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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 12986 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 1 | rpgt0d 12989 | . 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 2114 class class class wbr 5086 ℝcr 11037 0cc0 11038 < clt 11179 ℝ+crp 12942 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-br 5087 df-rp 12943 |
| This theorem is referenced by: reclt1d 12999 recgt1d 13000 ltrecd 13004 lerecd 13005 ltrec1d 13006 lerec2d 13007 lediv2ad 13008 ltdiv2d 13009 lediv2d 13010 ledivdivd 13011 divge0d 13026 ltmul1d 13027 ltmul2d 13028 lemul1d 13029 lemul2d 13030 ltdiv1d 13031 lediv1d 13032 ltmuldivd 13033 ltmuldiv2d 13034 lemuldivd 13035 lemuldiv2d 13036 ltdivmuld 13037 ltdivmul2d 13038 ledivmuld 13039 ledivmul2d 13040 ltdiv23d 13053 lediv23d 13054 lt2mul2divd 13055 mertenslem1 15849 isprm6 16684 nmoi 24693 icopnfhmeo 24910 nmoleub2lem3 25082 lmnn 25230 ovolscalem1 25480 aaliou2b 26307 birthdaylem3 26917 fsumharmonic 26975 bcmono 27240 chtppilim 27438 dchrisum0lem1a 27449 dchrvmasumiflem1 27464 dchrisum0lem1b 27478 dchrisum0lem1 27479 mulog2sumlem2 27498 selberg3lem1 27520 pntrsumo1 27528 pntibndlem1 27552 pntibndlem3 27555 pntlemr 27565 pntlemj 27566 ostth3 27601 minvecolem3 30947 lnconi 32104 poimirlem29 37970 poimirlem30 37971 poimirlem31 37972 poimirlem32 37973 aks4d1p1p2 42509 stoweidlem14 46442 stoweidlem34 46462 stoweidlem42 46470 stoweidlem51 46479 stoweidlem59 46487 stirlinglem5 46506 elbigolo1 49027 |
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