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| Mirrors > Home > MPE Home > Th. List > iblmbf | Structured version Visualization version GIF version | ||
| Description: An integrable function is measurable. (Contributed by Mario Carneiro, 7-Jul-2014.) |
| Ref | Expression |
|---|---|
| iblmbf | ⊢ (𝐹 ∈ 𝐿1 → 𝐹 ∈ MblFn) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ibl 25577 | . . 3 ⊢ 𝐿1 = {𝑓 ∈ MblFn ∣ ∀𝑘 ∈ (0...3)(∫2‘(𝑥 ∈ ℝ ↦ ⦋(ℜ‘((𝑓‘𝑥) / (i↑𝑘))) / 𝑦⦌if((𝑥 ∈ dom 𝑓 ∧ 0 ≤ 𝑦), 𝑦, 0))) ∈ ℝ} | |
| 2 | 1 | ssrab3 4032 | . 2 ⊢ 𝐿1 ⊆ MblFn |
| 3 | 2 | sseli 3927 | 1 ⊢ (𝐹 ∈ 𝐿1 → 𝐹 ∈ MblFn) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2113 ∀wral 3049 ⦋csb 3847 ifcif 4477 class class class wbr 5096 ↦ cmpt 5177 dom cdm 5622 ‘cfv 6490 (class class class)co 7356 ℝcr 11023 0cc0 11024 ici 11026 ≤ cle 11165 / cdiv 11792 3c3 12199 ...cfz 13421 ↑cexp 13982 ℜcre 15018 MblFncmbf 25569 ∫2citg2 25571 𝐿1cibl 25572 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2706 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1781 df-sb 2068 df-clab 2713 df-cleq 2726 df-clel 2809 df-rab 3398 df-ss 3916 df-ibl 25577 |
| This theorem is referenced by: iblcnlem 25744 itgcnlem 25745 itgcnval 25755 itgre 25756 itgim 25757 iblneg 25758 itgneg 25759 iblss 25760 iblss2 25761 itgge0 25766 itgss3 25770 itgless 25772 iblsub 25777 itgadd 25780 itgsub 25781 itgfsum 25782 iblabs 25784 iblmulc2 25786 itgmulc2 25789 itgabs 25790 itgsplit 25791 bddmulibl 25794 itggt0 25799 itgcn 25800 ditgswap 25814 ditgsplitlem 25815 ftc1a 25998 itgsubstlem 26009 iblulm 26370 itgulm 26371 ibladdnc 37817 itgaddnclem1 37818 itgaddnclem2 37819 itgaddnc 37820 iblsubnc 37821 itgsubnc 37822 iblabsnclem 37823 iblabsnc 37824 iblmulc2nc 37825 itgmulc2nclem2 37827 itgmulc2nc 37828 itgabsnc 37829 ftc1cnnclem 37831 ftc1anclem2 37834 ftc1anclem4 37836 ftc1anclem5 37837 ftc1anclem6 37838 ftc1anclem8 37840 |
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