Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > vonn0hoi | Structured version Visualization version GIF version |
Description: The Lebesgue outer measure of a multidimensional half-open interval when the dimension of the space is nonzero. (Contributed by Glauco Siliprandi, 8-Apr-2021.) |
Ref | Expression |
---|---|
vonn0hoi.x | ⊢ (𝜑 → 𝑋 ∈ Fin) |
vonn0hoi.n | ⊢ (𝜑 → 𝑋 ≠ ∅) |
vonn0hoi.a | ⊢ (𝜑 → 𝐴:𝑋⟶ℝ) |
vonn0hoi.b | ⊢ (𝜑 → 𝐵:𝑋⟶ℝ) |
vonn0hoi.i | ⊢ 𝐼 = X𝑘 ∈ 𝑋 ((𝐴‘𝑘)[,)(𝐵‘𝑘)) |
Ref | Expression |
---|---|
vonn0hoi | ⊢ (𝜑 → ((voln‘𝑋)‘𝐼) = ∏𝑘 ∈ 𝑋 (vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘)))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | vonn0hoi.x | . . 3 ⊢ (𝜑 → 𝑋 ∈ Fin) | |
2 | vonn0hoi.a | . . 3 ⊢ (𝜑 → 𝐴:𝑋⟶ℝ) | |
3 | vonn0hoi.b | . . 3 ⊢ (𝜑 → 𝐵:𝑋⟶ℝ) | |
4 | vonn0hoi.i | . . 3 ⊢ 𝐼 = X𝑘 ∈ 𝑋 ((𝐴‘𝑘)[,)(𝐵‘𝑘)) | |
5 | eqid 2736 | . . 3 ⊢ (𝑥 ∈ Fin ↦ (𝑎 ∈ (ℝ ↑m 𝑥), 𝑏 ∈ (ℝ ↑m 𝑥) ↦ if(𝑥 = ∅, 0, ∏𝑘 ∈ 𝑥 (vol‘((𝑎‘𝑘)[,)(𝑏‘𝑘)))))) = (𝑥 ∈ Fin ↦ (𝑎 ∈ (ℝ ↑m 𝑥), 𝑏 ∈ (ℝ ↑m 𝑥) ↦ if(𝑥 = ∅, 0, ∏𝑘 ∈ 𝑥 (vol‘((𝑎‘𝑘)[,)(𝑏‘𝑘)))))) | |
6 | 1, 2, 3, 4, 5 | vonhoi 44435 | . 2 ⊢ (𝜑 → ((voln‘𝑋)‘𝐼) = (𝐴((𝑥 ∈ Fin ↦ (𝑎 ∈ (ℝ ↑m 𝑥), 𝑏 ∈ (ℝ ↑m 𝑥) ↦ if(𝑥 = ∅, 0, ∏𝑘 ∈ 𝑥 (vol‘((𝑎‘𝑘)[,)(𝑏‘𝑘))))))‘𝑋)𝐵)) |
7 | vonn0hoi.n | . . 3 ⊢ (𝜑 → 𝑋 ≠ ∅) | |
8 | 5, 1, 7, 2, 3 | hoidmvn0val 44352 | . 2 ⊢ (𝜑 → (𝐴((𝑥 ∈ Fin ↦ (𝑎 ∈ (ℝ ↑m 𝑥), 𝑏 ∈ (ℝ ↑m 𝑥) ↦ if(𝑥 = ∅, 0, ∏𝑘 ∈ 𝑥 (vol‘((𝑎‘𝑘)[,)(𝑏‘𝑘))))))‘𝑋)𝐵) = ∏𝑘 ∈ 𝑋 (vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘)))) |
9 | 6, 8 | eqtrd 2776 | 1 ⊢ (𝜑 → ((voln‘𝑋)‘𝐼) = ∏𝑘 ∈ 𝑋 (vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘)))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1539 ∈ wcel 2104 ≠ wne 2941 ∅c0 4262 ifcif 4465 ↦ cmpt 5164 ⟶wf 6454 ‘cfv 6458 (class class class)co 7307 ∈ cmpo 7309 ↑m cmap 8646 Xcixp 8716 Fincfn 8764 ℝcr 10920 0cc0 10921 [,)cico 13131 ∏cprod 15664 volcvol 24676 volncvoln 44306 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-rep 5218 ax-sep 5232 ax-nul 5239 ax-pow 5297 ax-pr 5361 ax-un 7620 ax-inf2 9447 ax-cc 10241 ax-ac2 10269 ax-cnex 10977 ax-resscn 10978 ax-1cn 10979 ax-icn 10980 ax-addcl 10981 ax-addrcl 10982 ax-mulcl 10983 ax-mulrcl 10984 ax-mulcom 10985 ax-addass 10986 ax-mulass 10987 ax-distr 10988 ax-i2m1 10989 ax-1ne0 10990 ax-1rid 10991 ax-rnegex 10992 ax-rrecex 10993 ax-cnre 10994 ax-pre-lttri 10995 ax-pre-lttrn 10996 ax-pre-ltadd 10997 ax-pre-mulgt0 10998 ax-pre-sup 10999 ax-addf 11000 ax-mulf 11001 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3304 df-reu 3305 df-rab 3306 df-v 3439 df-sbc 3722 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4566 df-pr 4568 df-tp 4570 df-op 4572 df-uni 4845 df-int 4887 df-iun 4933 df-iin 4934 df-disj 5047 df-br 5082 df-opab 5144 df-mpt 5165 df-tr 5199 df-id 5500 df-eprel 5506 df-po 5514 df-so 5515 df-fr 5555 df-se 5556 df-we 5557 df-xp 5606 df-rel 5607 df-cnv 5608 df-co 5609 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-pred 6217 df-ord 6284 df-on 6285 df-lim 6286 df-suc 6287 df-iota 6410 df-fun 6460 df-fn 6461 df-f 6462 df-f1 6463 df-fo 6464 df-f1o 6465 df-fv 6466 df-isom 6467 df-riota 7264 df-ov 7310 df-oprab 7311 df-mpo 7312 df-of 7565 df-om 7745 df-1st 7863 df-2nd 7864 df-tpos 8073 df-frecs 8128 df-wrecs 8159 df-recs 8233 df-rdg 8272 df-1o 8328 df-2o 8329 df-oadd 8332 df-omul 8333 df-er 8529 df-map 8648 df-pm 8649 df-ixp 8717 df-en 8765 df-dom 8766 df-sdom 8767 df-fin 8768 df-fi 9218 df-sup 9249 df-inf 9250 df-oi 9317 df-dju 9707 df-card 9745 df-acn 9748 df-ac 9922 df-pnf 11061 df-mnf 11062 df-xr 11063 df-ltxr 11064 df-le 11065 df-sub 11257 df-neg 11258 df-div 11683 df-nn 12024 df-2 12086 df-3 12087 df-4 12088 df-5 12089 df-6 12090 df-7 12091 df-8 12092 df-9 12093 df-n0 12284 df-z 12370 df-dec 12488 df-uz 12633 df-q 12739 df-rp 12781 df-xneg 12898 df-xadd 12899 df-xmul 12900 df-ioo 13133 df-ico 13135 df-icc 13136 df-fz 13290 df-fzo 13433 df-fl 13562 df-seq 13772 df-exp 13833 df-hash 14095 df-cj 14859 df-re 14860 df-im 14861 df-sqrt 14995 df-abs 14996 df-clim 15246 df-rlim 15247 df-sum 15447 df-prod 15665 df-struct 16897 df-sets 16914 df-slot 16932 df-ndx 16944 df-base 16962 df-ress 16991 df-plusg 17024 df-mulr 17025 df-starv 17026 df-tset 17030 df-ple 17031 df-ds 17033 df-unif 17034 df-rest 17182 df-0g 17201 df-topgen 17203 df-mgm 18375 df-sgrp 18424 df-mnd 18435 df-grp 18629 df-minusg 18630 df-subg 18801 df-cmn 19437 df-abl 19438 df-mgp 19770 df-ur 19787 df-ring 19834 df-cring 19835 df-oppr 19911 df-dvdsr 19932 df-unit 19933 df-invr 19963 df-dvr 19974 df-drng 20042 df-psmet 20638 df-xmet 20639 df-met 20640 df-bl 20641 df-mopn 20642 df-cnfld 20647 df-top 22092 df-topon 22109 df-bases 22145 df-cmp 22587 df-ovol 24677 df-vol 24678 df-salg 44079 df-sumge0 44131 df-mea 44218 df-ome 44258 df-caragen 44260 df-ovoln 44305 df-voln 44307 |
This theorem is referenced by: vonhoire 44440 vonioolem1 44448 vonicclem1 44451 |
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