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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 9213 | . 2 ⊢ 2 ∈ ℝ | |
| 2 | 2pos 9234 | . 2 ⊢ 0 < 2 | |
| 3 | 1, 2 | elrpii 9891 | 1 ⊢ 2 ∈ ℝ+ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 2c2 9194 ℝ+crp 9888 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-cnex 8123 ax-resscn 8124 ax-1cn 8125 ax-1re 8126 ax-icn 8127 ax-addcl 8128 ax-addrcl 8129 ax-mulcl 8130 ax-addcom 8132 ax-addass 8134 ax-i2m1 8137 ax-0lt1 8138 ax-0id 8140 ax-rnegex 8141 ax-pre-lttrn 8146 ax-pre-ltadd 8148 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-rab 2519 df-v 2804 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-opab 4151 df-xp 4731 df-iota 5286 df-fv 5334 df-ov 6021 df-pnf 8216 df-mnf 8217 df-ltxr 8219 df-2 9202 df-rp 9889 |
| This theorem is referenced by: rphalfcl 9916 qbtwnrelemcalc 10516 flhalf 10563 fldiv4lem1div2uz2 10567 cvg1nlemcxze 11560 cvg1nlemres 11563 resqrexlemdec 11589 resqrexlemlo 11591 resqrexlemcvg 11597 abstri 11682 maxabsle 11782 maxabslemlub 11785 maxltsup 11796 bdtri 11818 efcllemp 12237 cos12dec 12347 bitsfzolem 12533 bitsfzo 12534 bitsmod 12535 oddprm 12850 2expltfac 13030 ivthdichlem 15394 sin0pilem2 15525 cosordlem 15592 2logb9irrALT 15717 sqrt2cxp2logb9e3 15718 1sgm2ppw 15738 gausslemma2dlem1a 15806 2lgslem3b 15842 2lgslem3c 15843 2lgslem3d 15844 cvgcmp2nlemabs 16687 cvgcmp2n 16688 trilpolemclim 16691 trilpolemcl 16692 trilpolemisumle 16693 trilpolemeq1 16695 trilpolemlt1 16696 apdifflemf 16701 nconstwlpolemgt0 16720 taupi 16729 |
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