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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 13092 | . 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 5102 ℝcr 11171 0cc0 11172 < clt 11315 ℝ+crp 13090 |
| 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 2732 |
| 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 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-dif 3901 df-un 3903 df-ss 3915 df-nul 4279 df-if 4482 df-sn 4584 df-pr 4586 df-op 4590 df-br 5103 df-rp 13091 |
| This theorem is used by: rpne0 13107 divlt1lt 13161 divle1le 13162 ledivge1le 13163 nnledivrp 13204 modge0 13988 modlt 13989 modid 14005 modmuladdnn0 14027 expnlbnd 14345 o1fsum 15948 isprm6 16853 gexexlem 20028 lmnn 25546 aaliou2b 26632 harmonicbnd4 27302 logfaclbnd 27513 logfacrlim 27515 chto1ub 27767 vmadivsum 27773 dchrmusumlema 27784 dchrvmasumlem2 27789 dchrisum0lem2a 27808 dchrisum0lem2 27809 dchrisum0lem3 27810 mulogsumlem 27822 mulog2sumlem2 27826 selberg2lem 27841 selberg3lem1 27848 pntrmax 27855 pntrsumo1 27856 pntibndlem3 27883 divge1b 49546 divgt1b 49547 |
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