![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > ovol0 | Structured version Visualization version Unicode version |
Description: The empty set has 0 outer Lebesgue measure. (Contributed by Mario Carneiro, 17-Mar-2014.) |
Ref | Expression |
---|---|
ovol0 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0ss 3766 |
. 2
![]() ![]() ![]() ![]() | |
2 | nnex 10637 |
. . 3
![]() ![]() ![]() ![]() | |
3 | 2 | 0dom 7720 |
. 2
![]() ![]() ![]() ![]() |
4 | ovolctb2 22523 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
5 | 1, 3, 4 | mp2an 686 |
1
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1677 ax-4 1690 ax-5 1766 ax-6 1813 ax-7 1859 ax-8 1906 ax-9 1913 ax-10 1932 ax-11 1937 ax-12 1950 ax-13 2104 ax-ext 2451 ax-rep 4508 ax-sep 4518 ax-nul 4527 ax-pow 4579 ax-pr 4639 ax-un 6602 ax-inf2 8164 ax-cnex 9613 ax-resscn 9614 ax-1cn 9615 ax-icn 9616 ax-addcl 9617 ax-addrcl 9618 ax-mulcl 9619 ax-mulrcl 9620 ax-mulcom 9621 ax-addass 9622 ax-mulass 9623 ax-distr 9624 ax-i2m1 9625 ax-1ne0 9626 ax-1rid 9627 ax-rnegex 9628 ax-rrecex 9629 ax-cnre 9630 ax-pre-lttri 9631 ax-pre-lttrn 9632 ax-pre-ltadd 9633 ax-pre-mulgt0 9634 ax-pre-sup 9635 |
This theorem depends on definitions: df-bi 190 df-or 377 df-an 378 df-3or 1008 df-3an 1009 df-tru 1455 df-fal 1458 df-ex 1672 df-nf 1676 df-sb 1806 df-eu 2323 df-mo 2324 df-clab 2458 df-cleq 2464 df-clel 2467 df-nfc 2601 df-ne 2643 df-nel 2644 df-ral 2761 df-rex 2762 df-reu 2763 df-rmo 2764 df-rab 2765 df-v 3033 df-sbc 3256 df-csb 3350 df-dif 3393 df-un 3395 df-in 3397 df-ss 3404 df-pss 3406 df-nul 3723 df-if 3873 df-pw 3944 df-sn 3960 df-pr 3962 df-tp 3964 df-op 3966 df-uni 4191 df-int 4227 df-iun 4271 df-br 4396 df-opab 4455 df-mpt 4456 df-tr 4491 df-eprel 4750 df-id 4754 df-po 4760 df-so 4761 df-fr 4798 df-se 4799 df-we 4800 df-xp 4845 df-rel 4846 df-cnv 4847 df-co 4848 df-dm 4849 df-rn 4850 df-res 4851 df-ima 4852 df-pred 5387 df-ord 5433 df-on 5434 df-lim 5435 df-suc 5436 df-iota 5553 df-fun 5591 df-fn 5592 df-f 5593 df-f1 5594 df-fo 5595 df-f1o 5596 df-fv 5597 df-isom 5598 df-riota 6270 df-ov 6311 df-oprab 6312 df-mpt2 6313 df-of 6550 df-om 6712 df-1st 6812 df-2nd 6813 df-wrecs 7046 df-recs 7108 df-rdg 7146 df-1o 7200 df-2o 7201 df-oadd 7204 df-er 7381 df-map 7492 df-en 7588 df-dom 7589 df-sdom 7590 df-fin 7591 df-sup 7974 df-inf 7975 df-oi 8043 df-card 8391 df-cda 8616 df-pnf 9695 df-mnf 9696 df-xr 9697 df-ltxr 9698 df-le 9699 df-sub 9882 df-neg 9883 df-div 10292 df-nn 10632 df-2 10690 df-3 10691 df-n0 10894 df-z 10962 df-uz 11183 df-q 11288 df-rp 11326 df-xadd 11433 df-ioo 11664 df-ico 11666 df-icc 11667 df-fz 11811 df-fzo 11943 df-seq 12252 df-exp 12311 df-hash 12554 df-cj 13239 df-re 13240 df-im 13241 df-sqrt 13375 df-abs 13376 df-clim 13629 df-sum 13830 df-xmet 19040 df-met 19041 df-ovol 22494 |
This theorem is referenced by: ovolfiniun 22532 ovoliunnul 22538 0mbl 22571 volfiniun 22579 voliunlem3 22584 iccvolcl 22599 ioovolcl 22601 itg1val2 22721 itg11 22728 itg1addlem4 22736 itg1le 22750 itg2cnlem2 22799 itgsplitioo 22874 volmeas 29127 mblfinlem3 32043 ismblfin 32045 ovoliunnfl 32046 voliunnfl 32048 volsupnfl 32049 areacirc 32101 arearect 36171 areaquad 36172 vol0 37933 |
Copyright terms: Public domain | W3C validator |