Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > xrge0iifhmeo | Structured version Visualization version GIF version |
Description: Expose a homeomorphism from the closed unit interval to the extended nonnegative reals. (Contributed by Thierry Arnoux, 1-Apr-2017.) |
Ref | Expression |
---|---|
xrge0iifhmeo.1 | ⊢ 𝐹 = (𝑥 ∈ (0[,]1) ↦ if(𝑥 = 0, +∞, -(log‘𝑥))) |
xrge0iifhmeo.k | ⊢ 𝐽 = ((ordTop‘ ≤ ) ↾t (0[,]+∞)) |
Ref | Expression |
---|---|
xrge0iifhmeo | ⊢ 𝐹 ∈ (IIHomeo𝐽) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | letsr 17904 | . . . . . 6 ⊢ ≤ ∈ TosetRel | |
2 | tsrps 17898 | . . . . . 6 ⊢ ( ≤ ∈ TosetRel → ≤ ∈ PosetRel) | |
3 | 1, 2 | ax-mp 5 | . . . . 5 ⊢ ≤ ∈ PosetRel |
4 | 3 | elexi 3430 | . . . 4 ⊢ ≤ ∈ V |
5 | 4 | inex1 5188 | . . 3 ⊢ ( ≤ ∩ ((0[,]1) × (0[,]1))) ∈ V |
6 | cnvps 17889 | . . . . . 6 ⊢ ( ≤ ∈ PosetRel → ◡ ≤ ∈ PosetRel) | |
7 | 3, 6 | ax-mp 5 | . . . . 5 ⊢ ◡ ≤ ∈ PosetRel |
8 | 7 | elexi 3430 | . . . 4 ⊢ ◡ ≤ ∈ V |
9 | 8 | inex1 5188 | . . 3 ⊢ (◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞))) ∈ V |
10 | xrge0iifhmeo.1 | . . . . . . 7 ⊢ 𝐹 = (𝑥 ∈ (0[,]1) ↦ if(𝑥 = 0, +∞, -(log‘𝑥))) | |
11 | 10 | xrge0iifiso 31407 | . . . . . 6 ⊢ 𝐹 Isom < , ◡ < ((0[,]1), (0[,]+∞)) |
12 | iccssxr 12863 | . . . . . . 7 ⊢ (0[,]1) ⊆ ℝ* | |
13 | iccssxr 12863 | . . . . . . 7 ⊢ (0[,]+∞) ⊆ ℝ* | |
14 | gtiso 30558 | . . . . . . 7 ⊢ (((0[,]1) ⊆ ℝ* ∧ (0[,]+∞) ⊆ ℝ*) → (𝐹 Isom < , ◡ < ((0[,]1), (0[,]+∞)) ↔ 𝐹 Isom ≤ , ◡ ≤ ((0[,]1), (0[,]+∞)))) | |
15 | 12, 13, 14 | mp2an 692 | . . . . . 6 ⊢ (𝐹 Isom < , ◡ < ((0[,]1), (0[,]+∞)) ↔ 𝐹 Isom ≤ , ◡ ≤ ((0[,]1), (0[,]+∞))) |
16 | 11, 15 | mpbi 233 | . . . . 5 ⊢ 𝐹 Isom ≤ , ◡ ≤ ((0[,]1), (0[,]+∞)) |
17 | isores1 7082 | . . . . 5 ⊢ (𝐹 Isom ≤ , ◡ ≤ ((0[,]1), (0[,]+∞)) ↔ 𝐹 Isom ( ≤ ∩ ((0[,]1) × (0[,]1))), ◡ ≤ ((0[,]1), (0[,]+∞))) | |
18 | 16, 17 | mpbi 233 | . . . 4 ⊢ 𝐹 Isom ( ≤ ∩ ((0[,]1) × (0[,]1))), ◡ ≤ ((0[,]1), (0[,]+∞)) |
19 | isores2 7081 | . . . 4 ⊢ (𝐹 Isom ( ≤ ∩ ((0[,]1) × (0[,]1))), ◡ ≤ ((0[,]1), (0[,]+∞)) ↔ 𝐹 Isom ( ≤ ∩ ((0[,]1) × (0[,]1))), (◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞)))((0[,]1), (0[,]+∞))) | |
20 | 18, 19 | mpbi 233 | . . 3 ⊢ 𝐹 Isom ( ≤ ∩ ((0[,]1) × (0[,]1))), (◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞)))((0[,]1), (0[,]+∞)) |
21 | ledm 17901 | . . . . . . 7 ⊢ ℝ* = dom ≤ | |
22 | 21 | psssdm 17893 | . . . . . 6 ⊢ (( ≤ ∈ PosetRel ∧ (0[,]1) ⊆ ℝ*) → dom ( ≤ ∩ ((0[,]1) × (0[,]1))) = (0[,]1)) |
23 | 3, 12, 22 | mp2an 692 | . . . . 5 ⊢ dom ( ≤ ∩ ((0[,]1) × (0[,]1))) = (0[,]1) |
24 | 23 | eqcomi 2768 | . . . 4 ⊢ (0[,]1) = dom ( ≤ ∩ ((0[,]1) × (0[,]1))) |
25 | lern 17902 | . . . . . . . 8 ⊢ ℝ* = ran ≤ | |
26 | df-rn 5536 | . . . . . . . 8 ⊢ ran ≤ = dom ◡ ≤ | |
27 | 25, 26 | eqtri 2782 | . . . . . . 7 ⊢ ℝ* = dom ◡ ≤ |
28 | 27 | psssdm 17893 | . . . . . 6 ⊢ ((◡ ≤ ∈ PosetRel ∧ (0[,]+∞) ⊆ ℝ*) → dom (◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞))) = (0[,]+∞)) |
29 | 7, 13, 28 | mp2an 692 | . . . . 5 ⊢ dom (◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞))) = (0[,]+∞) |
30 | 29 | eqcomi 2768 | . . . 4 ⊢ (0[,]+∞) = dom (◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞))) |
31 | 24, 30 | ordthmeo 22503 | . . 3 ⊢ ((( ≤ ∩ ((0[,]1) × (0[,]1))) ∈ V ∧ (◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞))) ∈ V ∧ 𝐹 Isom ( ≤ ∩ ((0[,]1) × (0[,]1))), (◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞)))((0[,]1), (0[,]+∞))) → 𝐹 ∈ ((ordTop‘( ≤ ∩ ((0[,]1) × (0[,]1))))Homeo(ordTop‘(◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞)))))) |
32 | 5, 9, 20, 31 | mp3an 1459 | . 2 ⊢ 𝐹 ∈ ((ordTop‘( ≤ ∩ ((0[,]1) × (0[,]1))))Homeo(ordTop‘(◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞))))) |
33 | dfii5 23587 | . . 3 ⊢ II = (ordTop‘( ≤ ∩ ((0[,]1) × (0[,]1)))) | |
34 | xrge0iifhmeo.k | . . . 4 ⊢ 𝐽 = ((ordTop‘ ≤ ) ↾t (0[,]+∞)) | |
35 | iccss2 12851 | . . . . 5 ⊢ ((𝑥 ∈ (0[,]+∞) ∧ 𝑦 ∈ (0[,]+∞)) → (𝑥[,]𝑦) ⊆ (0[,]+∞)) | |
36 | 13, 35 | cnvordtrestixx 31385 | . . . 4 ⊢ ((ordTop‘ ≤ ) ↾t (0[,]+∞)) = (ordTop‘(◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞)))) |
37 | 34, 36 | eqtri 2782 | . . 3 ⊢ 𝐽 = (ordTop‘(◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞)))) |
38 | 33, 37 | oveq12i 7163 | . 2 ⊢ (IIHomeo𝐽) = ((ordTop‘( ≤ ∩ ((0[,]1) × (0[,]1))))Homeo(ordTop‘(◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞))))) |
39 | 32, 38 | eleqtrri 2852 | 1 ⊢ 𝐹 ∈ (IIHomeo𝐽) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 209 = wceq 1539 ∈ wcel 2112 Vcvv 3410 ∩ cin 3858 ⊆ wss 3859 ifcif 4421 ↦ cmpt 5113 × cxp 5523 ◡ccnv 5524 dom cdm 5525 ran crn 5526 ‘cfv 6336 Isom wiso 6337 (class class class)co 7151 0cc0 10576 1c1 10577 +∞cpnf 10711 ℝ*cxr 10713 < clt 10714 ≤ cle 10715 -cneg 10910 [,]cicc 12783 ↾t crest 16753 ordTopcordt 16831 PosetRelcps 17875 TosetRel ctsr 17876 Homeochmeo 22454 IIcii 23577 logclog 25246 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1912 ax-6 1971 ax-7 2016 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2159 ax-12 2176 ax-ext 2730 ax-rep 5157 ax-sep 5170 ax-nul 5177 ax-pow 5235 ax-pr 5299 ax-un 7460 ax-inf2 9138 ax-cnex 10632 ax-resscn 10633 ax-1cn 10634 ax-icn 10635 ax-addcl 10636 ax-addrcl 10637 ax-mulcl 10638 ax-mulrcl 10639 ax-mulcom 10640 ax-addass 10641 ax-mulass 10642 ax-distr 10643 ax-i2m1 10644 ax-1ne0 10645 ax-1rid 10646 ax-rnegex 10647 ax-rrecex 10648 ax-cnre 10649 ax-pre-lttri 10650 ax-pre-lttrn 10651 ax-pre-ltadd 10652 ax-pre-mulgt0 10653 ax-pre-sup 10654 ax-addf 10655 ax-mulf 10656 |
This theorem depends on definitions: df-bi 210 df-an 401 df-or 846 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2071 df-mo 2558 df-eu 2589 df-clab 2737 df-cleq 2751 df-clel 2831 df-nfc 2902 df-ne 2953 df-nel 3057 df-ral 3076 df-rex 3077 df-reu 3078 df-rmo 3079 df-rab 3080 df-v 3412 df-sbc 3698 df-csb 3807 df-dif 3862 df-un 3864 df-in 3866 df-ss 3876 df-pss 3878 df-nul 4227 df-if 4422 df-pw 4497 df-sn 4524 df-pr 4526 df-tp 4528 df-op 4530 df-uni 4800 df-int 4840 df-iun 4886 df-iin 4887 df-br 5034 df-opab 5096 df-mpt 5114 df-tr 5140 df-id 5431 df-eprel 5436 df-po 5444 df-so 5445 df-fr 5484 df-se 5485 df-we 5486 df-xp 5531 df-rel 5532 df-cnv 5533 df-co 5534 df-dm 5535 df-rn 5536 df-res 5537 df-ima 5538 df-pred 6127 df-ord 6173 df-on 6174 df-lim 6175 df-suc 6176 df-iota 6295 df-fun 6338 df-fn 6339 df-f 6340 df-f1 6341 df-fo 6342 df-f1o 6343 df-fv 6344 df-isom 6345 df-riota 7109 df-ov 7154 df-oprab 7155 df-mpo 7156 df-of 7406 df-om 7581 df-1st 7694 df-2nd 7695 df-supp 7837 df-wrecs 7958 df-recs 8019 df-rdg 8057 df-1o 8113 df-2o 8114 df-er 8300 df-map 8419 df-pm 8420 df-ixp 8481 df-en 8529 df-dom 8530 df-sdom 8531 df-fin 8532 df-fsupp 8868 df-fi 8909 df-sup 8940 df-inf 8941 df-oi 9008 df-card 9402 df-pnf 10716 df-mnf 10717 df-xr 10718 df-ltxr 10719 df-le 10720 df-sub 10911 df-neg 10912 df-div 11337 df-nn 11676 df-2 11738 df-3 11739 df-4 11740 df-5 11741 df-6 11742 df-7 11743 df-8 11744 df-9 11745 df-n0 11936 df-z 12022 df-dec 12139 df-uz 12284 df-q 12390 df-rp 12432 df-xneg 12549 df-xadd 12550 df-xmul 12551 df-ioo 12784 df-ioc 12785 df-ico 12786 df-icc 12787 df-fz 12941 df-fzo 13084 df-fl 13212 df-mod 13288 df-seq 13420 df-exp 13481 df-fac 13685 df-bc 13714 df-hash 13742 df-shft 14475 df-cj 14507 df-re 14508 df-im 14509 df-sqrt 14643 df-abs 14644 df-limsup 14877 df-clim 14894 df-rlim 14895 df-sum 15092 df-ef 15470 df-sin 15472 df-cos 15473 df-pi 15475 df-struct 16544 df-ndx 16545 df-slot 16546 df-base 16548 df-sets 16549 df-ress 16550 df-plusg 16637 df-mulr 16638 df-starv 16639 df-sca 16640 df-vsca 16641 df-ip 16642 df-tset 16643 df-ple 16644 df-ds 16646 df-unif 16647 df-hom 16648 df-cco 16649 df-rest 16755 df-topn 16756 df-0g 16774 df-gsum 16775 df-topgen 16776 df-pt 16777 df-prds 16780 df-ordt 16833 df-xrs 16834 df-qtop 16839 df-imas 16840 df-xps 16842 df-mre 16916 df-mrc 16917 df-acs 16919 df-ps 17877 df-tsr 17878 df-mgm 17919 df-sgrp 17968 df-mnd 17979 df-submnd 18024 df-mulg 18293 df-cntz 18515 df-cmn 18976 df-psmet 20159 df-xmet 20160 df-met 20161 df-bl 20162 df-mopn 20163 df-fbas 20164 df-fg 20165 df-cnfld 20168 df-top 21595 df-topon 21612 df-topsp 21634 df-bases 21647 df-cld 21720 df-ntr 21721 df-cls 21722 df-nei 21799 df-lp 21837 df-perf 21838 df-cn 21928 df-cnp 21929 df-haus 22016 df-tx 22263 df-hmeo 22456 df-fil 22547 df-fm 22639 df-flim 22640 df-flf 22641 df-xms 23023 df-ms 23024 df-tms 23025 df-ii 23579 df-cncf 23580 df-limc 24566 df-dv 24567 df-log 25248 |
This theorem is referenced by: xrge0pluscn 31412 xrge0tmd 31417 |
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