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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 13051 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 1 | rpgt0d 13054 | . 2 ⊢ (𝜑 → 0 < 𝐴) |
| 4 | 2, 3 | jca 520 | 1 ⊢ (𝜑 → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∈ wcel 2145 class class class wbr 5105 ℝcr 11087 0cc0 11088 < clt 11231 ℝ+crp 13007 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-ext 2737 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-sb 2094 df-clab 2744 df-cleq 2757 df-clel 2840 df-rab 3418 df-v 3459 df-dif 3910 df-un 3912 df-ss 3924 df-nul 4289 df-if 4484 df-sn 4586 df-pr 4588 df-op 4592 df-br 5106 df-rp 13008 |
| This theorem is referenced by: reclt1d 13064 recgt1d 13065 ltrecd 13069 lerecd 13070 ltrec1d 13071 lerec2d 13072 lediv2ad 13073 ltdiv2d 13074 lediv2d 13075 ledivdivd 13076 divge0d 13091 ltmul1d 13092 ltmul2d 13093 lemul1d 13094 lemul2d 13095 ltdiv1d 13096 lediv1d 13097 ltmuldivd 13098 ltmuldiv2d 13099 lemuldivd 13100 lemuldiv2d 13101 ltdivmuld 13102 ltdivmul2d 13103 ledivmuld 13104 ledivmul2d 13105 ltdiv23d 13118 lediv23d 13119 lt2mul2divd 13120 mertenslem1 15928 isprm6 16763 nmoi 24846 icopnfhmeo 25063 nmoleub2lem3 25235 lmnn 25383 ovolscalem1 25633 aaliou2b 26463 birthdaylem3 27076 fsumharmonic 27134 bcmono 27399 chtppilim 27597 dchrisum0lem1a 27608 dchrvmasumiflem1 27623 dchrisum0lem1b 27637 dchrisum0lem1 27638 mulog2sumlem2 27657 selberg3lem1 27679 pntrsumo1 27687 pntibndlem1 27711 pntibndlem3 27714 pntlemr 27724 pntlemj 27725 ostth3 27760 minvecolem3 31137 lnconi 32294 poimirlem29 38160 poimirlem30 38161 poimirlem31 38162 poimirlem32 38163 aks4d1p1p2 42699 stoweidlem14 46586 stoweidlem34 46606 stoweidlem42 46614 stoweidlem51 46623 stoweidlem59 46631 stirlinglem5 46650 elbigolo1 49188 |
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