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| Mirrors > Home > MPE Home > Th. List > rpgt0 | Structured version Visualization version GIF version | ||
| Description: A positive real is greater than zero. (Contributed by FL, 27-Dec-2007.) |
| Ref | Expression |
|---|---|
| rpgt0 | ⊢ (𝐴 ∈ ℝ+ → 0 < 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elrp 13092 | . 2 ⊢ (𝐴 ∈ ℝ+ ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴)) | |
| 2 | 1 | simprbi 503 | 1 ⊢ (𝐴 ∈ ℝ+ → 0 < 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 class class class wbr 5102 ℝcr 11171 0cc0 11172 < clt 11315 ℝ+crp 13090 |
| 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 2732 |
| 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 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-dif 3901 df-un 3903 df-ss 3915 df-nul 4279 df-if 4482 df-sn 4584 df-pr 4586 df-op 4590 df-br 5103 df-rp 13091 |
| This theorem is used by: rpge0 13104 neglt 13110 rpgecl 13120 0nrp 13127 rpgt0d 13137 addlelt 13206 0mod 14011 sgnrrp 15212 01sqrexlem2 15378 01sqrexlem4 15380 01sqrexlem6 15382 resqrex 15385 rpsqrtcl 15399 climconst 15678 rlimconst 15679 divrcnv 15989 rprisefaccl 16158 blcntrps 24693 blcntr 24694 stdbdmet 24797 stdbdmopn 24799 prdsxmslem2 24810 metustid 24835 nmoix 25010 metdseq0 25136 lebnumii 25249 itgulm 26699 pilem2 26743 cos02pilt1 26818 tanregt0 26831 logdmnrp 26933 cxple2 26989 asinneg 27178 asin1 27186 reasinsin 27188 atanbndlem 27217 atanbnd 27218 atan1 27220 rlimcnp 27257 chtrpcl 27466 ppiltx 27468 bposlem8 27582 pntlem3 27900 padicabvcxp 27923 0cnop 32515 0cnfn 32516 rpdp2cl 33382 xdivpnfrp 33433 pnfinf 33678 hgt750lem2 35216 taupilem1 38162 itg2gt0cn 38513 areacirclem1 38546 areacirclem4 38549 prdstotbnd 38648 prdsbnd2 38649 aks4d1p1p6 43043 irrapxlem3 43769 xralrple2 46288 constlimc 46558 0cnv 46674 ioodvbdlimc1lem1 46863 fourierdlem103 47141 fourierdlem104 47142 etransclem18 47184 etransclem46 47212 hoidmvlelem3 47529 |
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