| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > supxrcl | Structured version Visualization version GIF version | ||
| Description: The supremum of an arbitrary set of extended reals is an extended real. (Contributed by NM, 24-Oct-2005.) |
| Ref | Expression |
|---|---|
| supxrcl | ⊢ (𝐴 ⊆ ℝ* → sup(𝐴, ℝ*, < ) ∈ ℝ*) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xrltso 13154 | . . 3 ⊢ < Or ℝ* | |
| 2 | 1 | a1i 11 | . 2 ⊢ (𝐴 ⊆ ℝ* → < Or ℝ*) |
| 3 | xrsupss 13323 | . 2 ⊢ (𝐴 ⊆ ℝ* → ∃𝑥 ∈ ℝ* (∀𝑦 ∈ 𝐴 ¬ 𝑥 < 𝑦 ∧ ∀𝑦 ∈ ℝ* (𝑦 < 𝑥 → ∃𝑧 ∈ 𝐴 𝑦 < 𝑧))) | |
| 4 | 2, 3 | supcl 9406 | 1 ⊢ (𝐴 ⊆ ℝ* → sup(𝐴, ℝ*, < ) ∈ ℝ*) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2145 ⊆ wss 3907 Or wor 5558 supcsup 9388 ℝ*cxr 11230 < clt 11231 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-sep 5250 ax-nul 5260 ax-pow 5326 ax-pr 5394 ax-un 7722 ax-cnex 11144 ax-resscn 11145 ax-1cn 11146 ax-icn 11147 ax-addcl 11148 ax-addrcl 11149 ax-mulcl 11150 ax-mulrcl 11151 ax-mulcom 11152 ax-addass 11153 ax-mulass 11154 ax-distr 11155 ax-i2m1 11156 ax-1ne0 11157 ax-1rid 11158 ax-rnegex 11159 ax-rrecex 11160 ax-cnre 11161 ax-pre-lttri 11162 ax-pre-lttrn 11163 ax-pre-ltadd 11164 ax-pre-mulgt0 11165 ax-pre-sup 11166 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3370 df-reu 3371 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-br 5105 df-opab 5167 df-mpt 5186 df-id 5546 df-po 5559 df-so 5560 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-riota 7357 df-ov 7403 df-oprab 7404 df-mpo 7405 df-er 8682 df-en 8932 df-dom 8933 df-sdom 8934 df-sup 9390 df-pnf 11233 df-mnf 11234 df-xr 11235 df-ltxr 11236 df-le 11237 df-sub 11431 df-neg 11432 |
| This theorem is referenced by: supxrun 13330 supxrmnf 13331 supxrbnd1 13335 supxrbnd2 13336 supxrub 13338 supxrleub 13340 supxrre 13341 supxrbnd 13342 supxrgtmnf 13343 supxrre1 13344 supxrre2 13345 supxrss 13346 ixxub 13381 limsupgord 15511 limsupcl 15512 limsupgf 15514 prdsdsf 24481 xpsdsval 24495 xrge0tsms 24949 elovolm 25591 ovolmge0 25593 ovolgelb 25596 ovollb2lem 25604 ovolunlem1a 25612 ovoliunlem1 25618 ovoliunlem2 25619 ovoliun 25621 ovolscalem1 25629 ovolicc1 25632 ovolicc2lem4 25636 voliunlem2 25667 voliunlem3 25668 ioombl1lem2 25675 uniioovol 25695 uniiccvol 25696 uniioombllem1 25697 uniioombllem3 25701 itg2cl 25848 itg2seq 25858 itg2monolem2 25867 itg2monolem3 25868 itg2mono 25869 mdeglt 26179 mdegxrcl 26181 radcnvcl 26534 nmoxr 31023 nmopxr 32123 nmfnxr 32136 xrofsup 33020 supxrnemnf 33021 xrge0tsmsd 33301 mblfinlem3 38165 mblfinlem4 38166 ismblfin 38167 itg2addnclem 38177 itg2gt0cn 38181 binomcxplemdvbinom 44922 binomcxplemcvg 44923 binomcxplemnotnn0 44925 supxrcld 45684 supxrgere 45908 supxrgelem 45912 supxrge 45913 suplesup 45914 suplesup2 45950 supxrcli 46007 liminfval2 46341 sge0cl 46954 sge0xaddlem1 47006 sge0xaddlem2 47007 sge0reuz 47020 |
| Copyright terms: Public domain | W3C validator |