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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 13047 | . 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 2146 class class class wbr 5114 0cc0 11118 < clt 11261 ℝ+crp 13034 |
| 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 2148 ax-9 2156 ax-ext 2738 |
| 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 2745 df-cleq 2758 df-clel 2841 df-rab 3420 df-v 3460 df-dif 3911 df-un 3913 df-ss 3925 df-nul 4290 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-br 5115 df-rp 13035 |
| This theorem is used by: rpregt0d 13084 ltmulgt11d 13113 ltmulgt12d 13114 gt0divd 13115 ge0divd 13116 lediv12ad 13137 prodge0rd 13143 expgt0 14151 nnesq 14283 bccl2 14379 sgnmulrp2 15171 01sqrexlem7 15325 sqrtgt0d 15490 iseralt 15762 fsumlt 15878 geomulcvg 15956 eirrlem 16285 sqrt2irrlem 16329 prmind2 16768 4sqlem11 17040 4sqlem12 17041 ssblex 24622 nrginvrcn 24886 mulc1cncf 25101 nmoleub2lem2 25312 itg2mulclem 25942 itggt0 26040 dvgt0 26200 ftc1lem5 26236 aaliou3lem2 26543 abelthlem8 26639 tanord 26740 tanregt0 26741 logccv 26865 cxpgt0d 26940 cxpcn3lem 26949 jensenlem2 27189 dmlogdmgm 27225 basellem1 27282 sgmnncl 27348 chpdifbndlem2 27755 pntibndlem1 27790 pntibnd 27794 pntlemc 27796 abvcxp 27816 ostth2lem1 27819 ostth2lem3 27836 ostth2 27838 xrge0iifhom 34358 omssubadd 34722 signsply0 34970 sinccvglem 36185 unblimceq0lem 37136 unbdqndv2lem2 37140 knoppndvlem14 37155 taupilem1 38006 poimirlem29 38341 heicant 38347 itggt0cn 38382 ftc1cnnc 38384 bfplem1 38514 rrncmslem 38524 aks4d1p1 42884 aks6d1c2 42938 irrapxlem4 43593 irrapxlem5 43594 imo72b2lem1 44936 dvdivbd 46678 ioodvbdlimc1lem2 46687 ioodvbdlimc2lem 46689 stoweidlem1 46756 stoweidlem7 46762 stoweidlem11 46766 stoweidlem25 46780 stoweidlem26 46781 stoweidlem34 46789 stoweidlem49 46804 stoweidlem52 46807 stoweidlem60 46815 wallispi 46825 stirlinglem6 46834 stirlinglem11 46839 fourierdlem30 46892 qndenserrnbl 47050 ovnsubaddlem1 47325 hoiqssbllem2 47378 pimrecltpos 47463 smfmullem1 47546 smfmullem2 47547 smfmullem3 47548 |
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