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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 13059 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 1 | rpgt0d 13062 | . 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 2141 class class class wbr 5108 ℝcr 11098 0cc0 11099 < clt 11242 ℝ+crp 13015 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-4 1837 ax-5 1938 ax-6 1995 ax-7 2036 ax-8 2143 ax-9 2151 ax-ext 2733 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1571 df-fal 1581 df-ex 1808 df-sb 2095 df-clab 2740 df-cleq 2753 df-clel 2836 df-rab 3415 df-v 3455 df-dif 3907 df-un 3909 df-ss 3921 df-nul 4286 df-if 4487 df-sn 4589 df-pr 4591 df-op 4595 df-br 5109 df-rp 13016 |
| This theorem is referenced by: reclt1d 13072 recgt1d 13073 ltrecd 13077 lerecd 13078 ltrec1d 13079 lerec2d 13080 lediv2ad 13081 ltdiv2d 13082 lediv2d 13083 ledivdivd 13084 divge0d 13099 ltmul1d 13100 ltmul2d 13101 lemul1d 13102 lemul2d 13103 ltdiv1d 13104 lediv1d 13105 ltmuldivd 13106 ltmuldiv2d 13107 lemuldivd 13108 lemuldiv2d 13109 ltdivmuld 13110 ltdivmul2d 13111 ledivmuld 13112 ledivmul2d 13113 ltdiv23d 13126 lediv23d 13127 lt2mul2divd 13128 mertenslem1 15938 isprm6 16772 nmoi 24864 icopnfhmeo 25081 nmoleub2lem3 25253 lmnn 25401 ovolscalem1 25651 aaliou2b 26481 birthdaylem3 27094 fsumharmonic 27152 bcmono 27417 chtppilim 27615 dchrisum0lem1a 27626 dchrvmasumiflem1 27641 dchrisum0lem1b 27655 dchrisum0lem1 27656 mulog2sumlem2 27675 selberg3lem1 27697 pntrsumo1 27705 pntibndlem1 27729 pntibndlem3 27732 pntlemr 27742 pntlemj 27743 ostth3 27778 minvecolem3 31194 lnconi 32351 poimirlem29 38266 poimirlem30 38267 poimirlem31 38268 poimirlem32 38269 aks4d1p1p2 42805 stoweidlem14 46698 stoweidlem34 46718 stoweidlem42 46726 stoweidlem51 46735 stoweidlem59 46743 stirlinglem5 46762 elbigolo1 49304 |
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