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| Mirrors > Home > MPE Home > Th. List > rpxr | Structured version Visualization version GIF version | ||
| Description: A positive real is an extended real. (Contributed by Mario Carneiro, 21-Aug-2015.) |
| Ref | Expression |
|---|---|
| rpxr | ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ*) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rpre 13132 | . 2 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ) | |
| 2 | 1 | rexrd 11362 | 1 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ*) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2144 ℝ*cxr 11345 ℝ+crp 13123 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-tru 1572 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-ss 3896 df-un 4151 df-xr 11350 df-rp 13124 |
| This theorem is used by: xlemul1 13423 xlemul2 13424 xltmul1 13425 xltmul2 13426 modelico 14024 muladdmodid 14056 sgnrrp 15249 blcntrps 24736 blcntr 24737 blssexps 24750 blssex 24751 blin2 24753 neibl 24825 blnei 24826 metss 24832 metss2lem 24835 stdbdmet 24840 stdbdmopn 24842 metrest 24848 prdsxmslem2 24853 metcnp3 24864 metcnp 24865 metcnpi3 24870 txmetcnp 24871 metustid 24878 cfilucfil 24883 blval2 24886 elbl4 24887 metucn 24895 nmoix 25053 xrsmopn 25137 reperflem 25143 reconnlem2 25152 metdseq0 25179 cnllycmp 25282 lebnum 25290 xlebnum 25291 lebnumii 25292 nmhmcn 25446 lmmbr 25584 lmmbr2 25585 lmnn 25589 cfilfcls 25600 iscau2 25603 iscmet3lem2 25618 equivcfil 25625 flimcfil 25640 cmpcmet 25645 bcthlem5 25654 ellimc3 26204 pige3ALT 26853 efopnlem1 26989 efopnlem2 26990 efopn 26991 xrlimcnp 27301 efrlim 27302 lgamcvg2 27387 pntlemi 27936 pntlemp 27942 ubthlem1 31477 xdivpnfrp 33545 pnfinf 33790 signsply0 35226 cnllysconn 36096 poimirlem29 38660 heicant 38666 itg2gt0cn 38686 ftc1anc 38712 areacirclem1 38719 areacirc 38724 blssp 38783 sstotbnd2 38801 isbndx 38809 isbnd2 38810 isbnd3 38811 ssbnd 38815 prdstotbnd 38821 prdsbnd2 38822 cntotbnd 38823 ismtybndlem 38833 heibor1 38837 infleinflem1 46474 limcrecl 46734 islpcn 46742 etransclem18 47355 etransclem46 47383 ioorrnopnlem 47407 sge0iunmptlemre 47518 itscnhlinecirc02p 49990 |
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