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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 13066 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 1 | rpgt0d 13069 | . 2 ⊢ (𝜑 → 0 < 𝐴) |
| 4 | 2, 3 | jca 520 | 1 ⊢ (𝜑 → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 400 ∈ wcel 2142 class class class wbr 5108 ℝcr 11105 0cc0 11106 < clt 11249 ℝ+crp 13022 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-ext 2734 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-sb 2096 df-clab 2741 df-cleq 2754 df-clel 2837 df-rab 3416 df-v 3456 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 13023 |
| This theorem is used by: reclt1d 13079 recgt1d 13080 ltrecd 13084 lerecd 13085 ltrec1d 13086 lerec2d 13087 lediv2ad 13088 ltdiv2d 13089 lediv2d 13090 ledivdivd 13091 divge0d 13106 ltmul1d 13107 ltmul2d 13108 lemul1d 13109 lemul2d 13110 ltdiv1d 13111 lediv1d 13112 ltmuldivd 13113 ltmuldiv2d 13114 lemuldivd 13115 lemuldiv2d 13116 ltdivmuld 13117 ltdivmul2d 13118 ledivmuld 13119 ledivmul2d 13120 ltdiv23d 13133 lediv23d 13134 lt2mul2divd 13135 mertenslem1 15945 isprm6 16779 nmoi 24896 icopnfhmeo 25113 nmoleub2lem3 25285 lmnn 25433 ovolscalem1 25683 aaliou2b 26515 birthdaylem3 27129 fsumharmonic 27187 bcmono 27452 chtppilim 27650 dchrisum0lem1a 27661 dchrvmasumiflem1 27676 dchrisum0lem1b 27690 dchrisum0lem1 27691 mulog2sumlem2 27710 selberg3lem1 27732 pntrsumo1 27740 pntibndlem1 27764 pntibndlem3 27767 pntlemr 27777 pntlemj 27778 ostth3 27813 minvecolem3 31239 lnconi 32396 poimirlem29 38328 poimirlem30 38329 poimirlem31 38330 poimirlem32 38331 aks4d1p1p2 42865 stoweidlem14 46756 stoweidlem34 46776 stoweidlem42 46784 stoweidlem51 46793 stoweidlem59 46801 stirlinglem5 46820 elbigolo1 49365 |
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