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Mirrors > Home > ILE Home > Th. List > 2rp | GIF version |
Description: 2 is a positive real. (Contributed by Mario Carneiro, 28-May-2016.) |
Ref | Expression |
---|---|
2rp | ⊢ 2 ∈ ℝ+ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2re 8790 | . 2 ⊢ 2 ∈ ℝ | |
2 | 2pos 8811 | . 2 ⊢ 0 < 2 | |
3 | 1, 2 | elrpii 9444 | 1 ⊢ 2 ∈ ℝ+ |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 1480 2c2 8771 ℝ+crp 9441 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-pow 4098 ax-pr 4131 ax-un 4355 ax-setind 4452 ax-cnex 7711 ax-resscn 7712 ax-1cn 7713 ax-1re 7714 ax-icn 7715 ax-addcl 7716 ax-addrcl 7717 ax-mulcl 7718 ax-addcom 7720 ax-addass 7722 ax-i2m1 7725 ax-0lt1 7726 ax-0id 7728 ax-rnegex 7729 ax-pre-lttrn 7734 ax-pre-ltadd 7736 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ne 2309 df-nel 2404 df-ral 2421 df-rex 2422 df-rab 2425 df-v 2688 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-br 3930 df-opab 3990 df-xp 4545 df-iota 5088 df-fv 5131 df-ov 5777 df-pnf 7802 df-mnf 7803 df-ltxr 7805 df-2 8779 df-rp 9442 |
This theorem is referenced by: rphalfcl 9469 qbtwnrelemcalc 10033 flhalf 10075 cvg1nlemcxze 10754 cvg1nlemres 10757 resqrexlemdec 10783 resqrexlemlo 10785 resqrexlemcvg 10791 abstri 10876 maxabsle 10976 maxabslemlub 10979 maxltsup 10990 bdtri 11011 efcllemp 11364 cos12dec 11474 sin0pilem2 12863 cosordlem 12930 cvgcmp2nlemabs 13227 cvgcmp2n 13228 trilpolemclim 13229 trilpolemcl 13230 trilpolemisumle 13231 trilpolemeq1 13233 trilpolemlt1 13234 taupi 13239 |
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