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| Mirrors > Home > ILE Home > Th. List > nngt0 | Unicode version | ||
| Description: A positive integer is positive. (Contributed by NM, 26-Sep-1999.) |
| Ref | Expression |
|---|---|
| nngt0 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnre 9209 |
. 2
| |
| 2 | nnge1 9225 |
. 2
| |
| 3 | 0lt1 8365 |
. . 3
| |
| 4 | 0re 8239 |
. . . 4
| |
| 5 | 1re 8238 |
. . . 4
| |
| 6 | ltletr 8328 |
. . . 4
| |
| 7 | 4, 5, 6 | mp3an12 1364 |
. . 3
|
| 8 | 3, 7 | mpani 430 |
. 2
|
| 9 | 1, 2, 8 | sylc 62 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| 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 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8183 ax-resscn 8184 ax-1re 8186 ax-addrcl 8189 ax-0lt1 8198 ax-0id 8200 ax-rnegex 8201 ax-pre-ltirr 8204 ax-pre-ltwlin 8205 ax-pre-lttrn 8206 ax-pre-ltadd 8208 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-nel 2499 df-ral 2516 df-rex 2517 df-rab 2520 df-v 2805 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-br 4094 df-opab 4156 df-xp 4737 df-cnv 4739 df-iota 5293 df-fv 5341 df-ov 6031 df-pnf 8275 df-mnf 8276 df-xr 8277 df-ltxr 8278 df-le 8279 df-inn 9203 |
| This theorem is referenced by: nnap0 9231 nngt0i 9232 nn2ge 9235 nn1gt1 9236 nnsub 9241 nngt0d 9246 nnrecl 9459 nn0ge0 9486 0mnnnnn0 9493 elnnnn0b 9505 elnnz 9550 elnn0z 9553 ztri3or0 9582 nnnle0 9589 nnm1ge0 9627 gtndiv 9636 elpq 9944 elpqb 9945 nnrp 9959 nnledivrp 10062 fzo1fzo0n0 10485 ubmelfzo 10508 adddivflid 10615 flltdivnn0lt 10627 intfracq 10645 zmodcl 10669 zmodfz 10671 zmodid2 10677 m1modnnsub1 10695 expnnval 10867 nnlesq 10968 facdiv 11063 faclbnd 11066 bc0k 11081 ccatval21sw 11248 ccats1pfxeqrex 11362 dvdsval3 12432 nndivdvds 12437 moddvds 12440 evennn2n 12524 nnoddm1d2 12551 divalglemnn 12559 ndvdssub 12571 ndvdsadd 12572 modgcd 12642 sqgcd 12680 lcmgcdlem 12729 qredeu 12749 divdenle 12849 hashgcdlem 12890 oddprm 12912 pythagtriplem12 12928 pythagtriplem13 12929 pythagtriplem14 12930 pythagtriplem16 12932 pythagtriplem19 12935 pc2dvds 12983 fldivp1 13001 modsubi 13072 znnen 13099 exmidunben 13127 mulgnn 13793 mulgnegnn 13799 mulgmodid 13828 znf1o 14747 znidomb 14754 pellexlem1 15791 lgsval4a 15841 lgsne0 15857 gausslemma2dlem1a 15877 clwwlknonccat 16374 |
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