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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 13059 | . 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 2145 class class class wbr 5107 0cc0 11128 < clt 11271 ℝ+crp 13046 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2734 |
| 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 2100 df-clab 2741 df-cleq 2754 df-clel 2837 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4283 df-if 4486 df-sn 4588 df-pr 4590 df-op 4594 df-br 5108 df-rp 13047 |
| This theorem is used by: rpregt0d 13096 ltmulgt11d 13125 ltmulgt12d 13126 gt0divd 13127 ge0divd 13128 lediv12ad 13149 prodge0rd 13155 expgt0 14163 nnesq 14295 bccl2 14391 sgnmulrp2 15185 01sqrexlem7 15339 sqrtgt0d 15504 iseralt 15776 fsumlt 15891 geomulcvg 15969 eirrlem 16298 sqrt2irrlem 16342 prmind2 16781 4sqlem11 17053 4sqlem12 17054 ssblex 24660 nrginvrcn 24924 mulc1cncf 25139 nmoleub2lem2 25350 itg2mulclem 25980 itggt0 26078 dvgt0 26238 ftc1lem5 26274 aaliou3lem2 26586 abelthlem8 26682 tanord 26783 tanregt0 26784 logccv 26908 cxpgt0d 26983 cxpcn3lem 26992 jensenlem2 27232 dmlogdmgm 27268 basellem1 27325 sgmnncl 27391 chpdifbndlem2 27798 pntibndlem1 27833 pntibnd 27837 pntlemc 27839 abvcxp 27859 ostth2lem1 27862 ostth2lem3 27879 ostth2 27881 xrge0iifhom 34455 omssubadd 34819 signsply0 35067 sinccvglem 36259 unblimceq0lem 37211 unbdqndv2lem2 37215 knoppndvlem14 37230 taupilem1 38081 poimirlem29 38406 heicant 38412 itggt0cn 38447 ftc1cnnc 38449 bfplem1 38580 rrncmslem 38590 aks4d1p1 42950 aks6d1c2 43004 irrapxlem4 43674 irrapxlem5 43675 imo72b2lem1 45017 dvdivbd 46759 ioodvbdlimc1lem2 46768 ioodvbdlimc2lem 46770 stoweidlem1 46837 stoweidlem7 46843 stoweidlem11 46847 stoweidlem25 46861 stoweidlem26 46862 stoweidlem34 46870 stoweidlem49 46885 stoweidlem52 46888 stoweidlem60 46896 wallispi 46906 stirlinglem6 46915 stirlinglem11 46920 fourierdlem30 46973 qndenserrnbl 47131 ovnsubaddlem1 47406 hoiqssbllem2 47459 pimrecltpos 47544 smfmullem1 47627 smfmullem2 47628 smfmullem3 47629 |
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