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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 11356 | . 2 ⊢ ℝ ⊆ ℝ* | |
| 2 | 1 | sseli 3904 | 1 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ*) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2144 ℝcr 11202 ℝ*cxr 11345 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-tru 1572 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-v 3452 df-ss 3896 df-un 4151 df-xr 11350 |
| This theorem is used by: rexri 11370 lenlt 11391 ltpnf 13252 mnflt 13255 xrltnsym 13269 xrlttr 13272 xrre 13302 xrre3 13304 max1 13318 max2 13320 min1 13322 min2 13323 maxle 13324 lemin 13325 maxlt 13326 ltmin 13327 max0sub 13329 qbtwnxr 13333 xralrple 13338 alrple 13339 xltnegi 13349 rexadd 13365 xaddnemnf 13369 xaddnepnf 13370 xaddcom 13373 xnegdi 13381 xpncan 13384 xnpcan 13385 xleadd1a 13386 xleadd1 13388 xltadd1 13389 xltadd2 13390 xsubge0 13394 rexmul 13404 xadddilem 13427 xadddir 13429 xrsupsslem 13440 xrinfmsslem 13441 xrub 13445 supxrun 13449 supxrunb1 13452 supxrunb2 13453 supxrbnd1 13454 supxrbnd2 13455 xrsup0 13456 supxrbnd 13461 infmremnf 13477 elioo4g 13540 elioc2 13543 elico2 13544 elicc2 13545 iccss 13548 iooshf 13560 iooneg 13605 icoshft 13607 difreicc 13618 hashbnd 14483 sgnneg 15258 sgnclre 15260 elicc4abs 15492 icodiamlt 15610 limsupgord 15644 pcadd 17072 ramubcl 17201 lt6abl 20114 xrsmcmn 21706 xrsdsreval 21723 xrs1mnd 21751 xrs10 21752 psmetge0 24636 xmetge0 24668 imasdsf1olem 24697 bl2in 24724 blssps 24748 blss 24749 blcld 24829 icopnfcld 25091 iocmnfcld 25092 bl2ioo 25116 blssioo 25119 xrtgioo 25131 xrsblre 25136 iccntr 25146 icccmplem2 25148 icccmp 25150 reconnlem2 25152 xrge0tsms 25159 icoopnst 25265 iocopnst 25266 ovolfioo 25793 ovolicc2lem1 25843 ovolicc2lem5 25847 voliunlem3 25878 icombl1 25889 icombl 25890 iccvolcl 25893 ovolioo 25894 ioovolcl 25896 uniiccdif 25904 volsup2 25931 mbfimasn 25958 ismbf3d 25980 mbfsup 25990 itg2seq 26068 bddiblnc 26167 dvlip2 26320 ply1remlem 26488 abelthlem3 26765 abelth 26773 sincosq2sgn 26833 sincosq3sgn 26834 sinq12ge0 26842 sincos6thpi 26849 sineq0 26857 efif1olem1 26875 efif1olem2 26876 efif1o 26879 eff1o 26882 loglesqrt 27094 basellem1 27413 pntlemo 27939 nmobndi 31382 nmopub2tALT 32516 nmfnleub2 32533 nmopcoadji 32708 rexdiv 33538 xrge0tsmsd 33680 pnfneige0 34629 lmxrge0 34630 hashf2 34762 sxbrsigalem0 34949 orvcgteel 35146 orvclteel 35151 signstfvn 35244 signstfvneq0 35247 signsvfn 35257 ivthALT 37215 icorempo 38367 icoreunrn 38375 iooelexlt 38378 relowlssretop 38379 relowlpssretop 38380 poimir 38664 mblfinlem2 38669 iblabsnclem 38694 ftc1anclem1 38704 ftc1anclem6 38709 areacirclem5 38723 areacirc 38724 blbnd 38814 iocmbl 44308 reabssgn 44729 supxrre3 46430 supxrgere 46438 infrpge 46456 infxrunb2 46472 infxrbnd2 46473 infleinflem2 46475 xrralrecnnle 46487 supxrunb3 46503 supminfxr2 46572 xrpnf 46588 ioomidp 46619 limsupre 46744 limsupub 46807 limsuppnflem 46813 limsupre3lem 46835 liminfgord 46857 liminflelimsuplem 46878 limsupgtlem 46880 limsupub2 46915 xlimpnfxnegmnf 46917 xlimmnfvlem2 46936 xlimmnfv 46937 xlimpnfvlem2 46940 xlimpnfv 46941 icccncfext 46990 volioc 47075 volico 47086 fourierdlem113 47322 meaiuninclem 47583 meaiuninc3v 47587 icoresmbl 47646 ovolval5lem1 47755 mbfresmf 47842 cnfsmf 47843 incsmf 47845 smfconst 47852 decsmf 47870 smfres 47893 smfco 47905 issmfle2d 47912 finfdm 47949 bgoldbtbndlem3 48998 rrxsphere 49953 i0oii 50127 io1ii 50128 |
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