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| Mirrors > Home > MPE Home > Th. List > Mathboxes > xrge0tmd | Structured version Visualization version GIF version | ||
| Description: The extended nonnegative real numbers monoid is a topological monoid. (Contributed by Thierry Arnoux, 26-Mar-2017.) (Proof Shortened by Thierry Arnoux, 21-Jun-2017.) |
| Ref | Expression |
|---|---|
| xrge0tmd | ⊢ (ℝ*𝑠 ↾s (0[,]+∞)) ∈ TopMnd |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqeq1 2767 | . . . . 5 ⊢ (𝑥 = 𝑦 → (𝑥 = 0 ↔ 𝑦 = 0)) | |
| 2 | fveq2 6893 | . . . . . 6 ⊢ (𝑥 = 𝑦 → (log‘𝑥) = (log‘𝑦)) | |
| 3 | 2 | negeqd 11561 | . . . . 5 ⊢ (𝑥 = 𝑦 → -(log‘𝑥) = -(log‘𝑦)) |
| 4 | 1, 3 | ifbieq2d 4511 | . . . 4 ⊢ (𝑥 = 𝑦 → if(𝑥 = 0, +∞, -(log‘𝑥)) = if(𝑦 = 0, +∞, -(log‘𝑦))) |
| 5 | 4 | cbvmptv 5211 | . . 3 ⊢ (𝑥 ∈ (0[,]1) ↦ if(𝑥 = 0, +∞, -(log‘𝑥))) = (𝑦 ∈ (0[,]1) ↦ if(𝑦 = 0, +∞, -(log‘𝑦))) |
| 6 | xrge0topn 34628 | . . 3 ⊢ (TopOpen‘(ℝ*𝑠 ↾s (0[,]+∞))) = ((ordTop‘ ≤ ) ↾t (0[,]+∞)) | |
| 7 | 5, 6 | xrge0iifmhm 34624 | . 2 ⊢ (𝑥 ∈ (0[,]1) ↦ if(𝑥 = 0, +∞, -(log‘𝑥))) ∈ (((mulGrp‘ℂfld) ↾s (0[,]1)) MndHom (ℝ*𝑠 ↾s (0[,]+∞))) |
| 8 | 5, 6 | xrge0iifhmeo 34621 | . . 3 ⊢ (𝑥 ∈ (0[,]1) ↦ if(𝑥 = 0, +∞, -(log‘𝑥))) ∈ (IIHomeo(TopOpen‘(ℝ*𝑠 ↾s (0[,]+∞)))) |
| 9 | cnfldex 21693 | . . . . . 6 ⊢ ℂfld ∈ V | |
| 10 | ovex 7460 | . . . . . 6 ⊢ (0[,]1) ∈ V | |
| 11 | eqid 2763 | . . . . . . 7 ⊢ (ℂfld ↾s (0[,]1)) = (ℂfld ↾s (0[,]1)) | |
| 12 | eqid 2763 | . . . . . . 7 ⊢ (mulGrp‘ℂfld) = (mulGrp‘ℂfld) | |
| 13 | 11, 12 | mgpress 20382 | . . . . . 6 ⊢ ((ℂfld ∈ V ∧ (0[,]1) ∈ V) → ((mulGrp‘ℂfld) ↾s (0[,]1)) = (mulGrp‘(ℂfld ↾s (0[,]1)))) |
| 14 | 9, 10, 13 | mp2an 705 | . . . . 5 ⊢ ((mulGrp‘ℂfld) ↾s (0[,]1)) = (mulGrp‘(ℂfld ↾s (0[,]1))) |
| 15 | 11 | dfii4 25217 | . . . . 5 ⊢ II = (TopOpen‘(ℂfld ↾s (0[,]1))) |
| 16 | 14, 15 | mgptopn 20380 | . . . 4 ⊢ II = (TopOpen‘((mulGrp‘ℂfld) ↾s (0[,]1))) |
| 17 | 16 | oveq1i 7437 | . . 3 ⊢ (IIHomeo(TopOpen‘(ℝ*𝑠 ↾s (0[,]+∞)))) = ((TopOpen‘((mulGrp‘ℂfld) ↾s (0[,]1)))Homeo(TopOpen‘(ℝ*𝑠 ↾s (0[,]+∞)))) |
| 18 | 8, 17 | eleqtri 2861 | . 2 ⊢ (𝑥 ∈ (0[,]1) ↦ if(𝑥 = 0, +∞, -(log‘𝑥))) ∈ ((TopOpen‘((mulGrp‘ℂfld) ↾s (0[,]1)))Homeo(TopOpen‘(ℝ*𝑠 ↾s (0[,]+∞)))) |
| 19 | eqid 2763 | . . 3 ⊢ ((mulGrp‘ℂfld) ↾s (0[,]1)) = ((mulGrp‘ℂfld) ↾s (0[,]1)) | |
| 20 | 19 | iistmd 34587 | . 2 ⊢ ((mulGrp‘ℂfld) ↾s (0[,]1)) ∈ TopMnd |
| 21 | xrge0tps 34627 | . 2 ⊢ (ℝ*𝑠 ↾s (0[,]+∞)) ∈ TopSp | |
| 22 | 7, 18, 20, 21 | mhmhmeotmd 34612 | 1 ⊢ (ℝ*𝑠 ↾s (0[,]+∞)) ∈ TopMnd |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 ∈ wcel 2146 Vcvv 3453 ifcif 4484 ↦ cmpt 5188 ‘cfv 6546 (class class class)co 7427 0cc0 11210 1c1 11211 +∞cpnf 11350 -cneg 11552 [,]cicc 13489 ↾s cress 17420 TopOpenctopn 17604 ℝ*𝑠cxrs 17684 mulGrpcmgp 20372 ℂfldccnfld 21690 Homeochmeo 24084 TopMndctmd 24401 IIcii 25208 logclog 26894 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-rep 5234 ax-sep 5251 ax-nul 5262 ax-pow 5330 ax-pr 5394 ax-un 7758 ax-inf2 9652 ax-cnex 11266 ax-resscn 11267 ax-1cn 11268 ax-icn 11269 ax-addcl 11270 ax-addrcl 11271 ax-mulcl 11272 ax-mulrcl 11273 ax-mulcom 11274 ax-addass 11275 ax-mulass 11276 ax-distr 11277 ax-i2m1 11278 ax-1ne0 11279 ax-1rid 11280 ax-rnegex 11281 ax-rrecex 11282 ax-cnre 11283 ax-pre-lttri 11284 ax-pre-lttrn 11285 ax-pre-ltadd 11286 ax-pre-mulgt0 11287 ax-pre-sup 11288 ax-addf 11289 ax-mulf 11290 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3368 df-reu 3369 df-rab 3416 df-v 3455 df-sbc 3742 df-csb 3851 df-ss 3900 df-pss 4016 df-dif 4049 df-in 4093 df-un 4153 df-nul 4281 df-if 4485 df-pw 4561 df-sn 4588 df-pr 4590 df-tp 4592 df-op 4838 df-uni 4870 df-int 4910 df-iun 4955 df-iin 4956 df-br 5106 df-opab 5170 df-mpt 5189 df-tr 5215 df-id 5549 df-eprel 5554 df-po 5562 df-so 5563 df-fr 5607 df-se 5608 df-we 5609 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-pred 6310 df-ord 6371 df-on 6372 df-lim 6373 df-suc 6374 df-iota 6500 df-fun 6548 df-fn 6549 df-f 6550 df-f1 6551 df-fo 6552 df-f1o 6553 df-fv 6554 df-isom 6555 df-riota 7384 df-ov 7430 df-oprab 7431 df-mpo 7432 df-of 7700 df-om 7885 df-1st 8008 df-2nd 8009 df-supp 8188 df-frecs 8310 df-wrecs 8341 df-recs 8390 df-rdg 8429 df-1o 8487 df-2o 8488 df-er 8728 df-map 8860 df-pm 8861 df-ixp 8937 df-en 8985 df-dom 8986 df-sdom 8987 df-fin 8988 df-fsupp 9365 df-fi 9413 df-sup 9444 df-inf 9445 df-oi 9514 df-card 10030 df-pnf 11355 df-mnf 11356 df-xr 11357 df-ltxr 11358 df-le 11359 df-sub 11553 df-neg 11554 df-div 11984 df-nn 12346 df-2 12415 df-3 12416 df-4 12417 df-5 12418 df-6 12419 df-7 12420 df-8 12421 df-9 12422 df-n0 12617 df-z 12704 df-dec 12825 df-uz 12976 df-q 13086 df-rp 13131 df-xneg 13251 df-xadd 13252 df-xmul 13253 df-ioo 13490 df-ioc 13491 df-ico 13492 df-icc 13493 df-fz 13650 df-fzo 13799 df-fl 13942 df-mod 14020 df-seq 14155 df-exp 14215 df-fac 14428 df-bc 14457 df-hash 14485 df-shft 15232 df-cj 15278 df-re 15279 df-im 15280 df-sqrt 15414 df-abs 15415 df-limsup 15650 df-clim 15667 df-rlim 15668 df-sum 15866 df-ef 16245 df-sin 16247 df-cos 16248 df-pi 16250 df-struct 17337 df-sets 17354 df-slot 17372 df-ndx 17384 df-base 17400 df-ress 17421 df-plusg 17453 df-mulr 17454 df-starv 17455 df-sca 17456 df-vsca 17457 df-ip 17458 df-tset 17459 df-ple 17460 df-ds 17462 df-unif 17463 df-hom 17464 df-cco 17465 df-rest 17605 df-topn 17606 df-0g 17624 df-gsum 17625 df-topgen 17626 df-pt 17627 df-prds 17630 df-ordt 17685 df-xrs 17686 df-qtop 17691 df-imas 17692 df-xps 17694 df-mre 17768 df-mrc 17769 df-acs 17771 df-ps 18752 df-tsr 18753 df-plusf 18827 df-mgm 18828 df-sgrp 18920 df-mnd 18936 df-mhm 18990 df-submnd 18991 df-grp 19159 df-minusg 19160 df-sbg 19161 df-mulg 19290 df-subg 19345 df-cntz 19543 df-cmn 20008 df-abl 20009 df-mgp 20373 df-rng 20387 df-ur 20420 df-ring 20473 df-cring 20474 df-subrng 20810 df-subrg 20834 df-abv 21078 df-lmod 21149 df-scaf 21150 df-sra 21460 df-rgmod 21461 df-psmet 21682 df-xmet 21683 df-met 21684 df-bl 21685 df-mopn 21686 df-fbas 21687 df-fg 21688 df-cnfld 21691 df-top 23224 df-topon 23241 df-topsp 23263 df-bases 23276 df-cld 23349 df-ntr 23350 df-cls 23351 df-nei 23428 df-lp 23466 df-perf 23467 df-cn 23557 df-cnp 23558 df-haus 23645 df-tx 23893 df-hmeo 24086 df-fil 24177 df-fm 24269 df-flim 24270 df-flf 24271 df-tmd 24403 df-tgp 24404 df-trg 24491 df-xms 24651 df-ms 24652 df-tms 24653 df-nm 24913 df-ngp 24914 df-nrg 24916 df-nlm 24917 df-ii 25210 df-cncf 25211 df-limc 26198 df-dv 26199 df-log 26896 |
| This theorem is used by: esumsplit 34738 esumadd 34742 esumaddf 34746 esumcst 34748 |
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