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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 13114 | . 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 5103 0cc0 11181 < clt 11324 ℝ+crp 13101 |
| 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 2733 |
| 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 2740 df-cleq 2753 df-clel 2836 df-rab 3414 df-v 3453 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-br 5104 df-rp 13102 |
| This theorem is used by: rpregt0d 13151 ltmulgt11d 13180 ltmulgt12d 13181 gt0divd 13182 ge0divd 13183 lediv12ad 13204 prodge0rd 13210 expgt0 14218 nnesq 14351 bccl2 14447 sgnmulrp2 15241 01sqrexlem7 15395 sqrtgt0d 15560 iseralt 15832 fsumlt 15947 geomulcvg 16025 eirrlem 16352 sqrt2irrlem 16396 prmind2 16840 4sqlem11 17113 4sqlem12 17114 ssblex 24727 nrginvrcn 24991 mulc1cncf 25206 nmoleub2lem2 25417 itg2mulclem 26047 itggt0 26144 dvgt0 26304 ftc1lem5 26340 aaliou3lem2 26652 abelthlem8 26748 tanord 26848 tanregt0 26849 logccv 26973 cxpgt0d 27048 cxpcn3lem 27057 jensenlem2 27297 dmlogdmgm 27333 basellem1 27390 sgmnncl 27456 chpdifbndlem2 27863 pntibndlem1 27898 pntibnd 27902 pntlemc 27904 abvcxp 27924 ostth2lem1 27927 ostth2lem3 27944 ostth2 27946 xrge0iifhom 34551 omssubadd 34915 signsply0 35163 sinccvglem 36406 unblimceq0lem 37342 unbdqndv2lem2 37346 knoppndvlem14 37361 taupilem1 38210 poimirlem29 38535 heicant 38541 itggt0cn 38576 ftc1cnnc 38578 bfplem1 38724 rrncmslem 38734 aks4d1p1 43094 aks6d1c2 43148 irrapxlem4 43785 irrapxlem5 43786 imo72b2lem1 45128 dvdivbd 46877 ioodvbdlimc1lem2 46886 ioodvbdlimc2lem 46888 stoweidlem1 46955 stoweidlem7 46961 stoweidlem11 46965 stoweidlem25 46979 stoweidlem26 46980 stoweidlem34 46988 stoweidlem49 47003 stoweidlem52 47006 stoweidlem60 47014 wallispi 47024 stirlinglem6 47033 stirlinglem11 47038 fourierdlem30 47091 qndenserrnbl 47249 ovnsubaddlem1 47524 hoiqssbllem2 47577 pimrecltpos 47662 smfmullem1 47745 smfmullem2 47746 smfmullem3 47747 |
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