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Mirrors > Home > ILE Home > Th. List > nnge1 | Unicode version |
Description: A positive integer is one or greater. (Contributed by NM, 25-Aug-1999.) |
Ref | Expression |
---|---|
nnge1 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | breq2 4034 |
. 2
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2 | breq2 4034 |
. 2
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3 | breq2 4034 |
. 2
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4 | breq2 4034 |
. 2
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5 | 1le1 8593 |
. 2
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6 | nnre 8991 |
. . 3
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7 | recn 8007 |
. . . . . 6
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8 | 7 | addridd 8170 |
. . . . 5
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9 | 8 | breq2d 4042 |
. . . 4
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10 | 0lt1 8148 |
. . . . . . . 8
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11 | 0re 8021 |
. . . . . . . . 9
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12 | 1re 8020 |
. . . . . . . . 9
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13 | axltadd 8091 |
. . . . . . . . 9
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14 | 11, 12, 13 | mp3an12 1338 |
. . . . . . . 8
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15 | 10, 14 | mpi 15 |
. . . . . . 7
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16 | readdcl 8000 |
. . . . . . . . 9
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17 | 11, 16 | mpan2 425 |
. . . . . . . 8
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18 | peano2re 8157 |
. . . . . . . 8
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19 | lttr 8095 |
. . . . . . . . 9
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20 | 12, 19 | mp3an3 1337 |
. . . . . . . 8
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
21 | 17, 18, 20 | syl2anc 411 |
. . . . . . 7
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22 | 15, 21 | mpand 429 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
23 | 22 | con3d 632 |
. . . . 5
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24 | lenlt 8097 |
. . . . . 6
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25 | 12, 17, 24 | sylancr 414 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
26 | lenlt 8097 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
27 | 12, 18, 26 | sylancr 414 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
28 | 23, 25, 27 | 3imtr4d 203 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
29 | 9, 28 | sylbird 170 |
. . 3
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30 | 6, 29 | syl 14 |
. 2
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31 | 1, 2, 3, 4, 5, 30 | nnind 9000 |
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 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4148 ax-pow 4204 ax-pr 4239 ax-un 4465 ax-setind 4570 ax-cnex 7965 ax-resscn 7966 ax-1re 7968 ax-addrcl 7971 ax-0lt1 7980 ax-0id 7982 ax-rnegex 7983 ax-pre-ltirr 7986 ax-pre-lttrn 7988 ax-pre-ltadd 7990 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-nel 2460 df-ral 2477 df-rex 2478 df-rab 2481 df-v 2762 df-dif 3156 df-un 3158 df-in 3160 df-ss 3167 df-pw 3604 df-sn 3625 df-pr 3626 df-op 3628 df-uni 3837 df-int 3872 df-br 4031 df-opab 4092 df-xp 4666 df-cnv 4668 df-iota 5216 df-fv 5263 df-ov 5922 df-pnf 8058 df-mnf 8059 df-xr 8060 df-ltxr 8061 df-le 8062 df-inn 8985 |
This theorem is referenced by: nnle1eq1 9008 nngt0 9009 nnnlt1 9010 nnrecgt0 9022 nnge1d 9027 elnnnn0c 9288 elnnz1 9343 zltp1le 9374 nn0ledivnn 9836 elfz1b 10159 fzo1fzo0n0 10253 elfzom1elp1fzo 10272 fzo0sn0fzo1 10291 nnlesq 10717 faclbnd 10815 faclbnd3 10817 len0nnbi 10951 fstwrdne0 10956 cvgratz 11678 coprmgcdb 12229 isprm3 12259 pw2dvds 12307 pockthg 12498 oddennn 12552 gausslemma2dlem1a 15215 |
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