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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 13046 | . 2 ⊢ (𝐴 ∈ ℝ+ ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴)) | |
| 2 | 1 | biimpi 219 | 1 ⊢ (𝐴 ∈ ℝ+ → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2145 class class class wbr 5107 ℝcr 11126 0cc0 11127 < clt 11270 ℝ+crp 13044 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2734 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2741 df-cleq 2754 df-clel 2837 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4283 df-if 4486 df-sn 4588 df-pr 4590 df-op 4594 df-br 5108 df-rp 13045 |
| This theorem is used by: rpne0 13061 divlt1lt 13115 divle1le 13116 ledivge1le 13117 nnledivrp 13158 modge0 13942 modlt 13943 modid 13959 modmuladdnn0 13981 expnlbnd 14299 o1fsum 15902 isprm6 16809 gexexlem 19983 lmnn 25495 aaliou2b 26577 harmonicbnd4 27248 logfaclbnd 27459 logfacrlim 27461 chto1ub 27713 vmadivsum 27719 dchrmusumlema 27730 dchrvmasumlem2 27735 dchrisum0lem2a 27754 dchrisum0lem2 27755 dchrisum0lem3 27756 mulogsumlem 27768 mulog2sumlem2 27772 selberg2lem 27787 selberg3lem1 27794 pntrmax 27801 pntrsumo1 27802 pntibndlem3 27829 divge1b 49444 divgt1b 49445 |
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