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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 13123 | . 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 2144 class class class wbr 5102 ℝcr 11200 0cc0 11201 < clt 11344 ℝ+crp 13121 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-un 4151 df-nul 4279 df-if 4482 df-sn 4584 df-pr 4586 df-op 4590 df-br 5103 df-rp 13122 |
| This theorem is used by: rpge0 13135 neglt 13141 rpgecl 13151 0nrp 13158 rpgt0d 13168 addlelt 13237 0mod 14043 sgnrrp 15245 01sqrexlem2 15411 01sqrexlem4 15413 01sqrexlem6 15415 resqrex 15418 rpsqrtcl 15432 climconst 15711 rlimconst 15712 divrcnv 16022 rprisefaccl 16191 blcntrps 24732 blcntr 24733 stdbdmet 24836 stdbdmopn 24838 prdsxmslem2 24849 metustid 24874 nmoix 25049 metdseq0 25175 lebnumii 25288 itgulm 26736 pilem2 26780 cos02pilt1 26855 tanregt0 26868 logdmnrp 26970 cxple2 27026 asinneg 27215 asin1 27223 reasinsin 27225 atanbndlem 27254 atanbnd 27255 atan1 27257 rlimcnp 27294 chtrpcl 27503 ppiltx 27505 bposlem8 27619 pntlem3 27937 padicabvcxp 27960 0cnop 32582 0cnfn 32583 rpdp2cl 33491 xdivpnfrp 33542 pnfinf 33787 hgt750lem2 35324 taupilem1 38318 itg2gt0cn 38669 areacirclem1 38702 areacirclem4 38705 prdstotbnd 38804 prdsbnd2 38805 aks4d1p1p6 43199 irrapxlem3 43907 xralrple2 46442 constlimc 46712 0cnv 46828 ioodvbdlimc1lem1 47017 fourierdlem103 47295 fourierdlem104 47296 etransclem18 47338 etransclem46 47366 hoidmvlelem3 47683 |
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