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Mirrors > Home > MPE Home > Th. List > rpge0 | Structured version Visualization version GIF version |
Description: A positive real is greater than or equal to zero. (Contributed by NM, 22-Feb-2008.) |
Ref | Expression |
---|---|
rpge0 | ⊢ (𝐴 ∈ ℝ+ → 0 ≤ 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rpre 12559 | . 2 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ) | |
2 | rpgt0 12563 | . 2 ⊢ (𝐴 ∈ ℝ+ → 0 < 𝐴) | |
3 | 0re 10800 | . . 3 ⊢ 0 ∈ ℝ | |
4 | ltle 10886 | . . 3 ⊢ ((0 ∈ ℝ ∧ 𝐴 ∈ ℝ) → (0 < 𝐴 → 0 ≤ 𝐴)) | |
5 | 3, 4 | mpan 690 | . 2 ⊢ (𝐴 ∈ ℝ → (0 < 𝐴 → 0 ≤ 𝐴)) |
6 | 1, 2, 5 | sylc 65 | 1 ⊢ (𝐴 ∈ ℝ+ → 0 ≤ 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2112 class class class wbr 5039 ℝcr 10693 0cc0 10694 < clt 10832 ≤ cle 10833 ℝ+crp 12551 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2018 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2708 ax-sep 5177 ax-nul 5184 ax-pow 5243 ax-pr 5307 ax-un 7501 ax-resscn 10751 ax-1cn 10752 ax-addrcl 10755 ax-rnegex 10765 ax-cnre 10767 ax-pre-lttri 10768 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2728 df-clel 2809 df-nfc 2879 df-ne 2933 df-nel 3037 df-ral 3056 df-rex 3057 df-rab 3060 df-v 3400 df-sbc 3684 df-csb 3799 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-nul 4224 df-if 4426 df-pw 4501 df-sn 4528 df-pr 4530 df-op 4534 df-uni 4806 df-br 5040 df-opab 5102 df-mpt 5121 df-id 5440 df-xp 5542 df-rel 5543 df-cnv 5544 df-co 5545 df-dm 5546 df-rn 5547 df-res 5548 df-ima 5549 df-iota 6316 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-er 8369 df-en 8605 df-dom 8606 df-sdom 8607 df-pnf 10834 df-mnf 10835 df-xr 10836 df-ltxr 10837 df-le 10838 df-rp 12552 |
This theorem is referenced by: rprege0 12566 rpge0d 12597 xralrple 12760 xlemul1 12845 infmrp1 12899 sqrlem1 14771 rpsqrtcl 14793 divrcnv 15379 ef01bndlem 15708 stdbdmet 23368 reconnlem2 23678 cphsqrtcl3 24038 iscmet3lem3 24141 minveclem3 24280 itg2const2 24593 itg2mulclem 24598 aalioulem2 25180 pige3ALT 25363 argregt0 25452 argrege0 25453 2irrexpq 25572 cxpcn3 25588 cxplim 25808 cxp2lim 25813 divsqrtsumlem 25816 logdiflbnd 25831 basellem4 25920 ppiltx 26013 bposlem8 26126 bposlem9 26127 chebbnd1 26307 mulog2sumlem2 26370 selbergb 26384 selberg2b 26387 nmcexi 30061 nmcopexi 30062 nmcfnexi 30086 sqsscirc1 31526 divsqrtid 32240 logdivsqrle 32296 hgt750lem2 32298 subfacval3 32818 ptrecube 35463 heicant 35498 itg2addnclem 35514 itg2gt0cn 35518 areacirclem1 35551 areacirclem4 35554 areacirc 35556 cntotbnd 35640 xralrple4 42526 xralrple3 42527 fourierdlem103 43368 blenre 45536 itscnhlinecirc02plem3 45746 itscnhlinecirc02p 45747 |
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