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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 25880 | . 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 2147 ∀wral 3080 ⊆ wss 3900 ∖ cdif 4048 ∩ cin 4092 𝒫 cpw 4560 dom cdm 5656 ‘cfv 6561 (class class class)co 7446 ℝcr 11229 + caddc 11233 vol*covol 25816 volcvol 25817 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7778 ax-cnex 11286 ax-resscn 11287 ax-1cn 11288 ax-icn 11289 ax-addcl 11290 ax-addrcl 11291 ax-mulcl 11292 ax-mulrcl 11293 ax-mulcom 11294 ax-addass 11295 ax-mulass 11296 ax-distr 11297 ax-i2m1 11298 ax-1ne0 11299 ax-1rid 11300 ax-rnegex 11301 ax-rrecex 11302 ax-cnre 11303 ax-pre-lttri 11304 ax-pre-lttrn 11305 ax-pre-ltadd 11306 ax-pre-mulgt0 11307 ax-pre-sup 11308 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5551 df-eprel 5556 df-po 5564 df-so 5565 df-fr 5609 df-we 5611 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-pred 6325 df-ord 6386 df-on 6387 df-lim 6388 df-suc 6389 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7403 df-ov 7449 df-oprab 7450 df-mpo 7451 df-om 7905 df-1st 8028 df-2nd 8029 df-frecs 8330 df-wrecs 8361 df-recs 8410 df-rdg 8449 df-er 8748 df-map 8880 df-en 9005 df-dom 9006 df-sdom 9007 df-sup 9464 df-inf 9465 df-pnf 11375 df-mnf 11376 df-xr 11377 df-ltxr 11378 df-le 11379 df-sub 11573 df-neg 11574 df-div 12004 df-nn 12366 df-2 12435 df-3 12436 df-n0 12637 df-z 12724 df-uz 12996 df-rp 13151 df-ico 13512 df-icc 13513 df-fz 13670 df-seq 14175 df-exp 14235 df-cj 15298 df-re 15299 df-im 15300 df-sqrt 15434 df-abs 15435 df-ovol 25818 df-vol 25819 |
| This theorem is used by: volss 25887 nulmbl2 25890 unmbl 25891 shftmbl 25892 unidmvol 25895 inmbl 25896 difmbl 25897 volun 25899 volinun 25900 volfiniun 25901 voliunlem2 25905 voliunlem3 25906 volsup 25910 volsup2 25959 volcn 25960 vitalilem4 25965 vitalilem5 25966 vitali 25967 ismbf 25982 ismbfcn 25983 mbfconst 25987 mbfid 25989 cncombf 26012 cnmbf 26013 i1fima2 26033 i1fd 26035 itg1ge0 26040 i1f1lem 26043 itg11 26045 i1fadd 26049 i1fmul 26050 itg1addlem2 26051 itg1addlem5 26054 i1fres 26059 itg1ge0a 26065 itg1climres 26068 mbfi1fseqlem4 26072 mbfi1flim 26077 mbfmullem2 26078 itg2const2 26095 itg2splitlem 26102 itg2split 26103 itg2gt0 26114 itg2cnlem2 26116 ibladdlem 26173 itgaddlem1 26176 iblabslem 26181 itggt0 26197 itgcn 26198 ftc1lem4 26392 itgulm 26768 areaf 27322 dmvlsiga 34844 volsupnfl 38788 cnambfre 38791 itg2addnclem 38794 ibladdnclem 38799 itgaddnclem1 38801 iblabsnclem 38806 ftc1cnnclem 38814 volge0 47186 dmvolss 47210 vonvol 47887 |
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