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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 25568 | . 2 ⊢ (𝐴 ∈ dom vol ↔ (𝐴 ⊆ ℝ ∧ ∀𝑥 ∈ 𝒫 ℝ((vol*‘𝑥) ∈ ℝ → (vol*‘𝑥) = ((vol*‘(𝑥 ∩ 𝐴)) + (vol*‘(𝑥 ∖ 𝐴)))))) | |
| 2 | 1 | simplbi 500 | 1 ⊢ (𝐴 ∈ dom vol → 𝐴 ⊆ ℝ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1559 ∈ wcel 2141 ∀wral 3075 ∖ cdif 3901 ∩ cin 3903 ⊆ wss 3904 𝒫 cpw 4554 dom cdm 5645 ‘cfv 6517 (class class class)co 7392 ℝcr 11069 + caddc 11073 vol*covol 25504 volcvol 25505 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5245 ax-nul 5255 ax-pow 5321 ax-pr 5389 ax-un 7714 ax-cnex 11126 ax-resscn 11127 ax-1cn 11128 ax-icn 11129 ax-addcl 11130 ax-addrcl 11131 ax-mulcl 11132 ax-mulrcl 11133 ax-mulcom 11134 ax-addass 11135 ax-mulass 11136 ax-distr 11137 ax-i2m1 11138 ax-1ne0 11139 ax-1rid 11140 ax-rnegex 11141 ax-rrecex 11142 ax-cnre 11143 ax-pre-lttri 11144 ax-pre-lttrn 11145 ax-pre-ltadd 11146 ax-pre-mulgt0 11147 ax-pre-sup 11148 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4950 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5540 df-eprel 5545 df-po 5553 df-so 5554 df-fr 5598 df-we 5600 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-pred 6284 df-ord 6345 df-on 6346 df-lim 6347 df-suc 6348 df-iota 6473 df-fun 6519 df-fn 6520 df-f 6521 df-f1 6522 df-fo 6523 df-f1o 6524 df-fv 6525 df-riota 7349 df-ov 7395 df-oprab 7396 df-mpo 7397 df-om 7843 df-1st 7966 df-2nd 7967 df-frecs 8257 df-wrecs 8288 df-recs 8337 df-rdg 8376 df-er 8673 df-map 8805 df-en 8924 df-dom 8925 df-sdom 8926 df-sup 9385 df-inf 9386 df-pnf 11215 df-mnf 11216 df-xr 11217 df-ltxr 11218 df-le 11219 df-sub 11413 df-neg 11414 df-div 11842 df-nn 12208 df-2 12277 df-3 12278 df-n0 12479 df-z 12566 df-uz 12837 df-rp 12991 df-ico 13352 df-icc 13353 df-fz 13510 df-seq 14012 df-exp 14072 df-cj 15109 df-re 15110 df-im 15111 df-sqrt 15245 df-abs 15246 df-ovol 25506 df-vol 25507 |
| This theorem is referenced by: volss 25575 nulmbl2 25578 unmbl 25579 shftmbl 25580 unidmvol 25583 inmbl 25584 difmbl 25585 volun 25587 volinun 25588 volfiniun 25589 voliunlem2 25593 voliunlem3 25594 volsup 25598 volsup2 25647 volcn 25648 vitalilem4 25653 vitalilem5 25654 vitali 25655 ismbf 25670 ismbfcn 25671 mbfconst 25675 mbfid 25677 cncombf 25700 cnmbf 25701 i1fima2 25721 i1fd 25723 itg1ge0 25728 i1f1lem 25731 itg11 25733 i1fadd 25737 i1fmul 25738 itg1addlem2 25739 itg1addlem5 25742 i1fres 25747 itg1ge0a 25753 itg1climres 25756 mbfi1fseqlem4 25760 mbfi1flim 25765 mbfmullem2 25766 itg2const2 25783 itg2splitlem 25790 itg2split 25791 itg2gt0 25802 itg2cnlem2 25804 ibladdlem 25862 itgaddlem1 25865 iblabslem 25870 itggt0 25886 itgcn 25887 ftc1lem4 26081 itgulm 26448 areaf 27003 dmvlsiga 34387 volsupnfl 38128 cnambfre 38131 itg2addnclem 38134 ibladdnclem 38139 itgaddnclem1 38141 iblabsnclem 38146 ftc1cnnclem 38154 volge0 46499 dmvolss 46523 vonvol 47200 |
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