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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 13020 | . 2 ⊢ (𝐴 ∈ ℝ+ → 0 < 𝐴) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → 0 < 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2145 class class class wbr 5105 0cc0 11088 < clt 11231 ℝ+crp 13007 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-ext 2737 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-sb 2094 df-clab 2744 df-cleq 2757 df-clel 2840 df-rab 3418 df-v 3459 df-dif 3910 df-un 3912 df-ss 3924 df-nul 4289 df-if 4484 df-sn 4586 df-pr 4588 df-op 4592 df-br 5106 df-rp 13008 |
| This theorem is referenced by: rpregt0d 13057 ltmulgt11d 13086 ltmulgt12d 13087 gt0divd 13088 ge0divd 13089 lediv12ad 13110 prodge0rd 13116 expgt0 14122 nnesq 14254 bccl2 14350 sgnmulrp2 15135 01sqrexlem7 15289 sqrtgt0d 15454 iseralt 15726 fsumlt 15842 geomulcvg 15920 eirrlem 16250 sqrt2irrlem 16294 prmind2 16733 4sqlem11 17005 4sqlem12 17006 ssblex 24546 nrginvrcn 24810 mulc1cncf 25025 nmoleub2lem2 25236 itg2mulclem 25866 itggt0 25964 dvgt0 26124 ftc1lem5 26160 aaliou3lem2 26465 abelthlem8 26560 tanord 26661 tanregt0 26662 logccv 26786 cxpgt0d 26861 cxpcn3lem 26870 jensenlem2 27110 dmlogdmgm 27146 basellem1 27203 sgmnncl 27269 chpdifbndlem2 27676 pntibndlem1 27711 pntibnd 27715 pntlemc 27717 abvcxp 27737 ostth2lem1 27740 ostth2lem3 27757 ostth2 27759 xrge0iifhom 34244 omssubadd 34607 signsply0 34855 sinccvglem 36035 unblimceq0lem 36957 unbdqndv2lem2 36961 knoppndvlem14 36976 taupilem1 37825 poimirlem29 38160 heicant 38166 itggt0cn 38201 ftc1cnnc 38203 bfplem1 38333 rrncmslem 38343 aks4d1p1 42705 aks6d1c2 42759 irrapxlem4 43414 irrapxlem5 43415 imo72b2lem1 44757 dvdivbd 46495 ioodvbdlimc1lem2 46504 ioodvbdlimc2lem 46506 stoweidlem1 46573 stoweidlem7 46579 stoweidlem11 46583 stoweidlem25 46597 stoweidlem26 46598 stoweidlem34 46606 stoweidlem49 46621 stoweidlem52 46624 stoweidlem60 46632 wallispi 46642 stirlinglem6 46651 stirlinglem11 46656 fourierdlem30 46709 qndenserrnbl 46867 ovnsubaddlem1 47142 hoiqssbllem2 47195 pimrecltpos 47280 smfmullem1 47363 smfmullem2 47364 smfmullem3 47365 |
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