Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > omessle | Structured version Visualization version Unicode version |
Description: The outer measure of a set is larger or equal to the measure of a subset, Definition 113A (ii) of [Fremlin1] p. 19. (Contributed by Glauco Siliprandi, 17-Aug-2020.) |
Ref | Expression |
---|---|
omessle.o | OutMeas |
omessle.x | |
omessle.b | |
omessle.a |
Ref | Expression |
---|---|
omessle |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | omessle.a | . . 3 | |
2 | omessle.o | . . . . . . 7 OutMeas | |
3 | omessle.x | . . . . . . 7 | |
4 | 2, 3 | unidmex 39217 | . . . . . 6 |
5 | omessle.b | . . . . . 6 | |
6 | 4, 5 | ssexd 4805 | . . . . 5 |
7 | 6, 1 | ssexd 4805 | . . . 4 |
8 | elpwg 4166 | . . . 4 | |
9 | 7, 8 | syl 17 | . . 3 |
10 | 1, 9 | mpbird 247 | . 2 |
11 | 5, 3 | syl6sseq 3651 | . . . 4 |
12 | elpwg 4166 | . . . . 5 | |
13 | 6, 12 | syl 17 | . . . 4 |
14 | 11, 13 | mpbird 247 | . . 3 |
15 | isome 40708 | . . . . . 6 OutMeas OutMeas Σ^ | |
16 | 2, 15 | syl 17 | . . . . 5 OutMeas Σ^ |
17 | 2, 16 | mpbid 222 | . . . 4 Σ^ |
18 | 17 | simplrd 793 | . . 3 |
19 | pweq 4161 | . . . . . 6 | |
20 | 19 | raleqdv 3144 | . . . . 5 |
21 | fveq2 6191 | . . . . . . 7 | |
22 | 21 | breq2d 4665 | . . . . . 6 |
23 | 22 | ralbidv 2986 | . . . . 5 |
24 | 20, 23 | bitrd 268 | . . . 4 |
25 | 24 | rspcva 3307 | . . 3 |
26 | 14, 18, 25 | syl2anc 693 | . 2 |
27 | fveq2 6191 | . . . 4 | |
28 | 27 | breq1d 4663 | . . 3 |
29 | 28 | rspcva 3307 | . 2 |
30 | 10, 26, 29 | syl2anc 693 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 wceq 1483 wcel 1990 wral 2912 cvv 3200 wss 3574 c0 3915 cpw 4158 cuni 4436 class class class wbr 4653 cdm 5114 cres 5116 wf 5884 cfv 5888 (class class class)co 6650 com 7065 cdom 7953 cc0 9936 cpnf 10071 cle 10075 cicc 12178 Σ^csumge0 40579 OutMeascome 40703 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-fv 5896 df-ome 40704 |
This theorem is referenced by: omessre 40724 omeiunltfirp 40733 carageniuncllem2 40736 caratheodorylem2 40741 omess0 40748 caragencmpl 40749 |
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