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| Mirrors > Home > MPE Home > Th. List > rexr | Structured version Visualization version GIF version | ||
| Description: A standard real is an extended real. (Contributed by NM, 14-Oct-2005.) |
| Ref | Expression |
|---|---|
| rexr | ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ*) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ressxr 11281 | . 2 ⊢ ℝ ⊆ ℝ* | |
| 2 | 1 | sseli 3930 | 1 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ*) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 ℝcr 11127 ℝ*cxr 11270 |
| 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 2734 |
| 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 2741 df-cleq 2754 df-clel 2837 df-v 3455 df-un 3907 df-ss 3919 df-xr 11275 |
| This theorem is used by: rexri 11295 lenlt 11316 ltpnf 13175 mnflt 13178 xrltnsym 13192 xrlttr 13195 xrre 13225 xrre3 13227 max1 13241 max2 13243 min1 13245 min2 13246 maxle 13247 lemin 13248 maxlt 13249 ltmin 13250 max0sub 13252 qbtwnxr 13256 xralrple 13261 alrple 13262 xltnegi 13272 rexadd 13288 xaddnemnf 13292 xaddnepnf 13293 xaddcom 13296 xnegdi 13304 xpncan 13307 xnpcan 13308 xleadd1a 13309 xleadd1 13311 xltadd1 13312 xltadd2 13313 xsubge0 13317 rexmul 13327 xadddilem 13350 xadddir 13352 xrsupsslem 13363 xrinfmsslem 13364 xrub 13368 supxrun 13372 supxrunb1 13375 supxrunb2 13376 supxrbnd1 13377 supxrbnd2 13378 xrsup0 13379 supxrbnd 13384 infmremnf 13400 elioo4g 13463 elioc2 13466 elico2 13467 elicc2 13468 iccss 13471 iooshf 13483 iooneg 13528 icoshft 13530 difreicc 13541 hashbnd 14404 sgnneg 15177 sgnclre 15179 elicc4abs 15411 icodiamlt 15529 limsupgord 15563 pcadd 16987 ramubcl 17116 lt6abl 20028 xrsmcmn 21614 xrsdsreval 21631 xrs1mnd 21659 xrs10 21660 psmetge0 24544 xmetge0 24576 imasdsf1olem 24605 bl2in 24632 blssps 24656 blss 24657 blcld 24737 icopnfcld 24999 iocmnfcld 25000 bl2ioo 25024 blssioo 25027 xrtgioo 25039 xrsblre 25044 iccntr 25054 icccmplem2 25056 icccmp 25058 reconnlem2 25060 xrge0tsms 25067 icoopnst 25173 iocopnst 25174 ovolfioo 25701 ovolicc2lem1 25751 ovolicc2lem5 25755 voliunlem3 25786 icombl1 25797 icombl 25798 iccvolcl 25801 ovolioo 25802 ioovolcl 25804 uniiccdif 25812 volsup2 25839 mbfimasn 25866 ismbf3d 25888 mbfsup 25898 itg2seq 25976 bddiblnc 26076 dvlip2 26229 ply1remlem 26397 abelthlem3 26676 abelth 26684 sincosq2sgn 26744 sincosq3sgn 26745 sinq12ge0 26753 sincos6thpi 26761 sineq0 26769 efif1olem1 26787 efif1olem2 26788 efif1o 26791 eff1o 26794 loglesqrt 27006 basellem1 27325 pntlemo 27851 nmobndi 31264 nmopub2tALT 32398 nmfnleub2 32415 nmopcoadji 32590 rexdiv 33379 xrge0tsmsd 33521 pnfneige0 34469 lmxrge0 34470 hashf2 34602 sxbrsigalem0 34790 orvcgteel 34987 orvclteel 34992 signstfvn 35085 signstfvneq0 35088 signsvfn 35098 ivthALT 36962 icorempo 38113 icoreunrn 38121 iooelexlt 38124 relowlssretop 38125 relowlpssretop 38126 poimir 38410 mblfinlem2 38415 iblabsnclem 38440 ftc1anclem1 38450 ftc1anclem6 38455 areacirclem5 38469 areacirc 38470 blbnd 38545 iocmbl 44062 reabssgn 44484 supxrre3 46163 supxrgere 46171 infrpge 46189 infxrunb2 46205 infxrbnd2 46206 infleinflem2 46208 xrralrecnnle 46220 supxrunb3 46236 supminfxr2 46305 xrpnf 46321 ioomidp 46352 limsupre 46477 limsupub 46540 limsuppnflem 46546 limsupre3lem 46568 liminfgord 46590 liminflelimsuplem 46611 limsupgtlem 46613 limsupub2 46648 xlimpnfxnegmnf 46650 xlimmnfvlem2 46669 xlimmnfv 46670 xlimpnfvlem2 46673 xlimpnfv 46674 icccncfext 46723 volioc 46808 volico 46819 fourierdlem113 47055 meaiuninclem 47316 meaiuninc3v 47320 icoresmbl 47379 ovolval5lem1 47488 mbfresmf 47575 cnfsmf 47576 incsmf 47578 smfconst 47585 decsmf 47603 smfres 47626 smfco 47638 issmfle2d 47645 finfdm 47682 bgoldbtbndlem3 48731 rrxsphere 49686 i0oii 49854 io1ii 49855 |
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