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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 13160 | . 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 2147 class class class wbr 5106 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: rpregt0d 13197 ltmulgt11d 13226 ltmulgt12d 13227 gt0divd 13228 ge0divd 13229 lediv12ad 13250 prodge0rd 13256 expgt0 14265 nnesq 14398 bccl2 14494 sgnmulrp2 15290 01sqrexlem7 15444 sqrtgt0d 15609 iseralt 15881 fsumlt 15996 geomulcvg 16074 eirrlem 16401 sqrt2irrlem 16445 prmind2 16889 4sqlem11 17162 4sqlem12 17163 ssblex 24777 nrginvrcn 25041 mulc1cncf 25256 nmoleub2lem2 25467 itg2mulclem 26097 itggt0 26194 dvgt0 26354 ftc1lem5 26390 aaliou3lem2 26700 abelthlem8 26796 tanord 26896 tanregt0 26897 logccv 27021 cxpgt0d 27096 cxpcn3lem 27105 jensenlem2 27345 dmlogdmgm 27381 basellem1 27438 sgmnncl 27504 chpdifbndlem2 27911 pntibndlem1 27946 pntibnd 27950 pntlemc 27952 abvcxp 27972 ostth2lem1 27975 ostth2lem3 27992 ostth2 27994 xrge0iifhom 34639 omssubadd 35002 signsply0 35250 sinccvglem 36604 unblimceq0lem 37550 unbdqndv2lem2 37554 knoppndvlem14 37569 taupilem1 38434 poimirlem29 38759 heicant 38765 itggt0cn 38800 ftc1cnnc 38802 bfplem1 38948 rrncmslem 38958 aks4d1p1 43318 aks6d1c2 43372 irrapxlem4 44025 irrapxlem5 44026 imo72b2lem1 45361 dvdivbd 47138 ioodvbdlimc1lem2 47147 ioodvbdlimc2lem 47149 stoweidlem1 47216 stoweidlem7 47222 stoweidlem11 47226 stoweidlem25 47240 stoweidlem26 47241 stoweidlem34 47249 stoweidlem49 47264 stoweidlem52 47267 stoweidlem60 47275 wallispi 47285 stirlinglem6 47294 stirlinglem11 47299 fourierdlem30 47352 qndenserrnbl 47510 ovnsubaddlem1 47785 hoiqssbllem2 47838 pimrecltpos 47923 smfmullem1 48006 smfmullem2 48007 smfmullem3 48008 |
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