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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 9203 | . 2 ⊢ 2 ∈ ℝ | |
| 2 | 2pos 9224 | . 2 ⊢ 0 < 2 | |
| 3 | 1, 2 | elrpii 9881 | 1 ⊢ 2 ∈ ℝ+ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2200 2c2 9184 ℝ+crp 9878 |
| 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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-cnex 8113 ax-resscn 8114 ax-1cn 8115 ax-1re 8116 ax-icn 8117 ax-addcl 8118 ax-addrcl 8119 ax-mulcl 8120 ax-addcom 8122 ax-addass 8124 ax-i2m1 8127 ax-0lt1 8128 ax-0id 8130 ax-rnegex 8131 ax-pre-lttrn 8136 ax-pre-ltadd 8138 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2802 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-br 4087 df-opab 4149 df-xp 4729 df-iota 5284 df-fv 5332 df-ov 6016 df-pnf 8206 df-mnf 8207 df-ltxr 8209 df-2 9192 df-rp 9879 |
| This theorem is referenced by: rphalfcl 9906 qbtwnrelemcalc 10505 flhalf 10552 fldiv4lem1div2uz2 10556 cvg1nlemcxze 11533 cvg1nlemres 11536 resqrexlemdec 11562 resqrexlemlo 11564 resqrexlemcvg 11570 abstri 11655 maxabsle 11755 maxabslemlub 11758 maxltsup 11769 bdtri 11791 efcllemp 12209 cos12dec 12319 bitsfzolem 12505 bitsfzo 12506 bitsmod 12507 oddprm 12822 2expltfac 13002 ivthdichlem 15365 sin0pilem2 15496 cosordlem 15563 2logb9irrALT 15688 sqrt2cxp2logb9e3 15689 1sgm2ppw 15709 gausslemma2dlem1a 15777 2lgslem3b 15813 2lgslem3c 15814 2lgslem3d 15815 cvgcmp2nlemabs 16572 cvgcmp2n 16573 trilpolemclim 16576 trilpolemcl 16577 trilpolemisumle 16578 trilpolemeq1 16580 trilpolemlt1 16581 apdifflemf 16586 nconstwlpolemgt0 16604 taupi 16613 |
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