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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 11380 | . 2 ⊢ ℝ ⊆ ℝ* | |
| 2 | 1 | sseli 3909 | 1 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ*) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2147 ℝcr 11226 ℝ*cxr 11369 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-tru 1573 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-v 3456 df-ss 3901 df-un 4154 df-xr 11374 |
| This theorem is used by: rexri 11394 lenlt 11415 ltpnf 13276 mnflt 13279 xrltnsym 13293 xrlttr 13296 xrre 13326 xrre3 13328 max1 13342 max2 13344 min1 13346 min2 13347 maxle 13348 lemin 13349 maxlt 13350 ltmin 13351 max0sub 13353 qbtwnxr 13357 xralrple 13362 alrple 13363 xltnegi 13373 rexadd 13389 xaddnemnf 13393 xaddnepnf 13394 xaddcom 13397 xnegdi 13405 xpncan 13408 xnpcan 13409 xleadd1a 13410 xleadd1 13412 xltadd1 13413 xltadd2 13414 xsubge0 13418 rexmul 13428 xadddilem 13451 xadddir 13453 xrsupsslem 13464 xrinfmsslem 13465 xrub 13469 supxrun 13473 supxrunb1 13476 supxrunb2 13477 supxrbnd1 13478 supxrbnd2 13479 xrsup0 13480 supxrbnd 13485 infmremnf 13501 elioo4g 13564 elioc2 13567 elico2 13568 elicc2 13569 iccss 13572 iooshf 13584 iooneg 13629 icoshft 13631 difreicc 13642 hashbnd 14507 sgnneg 15282 sgnclre 15284 elicc4abs 15516 icodiamlt 15634 limsupgord 15668 pcadd 17096 ramubcl 17225 lt6abl 20139 xrsmcmn 21731 xrsdsreval 21748 xrs1mnd 21776 xrs10 21777 psmetge0 24661 xmetge0 24693 imasdsf1olem 24722 bl2in 24749 blssps 24773 blss 24774 blcld 24854 icopnfcld 25116 iocmnfcld 25117 bl2ioo 25141 blssioo 25144 xrtgioo 25156 xrsblre 25161 iccntr 25171 icccmplem2 25173 icccmp 25175 reconnlem2 25177 xrge0tsms 25184 icoopnst 25290 iocopnst 25291 ovolfioo 25818 ovolicc2lem1 25868 ovolicc2lem5 25872 voliunlem3 25903 icombl1 25914 icombl 25915 iccvolcl 25918 ovolioo 25919 ioovolcl 25921 uniiccdif 25929 volsup2 25956 mbfimasn 25983 ismbf3d 26005 mbfsup 26015 itg2seq 26093 bddiblnc 26192 dvlip2 26345 ply1remlem 26513 abelthlem3 26790 abelth 26798 sincosq2sgn 26858 sincosq3sgn 26859 sinq12ge0 26867 sincos6thpi 26874 sineq0 26882 efif1olem1 26900 efif1olem2 26901 efif1o 26904 eff1o 26907 loglesqrt 27119 basellem1 27438 pntlemo 27964 nmobndi 31407 nmopub2tALT 32541 nmfnleub2 32558 nmopcoadji 32733 rexdiv 33562 xrge0tsmsd 33704 pnfneige0 34653 lmxrge0 34654 hashf2 34786 sxbrsigalem0 34973 orvcgteel 35170 orvclteel 35175 signstfvn 35268 signstfvneq0 35271 signsvfn 35281 ivthALT 37301 icorempo 38466 icoreunrn 38474 iooelexlt 38477 relowlssretop 38478 relowlpssretop 38479 poimir 38763 mblfinlem2 38768 iblabsnclem 38793 ftc1anclem1 38803 ftc1anclem6 38808 areacirclem5 38822 areacirc 38823 blbnd 38913 iocmbl 44407 reabssgn 44828 supxrre3 46542 supxrgere 46550 infrpge 46568 infxrunb2 46584 infxrbnd2 46585 infleinflem2 46587 xrralrecnnle 46599 supxrunb3 46615 supminfxr2 46684 xrpnf 46700 ioomidp 46731 limsupre 46856 limsupub 46919 limsuppnflem 46925 limsupre3lem 46947 liminfgord 46969 liminflelimsuplem 46990 limsupgtlem 46992 limsupub2 47027 xlimpnfxnegmnf 47029 xlimmnfvlem2 47048 xlimmnfv 47049 xlimpnfvlem2 47052 xlimpnfv 47053 icccncfext 47102 volioc 47187 volico 47198 fourierdlem113 47434 meaiuninclem 47695 meaiuninc3v 47699 icoresmbl 47758 ovolval5lem1 47867 mbfresmf 47954 cnfsmf 47955 incsmf 47957 smfconst 47964 decsmf 47982 smfres 48005 smfco 48017 issmfle2d 48024 finfdm 48061 bgoldbtbndlem3 49110 rrxsphere 50065 i0oii 50239 io1ii 50240 |
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