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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 13027 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 1 | rpgt0d 13030 | . 2 ⊢ (𝜑 → 0 < 𝐴) |
| 4 | 2, 3 | jca 518 | 1 ⊢ (𝜑 → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 398 ∈ wcel 2136 class class class wbr 5094 ℝcr 11062 0cc0 11063 < clt 11206 ℝ+crp 12983 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1809 ax-4 1823 ax-5 1924 ax-6 1981 ax-7 2022 ax-8 2138 ax-9 2146 ax-ext 2728 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3an 1097 df-tru 1557 df-fal 1567 df-ex 1794 df-sb 2085 df-clab 2735 df-cleq 2748 df-clel 2831 df-rab 3409 df-v 3450 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4281 df-if 4475 df-sn 4577 df-pr 4579 df-op 4583 df-br 5095 df-rp 12984 |
| This theorem is referenced by: reclt1d 13040 recgt1d 13041 ltrecd 13045 lerecd 13046 ltrec1d 13047 lerec2d 13048 lediv2ad 13049 ltdiv2d 13050 lediv2d 13051 ledivdivd 13052 divge0d 13067 ltmul1d 13068 ltmul2d 13069 lemul1d 13070 lemul2d 13071 ltdiv1d 13072 lediv1d 13073 ltmuldivd 13074 ltmuldiv2d 13075 lemuldivd 13076 lemuldiv2d 13077 ltdivmuld 13078 ltdivmul2d 13079 ledivmuld 13080 ledivmul2d 13081 ltdiv23d 13094 lediv23d 13095 lt2mul2divd 13096 mertenslem1 15890 isprm6 16725 nmoi 24761 icopnfhmeo 24978 nmoleub2lem3 25150 lmnn 25298 ovolscalem1 25548 aaliou2b 26375 birthdaylem3 26988 fsumharmonic 27046 bcmono 27311 chtppilim 27509 dchrisum0lem1a 27520 dchrvmasumiflem1 27535 dchrisum0lem1b 27549 dchrisum0lem1 27550 mulog2sumlem2 27569 selberg3lem1 27591 pntrsumo1 27599 pntibndlem1 27623 pntibndlem3 27626 pntlemr 27636 pntlemj 27637 ostth3 27672 minvecolem3 31018 lnconi 32175 poimirlem29 38096 poimirlem30 38097 poimirlem31 38098 poimirlem32 38099 aks4d1p1p2 42635 stoweidlem14 46536 stoweidlem34 46556 stoweidlem42 46564 stoweidlem51 46573 stoweidlem59 46581 stirlinglem5 46600 elbigolo1 49127 |
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