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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 25852 | . 2 ⊢ (𝐴 ∈ dom vol ↔ (𝐴 ⊆ ℝ ∧ ∀𝑥 ∈ 𝒫 ℝ((vol*‘𝑥) ∈ ℝ → (vol*‘𝑥) = ((vol*‘(𝑥 ∩ 𝐴)) + (vol*‘(𝑥 ∖ 𝐴)))))) | |
| 2 | 1 | simplbi 502 | 1 ⊢ (𝐴 ∈ dom vol → 𝐴 ⊆ ℝ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2144 ∀wral 3076 ⊆ wss 3895 ∖ cdif 4045 ∩ cin 4089 𝒫 cpw 4556 dom cdm 5650 ‘cfv 6538 (class class class)co 7420 ℝcr 11202 + caddc 11206 vol*covol 25788 volcvol 25789 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-cnex 11259 ax-resscn 11260 ax-1cn 11261 ax-icn 11262 ax-addcl 11263 ax-addrcl 11264 ax-mulcl 11265 ax-mulrcl 11266 ax-mulcom 11267 ax-addass 11268 ax-mulass 11269 ax-distr 11270 ax-i2m1 11271 ax-1ne0 11272 ax-1rid 11273 ax-rnegex 11274 ax-rrecex 11275 ax-cnre 11276 ax-pre-lttri 11277 ax-pre-lttrn 11278 ax-pre-ltadd 11279 ax-pre-mulgt0 11280 ax-pre-sup 11281 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-1st 8001 df-2nd 8002 df-frecs 8302 df-wrecs 8333 df-recs 8382 df-rdg 8421 df-er 8720 df-map 8852 df-en 8977 df-dom 8978 df-sdom 8979 df-sup 9437 df-inf 9438 df-pnf 11348 df-mnf 11349 df-xr 11350 df-ltxr 11351 df-le 11352 df-sub 11546 df-neg 11547 df-div 11977 df-nn 12339 df-2 12408 df-3 12409 df-n0 12610 df-z 12697 df-uz 12969 df-rp 13124 df-ico 13485 df-icc 13486 df-fz 13643 df-seq 14148 df-exp 14208 df-cj 15271 df-re 15272 df-im 15273 df-sqrt 15407 df-abs 15408 df-ovol 25790 df-vol 25791 |
| This theorem is used by: volss 25859 nulmbl2 25862 unmbl 25863 shftmbl 25864 unidmvol 25867 inmbl 25868 difmbl 25869 volun 25871 volinun 25872 volfiniun 25873 voliunlem2 25877 voliunlem3 25878 volsup 25882 volsup2 25931 volcn 25932 vitalilem4 25937 vitalilem5 25938 vitali 25939 ismbf 25954 ismbfcn 25955 mbfconst 25959 mbfid 25961 cncombf 25984 cnmbf 25985 i1fima2 26005 i1fd 26007 itg1ge0 26012 i1f1lem 26015 itg11 26017 i1fadd 26021 i1fmul 26022 itg1addlem2 26023 itg1addlem5 26026 i1fres 26031 itg1ge0a 26037 itg1climres 26040 mbfi1fseqlem4 26044 mbfi1flim 26049 mbfmullem2 26050 itg2const2 26067 itg2splitlem 26074 itg2split 26075 itg2gt0 26086 itg2cnlem2 26088 ibladdlem 26145 itgaddlem1 26148 iblabslem 26153 itggt0 26169 itgcn 26170 ftc1lem4 26364 itgulm 26740 areaf 27294 dmvlsiga 34807 volsupnfl 38676 cnambfre 38679 itg2addnclem 38682 ibladdnclem 38687 itgaddnclem1 38689 iblabsnclem 38694 ftc1cnnclem 38702 volge0 47064 dmvolss 47088 vonvol 47765 |
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