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Mirrors > Home > MPE Home > Th. List > 1xr | Structured version Visualization version GIF version |
Description: 1 is an extended real number. (Contributed by Glauco Siliprandi, 2-Jan-2022.) |
Ref | Expression |
---|---|
1xr | ⊢ 1 ∈ ℝ* |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1re 10635 | . 2 ⊢ 1 ∈ ℝ | |
2 | 1 | rexri 10693 | 1 ⊢ 1 ∈ ℝ* |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2110 1c1 10532 ℝ*cxr 10668 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-mulcl 10593 ax-mulrcl 10594 ax-i2m1 10599 ax-1ne0 10600 ax-rrecex 10603 ax-cnre 10604 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-sn 4561 df-pr 4563 df-op 4567 df-uni 4832 df-br 5059 df-iota 6308 df-fv 6357 df-ov 7153 df-xr 10673 |
This theorem is referenced by: xmulid1 12666 xmulid2 12667 xmulm1 12668 x2times 12686 xov1plusxeqvd 12878 ico01fl0 13183 hashge1 13744 hashgt12el 13777 hashgt12el2 13778 hashgt23el 13779 sgn1 14445 fprodge1 15343 halfleoddlt 15705 isnzr2hash 20031 0ringnnzr 20036 xrsnsgrp 20575 leordtval2 21814 unirnblps 23023 unirnbl 23024 mopnex 23123 dscopn 23177 nmoid 23345 xrsmopn 23414 zdis 23418 metnrmlem1a 23460 metnrmlem1 23461 icopnfcnv 23540 icopnfhmeo 23541 iccpnfcnv 23542 iccpnfhmeo 23543 cncmet 23919 itg2monolem1 24345 itg2monolem3 24347 abelthlem2 25014 abelthlem3 25015 abelthlem5 25017 abelthlem7 25020 abelth 25023 dvlog2lem 25229 dvlog2 25230 logtayl 25237 logtayl2 25239 scvxcvx 25557 pntibndlem1 26159 pntibndlem2 26161 pntibnd 26163 pntlemc 26165 pnt 26184 padicabvf 26201 padicabvcxp 26202 elntg2 26765 nmopun 29785 pjnmopi 29919 xlt2addrd 30476 xdivrec 30598 xrsmulgzz 30660 xrnarchi 30808 unitssxrge0 31138 xrge0iifcnv 31171 xrge0iifiso 31173 xrge0iifhom 31175 hasheuni 31339 ddemeas 31490 omssubadd 31553 prob01 31666 lfuhgr2 32360 dnizeq0 33809 broucube 34920 asindmre 34971 dvasin 34972 areacirclem1 34976 imo72b2 40518 cvgdvgrat 40638 supxrgelem 41598 xrlexaddrp 41613 infxr 41628 infleinflem2 41632 limsup10exlem 42046 limsup10ex 42047 liminf10ex 42048 salexct2 42616 salgencntex 42620 ovn0lem 42841 expnegico01 44567 regt1loggt0 44590 rege1logbrege0 44612 rege1logbzge0 44613 dignnld 44657 eenglngeehlnmlem1 44718 eenglngeehlnmlem2 44719 |
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