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| Mirrors > Home > MPE Home > Th. List > rpregt0d | Structured version Visualization version GIF version | ||
| Description: A positive real is real and greater than zero. (Contributed by Mario Carneiro, 28-May-2016.) |
| Ref | Expression |
|---|---|
| rpred.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ+) |
| Ref | Expression |
|---|---|
| rpregt0d | ⊢ (𝜑 → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rpred.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ+) | |
| 2 | 1 | rpred 12984 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 1 | rpgt0d 12987 | . 2 ⊢ (𝜑 → 0 < 𝐴) |
| 4 | 2, 3 | jca 516 | 1 ⊢ (𝜑 → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 396 ∈ wcel 2119 class class class wbr 5079 ℝcr 11035 0cc0 11036 < clt 11177 ℝ+crp 12940 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2712 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2719 df-cleq 2732 df-clel 2815 df-rab 3393 df-v 3434 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4269 df-if 4462 df-sn 4563 df-pr 4565 df-op 4569 df-br 5080 df-rp 12941 |
| This theorem is referenced by: reclt1d 12997 recgt1d 12998 ltrecd 13002 lerecd 13003 ltrec1d 13004 lerec2d 13005 lediv2ad 13006 ltdiv2d 13007 lediv2d 13008 ledivdivd 13009 divge0d 13024 ltmul1d 13025 ltmul2d 13026 lemul1d 13027 lemul2d 13028 ltdiv1d 13029 lediv1d 13030 ltmuldivd 13031 ltmuldiv2d 13032 lemuldivd 13033 lemuldiv2d 13034 ltdivmuld 13035 ltdivmul2d 13036 ledivmuld 13037 ledivmul2d 13038 ltdiv23d 13051 lediv23d 13052 lt2mul2divd 13053 mertenslem1 15847 isprm6 16682 nmoi 24718 icopnfhmeo 24935 nmoleub2lem3 25107 lmnn 25255 ovolscalem1 25505 aaliou2b 26332 birthdaylem3 26942 fsumharmonic 27000 bcmono 27265 chtppilim 27463 dchrisum0lem1a 27474 dchrvmasumiflem1 27489 dchrisum0lem1b 27503 dchrisum0lem1 27504 mulog2sumlem2 27523 selberg3lem1 27545 pntrsumo1 27553 pntibndlem1 27577 pntibndlem3 27580 pntlemr 27590 pntlemj 27591 ostth3 27626 minvecolem3 30972 lnconi 32129 poimirlem29 38017 poimirlem30 38018 poimirlem31 38019 poimirlem32 38020 aks4d1p1p2 42556 stoweidlem14 46458 stoweidlem34 46478 stoweidlem42 46486 stoweidlem51 46495 stoweidlem59 46503 stirlinglem5 46522 elbigolo1 49049 |
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