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Mirrors > Home > MPE Home > Th. List > mbff | Structured version Visualization version GIF version |
Description: A measurable function is a function into the complex numbers. (Contributed by Mario Carneiro, 17-Jun-2014.) |
Ref | Expression |
---|---|
mbff | β’ (πΉ β MblFn β πΉ:dom πΉβΆβ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ismbf1 25148 | . . 3 β’ (πΉ β MblFn β (πΉ β (β βpm β) β§ βπ₯ β ran (,)((β‘(β β πΉ) β π₯) β dom vol β§ (β‘(β β πΉ) β π₯) β dom vol))) | |
2 | 1 | simplbi 498 | . 2 β’ (πΉ β MblFn β πΉ β (β βpm β)) |
3 | cnex 11193 | . . . 4 β’ β β V | |
4 | reex 11203 | . . . 4 β’ β β V | |
5 | 3, 4 | elpm2 8870 | . . 3 β’ (πΉ β (β βpm β) β (πΉ:dom πΉβΆβ β§ dom πΉ β β)) |
6 | 5 | simplbi 498 | . 2 β’ (πΉ β (β βpm β) β πΉ:dom πΉβΆβ) |
7 | 2, 6 | syl 17 | 1 β’ (πΉ β MblFn β πΉ:dom πΉβΆβ) |
Colors of variables: wff setvar class |
Syntax hints: β wi 4 β§ wa 396 β wcel 2106 βwral 3061 β wss 3948 β‘ccnv 5675 dom cdm 5676 ran crn 5677 β cima 5679 β ccom 5680 βΆwf 6539 (class class class)co 7411 βpm cpm 8823 βcc 11110 βcr 11111 (,)cioo 13326 βcre 15046 βcim 15047 volcvol 24987 MblFncmbf 25138 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2703 ax-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 ax-un 7727 ax-cnex 11168 ax-resscn 11169 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2534 df-eu 2563 df-clab 2710 df-cleq 2724 df-clel 2810 df-nfc 2885 df-ne 2941 df-ral 3062 df-rex 3071 df-rab 3433 df-v 3476 df-sbc 3778 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-nul 4323 df-if 4529 df-pw 4604 df-sn 4629 df-pr 4631 df-op 4635 df-uni 4909 df-br 5149 df-opab 5211 df-id 5574 df-xp 5682 df-rel 5683 df-cnv 5684 df-co 5685 df-dm 5686 df-rn 5687 df-res 5688 df-ima 5689 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-fv 6551 df-ov 7414 df-oprab 7415 df-mpo 7416 df-pm 8825 df-mbf 25143 |
This theorem is referenced by: mbfdm 25150 mbfmptcl 25160 mbfres 25168 mbfimaopnlem 25179 mbfadd 25185 mbfsub 25186 mbfmul 25251 iblcnlem 25313 bddmulibl 25363 bddibl 25364 bddiblnc 25366 mbfresmf 45540 |
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