![]() |
Mathbox for Glauco Siliprandi |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > Mathboxes > omeiunlempt | Structured version Visualization version GIF version |
Description: The outer measure of the indexed union of a countable set is the less than or equal to the extended sum of the outer measures. (Contributed by Glauco Siliprandi, 17-Aug-2020.) |
Ref | Expression |
---|---|
omeiunlempt.nph | ⊢ Ⅎ𝑛𝜑 |
omeiunlempt.o | ⊢ (𝜑 → 𝑂 ∈ OutMeas) |
omeiunlempt.x | ⊢ 𝑋 = ∪ dom 𝑂 |
omeiunlempt.z | ⊢ 𝑍 = (ℤ≥‘𝑁) |
omeiunlempt.e | ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → 𝐸 ⊆ 𝑋) |
Ref | Expression |
---|---|
omeiunlempt | ⊢ (𝜑 → (𝑂‘∪ 𝑛 ∈ 𝑍 𝐸) ≤ (Σ^‘(𝑛 ∈ 𝑍 ↦ (𝑂‘𝐸)))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | omeiunlempt.nph | . . 3 ⊢ Ⅎ𝑛𝜑 | |
2 | nfmpt1 5260 | . . 3 ⊢ Ⅎ𝑛(𝑛 ∈ 𝑍 ↦ 𝐸) | |
3 | omeiunlempt.o | . . 3 ⊢ (𝜑 → 𝑂 ∈ OutMeas) | |
4 | omeiunlempt.x | . . 3 ⊢ 𝑋 = ∪ dom 𝑂 | |
5 | omeiunlempt.z | . . 3 ⊢ 𝑍 = (ℤ≥‘𝑁) | |
6 | omeiunlempt.e | . . . . 5 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → 𝐸 ⊆ 𝑋) | |
7 | 3, 4 | unidmex 44463 | . . . . . . . 8 ⊢ (𝜑 → 𝑋 ∈ V) |
8 | 7 | adantr 479 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → 𝑋 ∈ V) |
9 | ssexg 5327 | . . . . . . 7 ⊢ ((𝐸 ⊆ 𝑋 ∧ 𝑋 ∈ V) → 𝐸 ∈ V) | |
10 | 6, 8, 9 | syl2anc 582 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → 𝐸 ∈ V) |
11 | elpwg 4609 | . . . . . 6 ⊢ (𝐸 ∈ V → (𝐸 ∈ 𝒫 𝑋 ↔ 𝐸 ⊆ 𝑋)) | |
12 | 10, 11 | syl 17 | . . . . 5 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (𝐸 ∈ 𝒫 𝑋 ↔ 𝐸 ⊆ 𝑋)) |
13 | 6, 12 | mpbird 256 | . . . 4 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → 𝐸 ∈ 𝒫 𝑋) |
14 | eqid 2728 | . . . 4 ⊢ (𝑛 ∈ 𝑍 ↦ 𝐸) = (𝑛 ∈ 𝑍 ↦ 𝐸) | |
15 | 1, 13, 14 | fmptdf 7132 | . . 3 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ 𝐸):𝑍⟶𝒫 𝑋) |
16 | 1, 2, 3, 4, 5, 15 | omeiunle 45952 | . 2 ⊢ (𝜑 → (𝑂‘∪ 𝑛 ∈ 𝑍 ((𝑛 ∈ 𝑍 ↦ 𝐸)‘𝑛)) ≤ (Σ^‘(𝑛 ∈ 𝑍 ↦ (𝑂‘((𝑛 ∈ 𝑍 ↦ 𝐸)‘𝑛))))) |
17 | simpr 483 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → 𝑛 ∈ 𝑍) | |
18 | 14 | fvmpt2 7021 | . . . . . . 7 ⊢ ((𝑛 ∈ 𝑍 ∧ 𝐸 ∈ V) → ((𝑛 ∈ 𝑍 ↦ 𝐸)‘𝑛) = 𝐸) |
19 | 17, 10, 18 | syl2anc 582 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → ((𝑛 ∈ 𝑍 ↦ 𝐸)‘𝑛) = 𝐸) |
20 | 19 | eqcomd 2734 | . . . . 5 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → 𝐸 = ((𝑛 ∈ 𝑍 ↦ 𝐸)‘𝑛)) |
21 | 1, 20 | iuneq2df 44459 | . . . 4 ⊢ (𝜑 → ∪ 𝑛 ∈ 𝑍 𝐸 = ∪ 𝑛 ∈ 𝑍 ((𝑛 ∈ 𝑍 ↦ 𝐸)‘𝑛)) |
22 | 21 | fveq2d 6906 | . . 3 ⊢ (𝜑 → (𝑂‘∪ 𝑛 ∈ 𝑍 𝐸) = (𝑂‘∪ 𝑛 ∈ 𝑍 ((𝑛 ∈ 𝑍 ↦ 𝐸)‘𝑛))) |
23 | 20 | fveq2d 6906 | . . . . 5 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (𝑂‘𝐸) = (𝑂‘((𝑛 ∈ 𝑍 ↦ 𝐸)‘𝑛))) |
24 | 1, 23 | mpteq2da 5250 | . . . 4 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ (𝑂‘𝐸)) = (𝑛 ∈ 𝑍 ↦ (𝑂‘((𝑛 ∈ 𝑍 ↦ 𝐸)‘𝑛)))) |
25 | 24 | fveq2d 6906 | . . 3 ⊢ (𝜑 → (Σ^‘(𝑛 ∈ 𝑍 ↦ (𝑂‘𝐸))) = (Σ^‘(𝑛 ∈ 𝑍 ↦ (𝑂‘((𝑛 ∈ 𝑍 ↦ 𝐸)‘𝑛))))) |
26 | 22, 25 | breq12d 5165 | . 2 ⊢ (𝜑 → ((𝑂‘∪ 𝑛 ∈ 𝑍 𝐸) ≤ (Σ^‘(𝑛 ∈ 𝑍 ↦ (𝑂‘𝐸))) ↔ (𝑂‘∪ 𝑛 ∈ 𝑍 ((𝑛 ∈ 𝑍 ↦ 𝐸)‘𝑛)) ≤ (Σ^‘(𝑛 ∈ 𝑍 ↦ (𝑂‘((𝑛 ∈ 𝑍 ↦ 𝐸)‘𝑛)))))) |
27 | 16, 26 | mpbird 256 | 1 ⊢ (𝜑 → (𝑂‘∪ 𝑛 ∈ 𝑍 𝐸) ≤ (Σ^‘(𝑛 ∈ 𝑍 ↦ (𝑂‘𝐸)))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 394 = wceq 1533 Ⅎwnf 1777 ∈ wcel 2098 Vcvv 3473 ⊆ wss 3949 𝒫 cpw 4606 ∪ cuni 4912 ∪ ciun 5000 class class class wbr 5152 ↦ cmpt 5235 dom cdm 5682 ‘cfv 6553 ≤ cle 11289 ℤ≥cuz 12862 Σ^csumge0 45797 OutMeascome 45924 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2699 ax-rep 5289 ax-sep 5303 ax-nul 5310 ax-pow 5369 ax-pr 5433 ax-un 7748 ax-inf2 9674 ax-ac2 10496 ax-cnex 11204 ax-resscn 11205 ax-1cn 11206 ax-icn 11207 ax-addcl 11208 ax-addrcl 11209 ax-mulcl 11210 ax-mulrcl 11211 ax-mulcom 11212 ax-addass 11213 ax-mulass 11214 ax-distr 11215 ax-i2m1 11216 ax-1ne0 11217 ax-1rid 11218 ax-rnegex 11219 ax-rrecex 11220 ax-cnre 11221 ax-pre-lttri 11222 ax-pre-lttrn 11223 ax-pre-ltadd 11224 ax-pre-mulgt0 11225 ax-pre-sup 11226 |
This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2529 df-eu 2558 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-rmo 3374 df-reu 3375 df-rab 3431 df-v 3475 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-pss 3968 df-nul 4327 df-if 4533 df-pw 4608 df-sn 4633 df-pr 4635 df-op 4639 df-uni 4913 df-int 4954 df-iun 5002 df-br 5153 df-opab 5215 df-mpt 5236 df-tr 5270 df-id 5580 df-eprel 5586 df-po 5594 df-so 5595 df-fr 5637 df-se 5638 df-we 5639 df-xp 5688 df-rel 5689 df-cnv 5690 df-co 5691 df-dm 5692 df-rn 5693 df-res 5694 df-ima 5695 df-pred 6310 df-ord 6377 df-on 6378 df-lim 6379 df-suc 6380 df-iota 6505 df-fun 6555 df-fn 6556 df-f 6557 df-f1 6558 df-fo 6559 df-f1o 6560 df-fv 6561 df-isom 6562 df-riota 7382 df-ov 7429 df-oprab 7430 df-mpo 7431 df-om 7879 df-1st 8001 df-2nd 8002 df-frecs 8295 df-wrecs 8326 df-recs 8400 df-rdg 8439 df-1o 8495 df-oadd 8499 df-omul 8500 df-er 8733 df-map 8855 df-en 8973 df-dom 8974 df-sdom 8975 df-fin 8976 df-sup 9475 df-oi 9543 df-card 9972 df-acn 9975 df-ac 10149 df-pnf 11290 df-mnf 11291 df-xr 11292 df-ltxr 11293 df-le 11294 df-sub 11486 df-neg 11487 df-div 11912 df-nn 12253 df-2 12315 df-3 12316 df-n0 12513 df-z 12599 df-uz 12863 df-rp 13017 df-ico 13372 df-icc 13373 df-fz 13527 df-fzo 13670 df-seq 14009 df-exp 14069 df-hash 14332 df-cj 15088 df-re 15089 df-im 15090 df-sqrt 15224 df-abs 15225 df-clim 15474 df-sum 15675 df-sumge0 45798 df-ome 45925 |
This theorem is referenced by: (None) |
Copyright terms: Public domain | W3C validator |