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| Mirrors > Home > MPE Home > Th. List > mblss | Structured version Visualization version GIF version | ||
| Description: A measurable set is a subset of the reals. (Contributed by Mario Carneiro, 17-Mar-2014.) |
| Ref | Expression |
|---|---|
| mblss | ⊢ (𝐴 ∈ dom vol → 𝐴 ⊆ ℝ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ismbl 25455 | . 2 ⊢ (𝐴 ∈ dom vol ↔ (𝐴 ⊆ ℝ ∧ ∀𝑥 ∈ 𝒫 ℝ((vol*‘𝑥) ∈ ℝ → (vol*‘𝑥) = ((vol*‘(𝑥 ∩ 𝐴)) + (vol*‘(𝑥 ∖ 𝐴)))))) | |
| 2 | 1 | simplbi 497 | 1 ⊢ (𝐴 ∈ dom vol → 𝐴 ⊆ ℝ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 ∀wral 3048 ∖ cdif 3895 ∩ cin 3897 ⊆ wss 3898 𝒫 cpw 4549 dom cdm 5619 ‘cfv 6486 (class class class)co 7352 ℝcr 11012 + caddc 11016 vol*covol 25391 volcvol 25392 |
| 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-10 2146 ax-11 2162 ax-12 2182 ax-ext 2705 ax-sep 5236 ax-nul 5246 ax-pow 5305 ax-pr 5372 ax-un 7674 ax-cnex 11069 ax-resscn 11070 ax-1cn 11071 ax-icn 11072 ax-addcl 11073 ax-addrcl 11074 ax-mulcl 11075 ax-mulrcl 11076 ax-mulcom 11077 ax-addass 11078 ax-mulass 11079 ax-distr 11080 ax-i2m1 11081 ax-1ne0 11082 ax-1rid 11083 ax-rnegex 11084 ax-rrecex 11085 ax-cnre 11086 ax-pre-lttri 11087 ax-pre-lttrn 11088 ax-pre-ltadd 11089 ax-pre-mulgt0 11090 ax-pre-sup 11091 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2725 df-clel 2808 df-nfc 2882 df-ne 2930 df-nel 3034 df-ral 3049 df-rex 3058 df-rmo 3347 df-reu 3348 df-rab 3397 df-v 3439 df-sbc 3738 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4283 df-if 4475 df-pw 4551 df-sn 4576 df-pr 4578 df-op 4582 df-uni 4859 df-iun 4943 df-br 5094 df-opab 5156 df-mpt 5175 df-tr 5201 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6253 df-ord 6314 df-on 6315 df-lim 6316 df-suc 6317 df-iota 6442 df-fun 6488 df-fn 6489 df-f 6490 df-f1 6491 df-fo 6492 df-f1o 6493 df-fv 6494 df-riota 7309 df-ov 7355 df-oprab 7356 df-mpo 7357 df-om 7803 df-1st 7927 df-2nd 7928 df-frecs 8217 df-wrecs 8248 df-recs 8297 df-rdg 8335 df-er 8628 df-map 8758 df-en 8876 df-dom 8877 df-sdom 8878 df-sup 9333 df-inf 9334 df-pnf 11155 df-mnf 11156 df-xr 11157 df-ltxr 11158 df-le 11159 df-sub 11353 df-neg 11354 df-div 11782 df-nn 12133 df-2 12195 df-3 12196 df-n0 12389 df-z 12476 df-uz 12739 df-rp 12893 df-ico 13253 df-icc 13254 df-fz 13410 df-seq 13911 df-exp 13971 df-cj 15008 df-re 15009 df-im 15010 df-sqrt 15144 df-abs 15145 df-ovol 25393 df-vol 25394 |
| This theorem is referenced by: volss 25462 nulmbl2 25465 unmbl 25466 shftmbl 25467 unidmvol 25470 inmbl 25471 difmbl 25472 volun 25474 volinun 25475 volfiniun 25476 voliunlem2 25480 voliunlem3 25481 volsup 25485 volsup2 25534 volcn 25535 vitalilem4 25540 vitalilem5 25541 vitali 25542 ismbf 25557 ismbfcn 25558 mbfconst 25562 mbfid 25564 cncombf 25587 cnmbf 25588 i1fima2 25608 i1fd 25610 itg1ge0 25615 i1f1lem 25618 itg11 25620 i1fadd 25624 i1fmul 25625 itg1addlem2 25626 itg1addlem5 25629 i1fres 25634 itg1ge0a 25640 itg1climres 25643 mbfi1fseqlem4 25647 mbfi1flim 25652 mbfmullem2 25653 itg2const2 25670 itg2splitlem 25677 itg2split 25678 itg2gt0 25689 itg2cnlem2 25691 ibladdlem 25749 itgaddlem1 25752 iblabslem 25757 itggt0 25773 itgcn 25774 ftc1lem4 25974 itgulm 26345 areaf 26899 dmvlsiga 34163 volsupnfl 37725 cnambfre 37728 itg2addnclem 37731 ibladdnclem 37736 itgaddnclem1 37738 iblabsnclem 37743 ftc1cnnclem 37751 volge0 46083 dmvolss 46107 vonvol 46784 |
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