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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 9353 | . 2 ⊢ 2 ∈ ℝ | |
| 2 | 2pos 9374 | . 2 ⊢ 0 < 2 | |
| 3 | 1, 2 | elrpii 10036 | 1 ⊢ 2 ∈ ℝ+ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2209 2c2 9334 ℝ+crp 10033 |
| 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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-cnex 8260 ax-resscn 8261 ax-1cn 8262 ax-1re 8263 ax-icn 8264 ax-addcl 8265 ax-addrcl 8266 ax-mulcl 8267 ax-addcom 8269 ax-addass 8271 ax-i2m1 8274 ax-0lt1 8275 ax-0id 8277 ax-rnegex 8278 ax-pre-lttrn 8283 ax-pre-ltadd 8285 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-br 4126 df-opab 4188 df-xp 4775 df-iota 5332 df-fv 5380 df-ov 6078 df-pnf 8352 df-mnf 8353 df-ltxr 8355 df-2 9342 df-rp 10034 |
| This theorem is referenced by: rphalfcl 10061 qbtwnrelemcalc 10668 flhalf 10715 fldiv4lem1div2uz2 10719 cvg1nlemcxze 11726 cvg1nlemres 11729 resqrexlemdec 11755 resqrexlemlo 11757 resqrexlemcvg 11763 abstri 11848 maxabsle 11948 maxabslemlub 11951 maxltsup 11962 bdtri 11984 efcllemp 12403 cos12dec 12513 bitsfzolem 12699 bitsfzo 12700 bitsmod 12701 oddprm 13016 2expltfac 13196 ivthdichlem 15675 sin0pilem2 15806 cosordlem 15873 2logb9irrALT 15999 sqrt2cxp2logb9e3 16000 1sgm2ppw 16023 gausslemma2dlem1a 16091 2lgslem3b 16127 2lgslem3c 16128 2lgslem3d 16129 cvgcmp2nlemabs 16986 cvgcmp2n 16987 trilpolemclim 16990 trilpolemcl 16991 trilpolemisumle 16992 trilpolemeq1 16994 trilpolemlt1 16995 apdifflemf 17000 nconstwlpolemgt0 17019 taupi 17028 |
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