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Mirrors > Home > ILE Home > Th. List > 1rp | GIF version |
Description: 1 is a positive real. (Contributed by Jeff Hankins, 23-Nov-2008.) |
Ref | Expression |
---|---|
1rp | ⊢ 1 ∈ ℝ+ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1re 7765 | . 2 ⊢ 1 ∈ ℝ | |
2 | 0lt1 7889 | . 2 ⊢ 0 < 1 | |
3 | 1, 2 | elrpii 9444 | 1 ⊢ 1 ∈ ℝ+ |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 1480 1c1 7621 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-1re 7714 ax-addrcl 7717 ax-0lt1 7726 ax-rnegex 7729 |
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-pnf 7802 df-mnf 7803 df-ltxr 7805 df-rp 9442 |
This theorem is referenced by: rpreccl 9468 rpexpcl 10312 caubnd2 10889 climcaucn 11120 isprm6 11825 unirnblps 12591 unirnbl 12592 mopnex 12674 tgioo 12715 cncfmptc 12751 dveflem 12855 |
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