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| Mirrors > Home > MPE Home > Th. List > rpgt0d | Structured version Visualization version GIF version | ||
| Description: A positive real is greater than zero. (Contributed by Mario Carneiro, 28-May-2016.) |
| Ref | Expression |
|---|---|
| rpred.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ+) |
| Ref | Expression |
|---|---|
| rpgt0d | ⊢ (𝜑 → 0 < 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rpred.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ+) | |
| 2 | rpgt0 13136 | . 2 ⊢ (𝐴 ∈ ℝ+ → 0 < 𝐴) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → 0 < 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2144 class class class wbr 5102 0cc0 11203 < clt 11346 ℝ+crp 13123 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-un 4151 df-nul 4279 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-br 5103 df-rp 13124 |
| This theorem is used by: rpregt0d 13173 ltmulgt11d 13202 ltmulgt12d 13203 gt0divd 13204 ge0divd 13205 lediv12ad 13226 prodge0rd 13232 expgt0 14241 nnesq 14374 bccl2 14470 sgnmulrp2 15266 01sqrexlem7 15420 sqrtgt0d 15585 iseralt 15857 fsumlt 15972 geomulcvg 16050 eirrlem 16377 sqrt2irrlem 16421 prmind2 16865 4sqlem11 17138 4sqlem12 17139 ssblex 24752 nrginvrcn 25016 mulc1cncf 25231 nmoleub2lem2 25442 itg2mulclem 26072 itggt0 26169 dvgt0 26329 ftc1lem5 26365 aaliou3lem2 26675 abelthlem8 26771 tanord 26871 tanregt0 26872 logccv 26996 cxpgt0d 27071 cxpcn3lem 27080 jensenlem2 27320 dmlogdmgm 27356 basellem1 27413 sgmnncl 27479 chpdifbndlem2 27886 pntibndlem1 27921 pntibnd 27925 pntlemc 27927 abvcxp 27947 ostth2lem1 27950 ostth2lem3 27967 ostth2 27969 xrge0iifhom 34615 omssubadd 34978 signsply0 35226 sinccvglem 36523 unblimceq0lem 37464 unbdqndv2lem2 37468 knoppndvlem14 37483 taupilem1 38335 poimirlem29 38660 heicant 38666 itggt0cn 38701 ftc1cnnc 38703 bfplem1 38849 rrncmslem 38859 aks4d1p1 43219 aks6d1c2 43273 irrapxlem4 43925 irrapxlem5 43926 imo72b2lem1 45262 dvdivbd 47026 ioodvbdlimc1lem2 47035 ioodvbdlimc2lem 47037 stoweidlem1 47104 stoweidlem7 47110 stoweidlem11 47114 stoweidlem25 47128 stoweidlem26 47129 stoweidlem34 47137 stoweidlem49 47152 stoweidlem52 47155 stoweidlem60 47163 wallispi 47173 stirlinglem6 47182 stirlinglem11 47187 fourierdlem30 47240 qndenserrnbl 47398 ovnsubaddlem1 47673 hoiqssbllem2 47726 pimrecltpos 47811 smfmullem1 47894 smfmullem2 47895 smfmullem3 47896 |
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