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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 12398 | . 2 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ) | |
2 | rpgt0 12402 | . 2 ⊢ (𝐴 ∈ ℝ+ → 0 < 𝐴) | |
3 | 0re 10643 | . . 3 ⊢ 0 ∈ ℝ | |
4 | ltle 10729 | . . 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 5066 ℝcr 10536 0cc0 10537 < clt 10675 ≤ cle 10676 ℝ+crp 12390 |
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 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-resscn 10594 ax-1cn 10595 ax-addrcl 10598 ax-rnegex 10608 ax-cnre 10610 ax-pre-lttri 10611 |
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 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4839 df-br 5067 df-opab 5129 df-mpt 5147 df-id 5460 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-er 8289 df-en 8510 df-dom 8511 df-sdom 8512 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-rp 12391 |
This theorem is referenced by: rprege0 12405 rpge0d 12436 xralrple 12599 xlemul1 12684 infmrp1 12738 sqrlem1 14602 rpsqrtcl 14624 divrcnv 15207 ef01bndlem 15537 stdbdmet 23126 reconnlem2 23435 cphsqrtcl3 23791 iscmet3lem3 23893 minveclem3 24032 itg2const2 24342 itg2mulclem 24347 aalioulem2 24922 pige3ALT 25105 argregt0 25193 argrege0 25194 2irrexpq 25313 cxpcn3 25329 cxplim 25549 cxp2lim 25554 divsqrtsumlem 25557 logdiflbnd 25572 basellem4 25661 ppiltx 25754 bposlem8 25867 bposlem9 25868 chebbnd1 26048 mulog2sumlem2 26111 selbergb 26125 selberg2b 26128 nmcexi 29803 nmcopexi 29804 nmcfnexi 29828 sqsscirc1 31151 divsqrtid 31865 logdivsqrle 31921 hgt750lem2 31923 subfacval3 32436 ptrecube 34907 heicant 34942 itg2addnclem 34958 itg2gt0cn 34962 areacirclem1 34997 areacirclem4 35000 areacirc 35002 cntotbnd 35089 xralrple4 41661 xralrple3 41662 fourierdlem103 42514 blenre 44654 itscnhlinecirc02plem3 44791 itscnhlinecirc02p 44792 |
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