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Mirrors > Home > ILE Home > Th. List > elnnnn0b | Unicode version |
Description: The positive integer property expressed in terms of nonnegative integers. (Contributed by NM, 1-Sep-2005.) |
Ref | Expression |
---|---|
elnnnn0b |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnnn0 8295 | . . 3 | |
2 | nngt0 8064 | . . 3 | |
3 | 1, 2 | jca 300 | . 2 |
4 | elnn0 8290 | . . . 4 | |
5 | ax-1 5 | . . . . 5 | |
6 | breq2 3789 | . . . . . 6 | |
7 | 0re 7119 | . . . . . . . 8 | |
8 | 7 | ltnri 7203 | . . . . . . 7 |
9 | 8 | pm2.21i 607 | . . . . . 6 |
10 | 6, 9 | syl6bi 161 | . . . . 5 |
11 | 5, 10 | jaoi 668 | . . . 4 |
12 | 4, 11 | sylbi 119 | . . 3 |
13 | 12 | imp 122 | . 2 |
14 | 3, 13 | impbii 124 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 102 wb 103 wo 661 wceq 1284 wcel 1433 class class class wbr 3785 cc0 6981 clt 7153 cn 8039 cn0 8288 |
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 576 ax-in2 577 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-13 1444 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-sep 3896 ax-pow 3948 ax-pr 3964 ax-un 4188 ax-setind 4280 ax-cnex 7067 ax-resscn 7068 ax-1cn 7069 ax-1re 7070 ax-icn 7071 ax-addcl 7072 ax-addrcl 7073 ax-mulcl 7074 ax-i2m1 7081 ax-0lt1 7082 ax-0id 7084 ax-rnegex 7085 ax-pre-ltirr 7088 ax-pre-ltwlin 7089 ax-pre-lttrn 7090 ax-pre-ltadd 7092 |
This theorem depends on definitions: df-bi 115 df-3an 921 df-tru 1287 df-fal 1290 df-nf 1390 df-sb 1686 df-eu 1944 df-mo 1945 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ne 2246 df-nel 2340 df-ral 2353 df-rex 2354 df-rab 2357 df-v 2603 df-dif 2975 df-un 2977 df-in 2979 df-ss 2986 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-uni 3602 df-int 3637 df-br 3786 df-opab 3840 df-xp 4369 df-cnv 4371 df-iota 4887 df-fv 4930 df-ov 5535 df-pnf 7155 df-mnf 7156 df-xr 7157 df-ltxr 7158 df-le 7159 df-inn 8040 df-n0 8289 |
This theorem is referenced by: elnnnn0c 8333 bccl2 9695 bezoutlemmain 10387 |
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