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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 12975 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 1 | rpgt0d 12978 | . 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 11026 0cc0 11027 < clt 11168 ℝ+crp 12931 |
| 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 12932 |
| This theorem is referenced by: reclt1d 12988 recgt1d 12989 ltrecd 12993 lerecd 12994 ltrec1d 12995 lerec2d 12996 lediv2ad 12997 ltdiv2d 12998 lediv2d 12999 ledivdivd 13000 divge0d 13015 ltmul1d 13016 ltmul2d 13017 lemul1d 13018 lemul2d 13019 ltdiv1d 13020 lediv1d 13021 ltmuldivd 13022 ltmuldiv2d 13023 lemuldivd 13024 lemuldiv2d 13025 ltdivmuld 13026 ltdivmul2d 13027 ledivmuld 13028 ledivmul2d 13029 ltdiv23d 13042 lediv23d 13043 lt2mul2divd 13044 mertenslem1 15838 isprm6 16673 nmoi 24702 icopnfhmeo 24919 nmoleub2lem3 25091 lmnn 25239 ovolscalem1 25489 aaliou2b 26320 birthdaylem3 26934 fsumharmonic 26993 bcmono 27259 chtppilim 27457 dchrisum0lem1a 27468 dchrvmasumiflem1 27483 dchrisum0lem1b 27497 dchrisum0lem1 27498 mulog2sumlem2 27517 selberg3lem1 27539 pntrsumo1 27547 pntibndlem1 27571 pntibndlem3 27574 pntlemr 27584 pntlemj 27585 ostth3 27620 minvecolem3 30967 lnconi 32124 poimirlem29 37981 poimirlem30 37982 poimirlem31 37983 poimirlem32 37984 aks4d1p1p2 42520 stoweidlem14 46457 stoweidlem34 46477 stoweidlem42 46485 stoweidlem51 46494 stoweidlem59 46502 stirlinglem5 46521 elbigolo1 49030 |
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