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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 12937 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 1 | rpgt0d 12940 | . 2 ⊢ (𝜑 → 0 < 𝐴) |
| 4 | 2, 3 | jca 511 | 1 ⊢ (𝜑 → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2109 class class class wbr 5092 ℝcr 11008 0cc0 11009 < clt 11149 ℝ+crp 12893 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2701 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-sb 2066 df-clab 2708 df-cleq 2721 df-clel 2803 df-rab 3395 df-v 3438 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4285 df-if 4477 df-sn 4578 df-pr 4580 df-op 4584 df-br 5093 df-rp 12894 |
| This theorem is referenced by: reclt1d 12950 recgt1d 12951 ltrecd 12955 lerecd 12956 ltrec1d 12957 lerec2d 12958 lediv2ad 12959 ltdiv2d 12960 lediv2d 12961 ledivdivd 12962 divge0d 12977 ltmul1d 12978 ltmul2d 12979 lemul1d 12980 lemul2d 12981 ltdiv1d 12982 lediv1d 12983 ltmuldivd 12984 ltmuldiv2d 12985 lemuldivd 12986 lemuldiv2d 12987 ltdivmuld 12988 ltdivmul2d 12989 ledivmuld 12990 ledivmul2d 12991 ltdiv23d 13004 lediv23d 13005 lt2mul2divd 13006 mertenslem1 15791 isprm6 16625 nmoi 24614 icopnfhmeo 24839 nmoleub2lem3 25013 lmnn 25161 ovolscalem1 25412 aaliou2b 26247 birthdaylem3 26861 fsumharmonic 26920 bcmono 27186 chtppilim 27384 dchrisum0lem1a 27395 dchrvmasumiflem1 27410 dchrisum0lem1b 27424 dchrisum0lem1 27425 mulog2sumlem2 27444 selberg3lem1 27466 pntrsumo1 27474 pntibndlem1 27498 pntibndlem3 27501 pntlemr 27511 pntlemj 27512 ostth3 27547 minvecolem3 30824 lnconi 31981 poimirlem29 37649 poimirlem30 37650 poimirlem31 37651 poimirlem32 37652 aks4d1p1p2 42063 stoweidlem14 46015 stoweidlem34 46035 stoweidlem42 46043 stoweidlem51 46052 stoweidlem59 46060 stirlinglem5 46079 elbigolo1 48562 |
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