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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 13110 | . 2 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ) | |
| 2 | 1 | rexrd 11340 | 1 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ*) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 ℝ*cxr 11323 ℝ+crp 13101 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2733 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2740 df-cleq 2753 df-clel 2836 df-rab 3414 df-v 3453 df-un 3904 df-ss 3916 df-xr 11328 df-rp 13102 |
| This theorem is used by: xlemul1 13401 xlemul2 13402 xltmul1 13403 xltmul2 13404 modelico 14001 muladdmodid 14033 sgnrrp 15224 blcntrps 24711 blcntr 24712 blssexps 24725 blssex 24726 blin2 24728 neibl 24800 blnei 24801 metss 24807 metss2lem 24810 stdbdmet 24815 stdbdmopn 24817 metrest 24823 prdsxmslem2 24828 metcnp3 24839 metcnp 24840 metcnpi3 24845 txmetcnp 24846 metustid 24853 cfilucfil 24858 blval2 24861 elbl4 24862 metucn 24870 nmoix 25028 xrsmopn 25112 reperflem 25118 reconnlem2 25127 metdseq0 25154 cnllycmp 25257 lebnum 25265 xlebnum 25266 lebnumii 25267 nmhmcn 25421 lmmbr 25559 lmmbr2 25560 lmnn 25564 cfilfcls 25575 iscau2 25578 iscmet3lem2 25593 equivcfil 25600 flimcfil 25615 cmpcmet 25620 bcthlem5 25629 ellimc3 26179 pige3ALT 26830 efopnlem1 26966 efopnlem2 26967 efopn 26968 xrlimcnp 27278 efrlim 27279 lgamcvg2 27364 pntlemi 27913 pntlemp 27919 ubthlem1 31454 xdivpnfrp 33481 pnfinf 33726 signsply0 35163 cnllysconn 35979 poimirlem29 38535 heicant 38541 itg2gt0cn 38561 ftc1anc 38587 areacirclem1 38594 areacirc 38599 blssp 38658 sstotbnd2 38676 isbndx 38684 isbnd2 38685 isbnd3 38686 ssbnd 38690 prdstotbnd 38696 prdsbnd2 38697 cntotbnd 38698 ismtybndlem 38708 heibor1 38712 infleinflem1 46325 limcrecl 46585 islpcn 46593 etransclem18 47206 etransclem46 47234 ioorrnopnlem 47258 sge0iunmptlemre 47369 itscnhlinecirc02p 49841 |
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