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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 13046 | . 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 5107 ℝcr 11126 0cc0 11127 < clt 11270 ℝ+crp 13044 |
| 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 2734 |
| 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 2741 df-cleq 2754 df-clel 2837 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4283 df-if 4486 df-sn 4588 df-pr 4590 df-op 4594 df-br 5108 df-rp 13045 |
| This theorem is used by: rpge0 13058 neglt 13064 rpgecl 13074 0nrp 13081 rpgt0d 13091 addlelt 13160 0mod 13965 sgnrrp 15166 01sqrexlem2 15332 01sqrexlem4 15334 01sqrexlem6 15336 resqrex 15339 rpsqrtcl 15353 climconst 15632 rlimconst 15633 divrcnv 15943 rprisefaccl 16114 blcntrps 24642 blcntr 24643 stdbdmet 24746 stdbdmopn 24748 prdsxmslem2 24759 metustid 24784 nmoix 24959 metdseq0 25085 lebnumii 25198 itgulm 26644 pilem2 26688 cos02pilt1 26764 tanregt0 26777 logdmnrp 26879 cxple2 26935 asinneg 27124 asin1 27132 reasinsin 27134 atanbndlem 27163 atanbnd 27164 atan1 27166 rlimcnp 27203 chtrpcl 27412 ppiltx 27414 bposlem8 27528 pntlem3 27846 padicabvcxp 27869 0cnop 32461 0cnfn 32462 rpdp2cl 33329 xdivpnfrp 33380 pnfinf 33625 hgt750lem2 35162 taupilem1 38075 itg2gt0cn 38426 areacirclem1 38459 areacirclem4 38462 prdstotbnd 38546 prdsbnd2 38547 aks4d1p1p6 42941 irrapxlem3 43667 xralrple2 46186 constlimc 46456 0cnv 46572 ioodvbdlimc1lem1 46761 fourierdlem103 47039 fourierdlem104 47040 etransclem18 47082 etransclem46 47110 hoidmvlelem3 47427 |
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