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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 3849 |
. 2
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2 | breq2 3849 |
. 2
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3 | breq2 3849 |
. 2
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4 | breq2 3849 |
. 2
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5 | 1le1 8047 |
. 2
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6 | nnre 8427 |
. . 3
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7 | recn 7473 |
. . . . . 6
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8 | 7 | addid1d 7629 |
. . . . 5
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9 | 8 | breq2d 3857 |
. . . 4
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10 | 0lt1 7608 |
. . . . . . . 8
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11 | 0re 7486 |
. . . . . . . . 9
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12 | 1re 7485 |
. . . . . . . . 9
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13 | axltadd 7554 |
. . . . . . . . 9
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14 | 11, 12, 13 | mp3an12 1263 |
. . . . . . . 8
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15 | 10, 14 | mpi 15 |
. . . . . . 7
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16 | readdcl 7466 |
. . . . . . . . 9
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17 | 11, 16 | mpan2 416 |
. . . . . . . 8
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18 | peano2re 7616 |
. . . . . . . 8
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19 | lttr 7557 |
. . . . . . . . 9
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20 | 12, 19 | mp3an3 1262 |
. . . . . . . 8
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
21 | 17, 18, 20 | syl2anc 403 |
. . . . . . 7
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22 | 15, 21 | mpand 420 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
23 | 22 | con3d 596 |
. . . . 5
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24 | lenlt 7559 |
. . . . . 6
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25 | 12, 17, 24 | sylancr 405 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
26 | lenlt 7559 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
27 | 12, 18, 26 | sylancr 405 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
28 | 23, 25, 27 | 3imtr4d 201 |
. . . 4
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29 | 9, 28 | sylbird 168 |
. . 3
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30 | 6, 29 | syl 14 |
. 2
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31 | 1, 2, 3, 4, 5, 30 | nnind 8436 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 579 ax-in2 580 ax-io 665 ax-5 1381 ax-7 1382 ax-gen 1383 ax-ie1 1427 ax-ie2 1428 ax-8 1440 ax-10 1441 ax-11 1442 ax-i12 1443 ax-bndl 1444 ax-4 1445 ax-13 1449 ax-14 1450 ax-17 1464 ax-i9 1468 ax-ial 1472 ax-i5r 1473 ax-ext 2070 ax-sep 3957 ax-pow 4009 ax-pr 4036 ax-un 4260 ax-setind 4353 ax-cnex 7434 ax-resscn 7435 ax-1re 7437 ax-addrcl 7440 ax-0lt1 7449 ax-0id 7451 ax-rnegex 7452 ax-pre-ltirr 7455 ax-pre-lttrn 7457 ax-pre-ltadd 7459 |
This theorem depends on definitions: df-bi 115 df-3an 926 df-tru 1292 df-fal 1295 df-nf 1395 df-sb 1693 df-eu 1951 df-mo 1952 df-clab 2075 df-cleq 2081 df-clel 2084 df-nfc 2217 df-ne 2256 df-nel 2351 df-ral 2364 df-rex 2365 df-rab 2368 df-v 2621 df-dif 3001 df-un 3003 df-in 3005 df-ss 3012 df-pw 3431 df-sn 3452 df-pr 3453 df-op 3455 df-uni 3654 df-int 3689 df-br 3846 df-opab 3900 df-xp 4444 df-cnv 4446 df-iota 4980 df-fv 5023 df-ov 5655 df-pnf 7522 df-mnf 7523 df-xr 7524 df-ltxr 7525 df-le 7526 df-inn 8421 |
This theorem is referenced by: nnle1eq1 8444 nngt0 8445 nnnlt1 8446 nnrecgt0 8458 nnge1d 8463 elnnnn0c 8716 elnnz1 8771 zltp1le 8802 nn0ledivnn 9236 elfz1b 9500 fzo1fzo0n0 9590 elfzom1elp1fzo 9609 fzo0sn0fzo1 9628 nnlesq 10054 faclbnd 10145 faclbnd3 10147 cvgratz 10922 coprmgcdb 11344 isprm3 11374 pw2dvds 11418 oddennn 11479 |
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