| 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 13251 | . . 3 ⊢ < Or ℝ* | |
| 2 | 1 | a1i 11 | . 2 ⊢ (𝐴 ⊆ ℝ* → < Or ℝ*) |
| 3 | xrsupss 13420 | . 2 ⊢ (𝐴 ⊆ ℝ* → ∃𝑥 ∈ ℝ* (∀𝑦 ∈ 𝐴 ¬ 𝑥 < 𝑦 ∧ ∀𝑦 ∈ ℝ* (𝑦 < 𝑥 → ∃𝑧 ∈ 𝐴 𝑦 < 𝑧))) | |
| 4 | 2, 3 | supcl 9434 | 1 ⊢ (𝐴 ⊆ ℝ* → sup(𝐴, ℝ*, < ) ∈ ℝ*) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 ⊆ wss 3899 Or wor 5558 supcsup 9416 ℝ*cxr 11323 < clt 11324 |
| 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 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7740 ax-cnex 11237 ax-resscn 11238 ax-1cn 11239 ax-icn 11240 ax-addcl 11241 ax-addrcl 11242 ax-mulcl 11243 ax-mulrcl 11244 ax-mulcom 11245 ax-addass 11246 ax-mulass 11247 ax-distr 11248 ax-i2m1 11249 ax-1ne0 11250 ax-1rid 11251 ax-rnegex 11252 ax-rrecex 11253 ax-cnre 11254 ax-pre-lttri 11255 ax-pre-lttrn 11256 ax-pre-ltadd 11257 ax-pre-mulgt0 11258 ax-pre-sup 11259 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 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 6487 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-er 8701 df-en 8958 df-dom 8959 df-sdom 8960 df-sup 9418 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 df-sub 11524 df-neg 11525 |
| This theorem is used by: supxrun 13427 supxrmnf 13428 supxrbnd1 13432 supxrbnd2 13433 supxrub 13435 supxrleub 13437 supxrre 13438 supxrbnd 13439 supxrgtmnf 13440 supxrre1 13441 supxrre2 13442 supxrss 13443 ixxub 13478 limsupgord 15619 limsupcl 15620 limsupgf 15622 prdsdsf 24666 xpsdsval 24680 xrge0tsms 25134 elovolm 25776 ovolmge0 25778 ovolgelb 25781 ovollb2lem 25789 ovolunlem1a 25797 ovoliunlem1 25803 ovoliunlem2 25804 ovoliun 25806 ovolscalem1 25814 ovolicc1 25817 ovolicc2lem4 25821 voliunlem2 25852 voliunlem3 25853 ioombl1lem2 25860 uniioovol 25880 uniiccvol 25881 uniioombllem1 25882 uniioombllem3 25886 itg2cl 26033 itg2seq 26043 itg2monolem2 26052 itg2monolem3 26053 itg2mono 26054 mdeglt 26363 mdegxrcl 26365 radcnvcl 26726 nmoxr 31350 nmopxr 32450 nmfnxr 32463 xrofsup 33341 supxrnemnf 33342 xrge0tsmsd 33616 mblfinlem3 38545 mblfinlem4 38546 ismblfin 38547 itg2addnclem 38557 itg2gt0cn 38561 binomcxplemdvbinom 45296 binomcxplemcvg 45297 binomcxplemnotnn0 45299 supxrcld 46065 supxrgere 46289 supxrgelem 46293 supxrge 46294 suplesup 46295 suplesup2 46331 supxrcli 46388 liminfval2 46722 sge0cl 47335 sge0xaddlem1 47387 sge0xaddlem2 47388 sge0reuz 47401 |
| Copyright terms: Public domain | W3C validator |