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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 13043 | . 2 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ) | |
| 2 | 1 | rexrd 11277 | 1 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ*) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2146 ℝ*cxr 11260 ℝ+crp 13034 |
| 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 2148 ax-9 2156 ax-ext 2738 |
| 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 2745 df-cleq 2758 df-clel 2841 df-rab 3420 df-v 3460 df-un 3913 df-ss 3925 df-xr 11265 df-rp 13035 |
| This theorem is used by: xlemul1 13334 xlemul2 13335 xltmul1 13336 xltmul2 13337 modelico 13934 muladdmodid 13966 sgnrrp 15154 blcntrps 24606 blcntr 24607 blssexps 24620 blssex 24621 blin2 24623 neibl 24695 blnei 24696 metss 24702 metss2lem 24705 stdbdmet 24710 stdbdmopn 24712 metrest 24718 prdsxmslem2 24723 metcnp3 24734 metcnp 24735 metcnpi3 24740 txmetcnp 24741 metustid 24748 cfilucfil 24753 blval2 24756 elbl4 24757 metucn 24765 nmoix 24923 xrsmopn 25007 reperflem 25013 reconnlem2 25022 metdseq0 25049 cnllycmp 25152 lebnum 25160 xlebnum 25161 lebnumii 25162 nmhmcn 25316 lmmbr 25454 lmmbr2 25455 lmnn 25459 cfilfcls 25470 iscau2 25473 iscmet3lem2 25488 equivcfil 25495 flimcfil 25510 cmpcmet 25515 bcthlem5 25524 ellimc3 26075 pige3ALT 26722 efopnlem1 26858 efopnlem2 26859 efopn 26860 xrlimcnp 27170 efrlim 27171 lgamcvg2 27256 pntlemi 27805 pntlemp 27811 ubthlem1 31259 xdivpnfrp 33289 pnfinf 33534 signsply0 34970 cnllysconn 35758 poimirlem29 38341 heicant 38347 itg2gt0cn 38367 ftc1anc 38393 areacirclem1 38400 areacirc 38405 blssp 38448 sstotbnd2 38466 isbndx 38474 isbnd2 38475 isbnd3 38476 ssbnd 38480 prdstotbnd 38486 prdsbnd2 38487 cntotbnd 38488 ismtybndlem 38498 heibor1 38502 infleinflem1 46126 limcrecl 46386 islpcn 46394 etransclem18 47007 etransclem46 47035 ioorrnopnlem 47059 sge0iunmptlemre 47170 itscnhlinecirc02p 49606 |
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