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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 13024 | . 2 ⊢ (𝐴 ∈ ℝ+ ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴)) | |
| 2 | 1 | simprbi 502 | 1 ⊢ (𝐴 ∈ ℝ+ → 0 < 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2142 class class class wbr 5108 ℝcr 11105 0cc0 11106 < clt 11249 ℝ+crp 13022 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-ext 2734 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-sb 2096 df-clab 2741 df-cleq 2754 df-clel 2837 df-rab 3416 df-v 3456 df-dif 3907 df-un 3909 df-ss 3921 df-nul 4286 df-if 4487 df-sn 4589 df-pr 4591 df-op 4595 df-br 5109 df-rp 13023 |
| This theorem is used by: rpge0 13036 neglt 13042 rpgecl 13052 0nrp 13059 rpgt0d 13069 addlelt 13138 0mod 13942 sgnrrp 15135 01sqrexlem2 15301 01sqrexlem4 15303 01sqrexlem6 15305 resqrex 15308 rpsqrtcl 15322 climconst 15601 rlimconst 15602 divrcnv 15913 rprisefaccl 16084 blcntrps 24580 blcntr 24581 stdbdmet 24684 stdbdmopn 24686 prdsxmslem2 24697 metustid 24722 nmoix 24897 metdseq0 25023 lebnumii 25136 itgulm 26582 pilem2 26626 cos02pilt1 26702 tanregt0 26715 logdmnrp 26817 cxple2 26873 asinneg 27062 asin1 27070 reasinsin 27072 atanbndlem 27101 atanbnd 27102 atan1 27104 rlimcnp 27141 chtrpcl 27350 ppiltx 27352 bposlem8 27466 pntlem3 27784 padicabvcxp 27807 0cnop 32342 0cnfn 32343 rpdp2cl 33212 xdivpnfrp 33263 pnfinf 33512 hgt750lem2 35048 taupilem1 37993 itg2gt0cn 38354 areacirclem1 38387 areacirclem4 38390 prdstotbnd 38473 prdsbnd2 38474 aks4d1p1p6 42868 irrapxlem3 43579 xralrple2 46098 constlimc 46368 0cnv 46484 ioodvbdlimc1lem1 46673 fourierdlem103 46951 fourierdlem104 46952 etransclem18 46994 etransclem46 47022 hoidmvlelem3 47339 |
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