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| Mirrors > Home > MPE Home > Th. List > rpregt0 | Structured version Visualization version GIF version | ||
| Description: A positive real is a positive real number. (Contributed by NM, 11-Nov-2008.) (Revised by Mario Carneiro, 31-Jan-2014.) |
| Ref | Expression |
|---|---|
| rpregt0 | ⊢ (𝐴 ∈ ℝ+ → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elrp 12985 | . 2 ⊢ (𝐴 ∈ ℝ+ ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴)) | |
| 2 | 1 | biimpi 218 | 1 ⊢ (𝐴 ∈ ℝ+ → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 398 ∈ wcel 2136 class class class wbr 5094 ℝcr 11062 0cc0 11063 < clt 11206 ℝ+crp 12983 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1809 ax-4 1823 ax-5 1924 ax-6 1981 ax-7 2022 ax-8 2138 ax-9 2146 ax-ext 2728 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3an 1097 df-tru 1557 df-fal 1567 df-ex 1794 df-sb 2085 df-clab 2735 df-cleq 2748 df-clel 2831 df-rab 3409 df-v 3450 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4281 df-if 4475 df-sn 4577 df-pr 4579 df-op 4583 df-br 5095 df-rp 12984 |
| This theorem is referenced by: rpne0 13000 divlt1lt 13054 divle1le 13055 ledivge1le 13056 nnledivrp 13097 modge0 13879 modlt 13880 modid 13896 modmuladdnn0 13918 expnlbnd 14236 o1fsum 15817 isprm6 16725 gexexlem 19868 lmnn 25298 aaliou2b 26375 harmonicbnd4 27045 logfaclbnd 27256 logfacrlim 27258 chto1ub 27510 vmadivsum 27516 dchrmusumlema 27527 dchrvmasumlem2 27532 dchrisum0lem2a 27551 dchrisum0lem2 27552 dchrisum0lem3 27553 mulogsumlem 27565 mulog2sumlem2 27569 selberg2lem 27584 selberg3lem1 27591 pntrmax 27598 pntrsumo1 27599 pntibndlem3 27626 divge1b 49082 divgt1b 49083 |
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