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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 13088 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 1 | rpgt0d 13091 | . 2 ⊢ (𝜑 → 0 < 𝐴) |
| 4 | 2, 3 | jca 521 | 1 ⊢ (𝜑 → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2145 class class class wbr 5107 ℝcr 11126 0cc0 11127 < clt 11270 ℝ+crp 13044 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2734 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2741 df-cleq 2754 df-clel 2837 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4283 df-if 4486 df-sn 4588 df-pr 4590 df-op 4594 df-br 5108 df-rp 13045 |
| This theorem is used by: reclt1d 13101 recgt1d 13102 ltrecd 13106 lerecd 13107 ltrec1d 13108 lerec2d 13109 lediv2ad 13110 ltdiv2d 13111 lediv2d 13112 ledivdivd 13113 divge0d 13128 ltmul1d 13129 ltmul2d 13130 lemul1d 13131 lemul2d 13132 ltdiv1d 13133 lediv1d 13134 ltmuldivd 13135 ltmuldiv2d 13136 lemuldivd 13137 lemuldiv2d 13138 ltdivmuld 13139 ltdivmul2d 13140 ledivmuld 13141 ledivmul2d 13142 ltdiv23d 13155 lediv23d 13156 lt2mul2divd 13157 mertenslem1 15975 isprm6 16809 nmoi 24958 icopnfhmeo 25175 nmoleub2lem3 25347 lmnn 25495 ovolscalem1 25745 aaliou2b 26577 birthdaylem3 27191 fsumharmonic 27249 bcmono 27514 chtppilim 27712 dchrisum0lem1a 27723 dchrvmasumiflem1 27738 dchrisum0lem1b 27752 dchrisum0lem1 27753 mulog2sumlem2 27772 selberg3lem1 27794 pntrsumo1 27802 pntibndlem1 27826 pntibndlem3 27829 pntlemr 27839 pntlemj 27840 ostth3 27875 minvecolem3 31358 lnconi 32515 poimirlem29 38400 poimirlem30 38401 poimirlem31 38402 poimirlem32 38403 aks4d1p1p2 42938 stoweidlem14 46844 stoweidlem34 46864 stoweidlem42 46872 stoweidlem51 46881 stoweidlem59 46889 stirlinglem5 46908 elbigolo1 49489 |
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