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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 12400 | . 2 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ) | |
2 | rpgt0 12404 | . 2 ⊢ (𝐴 ∈ ℝ+ → 0 < 𝐴) | |
3 | 0re 10645 | . . 3 ⊢ 0 ∈ ℝ | |
4 | ltle 10731 | . . 3 ⊢ ((0 ∈ ℝ ∧ 𝐴 ∈ ℝ) → (0 < 𝐴 → 0 ≤ 𝐴)) | |
5 | 3, 4 | mpan 688 | . 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 2114 class class class wbr 5068 ℝcr 10538 0cc0 10539 < clt 10677 ≤ cle 10678 ℝ+crp 12392 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 ax-un 7463 ax-resscn 10596 ax-1cn 10597 ax-addrcl 10600 ax-rnegex 10610 ax-cnre 10612 ax-pre-lttri 10613 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ne 3019 df-nel 3126 df-ral 3145 df-rex 3146 df-rab 3149 df-v 3498 df-sbc 3775 df-csb 3886 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-nul 4294 df-if 4470 df-pw 4543 df-sn 4570 df-pr 4572 df-op 4576 df-uni 4841 df-br 5069 df-opab 5131 df-mpt 5149 df-id 5462 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-iota 6316 df-fun 6359 df-fn 6360 df-f 6361 df-f1 6362 df-fo 6363 df-f1o 6364 df-fv 6365 df-er 8291 df-en 8512 df-dom 8513 df-sdom 8514 df-pnf 10679 df-mnf 10680 df-xr 10681 df-ltxr 10682 df-le 10683 df-rp 12393 |
This theorem is referenced by: rprege0 12407 rpge0d 12438 xralrple 12601 xlemul1 12686 infmrp1 12740 sqrlem1 14604 rpsqrtcl 14626 divrcnv 15209 ef01bndlem 15539 stdbdmet 23128 reconnlem2 23437 cphsqrtcl3 23793 iscmet3lem3 23895 minveclem3 24034 itg2const2 24344 itg2mulclem 24349 aalioulem2 24924 pige3ALT 25107 argregt0 25195 argrege0 25196 2irrexpq 25315 cxpcn3 25331 cxplim 25551 cxp2lim 25556 divsqrtsumlem 25559 logdiflbnd 25574 basellem4 25663 ppiltx 25756 bposlem8 25869 bposlem9 25870 chebbnd1 26050 mulog2sumlem2 26113 selbergb 26127 selberg2b 26130 nmcexi 29805 nmcopexi 29806 nmcfnexi 29830 sqsscirc1 31153 divsqrtid 31867 logdivsqrle 31923 hgt750lem2 31925 subfacval3 32438 ptrecube 34894 heicant 34929 itg2addnclem 34945 itg2gt0cn 34949 areacirclem1 34984 areacirclem4 34987 areacirc 34989 cntotbnd 35076 xralrple4 41648 xralrple3 41649 fourierdlem103 42501 blenre 44641 itscnhlinecirc02plem3 44778 itscnhlinecirc02p 44779 |
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