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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 13162 | . . . . 5 ⊢ (0[,]+∞) ⊆ ℝ* | |
2 | xrltso 12875 | . . . . 5 ⊢ < Or ℝ* | |
3 | soss 5523 | . . . . 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 32262 | . . . . 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 1117 | . . . 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 31083 | . . . 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 9247 | . 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 7102 | . . . 4 ⊢ ((𝑅:𝑄⟶(0[,]+∞) ∧ 𝑄 ∈ 𝑉) → 𝑅 ∈ V) | |
12 | 11 | ancoms 459 | . . 3 ⊢ ((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) → 𝑅 ∈ V) |
13 | omsval 32260 | . . 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 764 | . . . 4 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → 𝑄 ∈ 𝑉) | |
16 | simplr 766 | . . . 4 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → 𝑅:𝑄⟶(0[,]+∞)) | |
17 | simpr 485 | . . . . . 6 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → 𝑎 ∈ 𝒫 ∪ dom 𝑅) | |
18 | fdm 6609 | . . . . . . . . 9 ⊢ (𝑅:𝑄⟶(0[,]+∞) → dom 𝑅 = 𝑄) | |
19 | 18 | unieqd 4853 | . . . . . . . 8 ⊢ (𝑅:𝑄⟶(0[,]+∞) → ∪ dom 𝑅 = ∪ 𝑄) |
20 | 19 | pweqd 4552 | . . . . . . 7 ⊢ (𝑅:𝑄⟶(0[,]+∞) → 𝒫 ∪ dom 𝑅 = 𝒫 ∪ 𝑄) |
21 | 20 | ad2antlr 724 | . . . . . 6 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → 𝒫 ∪ dom 𝑅 = 𝒫 ∪ 𝑄) |
22 | 17, 21 | eleqtrd 2841 | . . . . 5 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → 𝑎 ∈ 𝒫 ∪ 𝑄) |
23 | elpwi 4542 | . . . . 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 32261 | . . . 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 1370 | . . 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 2839 | . 2 ⊢ (((𝑄 ∈ 𝑉 ∧ 𝑅:𝑄⟶(0[,]+∞)) ∧ 𝑎 ∈ 𝒫 ∪ dom 𝑅) → ((toOMeas‘𝑅)‘𝑎) ∈ (0[,]+∞)) |
28 | 10, 14, 27 | fmpt2d 6997 | 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 396 = wceq 1539 ∈ wcel 2106 ∀wral 3064 ∃wrex 3065 {crab 3068 Vcvv 3432 ⊆ wss 3887 𝒫 cpw 4533 ∪ cuni 4839 class class class wbr 5074 ↦ cmpt 5157 Or wor 5502 dom cdm 5589 ran crn 5590 ⟶wf 6429 ‘cfv 6433 (class class class)co 7275 ωcom 7712 ≼ cdom 8731 infcinf 9200 0cc0 10871 +∞cpnf 11006 ℝ*cxr 11008 < clt 11009 [,]cicc 13082 Σ*cesum 31995 toOMeascoms 32258 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 ax-pre-sup 10949 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-tp 4566 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-iin 4927 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-se 5545 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-isom 6442 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-of 7533 df-om 7713 df-1st 7831 df-2nd 7832 df-supp 7978 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-er 8498 df-map 8617 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-fsupp 9129 df-fi 9170 df-sup 9201 df-inf 9202 df-oi 9269 df-card 9697 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-2 12036 df-3 12037 df-4 12038 df-5 12039 df-6 12040 df-7 12041 df-8 12042 df-9 12043 df-n0 12234 df-z 12320 df-dec 12438 df-uz 12583 df-q 12689 df-xadd 12849 df-ioo 13083 df-ioc 13084 df-ico 13085 df-icc 13086 df-fz 13240 df-fzo 13383 df-seq 13722 df-hash 14045 df-struct 16848 df-sets 16865 df-slot 16883 df-ndx 16895 df-base 16913 df-ress 16942 df-plusg 16975 df-mulr 16976 df-tset 16981 df-ple 16982 df-ds 16984 df-rest 17133 df-topn 17134 df-0g 17152 df-gsum 17153 df-topgen 17154 df-ordt 17212 df-xrs 17213 df-mre 17295 df-mrc 17296 df-acs 17298 df-ps 18284 df-tsr 18285 df-mgm 18326 df-sgrp 18375 df-mnd 18386 df-submnd 18431 df-cntz 18923 df-cmn 19388 df-fbas 20594 df-fg 20595 df-top 22043 df-topon 22060 df-topsp 22082 df-bases 22096 df-ntr 22171 df-nei 22249 df-cn 22378 df-haus 22466 df-fil 22997 df-fm 23089 df-flim 23090 df-flf 23091 df-tsms 23278 df-esum 31996 df-oms 32259 |
This theorem is referenced by: omssubaddlem 32266 omssubadd 32267 omsmeas 32290 |
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