Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > omsf | Structured version Visualization version GIF version |
Description: A constructed outer measure is a function. (Contributed by Thierry Arnoux, 17-Sep-2019.) (Revised by AV, 4-Oct-2020.) |
Ref | Expression |
---|---|
omsf | ⊢ ((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) → (toOMeas‘𝑅):𝒫 ∪ dom 𝑅⟶(0[,]+∞)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | iccssxr 12917 | . . . . 5 ⊢ (0[,]+∞) ⊆ ℝ* | |
2 | xrltso 12630 | . . . . 5 ⊢ < Or ℝ* | |
3 | soss 5472 | . . . . 5 ⊢ ((0[,]+∞) ⊆ ℝ* → ( < Or ℝ* → < Or (0[,]+∞))) | |
4 | 1, 2, 3 | mp2 9 | . . . 4 ⊢ < Or (0[,]+∞) |
5 | 4 | a1i 11 | . . 3 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → < Or (0[,]+∞)) |
6 | omscl 31845 | . . . . 5 ⊢ ((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → ran (𝑥 ∈ {𝑧 ∈ 𝒫 dom 𝑅 ∣ (𝑎 ⊆ ∪ 𝑧 ∧ 𝑧 ≼ ω)} ↦ Σ*𝑦 ∈ 𝑥(𝑅‘𝑦)) ⊆ (0[,]+∞)) | |
7 | 6 | 3expa 1119 | . . . 4 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → ran (𝑥 ∈ {𝑧 ∈ 𝒫 dom 𝑅 ∣ (𝑎 ⊆ ∪ 𝑧 ∧ 𝑧 ≼ ω)} ↦ Σ*𝑦 ∈ 𝑥(𝑅‘𝑦)) ⊆ (0[,]+∞)) |
8 | xrge0infss 30671 | . . . 4 ⊢ (ran (𝑥 ∈ {𝑧 ∈ 𝒫 dom 𝑅 ∣ (𝑎 ⊆ ∪ 𝑧 ∧ 𝑧 ≼ ω)} ↦ Σ*𝑦 ∈ 𝑥(𝑅‘𝑦)) ⊆ (0[,]+∞) → ∃𝑡 ∈ (0[,]+∞)(∀𝑤 ∈ ran (𝑥 ∈ {𝑧 ∈ 𝒫 dom 𝑅 ∣ (𝑎 ⊆ ∪ 𝑧 ∧ 𝑧 ≼ ω)} ↦ Σ*𝑦 ∈ 𝑥(𝑅‘𝑦)) ¬ 𝑤 < 𝑡 ∧ ∀𝑤 ∈ (0[,]+∞)(𝑡 < 𝑤 → ∃𝑠 ∈ ran (𝑥 ∈ {𝑧 ∈ 𝒫 dom 𝑅 ∣ (𝑎 ⊆ ∪ 𝑧 ∧ 𝑧 ≼ ω)} ↦ Σ*𝑦 ∈ 𝑥(𝑅‘𝑦))𝑠 < 𝑤))) | |
9 | 7, 8 | syl 17 | . . 3 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → ∃𝑡 ∈ (0[,]+∞)(∀𝑤 ∈ ran (𝑥 ∈ {𝑧 ∈ 𝒫 dom 𝑅 ∣ (𝑎 ⊆ ∪ 𝑧 ∧ 𝑧 ≼ ω)} ↦ Σ*𝑦 ∈ 𝑥(𝑅‘𝑦)) ¬ 𝑤 < 𝑡 ∧ ∀𝑤 ∈ (0[,]+∞)(𝑡 < 𝑤 → ∃𝑠 ∈ ran (𝑥 ∈ {𝑧 ∈ 𝒫 dom 𝑅 ∣ (𝑎 ⊆ ∪ 𝑧 ∧ 𝑧 ≼ ω)} ↦ Σ*𝑦 ∈ 𝑥(𝑅‘𝑦))𝑠 < 𝑤))) |
10 | 5, 9 | infcl 9038 | . 2 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → inf(ran (𝑥 ∈ {𝑧 ∈ 𝒫 dom 𝑅 ∣ (𝑎 ⊆ ∪ 𝑧 ∧ 𝑧 ≼ ω)} ↦ Σ*𝑦 ∈ 𝑥(𝑅‘𝑦)), (0[,]+∞), < ) ∈ (0[,]+∞)) |
11 | fex 7012 | . . . 4 ⊢ ((𝑅:𝑄⟶(0[,]+∞) ∧ 𝑄 ∈ 𝑉) → 𝑅 ∈ V) | |
12 | 11 | ancoms 462 | . . 3 ⊢ ((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) → 𝑅 ∈ V) |
13 | omsval 31843 | . . 3 ⊢ (𝑅 ∈ V → (toOMeas‘𝑅) = (𝑎 ∈ 𝒫 ∪ dom 𝑅 ↦ inf(ran (𝑥 ∈ {𝑧 ∈ 𝒫 dom 𝑅 ∣ (𝑎 ⊆ ∪ 𝑧 ∧ 𝑧 ≼ ω)} ↦ Σ*𝑦 ∈ 𝑥(𝑅‘𝑦)), (0[,]+∞), < ))) | |
14 | 12, 13 | syl 17 | . 2 ⊢ ((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) → (toOMeas‘𝑅) = (𝑎 ∈ 𝒫 ∪ dom 𝑅 ↦ inf(ran (𝑥 ∈ {𝑧 ∈ 𝒫 dom 𝑅 ∣ (𝑎 ⊆ ∪ 𝑧 ∧ 𝑧 ≼ ω)} ↦ Σ*𝑦 ∈ 𝑥(𝑅‘𝑦)), (0[,]+∞), < ))) |
15 | simpll 767 | . . . 4 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → 𝑄 ∈ 𝑉) | |
16 | simplr 769 | . . . 4 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → 𝑅:𝑄⟶(0[,]+∞)) | |
17 | simpr 488 | . . . . . 6 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → 𝑎 ∈ 𝒫 ∪ dom 𝑅) | |
18 | fdm 6524 | . . . . . . . . 9 ⊢ (𝑅:𝑄⟶(0[,]+∞) → dom 𝑅 = 𝑄) | |
19 | 18 | unieqd 4820 | . . . . . . . 8 ⊢ (𝑅:𝑄⟶(0[,]+∞) → ∪ dom 𝑅 = ∪ 𝑄) |
20 | 19 | pweqd 4517 | . . . . . . 7 ⊢ (𝑅:𝑄⟶(0[,]+∞) → 𝒫 ∪ dom 𝑅 = 𝒫 ∪ 𝑄) |
21 | 20 | ad2antlr 727 | . . . . . 6 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → 𝒫 ∪ dom 𝑅 = 𝒫 ∪ 𝑄) |
22 | 17, 21 | eleqtrd 2836 | . . . . 5 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → 𝑎 ∈ 𝒫 ∪ 𝑄) |
23 | elpwi 4507 | . . . . 5 ⊢ (𝑎 ∈ 𝒫 ∪ 𝑄 → 𝑎 ⊆ ∪ 𝑄) | |
24 | 22, 23 | syl 17 | . . . 4 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → 𝑎 ⊆ ∪ 𝑄) |
25 | omsfval 31844 | . . . 4 ⊢ ((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞) ∧ 𝑎 ⊆ ∪ 𝑄) → ((toOMeas‘𝑅)‘𝑎) = inf(ran (𝑥 ∈ {𝑧 ∈ 𝒫 dom 𝑅 ∣ (𝑎 ⊆ ∪ 𝑧 ∧ 𝑧 ≼ ω)} ↦ Σ*𝑦 ∈ 𝑥(𝑅‘𝑦)), (0[,]+∞), < )) | |
26 | 15, 16, 24, 25 | syl3anc 1372 | . . 3 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → ((toOMeas‘𝑅)‘𝑎) = inf(ran (𝑥 ∈ {𝑧 ∈ 𝒫 dom 𝑅 ∣ (𝑎 ⊆ ∪ 𝑧 ∧ 𝑧 ≼ ω)} ↦ Σ*𝑦 ∈ 𝑥(𝑅‘𝑦)), (0[,]+∞), < )) |
27 | 26, 10 | eqeltrd 2834 | . 2 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → ((toOMeas‘𝑅)‘𝑎) ∈ (0[,]+∞)) |
28 | 10, 14, 27 | fmpt2d 6910 | 1 ⊢ ((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) → (toOMeas‘𝑅):𝒫 ∪ dom 𝑅⟶(0[,]+∞)) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 399 = wceq 1542 ∈ wcel 2114 ∀wral 3054 ∃wrex 3055 {crab 3058 Vcvv 3400 ⊆ wss 3853 𝒫 cpw 4498 ∪ cuni 4806 class class class wbr 5040 ↦ cmpt 5120 Or wor 5451 dom cdm 5535 ran crn 5536 ⟶wf 6346 ‘cfv 6350 (class class class)co 7183 ωcom 7612 ≼ cdom 8566 infcinf 8991 0cc0 10628 +∞cpnf 10763 ℝ*cxr 10765 < clt 10766 [,]cicc 12837 Σ*cesum 31578 toOMeascoms 31841 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1975 ax-7 2020 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2162 ax-12 2179 ax-ext 2711 ax-rep 5164 ax-sep 5177 ax-nul 5184 ax-pow 5242 ax-pr 5306 ax-un 7492 ax-cnex 10684 ax-resscn 10685 ax-1cn 10686 ax-icn 10687 ax-addcl 10688 ax-addrcl 10689 ax-mulcl 10690 ax-mulrcl 10691 ax-mulcom 10692 ax-addass 10693 ax-mulass 10694 ax-distr 10695 ax-i2m1 10696 ax-1ne0 10697 ax-1rid 10698 ax-rnegex 10699 ax-rrecex 10700 ax-cnre 10701 ax-pre-lttri 10702 ax-pre-lttrn 10703 ax-pre-ltadd 10704 ax-pre-mulgt0 10705 ax-pre-sup 10706 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2075 df-mo 2541 df-eu 2571 df-clab 2718 df-cleq 2731 df-clel 2812 df-nfc 2882 df-ne 2936 df-nel 3040 df-ral 3059 df-rex 3060 df-reu 3061 df-rmo 3062 df-rab 3063 df-v 3402 df-sbc 3686 df-csb 3801 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-pss 3872 df-nul 4222 df-if 4425 df-pw 4500 df-sn 4527 df-pr 4529 df-tp 4531 df-op 4533 df-uni 4807 df-int 4847 df-iun 4893 df-iin 4894 df-br 5041 df-opab 5103 df-mpt 5121 df-tr 5147 df-id 5439 df-eprel 5444 df-po 5452 df-so 5453 df-fr 5493 df-se 5494 df-we 5495 df-xp 5541 df-rel 5542 df-cnv 5543 df-co 5544 df-dm 5545 df-rn 5546 df-res 5547 df-ima 5548 df-pred 6139 df-ord 6186 df-on 6187 df-lim 6188 df-suc 6189 df-iota 6308 df-fun 6352 df-fn 6353 df-f 6354 df-f1 6355 df-fo 6356 df-f1o 6357 df-fv 6358 df-isom 6359 df-riota 7140 df-ov 7186 df-oprab 7187 df-mpo 7188 df-of 7438 df-om 7613 df-1st 7727 df-2nd 7728 df-supp 7870 df-wrecs 7989 df-recs 8050 df-rdg 8088 df-1o 8144 df-er 8333 df-map 8452 df-en 8569 df-dom 8570 df-sdom 8571 df-fin 8572 df-fsupp 8920 df-fi 8961 df-sup 8992 df-inf 8993 df-oi 9060 df-card 9454 df-pnf 10768 df-mnf 10769 df-xr 10770 df-ltxr 10771 df-le 10772 df-sub 10963 df-neg 10964 df-div 11389 df-nn 11730 df-2 11792 df-3 11793 df-4 11794 df-5 11795 df-6 11796 df-7 11797 df-8 11798 df-9 11799 df-n0 11990 df-z 12076 df-dec 12193 df-uz 12338 df-q 12444 df-xadd 12604 df-ioo 12838 df-ioc 12839 df-ico 12840 df-icc 12841 df-fz 12995 df-fzo 13138 df-seq 13474 df-hash 13796 df-struct 16601 df-ndx 16602 df-slot 16603 df-base 16605 df-sets 16606 df-ress 16607 df-plusg 16694 df-mulr 16695 df-tset 16700 df-ple 16701 df-ds 16703 df-rest 16812 df-topn 16813 df-0g 16831 df-gsum 16832 df-topgen 16833 df-ordt 16890 df-xrs 16891 df-mre 16973 df-mrc 16974 df-acs 16976 df-ps 17939 df-tsr 17940 df-mgm 17981 df-sgrp 18030 df-mnd 18041 df-submnd 18086 df-cntz 18578 df-cmn 19039 df-fbas 20227 df-fg 20228 df-top 21658 df-topon 21675 df-topsp 21697 df-bases 21710 df-ntr 21784 df-nei 21862 df-cn 21991 df-haus 22079 df-fil 22610 df-fm 22702 df-flim 22703 df-flf 22704 df-tsms 22891 df-esum 31579 df-oms 31842 |
This theorem is referenced by: omssubaddlem 31849 omssubadd 31850 omsmeas 31873 |
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