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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 11271 | . 2 ⊢ ℝ ⊆ ℝ* | |
| 2 | 1 | sseli 3936 | 1 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ*) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2146 ℝcr 11117 ℝ*cxr 11260 |
| 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-v 3460 df-un 3913 df-ss 3925 df-xr 11265 |
| This theorem is used by: rexri 11285 lenlt 11306 ltpnf 13163 mnflt 13166 xrltnsym 13180 xrlttr 13183 xrre 13213 xrre3 13215 max1 13229 max2 13231 min1 13233 min2 13234 maxle 13235 lemin 13236 maxlt 13237 ltmin 13238 max0sub 13240 qbtwnxr 13244 xralrple 13249 alrple 13250 xltnegi 13260 rexadd 13276 xaddnemnf 13280 xaddnepnf 13281 xaddcom 13284 xnegdi 13292 xpncan 13295 xnpcan 13296 xleadd1a 13297 xleadd1 13299 xltadd1 13300 xltadd2 13301 xsubge0 13305 rexmul 13315 xadddilem 13338 xadddir 13340 xrsupsslem 13351 xrinfmsslem 13352 xrub 13356 supxrun 13360 supxrunb1 13363 supxrunb2 13364 supxrbnd1 13365 supxrbnd2 13366 xrsup0 13367 supxrbnd 13372 infmremnf 13388 elioo4g 13451 elioc2 13454 elico2 13455 elicc2 13456 iccss 13459 iooshf 13471 iooneg 13516 icoshft 13518 difreicc 13529 hashbnd 14392 sgnneg 15163 sgnclre 15165 elicc4abs 15397 icodiamlt 15515 limsupgord 15549 pcadd 16974 ramubcl 17103 lt6abl 19996 xrsmcmn 21582 xrsdsreval 21599 xrs1mnd 21627 xrs10 21628 psmetge0 24506 xmetge0 24538 imasdsf1olem 24567 bl2in 24594 blssps 24618 blss 24619 blcld 24699 icopnfcld 24961 iocmnfcld 24962 bl2ioo 24986 blssioo 24989 xrtgioo 25001 xrsblre 25006 iccntr 25016 icccmplem2 25018 icccmp 25020 reconnlem2 25022 xrge0tsms 25029 icoopnst 25135 iocopnst 25136 ovolfioo 25663 ovolicc2lem1 25713 ovolicc2lem5 25717 voliunlem3 25748 icombl1 25759 icombl 25760 iccvolcl 25763 ovolioo 25764 ioovolcl 25766 uniiccdif 25774 volsup2 25801 mbfimasn 25828 ismbf3d 25850 mbfsup 25860 itg2seq 25938 bddiblnc 26038 dvlip2 26191 ply1remlem 26359 abelthlem3 26633 abelth 26641 sincosq2sgn 26701 sincosq3sgn 26702 sinq12ge0 26710 sincos6thpi 26718 sineq0 26726 efif1olem1 26744 efif1olem2 26745 efif1o 26748 eff1o 26751 loglesqrt 26963 basellem1 27282 pntlemo 27808 nmobndi 31164 nmopub2tALT 32298 nmfnleub2 32315 nmopcoadji 32490 rexdiv 33282 xrge0tsmsd 33424 pnfneige0 34372 lmxrge0 34373 hashf2 34505 sxbrsigalem0 34693 orvcgteel 34890 orvclteel 34895 signstfvn 34988 signstfvneq0 34991 signsvfn 35001 ivthALT 36887 icorempo 38038 icoreunrn 38046 iooelexlt 38049 relowlssretop 38050 relowlpssretop 38051 poimir 38345 mblfinlem2 38350 iblabsnclem 38375 ftc1anclem1 38385 ftc1anclem6 38390 areacirclem5 38404 areacirc 38405 blbnd 38479 iocmbl 43981 reabssgn 44403 supxrre3 46082 supxrgere 46090 infrpge 46108 infxrunb2 46124 infxrbnd2 46125 infleinflem2 46127 xrralrecnnle 46139 supxrunb3 46155 supminfxr2 46224 xrpnf 46240 ioomidp 46271 limsupre 46396 limsupub 46459 limsuppnflem 46465 limsupre3lem 46487 liminfgord 46509 liminflelimsuplem 46530 limsupgtlem 46532 limsupub2 46567 xlimpnfxnegmnf 46569 xlimmnfvlem2 46588 xlimmnfv 46589 xlimpnfvlem2 46592 xlimpnfv 46593 icccncfext 46642 volioc 46727 volico 46738 fourierdlem113 46974 meaiuninclem 47235 meaiuninc3v 47239 icoresmbl 47298 ovolval5lem1 47407 mbfresmf 47494 cnfsmf 47495 incsmf 47497 smfconst 47504 decsmf 47522 smfres 47545 smfco 47557 issmfle2d 47564 finfdm 47601 bgoldbtbndlem3 48613 rrxsphere 49569 i0oii 49739 io1ii 49740 |
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