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 18226 | . . . . . 6 ⊢ ≤ ∈ TosetRel | |
2 | tsrps 18220 | . . . . . 6 ⊢ ( ≤ ∈ TosetRel → ≤ ∈ PosetRel) | |
3 | 1, 2 | ax-mp 5 | . . . . 5 ⊢ ≤ ∈ PosetRel |
4 | 3 | elexi 3441 | . . . 4 ⊢ ≤ ∈ V |
5 | 4 | inex1 5236 | . . 3 ⊢ ( ≤ ∩ ((0[,]1) × (0[,]1))) ∈ V |
6 | cnvps 18211 | . . . . . 6 ⊢ ( ≤ ∈ PosetRel → ◡ ≤ ∈ PosetRel) | |
7 | 3, 6 | ax-mp 5 | . . . . 5 ⊢ ◡ ≤ ∈ PosetRel |
8 | 7 | elexi 3441 | . . . 4 ⊢ ◡ ≤ ∈ V |
9 | 8 | inex1 5236 | . . 3 ⊢ (◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞))) ∈ V |
10 | xrge0iifhmeo.1 | . . . . . . 7 ⊢ 𝐹 = (𝑥 ∈ (0[,]1) ↦ if(𝑥 = 0, +∞, -(log‘𝑥))) | |
11 | 10 | xrge0iifiso 31787 | . . . . . 6 ⊢ 𝐹 Isom < , ◡ < ((0[,]1), (0[,]+∞)) |
12 | iccssxr 13091 | . . . . . . 7 ⊢ (0[,]1) ⊆ ℝ* | |
13 | iccssxr 13091 | . . . . . . 7 ⊢ (0[,]+∞) ⊆ ℝ* | |
14 | gtiso 30935 | . . . . . . 7 ⊢ (((0[,]1) ⊆ ℝ* ∧ (0[,]+∞) ⊆ ℝ*) → (𝐹 Isom < , ◡ < ((0[,]1), (0[,]+∞)) ↔ 𝐹 Isom ≤ , ◡ ≤ ((0[,]1), (0[,]+∞)))) | |
15 | 12, 13, 14 | mp2an 688 | . . . . . 6 ⊢ (𝐹 Isom < , ◡ < ((0[,]1), (0[,]+∞)) ↔ 𝐹 Isom ≤ , ◡ ≤ ((0[,]1), (0[,]+∞))) |
16 | 11, 15 | mpbi 229 | . . . . 5 ⊢ 𝐹 Isom ≤ , ◡ ≤ ((0[,]1), (0[,]+∞)) |
17 | isores1 7185 | . . . . 5 ⊢ (𝐹 Isom ≤ , ◡ ≤ ((0[,]1), (0[,]+∞)) ↔ 𝐹 Isom ( ≤ ∩ ((0[,]1) × (0[,]1))), ◡ ≤ ((0[,]1), (0[,]+∞))) | |
18 | 16, 17 | mpbi 229 | . . . 4 ⊢ 𝐹 Isom ( ≤ ∩ ((0[,]1) × (0[,]1))), ◡ ≤ ((0[,]1), (0[,]+∞)) |
19 | isores2 7184 | . . . 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 229 | . . 3 ⊢ 𝐹 Isom ( ≤ ∩ ((0[,]1) × (0[,]1))), (◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞)))((0[,]1), (0[,]+∞)) |
21 | ledm 18223 | . . . . . . 7 ⊢ ℝ* = dom ≤ | |
22 | 21 | psssdm 18215 | . . . . . 6 ⊢ (( ≤ ∈ PosetRel ∧ (0[,]1) ⊆ ℝ*) → dom ( ≤ ∩ ((0[,]1) × (0[,]1))) = (0[,]1)) |
23 | 3, 12, 22 | mp2an 688 | . . . . 5 ⊢ dom ( ≤ ∩ ((0[,]1) × (0[,]1))) = (0[,]1) |
24 | 23 | eqcomi 2747 | . . . 4 ⊢ (0[,]1) = dom ( ≤ ∩ ((0[,]1) × (0[,]1))) |
25 | lern 18224 | . . . . . . . 8 ⊢ ℝ* = ran ≤ | |
26 | df-rn 5591 | . . . . . . . 8 ⊢ ran ≤ = dom ◡ ≤ | |
27 | 25, 26 | eqtri 2766 | . . . . . . 7 ⊢ ℝ* = dom ◡ ≤ |
28 | 27 | psssdm 18215 | . . . . . 6 ⊢ ((◡ ≤ ∈ PosetRel ∧ (0[,]+∞) ⊆ ℝ*) → dom (◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞))) = (0[,]+∞)) |
29 | 7, 13, 28 | mp2an 688 | . . . . 5 ⊢ dom (◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞))) = (0[,]+∞) |
30 | 29 | eqcomi 2747 | . . . 4 ⊢ (0[,]+∞) = dom (◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞))) |
31 | 24, 30 | ordthmeo 22861 | . . 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 23954 | . . 3 ⊢ II = (ordTop‘( ≤ ∩ ((0[,]1) × (0[,]1)))) | |
34 | xrge0iifhmeo.k | . . . 4 ⊢ 𝐽 = ((ordTop‘ ≤ ) ↾t (0[,]+∞)) | |
35 | iccss2 13079 | . . . . 5 ⊢ ((𝑥 ∈ (0[,]+∞) ∧ 𝑦 ∈ (0[,]+∞)) → (𝑥[,]𝑦) ⊆ (0[,]+∞)) | |
36 | 13, 35 | cnvordtrestixx 31765 | . . . 4 ⊢ ((ordTop‘ ≤ ) ↾t (0[,]+∞)) = (ordTop‘(◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞)))) |
37 | 34, 36 | eqtri 2766 | . . 3 ⊢ 𝐽 = (ordTop‘(◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞)))) |
38 | 33, 37 | oveq12i 7267 | . 2 ⊢ (IIHomeo𝐽) = ((ordTop‘( ≤ ∩ ((0[,]1) × (0[,]1))))Homeo(ordTop‘(◡ ≤ ∩ ((0[,]+∞) × (0[,]+∞))))) |
39 | 32, 38 | eleqtrri 2838 | 1 ⊢ 𝐹 ∈ (IIHomeo𝐽) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 205 = wceq 1539 ∈ wcel 2108 Vcvv 3422 ∩ cin 3882 ⊆ wss 3883 ifcif 4456 ↦ cmpt 5153 × cxp 5578 ◡ccnv 5579 dom cdm 5580 ran crn 5581 ‘cfv 6418 Isom wiso 6419 (class class class)co 7255 0cc0 10802 1c1 10803 +∞cpnf 10937 ℝ*cxr 10939 < clt 10940 ≤ cle 10941 -cneg 11136 [,]cicc 13011 ↾t crest 17048 ordTopcordt 17127 PosetRelcps 18197 TosetRel ctsr 18198 Homeochmeo 22812 IIcii 23944 logclog 25615 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-inf2 9329 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 ax-pre-sup 10880 ax-addf 10881 ax-mulf 10882 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-iin 4924 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-se 5536 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-isom 6427 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-of 7511 df-om 7688 df-1st 7804 df-2nd 7805 df-supp 7949 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-2o 8268 df-er 8456 df-map 8575 df-pm 8576 df-ixp 8644 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-fsupp 9059 df-fi 9100 df-sup 9131 df-inf 9132 df-oi 9199 df-card 9628 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-div 11563 df-nn 11904 df-2 11966 df-3 11967 df-4 11968 df-5 11969 df-6 11970 df-7 11971 df-8 11972 df-9 11973 df-n0 12164 df-z 12250 df-dec 12367 df-uz 12512 df-q 12618 df-rp 12660 df-xneg 12777 df-xadd 12778 df-xmul 12779 df-ioo 13012 df-ioc 13013 df-ico 13014 df-icc 13015 df-fz 13169 df-fzo 13312 df-fl 13440 df-mod 13518 df-seq 13650 df-exp 13711 df-fac 13916 df-bc 13945 df-hash 13973 df-shft 14706 df-cj 14738 df-re 14739 df-im 14740 df-sqrt 14874 df-abs 14875 df-limsup 15108 df-clim 15125 df-rlim 15126 df-sum 15326 df-ef 15705 df-sin 15707 df-cos 15708 df-pi 15710 df-struct 16776 df-sets 16793 df-slot 16811 df-ndx 16823 df-base 16841 df-ress 16868 df-plusg 16901 df-mulr 16902 df-starv 16903 df-sca 16904 df-vsca 16905 df-ip 16906 df-tset 16907 df-ple 16908 df-ds 16910 df-unif 16911 df-hom 16912 df-cco 16913 df-rest 17050 df-topn 17051 df-0g 17069 df-gsum 17070 df-topgen 17071 df-pt 17072 df-prds 17075 df-ordt 17129 df-xrs 17130 df-qtop 17135 df-imas 17136 df-xps 17138 df-mre 17212 df-mrc 17213 df-acs 17215 df-ps 18199 df-tsr 18200 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-submnd 18346 df-mulg 18616 df-cntz 18838 df-cmn 19303 df-psmet 20502 df-xmet 20503 df-met 20504 df-bl 20505 df-mopn 20506 df-fbas 20507 df-fg 20508 df-cnfld 20511 df-top 21951 df-topon 21968 df-topsp 21990 df-bases 22004 df-cld 22078 df-ntr 22079 df-cls 22080 df-nei 22157 df-lp 22195 df-perf 22196 df-cn 22286 df-cnp 22287 df-haus 22374 df-tx 22621 df-hmeo 22814 df-fil 22905 df-fm 22997 df-flim 22998 df-flf 22999 df-xms 23381 df-ms 23382 df-tms 23383 df-ii 23946 df-cncf 23947 df-limc 24935 df-dv 24936 df-log 25617 |
This theorem is referenced by: xrge0pluscn 31792 xrge0tmd 31797 |
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