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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 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnre 8751 |
. 2
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2 | nnge1 8767 |
. 2
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3 | 0lt1 7913 |
. . 3
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4 | 0re 7790 |
. . . 4
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5 | 1re 7789 |
. . . 4
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6 | ltletr 7877 |
. . . 4
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7 | 4, 5, 6 | mp3an12 1306 |
. . 3
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8 | 3, 7 | mpani 427 |
. 2
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9 | 1, 2, 8 | sylc 62 |
1
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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 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-13 1492 ax-14 1493 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 ax-sep 4054 ax-pow 4106 ax-pr 4139 ax-un 4363 ax-setind 4460 ax-cnex 7735 ax-resscn 7736 ax-1re 7738 ax-addrcl 7741 ax-0lt1 7750 ax-0id 7752 ax-rnegex 7753 ax-pre-ltirr 7756 ax-pre-ltwlin 7757 ax-pre-lttrn 7758 ax-pre-ltadd 7760 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1335 df-fal 1338 df-nf 1438 df-sb 1737 df-eu 2003 df-mo 2004 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-ne 2310 df-nel 2405 df-ral 2422 df-rex 2423 df-rab 2426 df-v 2691 df-dif 3078 df-un 3080 df-in 3082 df-ss 3089 df-pw 3517 df-sn 3538 df-pr 3539 df-op 3541 df-uni 3745 df-int 3780 df-br 3938 df-opab 3998 df-xp 4553 df-cnv 4555 df-iota 5096 df-fv 5139 df-ov 5785 df-pnf 7826 df-mnf 7827 df-xr 7828 df-ltxr 7829 df-le 7830 df-inn 8745 |
This theorem is referenced by: nnap0 8773 nngt0i 8774 nn2ge 8777 nn1gt1 8778 nnsub 8783 nngt0d 8788 nnrecl 8999 nn0ge0 9026 0mnnnnn0 9033 elnnnn0b 9045 elnnz 9088 elnn0z 9091 ztri3or0 9120 nnm1ge0 9161 gtndiv 9170 elpq 9467 elpqb 9468 nnrp 9480 nnledivrp 9583 fzo1fzo0n0 9991 ubmelfzo 10008 adddivflid 10096 flltdivnn0lt 10108 intfracq 10124 zmodcl 10148 zmodfz 10150 zmodid2 10156 m1modnnsub1 10174 expnnval 10327 nnlesq 10427 facdiv 10516 faclbnd 10519 bc0k 10534 dvdsval3 11533 nndivdvds 11535 moddvds 11538 evennn2n 11616 nnoddm1d2 11643 divalglemnn 11651 ndvdssub 11663 ndvdsadd 11664 modgcd 11715 sqgcd 11753 lcmgcdlem 11794 qredeu 11814 divdenle 11911 hashgcdlem 11939 znnen 11947 exmidunben 11975 |
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