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Mirrors > Home > ILE Home > Th. List > nngt0i | GIF version |
Description: A positive integer is positive (inference version). (Contributed by NM, 17-Sep-1999.) |
Ref | Expression |
---|---|
nngt0.1 | ⊢ 𝐴 ∈ ℕ |
Ref | Expression |
---|---|
nngt0i | ⊢ 0 < 𝐴 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nngt0.1 | . 2 ⊢ 𝐴 ∈ ℕ | |
2 | nngt0 8882 | . 2 ⊢ (𝐴 ∈ ℕ → 0 < 𝐴) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ 0 < 𝐴 |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 2136 class class class wbr 3982 0cc0 7753 < clt 7933 ℕcn 8857 |
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 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 ax-un 4411 ax-setind 4514 ax-cnex 7844 ax-resscn 7845 ax-1re 7847 ax-addrcl 7850 ax-0lt1 7859 ax-0id 7861 ax-rnegex 7862 ax-pre-ltirr 7865 ax-pre-ltwlin 7866 ax-pre-lttrn 7867 ax-pre-ltadd 7869 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ne 2337 df-nel 2432 df-ral 2449 df-rex 2450 df-rab 2453 df-v 2728 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-int 3825 df-br 3983 df-opab 4044 df-xp 4610 df-cnv 4612 df-iota 5153 df-fv 5196 df-ov 5845 df-pnf 7935 df-mnf 7936 df-xr 7937 df-ltxr 7938 df-le 7939 df-inn 8858 |
This theorem is referenced by: nnap0i 8888 nnne0i 8889 10pos 9338 numltc 9347 declei 9357 numlti 9358 ef01bndlem 11697 pockthi 12288 |
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