 |
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