Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > smflimsuplem6 | Structured version Visualization version GIF version |
Description: The superior limit of a sequence of sigma-measurable functions is sigma-measurable. Proposition 121F (d) of [Fremlin1] p. 39 . (Contributed by Glauco Siliprandi, 23-Oct-2021.) |
Ref | Expression |
---|---|
smflimsuplem6.a | ⊢ Ⅎ𝑛𝜑 |
smflimsuplem6.b | ⊢ Ⅎ𝑚𝜑 |
smflimsuplem6.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
smflimsuplem6.z | ⊢ 𝑍 = (ℤ≥‘𝑀) |
smflimsuplem6.s | ⊢ (𝜑 → 𝑆 ∈ SAlg) |
smflimsuplem6.f | ⊢ (𝜑 → 𝐹:𝑍⟶(SMblFn‘𝑆)) |
smflimsuplem6.e | ⊢ 𝐸 = (𝑛 ∈ 𝑍 ↦ {𝑥 ∈ ∩ 𝑚 ∈ (ℤ≥‘𝑛)dom (𝐹‘𝑚) ∣ sup(ran (𝑚 ∈ (ℤ≥‘𝑛) ↦ ((𝐹‘𝑚)‘𝑥)), ℝ*, < ) ∈ ℝ}) |
smflimsuplem6.h | ⊢ 𝐻 = (𝑛 ∈ 𝑍 ↦ (𝑥 ∈ (𝐸‘𝑛) ↦ sup(ran (𝑚 ∈ (ℤ≥‘𝑛) ↦ ((𝐹‘𝑚)‘𝑥)), ℝ*, < ))) |
smflimsuplem6.r | ⊢ (𝜑 → (lim sup‘(𝑚 ∈ 𝑍 ↦ ((𝐹‘𝑚)‘𝑋))) ∈ ℝ) |
smflimsuplem6.n | ⊢ (𝜑 → 𝑁 ∈ 𝑍) |
smflimsuplem6.x | ⊢ (𝜑 → 𝑋 ∈ ∩ 𝑚 ∈ (ℤ≥‘𝑁)dom (𝐹‘𝑚)) |
Ref | Expression |
---|---|
smflimsuplem6 | ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ ((𝐻‘𝑛)‘𝑋)) ∈ dom ⇝ ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | smflimsuplem6.z | . . . . 5 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
2 | 1 | fvexi 6770 | . . . 4 ⊢ 𝑍 ∈ V |
3 | 2 | a1i 11 | . . 3 ⊢ (𝜑 → 𝑍 ∈ V) |
4 | 3 | mptexd 7082 | . 2 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ ((𝐻‘𝑛)‘𝑋)) ∈ V) |
5 | fvexd 6771 | . 2 ⊢ (𝜑 → (lim sup‘(𝑚 ∈ (ℤ≥‘𝑁) ↦ ((𝐹‘𝑚)‘𝑋))) ∈ V) | |
6 | smflimsuplem6.a | . . . 4 ⊢ Ⅎ𝑛𝜑 | |
7 | smflimsuplem6.b | . . . 4 ⊢ Ⅎ𝑚𝜑 | |
8 | smflimsuplem6.m | . . . 4 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
9 | smflimsuplem6.s | . . . 4 ⊢ (𝜑 → 𝑆 ∈ SAlg) | |
10 | smflimsuplem6.f | . . . 4 ⊢ (𝜑 → 𝐹:𝑍⟶(SMblFn‘𝑆)) | |
11 | smflimsuplem6.e | . . . 4 ⊢ 𝐸 = (𝑛 ∈ 𝑍 ↦ {𝑥 ∈ ∩ 𝑚 ∈ (ℤ≥‘𝑛)dom (𝐹‘𝑚) ∣ sup(ran (𝑚 ∈ (ℤ≥‘𝑛) ↦ ((𝐹‘𝑚)‘𝑥)), ℝ*, < ) ∈ ℝ}) | |
12 | smflimsuplem6.h | . . . 4 ⊢ 𝐻 = (𝑛 ∈ 𝑍 ↦ (𝑥 ∈ (𝐸‘𝑛) ↦ sup(ran (𝑚 ∈ (ℤ≥‘𝑛) ↦ ((𝐹‘𝑚)‘𝑥)), ℝ*, < ))) | |
13 | smflimsuplem6.r | . . . 4 ⊢ (𝜑 → (lim sup‘(𝑚 ∈ 𝑍 ↦ ((𝐹‘𝑚)‘𝑋))) ∈ ℝ) | |
14 | smflimsuplem6.n | . . . 4 ⊢ (𝜑 → 𝑁 ∈ 𝑍) | |
15 | smflimsuplem6.x | . . . 4 ⊢ (𝜑 → 𝑋 ∈ ∩ 𝑚 ∈ (ℤ≥‘𝑁)dom (𝐹‘𝑚)) | |
16 | 6, 7, 8, 1, 9, 10, 11, 12, 13, 14, 15 | smflimsuplem5 44244 | . . 3 ⊢ (𝜑 → (𝑛 ∈ (ℤ≥‘𝑁) ↦ ((𝐻‘𝑛)‘𝑋)) ⇝ (lim sup‘(𝑚 ∈ (ℤ≥‘𝑁) ↦ ((𝐹‘𝑚)‘𝑋)))) |
17 | fvexd 6771 | . . . 4 ⊢ (𝜑 → (ℤ≥‘𝑁) ∈ V) | |
18 | 1 | eluzelz2 42833 | . . . . 5 ⊢ (𝑁 ∈ 𝑍 → 𝑁 ∈ ℤ) |
19 | 14, 18 | syl 17 | . . . 4 ⊢ (𝜑 → 𝑁 ∈ ℤ) |
20 | eqid 2738 | . . . 4 ⊢ (ℤ≥‘𝑁) = (ℤ≥‘𝑁) | |
21 | 1 | eleq2i 2830 | . . . . . . . 8 ⊢ (𝑁 ∈ 𝑍 ↔ 𝑁 ∈ (ℤ≥‘𝑀)) |
22 | 21 | biimpi 215 | . . . . . . 7 ⊢ (𝑁 ∈ 𝑍 → 𝑁 ∈ (ℤ≥‘𝑀)) |
23 | uzss 12534 | . . . . . . 7 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (ℤ≥‘𝑁) ⊆ (ℤ≥‘𝑀)) | |
24 | 22, 23 | syl 17 | . . . . . 6 ⊢ (𝑁 ∈ 𝑍 → (ℤ≥‘𝑁) ⊆ (ℤ≥‘𝑀)) |
25 | 24, 1 | sseqtrrdi 3968 | . . . . 5 ⊢ (𝑁 ∈ 𝑍 → (ℤ≥‘𝑁) ⊆ 𝑍) |
26 | 14, 25 | syl 17 | . . . 4 ⊢ (𝜑 → (ℤ≥‘𝑁) ⊆ 𝑍) |
27 | ssid 3939 | . . . . 5 ⊢ (ℤ≥‘𝑁) ⊆ (ℤ≥‘𝑁) | |
28 | 27 | a1i 11 | . . . 4 ⊢ (𝜑 → (ℤ≥‘𝑁) ⊆ (ℤ≥‘𝑁)) |
29 | fvexd 6771 | . . . 4 ⊢ ((𝜑 ∧ 𝑛 ∈ (ℤ≥‘𝑁)) → ((𝐻‘𝑛)‘𝑋) ∈ V) | |
30 | 6, 3, 17, 19, 20, 26, 28, 29 | climeqmpt 43128 | . . 3 ⊢ (𝜑 → ((𝑛 ∈ 𝑍 ↦ ((𝐻‘𝑛)‘𝑋)) ⇝ (lim sup‘(𝑚 ∈ (ℤ≥‘𝑁) ↦ ((𝐹‘𝑚)‘𝑋))) ↔ (𝑛 ∈ (ℤ≥‘𝑁) ↦ ((𝐻‘𝑛)‘𝑋)) ⇝ (lim sup‘(𝑚 ∈ (ℤ≥‘𝑁) ↦ ((𝐹‘𝑚)‘𝑋))))) |
31 | 16, 30 | mpbird 256 | . 2 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ ((𝐻‘𝑛)‘𝑋)) ⇝ (lim sup‘(𝑚 ∈ (ℤ≥‘𝑁) ↦ ((𝐹‘𝑚)‘𝑋)))) |
32 | breldmg 5807 | . 2 ⊢ (((𝑛 ∈ 𝑍 ↦ ((𝐻‘𝑛)‘𝑋)) ∈ V ∧ (lim sup‘(𝑚 ∈ (ℤ≥‘𝑁) ↦ ((𝐹‘𝑚)‘𝑋))) ∈ V ∧ (𝑛 ∈ 𝑍 ↦ ((𝐻‘𝑛)‘𝑋)) ⇝ (lim sup‘(𝑚 ∈ (ℤ≥‘𝑁) ↦ ((𝐹‘𝑚)‘𝑋)))) → (𝑛 ∈ 𝑍 ↦ ((𝐻‘𝑛)‘𝑋)) ∈ dom ⇝ ) | |
33 | 4, 5, 31, 32 | syl3anc 1369 | 1 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ ((𝐻‘𝑛)‘𝑋)) ∈ dom ⇝ ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1539 Ⅎwnf 1787 ∈ wcel 2108 {crab 3067 Vcvv 3422 ⊆ wss 3883 ∩ ciin 4922 class class class wbr 5070 ↦ cmpt 5153 dom cdm 5580 ran crn 5581 ⟶wf 6414 ‘cfv 6418 supcsup 9129 ℝcr 10801 ℝ*cxr 10939 < clt 10940 ℤcz 12249 ℤ≥cuz 12511 lim supclsp 15107 ⇝ cli 15121 SAlgcsalg 43739 SMblFncsmblfn 44123 |
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-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 |
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-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-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-er 8456 df-pm 8576 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-sup 9131 df-inf 9132 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-n0 12164 df-z 12250 df-uz 12512 df-q 12618 df-rp 12660 df-ioo 13012 df-ico 13014 df-fz 13169 df-fl 13440 df-ceil 13441 df-seq 13650 df-exp 13711 df-cj 14738 df-re 14739 df-im 14740 df-sqrt 14874 df-abs 14875 df-limsup 15108 df-clim 15125 df-smblfn 44124 |
This theorem is referenced by: smflimsuplem7 44246 |
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