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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 13191 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 1 | rpgt0d 13194 | . 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 2147 class class class wbr 5106 ℝcr 11226 0cc0 11227 < clt 11370 ℝ+crp 13147 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 |
| 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 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4839 df-br 5107 df-rp 13148 |
| This theorem is used by: reclt1d 13204 recgt1d 13205 ltrecd 13209 lerecd 13210 ltrec1d 13211 lerec2d 13212 lediv2ad 13213 ltdiv2d 13214 lediv2d 13215 ledivdivd 13216 divge0d 13231 ltmul1d 13232 ltmul2d 13233 lemul1d 13234 lemul2d 13235 ltdiv1d 13236 lediv1d 13237 ltmuldivd 13238 ltmuldiv2d 13239 lemuldivd 13240 lemuldiv2d 13241 ltdivmuld 13242 ltdivmul2d 13243 ledivmuld 13244 ledivmul2d 13245 ltdiv23d 13258 lediv23d 13259 lt2mul2divd 13260 mertenslem1 16082 isprm6 16919 nmoi 25077 icopnfhmeo 25294 nmoleub2lem3 25466 lmnn 25614 ovolscalem1 25864 aaliou2b 26698 birthdaylem3 27311 fsumharmonic 27369 bcmono 27634 chtppilim 27832 dchrisum0lem1a 27843 dchrvmasumiflem1 27858 dchrisum0lem1b 27872 dchrisum0lem1 27873 mulog2sumlem2 27892 selberg3lem1 27914 pntrsumo1 27922 pntibndlem1 27946 pntibndlem3 27949 pntlemr 27959 pntlemj 27960 ostth3 27995 minvecolem3 31508 lnconi 32665 poimirlem29 38759 poimirlem30 38760 poimirlem31 38761 poimirlem32 38762 aks4d1p1p2 43312 stoweidlem14 47229 stoweidlem34 47249 stoweidlem42 47257 stoweidlem51 47266 stoweidlem59 47274 stirlinglem5 47293 elbigolo1 49874 |
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