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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 9324 | . 2 ⊢ 2 ∈ ℝ | |
| 2 | 2pos 9345 | . 2 ⊢ 0 < 2 | |
| 3 | 1, 2 | elrpii 10007 | 1 ⊢ 2 ∈ ℝ+ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2205 2c2 9305 ℝ+crp 10004 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-sep 4233 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-setind 4664 ax-cnex 8234 ax-resscn 8235 ax-1cn 8236 ax-1re 8237 ax-icn 8238 ax-addcl 8239 ax-addrcl 8240 ax-mulcl 8241 ax-addcom 8243 ax-addass 8245 ax-i2m1 8248 ax-0lt1 8249 ax-0id 8251 ax-rnegex 8252 ax-pre-lttrn 8257 ax-pre-ltadd 8259 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-nel 2510 df-ral 2527 df-rex 2528 df-rab 2531 df-v 2817 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-br 4115 df-opab 4177 df-xp 4760 df-iota 5317 df-fv 5365 df-ov 6061 df-pnf 8326 df-mnf 8327 df-ltxr 8329 df-2 9313 df-rp 10005 |
| This theorem is referenced by: rphalfcl 10032 qbtwnrelemcalc 10639 flhalf 10686 fldiv4lem1div2uz2 10690 cvg1nlemcxze 11692 cvg1nlemres 11695 resqrexlemdec 11721 resqrexlemlo 11723 resqrexlemcvg 11729 abstri 11814 maxabsle 11914 maxabslemlub 11917 maxltsup 11928 bdtri 11950 efcllemp 12369 cos12dec 12479 bitsfzolem 12665 bitsfzo 12666 bitsmod 12667 oddprm 12982 2expltfac 13162 ivthdichlem 15642 sin0pilem2 15773 cosordlem 15840 2logb9irrALT 15965 sqrt2cxp2logb9e3 15966 1sgm2ppw 15989 gausslemma2dlem1a 16057 2lgslem3b 16093 2lgslem3c 16094 2lgslem3d 16095 cvgcmp2nlemabs 16942 cvgcmp2n 16943 trilpolemclim 16946 trilpolemcl 16947 trilpolemisumle 16948 trilpolemeq1 16950 trilpolemlt1 16951 apdifflemf 16956 nconstwlpolemgt0 16976 taupi 16985 |
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