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| Mirrors > Home > ILE Home > Th. List > elnnnn0c | Unicode version | ||
| Description: The positive integer property expressed in terms of nonnegative integers. (Contributed by NM, 10-Jan-2006.) |
| Ref | Expression |
|---|---|
| elnnnn0c |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnnn0 9339 |
. . 3
| |
| 2 | nnge1 9096 |
. . 3
| |
| 3 | 1, 2 | jca 306 |
. 2
|
| 4 | 0lt1 8236 |
. . . . 5
| |
| 5 | nn0re 9341 |
. . . . . 6
| |
| 6 | 0re 8109 |
. . . . . . 7
| |
| 7 | 1re 8108 |
. . . . . . 7
| |
| 8 | ltletr 8199 |
. . . . . . 7
| |
| 9 | 6, 7, 8 | mp3an12 1340 |
. . . . . 6
|
| 10 | 5, 9 | syl 14 |
. . . . 5
|
| 11 | 4, 10 | mpani 430 |
. . . 4
|
| 12 | 11 | imdistani 445 |
. . 3
|
| 13 | elnnnn0b 9376 |
. . 3
| |
| 14 | 12, 13 | sylibr 134 |
. 2
|
| 15 | 3, 14 | impbii 126 |
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 615 ax-in2 616 ax-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2180 ax-14 2181 ax-ext 2189 ax-sep 4179 ax-pow 4235 ax-pr 4270 ax-un 4499 ax-setind 4604 ax-cnex 8053 ax-resscn 8054 ax-1cn 8055 ax-1re 8056 ax-icn 8057 ax-addcl 8058 ax-addrcl 8059 ax-mulcl 8060 ax-i2m1 8067 ax-0lt1 8068 ax-0id 8070 ax-rnegex 8071 ax-pre-ltirr 8074 ax-pre-ltwlin 8075 ax-pre-lttrn 8076 ax-pre-ltadd 8078 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-ne 2379 df-nel 2474 df-ral 2491 df-rex 2492 df-rab 2495 df-v 2779 df-dif 3177 df-un 3179 df-in 3181 df-ss 3188 df-pw 3629 df-sn 3650 df-pr 3651 df-op 3653 df-uni 3866 df-int 3901 df-br 4061 df-opab 4123 df-xp 4700 df-cnv 4702 df-iota 5252 df-fv 5299 df-ov 5972 df-pnf 8146 df-mnf 8147 df-xr 8148 df-ltxr 8149 df-le 8150 df-inn 9074 df-n0 9333 |
| This theorem is referenced by: nn0ge2m1nn 9392 wrdsymb1 11069 lswccats1fst 11136 nn0o1gt2 12377 pcelnn 12805 lgsabs1 15677 |
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