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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 11334 | . 2 ⊢ ℝ ⊆ ℝ* | |
| 2 | 1 | sseli 3927 | 1 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ*) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 ℝcr 11180 ℝ*cxr 11323 |
| 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-v 3453 df-un 3904 df-ss 3916 df-xr 11328 |
| This theorem is used by: rexri 11348 lenlt 11369 ltpnf 13230 mnflt 13233 xrltnsym 13247 xrlttr 13250 xrre 13280 xrre3 13282 max1 13296 max2 13298 min1 13300 min2 13301 maxle 13302 lemin 13303 maxlt 13304 ltmin 13305 max0sub 13307 qbtwnxr 13311 xralrple 13316 alrple 13317 xltnegi 13327 rexadd 13343 xaddnemnf 13347 xaddnepnf 13348 xaddcom 13351 xnegdi 13359 xpncan 13362 xnpcan 13363 xleadd1a 13364 xleadd1 13366 xltadd1 13367 xltadd2 13368 xsubge0 13372 rexmul 13382 xadddilem 13405 xadddir 13407 xrsupsslem 13418 xrinfmsslem 13419 xrub 13423 supxrun 13427 supxrunb1 13430 supxrunb2 13431 supxrbnd1 13432 supxrbnd2 13433 xrsup0 13434 supxrbnd 13439 infmremnf 13455 elioo4g 13518 elioc2 13521 elico2 13522 elicc2 13523 iccss 13526 iooshf 13538 iooneg 13583 icoshft 13585 difreicc 13596 hashbnd 14460 sgnneg 15233 sgnclre 15235 elicc4abs 15467 icodiamlt 15585 limsupgord 15619 pcadd 17047 ramubcl 17176 lt6abl 20089 xrsmcmn 21681 xrsdsreval 21698 xrs1mnd 21726 xrs10 21727 psmetge0 24611 xmetge0 24643 imasdsf1olem 24672 bl2in 24699 blssps 24723 blss 24724 blcld 24804 icopnfcld 25066 iocmnfcld 25067 bl2ioo 25091 blssioo 25094 xrtgioo 25106 xrsblre 25111 iccntr 25121 icccmplem2 25123 icccmp 25125 reconnlem2 25127 xrge0tsms 25134 icoopnst 25240 iocopnst 25241 ovolfioo 25768 ovolicc2lem1 25818 ovolicc2lem5 25822 voliunlem3 25853 icombl1 25864 icombl 25865 iccvolcl 25868 ovolioo 25869 ioovolcl 25871 uniiccdif 25879 volsup2 25906 mbfimasn 25933 ismbf3d 25955 mbfsup 25965 itg2seq 26043 bddiblnc 26142 dvlip2 26295 ply1remlem 26463 abelthlem3 26742 abelth 26750 sincosq2sgn 26810 sincosq3sgn 26811 sinq12ge0 26819 sincos6thpi 26826 sineq0 26834 efif1olem1 26852 efif1olem2 26853 efif1o 26856 eff1o 26859 loglesqrt 27071 basellem1 27390 pntlemo 27916 nmobndi 31359 nmopub2tALT 32493 nmfnleub2 32510 nmopcoadji 32685 rexdiv 33474 xrge0tsmsd 33616 pnfneige0 34565 lmxrge0 34566 hashf2 34698 sxbrsigalem0 34886 orvcgteel 35083 orvclteel 35088 signstfvn 35181 signstfvneq0 35184 signsvfn 35194 ivthALT 37093 icorempo 38242 icoreunrn 38250 iooelexlt 38253 relowlssretop 38254 relowlpssretop 38255 poimir 38539 mblfinlem2 38544 iblabsnclem 38569 ftc1anclem1 38579 ftc1anclem6 38584 areacirclem5 38598 areacirc 38599 blbnd 38689 iocmbl 44173 reabssgn 44595 supxrre3 46281 supxrgere 46289 infrpge 46307 infxrunb2 46323 infxrbnd2 46324 infleinflem2 46326 xrralrecnnle 46338 supxrunb3 46354 supminfxr2 46423 xrpnf 46439 ioomidp 46470 limsupre 46595 limsupub 46658 limsuppnflem 46664 limsupre3lem 46686 liminfgord 46708 liminflelimsuplem 46729 limsupgtlem 46731 limsupub2 46766 xlimpnfxnegmnf 46768 xlimmnfvlem2 46787 xlimmnfv 46788 xlimpnfvlem2 46791 xlimpnfv 46792 icccncfext 46841 volioc 46926 volico 46937 fourierdlem113 47173 meaiuninclem 47434 meaiuninc3v 47438 icoresmbl 47497 ovolval5lem1 47606 mbfresmf 47693 cnfsmf 47694 incsmf 47696 smfconst 47703 decsmf 47721 smfres 47744 smfco 47756 issmfle2d 47763 finfdm 47800 bgoldbtbndlem3 48849 rrxsphere 49804 i0oii 49972 io1ii 49973 |
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