Step | Hyp | Ref
| Expression |
1 | | mreexmrid.2 |
. 2
β’ π = (mrClsβπ΄) |
2 | | mreexmrid.3 |
. 2
β’ πΌ = (mrIndβπ΄) |
3 | | mreexmrid.1 |
. 2
β’ (π β π΄ β (Mooreβπ)) |
4 | | mreexmrid.5 |
. . . 4
β’ (π β π β πΌ) |
5 | 2, 3, 4 | mrissd 17576 |
. . 3
β’ (π β π β π) |
6 | | mreexmrid.6 |
. . . 4
β’ (π β π β π) |
7 | 6 | snssd 4811 |
. . 3
β’ (π β {π} β π) |
8 | 5, 7 | unssd 4185 |
. 2
β’ (π β (π βͺ {π}) β π) |
9 | 3 | 3ad2ant1 1134 |
. . . . . . . . . 10
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β π΄ β (Mooreβπ)) |
10 | 9 | elfvexd 6927 |
. . . . . . . . 9
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β π β V) |
11 | | mreexmrid.4 |
. . . . . . . . . 10
β’ (π β βπ β π« πβπ¦ β π βπ§ β ((πβ(π βͺ {π¦})) β (πβπ ))π¦ β (πβ(π βͺ {π§}))) |
12 | 11 | 3ad2ant1 1134 |
. . . . . . . . 9
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β βπ β π« πβπ¦ β π βπ§ β ((πβ(π βͺ {π¦})) β (πβπ ))π¦ β (πβ(π βͺ {π§}))) |
13 | 4 | 3ad2ant1 1134 |
. . . . . . . . . . 11
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β π β πΌ) |
14 | 2, 9, 13 | mrissd 17576 |
. . . . . . . . . 10
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β π β π) |
15 | 14 | ssdifssd 4141 |
. . . . . . . . 9
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β (π β {π₯}) β π) |
16 | 6 | 3ad2ant1 1134 |
. . . . . . . . 9
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β π β π) |
17 | | simp3 1139 |
. . . . . . . . . 10
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β π₯ β (πβ((π βͺ {π}) β {π₯}))) |
18 | | difundir 4279 |
. . . . . . . . . . . 12
β’ ((π βͺ {π}) β {π₯}) = ((π β {π₯}) βͺ ({π} β {π₯})) |
19 | | simp2 1138 |
. . . . . . . . . . . . . . . 16
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β π₯ β π) |
20 | 3, 1, 5 | mrcssidd 17565 |
. . . . . . . . . . . . . . . . . 18
β’ (π β π β (πβπ)) |
21 | | mreexmrid.7 |
. . . . . . . . . . . . . . . . . 18
β’ (π β Β¬ π β (πβπ)) |
22 | 20, 21 | ssneldd 3984 |
. . . . . . . . . . . . . . . . 17
β’ (π β Β¬ π β π) |
23 | 22 | 3ad2ant1 1134 |
. . . . . . . . . . . . . . . 16
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β Β¬ π β π) |
24 | | nelneq 2858 |
. . . . . . . . . . . . . . . 16
β’ ((π₯ β π β§ Β¬ π β π) β Β¬ π₯ = π) |
25 | 19, 23, 24 | syl2anc 585 |
. . . . . . . . . . . . . . 15
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β Β¬ π₯ = π) |
26 | | elsni 4644 |
. . . . . . . . . . . . . . 15
β’ (π₯ β {π} β π₯ = π) |
27 | 25, 26 | nsyl 140 |
. . . . . . . . . . . . . 14
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β Β¬ π₯ β {π}) |
28 | | difsnb 4808 |
. . . . . . . . . . . . . 14
β’ (Β¬
π₯ β {π} β ({π} β {π₯}) = {π}) |
29 | 27, 28 | sylib 217 |
. . . . . . . . . . . . 13
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β ({π} β {π₯}) = {π}) |
30 | 29 | uneq2d 4162 |
. . . . . . . . . . . 12
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β ((π β {π₯}) βͺ ({π} β {π₯})) = ((π β {π₯}) βͺ {π})) |
31 | 18, 30 | eqtrid 2785 |
. . . . . . . . . . 11
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β ((π βͺ {π}) β {π₯}) = ((π β {π₯}) βͺ {π})) |
32 | 31 | fveq2d 6892 |
. . . . . . . . . 10
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β (πβ((π βͺ {π}) β {π₯})) = (πβ((π β {π₯}) βͺ {π}))) |
33 | 17, 32 | eleqtrd 2836 |
. . . . . . . . 9
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β π₯ β (πβ((π β {π₯}) βͺ {π}))) |
34 | 1, 2, 9, 13, 19 | ismri2dad 17577 |
. . . . . . . . 9
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β Β¬ π₯ β (πβ(π β {π₯}))) |
35 | 10, 12, 15, 16, 33, 34 | mreexd 17582 |
. . . . . . . 8
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β π β (πβ((π β {π₯}) βͺ {π₯}))) |
36 | 21 | 3ad2ant1 1134 |
. . . . . . . . 9
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β Β¬ π β (πβπ)) |
37 | | undif1 4474 |
. . . . . . . . . . 11
β’ ((π β {π₯}) βͺ {π₯}) = (π βͺ {π₯}) |
38 | 19 | snssd 4811 |
. . . . . . . . . . . 12
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β {π₯} β π) |
39 | | ssequn2 4182 |
. . . . . . . . . . . 12
β’ ({π₯} β π β (π βͺ {π₯}) = π) |
40 | 38, 39 | sylib 217 |
. . . . . . . . . . 11
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β (π βͺ {π₯}) = π) |
41 | 37, 40 | eqtrid 2785 |
. . . . . . . . . 10
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β ((π β {π₯}) βͺ {π₯}) = π) |
42 | 41 | fveq2d 6892 |
. . . . . . . . 9
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β (πβ((π β {π₯}) βͺ {π₯})) = (πβπ)) |
43 | 36, 42 | neleqtrrd 2857 |
. . . . . . . 8
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β Β¬ π β (πβ((π β {π₯}) βͺ {π₯}))) |
44 | 35, 43 | pm2.65i 193 |
. . . . . . 7
β’ Β¬
(π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) |
45 | | df-3an 1090 |
. . . . . . 7
β’ ((π β§ π₯ β π β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) β ((π β§ π₯ β π) β§ π₯ β (πβ((π βͺ {π}) β {π₯})))) |
46 | 44, 45 | mtbi 322 |
. . . . . 6
β’ Β¬
((π β§ π₯ β π) β§ π₯ β (πβ((π βͺ {π}) β {π₯}))) |
47 | 46 | imnani 402 |
. . . . 5
β’ ((π β§ π₯ β π) β Β¬ π₯ β (πβ((π βͺ {π}) β {π₯}))) |
48 | 47 | adantlr 714 |
. . . 4
β’ (((π β§ π₯ β (π βͺ {π})) β§ π₯ β π) β Β¬ π₯ β (πβ((π βͺ {π}) β {π₯}))) |
49 | 26 | adantl 483 |
. . . . . 6
β’ (((π β§ π₯ β (π βͺ {π})) β§ π₯ β {π}) β π₯ = π) |
50 | 21 | ad2antrr 725 |
. . . . . 6
β’ (((π β§ π₯ β (π βͺ {π})) β§ π₯ β {π}) β Β¬ π β (πβπ)) |
51 | 49, 50 | eqneltrd 2854 |
. . . . 5
β’ (((π β§ π₯ β (π βͺ {π})) β§ π₯ β {π}) β Β¬ π₯ β (πβπ)) |
52 | 49 | sneqd 4639 |
. . . . . . . . 9
β’ (((π β§ π₯ β (π βͺ {π})) β§ π₯ β {π}) β {π₯} = {π}) |
53 | 52 | difeq2d 4121 |
. . . . . . . 8
β’ (((π β§ π₯ β (π βͺ {π})) β§ π₯ β {π}) β ((π βͺ {π}) β {π₯}) = ((π βͺ {π}) β {π})) |
54 | | difun2 4479 |
. . . . . . . 8
β’ ((π βͺ {π}) β {π}) = (π β {π}) |
55 | 53, 54 | eqtrdi 2789 |
. . . . . . 7
β’ (((π β§ π₯ β (π βͺ {π})) β§ π₯ β {π}) β ((π βͺ {π}) β {π₯}) = (π β {π})) |
56 | | difsnb 4808 |
. . . . . . . . 9
β’ (Β¬
π β π β (π β {π}) = π) |
57 | 22, 56 | sylib 217 |
. . . . . . . 8
β’ (π β (π β {π}) = π) |
58 | 57 | ad2antrr 725 |
. . . . . . 7
β’ (((π β§ π₯ β (π βͺ {π})) β§ π₯ β {π}) β (π β {π}) = π) |
59 | 55, 58 | eqtrd 2773 |
. . . . . 6
β’ (((π β§ π₯ β (π βͺ {π})) β§ π₯ β {π}) β ((π βͺ {π}) β {π₯}) = π) |
60 | 59 | fveq2d 6892 |
. . . . 5
β’ (((π β§ π₯ β (π βͺ {π})) β§ π₯ β {π}) β (πβ((π βͺ {π}) β {π₯})) = (πβπ)) |
61 | 51, 60 | neleqtrrd 2857 |
. . . 4
β’ (((π β§ π₯ β (π βͺ {π})) β§ π₯ β {π}) β Β¬ π₯ β (πβ((π βͺ {π}) β {π₯}))) |
62 | | simpr 486 |
. . . . 5
β’ ((π β§ π₯ β (π βͺ {π})) β π₯ β (π βͺ {π})) |
63 | | elun 4147 |
. . . . 5
β’ (π₯ β (π βͺ {π}) β (π₯ β π β¨ π₯ β {π})) |
64 | 62, 63 | sylib 217 |
. . . 4
β’ ((π β§ π₯ β (π βͺ {π})) β (π₯ β π β¨ π₯ β {π})) |
65 | 48, 61, 64 | mpjaodan 958 |
. . 3
β’ ((π β§ π₯ β (π βͺ {π})) β Β¬ π₯ β (πβ((π βͺ {π}) β {π₯}))) |
66 | 65 | ralrimiva 3147 |
. 2
β’ (π β βπ₯ β (π βͺ {π}) Β¬ π₯ β (πβ((π βͺ {π}) β {π₯}))) |
67 | 1, 2, 3, 8, 66 | ismri2dd 17574 |
1
β’ (π β (π βͺ {π}) β πΌ) |