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| Mirrors > Home > ILE Home > Th. List > nnrp | GIF version | ||
| Description: A positive integer is a positive real. (Contributed by NM, 28-Nov-2008.) |
| Ref | Expression |
|---|---|
| nnrp | ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℝ+) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnre 9128 | . 2 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℝ) | |
| 2 | nngt0 9146 | . 2 ⊢ (𝐴 ∈ ℕ → 0 < 𝐴) | |
| 3 | elrp 9863 | . 2 ⊢ (𝐴 ∈ ℝ+ ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴)) | |
| 4 | 1, 2, 3 | sylanbrc 417 | 1 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℝ+) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2200 class class class wbr 4083 ℝcr 8009 0cc0 8010 < clt 8192 ℕcn 9121 ℝ+crp 9861 |
| 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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4258 ax-pr 4293 ax-un 4524 ax-setind 4629 ax-cnex 8101 ax-resscn 8102 ax-1re 8104 ax-addrcl 8107 ax-0lt1 8116 ax-0id 8118 ax-rnegex 8119 ax-pre-ltirr 8122 ax-pre-ltwlin 8123 ax-pre-lttrn 8124 ax-pre-ltadd 8126 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2801 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-br 4084 df-opab 4146 df-xp 4725 df-cnv 4727 df-iota 5278 df-fv 5326 df-ov 6010 df-pnf 8194 df-mnf 8195 df-xr 8196 df-ltxr 8197 df-le 8198 df-inn 9122 df-rp 9862 |
| This theorem is referenced by: nnrpd 9902 nn0ledivnn 9975 adddivflid 10524 divfl0 10528 nnesq 10893 bcrpcl 10987 lswccatn0lsw 11159 expcnvap0 12028 dvdsmodexp 12321 flodddiv4 12462 isprm6 12684 sqrt2irr 12699 pythagtriplem13 12814 4sqlem12 12940 modxai 12954 cxpexpnn 15585 logbgcd1irr 15656 sqrt2cxp2logb9e3 15664 gausslemma2dlem1a 15752 gausslemma2dlem4 15758 |
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