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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 25827 | . 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 1570 ∈ wcel 2145 ∀wral 3077 ∖ cdif 3896 ∩ cin 3898 ⊆ wss 3899 𝒫 cpw 4557 dom cdm 5651 ‘cfv 6531 (class class class)co 7412 ℝcr 11180 + caddc 11184 vol*covol 25763 volcvol 25764 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7740 ax-cnex 11237 ax-resscn 11238 ax-1cn 11239 ax-icn 11240 ax-addcl 11241 ax-addrcl 11242 ax-mulcl 11243 ax-mulrcl 11244 ax-mulcom 11245 ax-addass 11246 ax-mulass 11247 ax-distr 11248 ax-i2m1 11249 ax-1ne0 11250 ax-1rid 11251 ax-rnegex 11252 ax-rrecex 11253 ax-cnre 11254 ax-pre-lttri 11255 ax-pre-lttrn 11256 ax-pre-ltadd 11257 ax-pre-mulgt0 11258 ax-pre-sup 11259 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6297 df-ord 6358 df-on 6359 df-lim 6360 df-suc 6361 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7867 df-1st 7990 df-2nd 7991 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-er 8701 df-map 8833 df-en 8958 df-dom 8959 df-sdom 8960 df-sup 9418 df-inf 9419 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 df-sub 11524 df-neg 11525 df-div 11955 df-nn 12317 df-2 12386 df-3 12387 df-n0 12588 df-z 12675 df-uz 12947 df-rp 13102 df-ico 13463 df-icc 13464 df-fz 13621 df-seq 14125 df-exp 14185 df-cj 15246 df-re 15247 df-im 15248 df-sqrt 15382 df-abs 15383 df-ovol 25765 df-vol 25766 |
| This theorem is used by: volss 25834 nulmbl2 25837 unmbl 25838 shftmbl 25839 unidmvol 25842 inmbl 25843 difmbl 25844 volun 25846 volinun 25847 volfiniun 25848 voliunlem2 25852 voliunlem3 25853 volsup 25857 volsup2 25906 volcn 25907 vitalilem4 25912 vitalilem5 25913 vitali 25914 ismbf 25929 ismbfcn 25930 mbfconst 25934 mbfid 25936 cncombf 25959 cnmbf 25960 i1fima2 25980 i1fd 25982 itg1ge0 25987 i1f1lem 25990 itg11 25992 i1fadd 25996 i1fmul 25997 itg1addlem2 25998 itg1addlem5 26001 i1fres 26006 itg1ge0a 26012 itg1climres 26015 mbfi1fseqlem4 26019 mbfi1flim 26024 mbfmullem2 26025 itg2const2 26042 itg2splitlem 26049 itg2split 26050 itg2gt0 26061 itg2cnlem2 26063 ibladdlem 26120 itgaddlem1 26123 iblabslem 26128 itggt0 26144 itgcn 26145 ftc1lem4 26339 itgulm 26717 areaf 27271 dmvlsiga 34743 volsupnfl 38551 cnambfre 38554 itg2addnclem 38557 ibladdnclem 38562 itgaddnclem1 38564 iblabsnclem 38569 ftc1cnnclem 38577 volge0 46915 dmvolss 46939 vonvol 47616 |
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