Step | Hyp | Ref
| Expression |
1 | | elex 3493 |
. . . 4
β’ (π· β π β π· β V) |
2 | | symgtrf.g |
. . . . . . 7
β’ πΊ = (SymGrpβπ·) |
3 | 2 | symggrp 19263 |
. . . . . 6
β’ (π· β V β πΊ β Grp) |
4 | 3 | grpmndd 18829 |
. . . . 5
β’ (π· β V β πΊ β Mnd) |
5 | | symgtrf.b |
. . . . . 6
β’ π΅ = (BaseβπΊ) |
6 | 5 | submacs 18705 |
. . . . 5
β’ (πΊ β Mnd β
(SubMndβπΊ) β
(ACSβπ΅)) |
7 | | acsmre 17593 |
. . . . 5
β’
((SubMndβπΊ)
β (ACSβπ΅) β
(SubMndβπΊ) β
(Mooreβπ΅)) |
8 | 4, 6, 7 | 3syl 18 |
. . . 4
β’ (π· β V β
(SubMndβπΊ) β
(Mooreβπ΅)) |
9 | 1, 8 | syl 17 |
. . 3
β’ (π· β π β (SubMndβπΊ) β (Mooreβπ΅)) |
10 | | symgtrf.t |
. . . . . 6
β’ π = ran (pmTrspβπ·) |
11 | 10, 2, 5 | symgtrf 19332 |
. . . . 5
β’ π β π΅ |
12 | 11 | a1i 11 |
. . . 4
β’ (π· β π β π β π΅) |
13 | | 2onn 8638 |
. . . . . 6
β’
2o β Ο |
14 | | nnfi 9164 |
. . . . . 6
β’
(2o β Ο β 2o β
Fin) |
15 | 13, 14 | ax-mp 5 |
. . . . 5
β’
2o β Fin |
16 | | eqid 2733 |
. . . . . . . . 9
β’
(pmTrspβπ·) =
(pmTrspβπ·) |
17 | 16, 10 | pmtrfb 19328 |
. . . . . . . 8
β’ (π₯ β π β (π· β V β§ π₯:π·β1-1-ontoβπ· β§ dom (π₯ β I ) β
2o)) |
18 | 17 | simp3bi 1148 |
. . . . . . 7
β’ (π₯ β π β dom (π₯ β I ) β
2o) |
19 | | enfi 9187 |
. . . . . . 7
β’ (dom
(π₯ β I ) β
2o β (dom (π₯ β I ) β Fin β 2o
β Fin)) |
20 | 18, 19 | syl 17 |
. . . . . 6
β’ (π₯ β π β (dom (π₯ β I ) β Fin β 2o
β Fin)) |
21 | 20 | adantl 483 |
. . . . 5
β’ ((π· β π β§ π₯ β π) β (dom (π₯ β I ) β Fin β 2o
β Fin)) |
22 | 15, 21 | mpbiri 258 |
. . . 4
β’ ((π· β π β§ π₯ β π) β dom (π₯ β I ) β Fin) |
23 | 12, 22 | ssrabdv 4071 |
. . 3
β’ (π· β π β π β {π₯ β π΅ β£ dom (π₯ β I ) β Fin}) |
24 | 2, 5 | symgfisg 19331 |
. . . 4
β’ (π· β π β {π₯ β π΅ β£ dom (π₯ β I ) β Fin} β
(SubGrpβπΊ)) |
25 | | subgsubm 19023 |
. . . 4
β’ ({π₯ β π΅ β£ dom (π₯ β I ) β Fin} β
(SubGrpβπΊ) β
{π₯ β π΅ β£ dom (π₯ β I ) β Fin} β
(SubMndβπΊ)) |
26 | 24, 25 | syl 17 |
. . 3
β’ (π· β π β {π₯ β π΅ β£ dom (π₯ β I ) β Fin} β
(SubMndβπΊ)) |
27 | | symggen.k |
. . . 4
β’ πΎ =
(mrClsβ(SubMndβπΊ)) |
28 | 27 | mrcsscl 17561 |
. . 3
β’
(((SubMndβπΊ)
β (Mooreβπ΅)
β§ π β {π₯ β π΅ β£ dom (π₯ β I ) β Fin} β§ {π₯ β π΅ β£ dom (π₯ β I ) β Fin} β
(SubMndβπΊ)) β
(πΎβπ) β {π₯ β π΅ β£ dom (π₯ β I ) β Fin}) |
29 | 9, 23, 26, 28 | syl3anc 1372 |
. 2
β’ (π· β π β (πΎβπ) β {π₯ β π΅ β£ dom (π₯ β I ) β Fin}) |
30 | | vex 3479 |
. . . . . . 7
β’ π₯ β V |
31 | 30 | a1i 11 |
. . . . . 6
β’ (dom
(π₯ β I ) β Fin
β π₯ β
V) |
32 | | finnum 9940 |
. . . . . 6
β’ (dom
(π₯ β I ) β Fin
β dom (π₯ β I )
β dom card) |
33 | | domfi 9189 |
. . . . . . . 8
β’ ((dom
(π₯ β I ) β Fin
β§ dom (π¦ β I )
βΌ dom (π₯ β I ))
β dom (π¦ β I )
β Fin) |
34 | 2, 5 | symgbasf1o 19237 |
. . . . . . . . . . . . . . 15
β’ (π¦ β π΅ β π¦:π·β1-1-ontoβπ·) |
35 | 34 | adantl 483 |
. . . . . . . . . . . . . 14
β’ ((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β π¦:π·β1-1-ontoβπ·) |
36 | | f1ofn 6832 |
. . . . . . . . . . . . . 14
β’ (π¦:π·β1-1-ontoβπ· β π¦ Fn π·) |
37 | | fnnfpeq0 7173 |
. . . . . . . . . . . . . 14
β’ (π¦ Fn π· β (dom (π¦ β I ) = β
β π¦ = ( I βΎ π·))) |
38 | 35, 36, 37 | 3syl 18 |
. . . . . . . . . . . . 13
β’ ((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β (dom (π¦ β I ) = β
β
π¦ = ( I βΎ π·))) |
39 | 2, 5 | elbasfv 17147 |
. . . . . . . . . . . . . . . . 17
β’ (π¦ β π΅ β π· β V) |
40 | 39 | adantl 483 |
. . . . . . . . . . . . . . . 16
β’ ((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β π· β V) |
41 | 2 | symgid 19264 |
. . . . . . . . . . . . . . . 16
β’ (π· β V β ( I βΎ
π·) =
(0gβπΊ)) |
42 | 40, 41 | syl 17 |
. . . . . . . . . . . . . . 15
β’ ((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β ( I βΎ π·) = (0gβπΊ)) |
43 | 40, 8 | syl 17 |
. . . . . . . . . . . . . . . . 17
β’ ((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β (SubMndβπΊ) β (Mooreβπ΅)) |
44 | 27 | mrccl 17552 |
. . . . . . . . . . . . . . . . 17
β’
(((SubMndβπΊ)
β (Mooreβπ΅)
β§ π β π΅) β (πΎβπ) β (SubMndβπΊ)) |
45 | 43, 11, 44 | sylancl 587 |
. . . . . . . . . . . . . . . 16
β’ ((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β (πΎβπ) β (SubMndβπΊ)) |
46 | | eqid 2733 |
. . . . . . . . . . . . . . . . 17
β’
(0gβπΊ) = (0gβπΊ) |
47 | 46 | subm0cl 18689 |
. . . . . . . . . . . . . . . 16
β’ ((πΎβπ) β (SubMndβπΊ) β (0gβπΊ) β (πΎβπ)) |
48 | 45, 47 | syl 17 |
. . . . . . . . . . . . . . 15
β’ ((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β
(0gβπΊ)
β (πΎβπ)) |
49 | 42, 48 | eqeltrd 2834 |
. . . . . . . . . . . . . 14
β’ ((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β ( I βΎ π·) β (πΎβπ)) |
50 | | eleq1a 2829 |
. . . . . . . . . . . . . 14
β’ (( I
βΎ π·) β (πΎβπ) β (π¦ = ( I βΎ π·) β π¦ β (πΎβπ))) |
51 | 49, 50 | syl 17 |
. . . . . . . . . . . . 13
β’ ((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β (π¦ = ( I βΎ π·) β π¦ β (πΎβπ))) |
52 | 38, 51 | sylbid 239 |
. . . . . . . . . . . 12
β’ ((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β (dom (π¦ β I ) = β
β
π¦ β (πΎβπ))) |
53 | 52 | adantr 482 |
. . . . . . . . . . 11
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ βπ§(dom (π§ β I ) βΊ dom (π¦ β I ) β (π§ β π΅ β π§ β (πΎβπ)))) β (dom (π¦ β I ) = β
β π¦ β (πΎβπ))) |
54 | | n0 4346 |
. . . . . . . . . . . 12
β’ (dom
(π¦ β I ) β β
β βπ’ π’ β dom (π¦ β I )) |
55 | 40 | adantr 482 |
. . . . . . . . . . . . . . . . . . . . 21
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β π· β V) |
56 | | simpr 486 |
. . . . . . . . . . . . . . . . . . . . . . 23
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β π’ β dom (π¦ β I )) |
57 | | f1omvdmvd 19306 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
β’ ((π¦:π·β1-1-ontoβπ· β§ π’ β dom (π¦ β I )) β (π¦βπ’) β (dom (π¦ β I ) β {π’})) |
58 | 35, 57 | sylan 581 |
. . . . . . . . . . . . . . . . . . . . . . . 24
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (π¦βπ’) β (dom (π¦ β I ) β {π’})) |
59 | 58 | eldifad 3960 |
. . . . . . . . . . . . . . . . . . . . . . 23
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (π¦βπ’) β dom (π¦ β I )) |
60 | 56, 59 | prssd 4825 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β {π’, (π¦βπ’)} β dom (π¦ β I )) |
61 | | difss 4131 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
β’ (π¦ β I ) β π¦ |
62 | | dmss 5901 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
β’ ((π¦ β I ) β π¦ β dom (π¦ β I ) β dom π¦) |
63 | 61, 62 | ax-mp 5 |
. . . . . . . . . . . . . . . . . . . . . . . 24
β’ dom
(π¦ β I ) β dom
π¦ |
64 | | f1odm 6835 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
β’ (π¦:π·β1-1-ontoβπ· β dom π¦ = π·) |
65 | 35, 64 | syl 17 |
. . . . . . . . . . . . . . . . . . . . . . . 24
β’ ((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β dom π¦ = π·) |
66 | 63, 65 | sseqtrid 4034 |
. . . . . . . . . . . . . . . . . . . . . . 23
β’ ((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β dom (π¦ β I ) β π·) |
67 | 66 | adantr 482 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β dom (π¦ β I ) β π·) |
68 | 60, 67 | sstrd 3992 |
. . . . . . . . . . . . . . . . . . . . 21
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β {π’, (π¦βπ’)} β π·) |
69 | | vex 3479 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ π’ β V |
70 | | fvex 6902 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ (π¦βπ’) β V |
71 | 35 | adantr 482 |
. . . . . . . . . . . . . . . . . . . . . . . . . 26
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β π¦:π·β1-1-ontoβπ·) |
72 | 71, 36 | syl 17 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β π¦ Fn π·) |
73 | 66 | sselda 3982 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β π’ β π·) |
74 | | fnelnfp 7172 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
β’ ((π¦ Fn π· β§ π’ β π·) β (π’ β dom (π¦ β I ) β (π¦βπ’) β π’)) |
75 | 72, 73, 74 | syl2anc 585 |
. . . . . . . . . . . . . . . . . . . . . . . 24
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (π’ β dom (π¦ β I ) β (π¦βπ’) β π’)) |
76 | 56, 75 | mpbid 231 |
. . . . . . . . . . . . . . . . . . . . . . 23
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (π¦βπ’) β π’) |
77 | 76 | necomd 2997 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β π’ β (π¦βπ’)) |
78 | | enpr2 9994 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ ((π’ β V β§ (π¦βπ’) β V β§ π’ β (π¦βπ’)) β {π’, (π¦βπ’)} β 2o) |
79 | 69, 70, 77, 78 | mp3an12i 1466 |
. . . . . . . . . . . . . . . . . . . . 21
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β {π’, (π¦βπ’)} β 2o) |
80 | 16, 10 | pmtrrn 19320 |
. . . . . . . . . . . . . . . . . . . . 21
β’ ((π· β V β§ {π’, (π¦βπ’)} β π· β§ {π’, (π¦βπ’)} β 2o) β
((pmTrspβπ·)β{π’, (π¦βπ’)}) β π) |
81 | 55, 68, 79, 80 | syl3anc 1372 |
. . . . . . . . . . . . . . . . . . . 20
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β ((pmTrspβπ·)β{π’, (π¦βπ’)}) β π) |
82 | 11, 81 | sselid 3980 |
. . . . . . . . . . . . . . . . . . 19
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β ((pmTrspβπ·)β{π’, (π¦βπ’)}) β π΅) |
83 | | simplr 768 |
. . . . . . . . . . . . . . . . . . 19
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β π¦ β π΅) |
84 | | eqid 2733 |
. . . . . . . . . . . . . . . . . . . 20
β’
(+gβπΊ) = (+gβπΊ) |
85 | 2, 5, 84 | symgov 19246 |
. . . . . . . . . . . . . . . . . . 19
β’
((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π΅ β§ π¦ β π΅) β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) = (((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦)) |
86 | 82, 83, 85 | syl2anc 585 |
. . . . . . . . . . . . . . . . . 18
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) = (((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦)) |
87 | 86 | oveq2d 7422 |
. . . . . . . . . . . . . . . . 17
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)(((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦)) = (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)(((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦))) |
88 | 40, 3 | syl 17 |
. . . . . . . . . . . . . . . . . . . . 21
β’ ((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β πΊ β Grp) |
89 | 88 | adantr 482 |
. . . . . . . . . . . . . . . . . . . 20
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β πΊ β Grp) |
90 | 5, 84 | grpcl 18824 |
. . . . . . . . . . . . . . . . . . . 20
β’ ((πΊ β Grp β§
((pmTrspβπ·)β{π’, (π¦βπ’)}) β π΅ β§ π¦ β π΅) β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β π΅) |
91 | 89, 82, 83, 90 | syl3anc 1372 |
. . . . . . . . . . . . . . . . . . 19
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β π΅) |
92 | 86, 91 | eqeltrrd 2835 |
. . . . . . . . . . . . . . . . . 18
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) β π΅) |
93 | 2, 5, 84 | symgov 19246 |
. . . . . . . . . . . . . . . . . 18
β’
((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π΅ β§ (((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) β π΅) β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)(((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦)) = (((pmTrspβπ·)β{π’, (π¦βπ’)}) β (((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦))) |
94 | 82, 92, 93 | syl2anc 585 |
. . . . . . . . . . . . . . . . 17
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)(((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦)) = (((pmTrspβπ·)β{π’, (π¦βπ’)}) β (((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦))) |
95 | | coass 6262 |
. . . . . . . . . . . . . . . . . 18
β’
((((pmTrspβπ·)β{π’, (π¦βπ’)}) β ((pmTrspβπ·)β{π’, (π¦βπ’)})) β π¦) = (((pmTrspβπ·)β{π’, (π¦βπ’)}) β (((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦)) |
96 | 16, 10 | pmtrfinv 19324 |
. . . . . . . . . . . . . . . . . . . . 21
β’
(((pmTrspβπ·)β{π’, (π¦βπ’)}) β π β (((pmTrspβπ·)β{π’, (π¦βπ’)}) β ((pmTrspβπ·)β{π’, (π¦βπ’)})) = ( I βΎ π·)) |
97 | 81, 96 | syl 17 |
. . . . . . . . . . . . . . . . . . . 20
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (((pmTrspβπ·)β{π’, (π¦βπ’)}) β ((pmTrspβπ·)β{π’, (π¦βπ’)})) = ( I βΎ π·)) |
98 | 97 | coeq1d 5860 |
. . . . . . . . . . . . . . . . . . 19
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β ((((pmTrspβπ·)β{π’, (π¦βπ’)}) β ((pmTrspβπ·)β{π’, (π¦βπ’)})) β π¦) = (( I βΎ π·) β π¦)) |
99 | | f1of 6831 |
. . . . . . . . . . . . . . . . . . . 20
β’ (π¦:π·β1-1-ontoβπ· β π¦:π·βΆπ·) |
100 | | fcoi2 6764 |
. . . . . . . . . . . . . . . . . . . 20
β’ (π¦:π·βΆπ· β (( I βΎ π·) β π¦) = π¦) |
101 | 71, 99, 100 | 3syl 18 |
. . . . . . . . . . . . . . . . . . 19
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (( I βΎ π·) β π¦) = π¦) |
102 | 98, 101 | eqtrd 2773 |
. . . . . . . . . . . . . . . . . 18
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β ((((pmTrspβπ·)β{π’, (π¦βπ’)}) β ((pmTrspβπ·)β{π’, (π¦βπ’)})) β π¦) = π¦) |
103 | 95, 102 | eqtr3id 2787 |
. . . . . . . . . . . . . . . . 17
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (((pmTrspβπ·)β{π’, (π¦βπ’)}) β (((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦)) = π¦) |
104 | 87, 94, 103 | 3eqtrd 2777 |
. . . . . . . . . . . . . . . 16
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)(((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦)) = π¦) |
105 | 104 | adantlr 714 |
. . . . . . . . . . . . . . 15
β’ ((((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ βπ§(dom (π§ β I ) βΊ dom (π¦ β I ) β (π§ β π΅ β π§ β (πΎβπ)))) β§ π’ β dom (π¦ β I )) β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)(((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦)) = π¦) |
106 | 45 | ad2antrr 725 |
. . . . . . . . . . . . . . . 16
β’ ((((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ βπ§(dom (π§ β I ) βΊ dom (π¦ β I ) β (π§ β π΅ β π§ β (πΎβπ)))) β§ π’ β dom (π¦ β I )) β (πΎβπ) β (SubMndβπΊ)) |
107 | 27 | mrcssid 17558 |
. . . . . . . . . . . . . . . . . . . 20
β’
(((SubMndβπΊ)
β (Mooreβπ΅)
β§ π β π΅) β π β (πΎβπ)) |
108 | 43, 11, 107 | sylancl 587 |
. . . . . . . . . . . . . . . . . . 19
β’ ((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β π β (πΎβπ)) |
109 | 108 | adantr 482 |
. . . . . . . . . . . . . . . . . 18
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β π β (πΎβπ)) |
110 | 109, 81 | sseldd 3983 |
. . . . . . . . . . . . . . . . 17
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β ((pmTrspβπ·)β{π’, (π¦βπ’)}) β (πΎβπ)) |
111 | 110 | adantlr 714 |
. . . . . . . . . . . . . . . 16
β’ ((((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ βπ§(dom (π§ β I ) βΊ dom (π¦ β I ) β (π§ β π΅ β π§ β (πΎβπ)))) β§ π’ β dom (π¦ β I )) β ((pmTrspβπ·)β{π’, (π¦βπ’)}) β (πΎβπ)) |
112 | 86 | difeq1d 4121 |
. . . . . . . . . . . . . . . . . . . 20
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β ((((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β I ) = ((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) β I )) |
113 | 112 | dmeqd 5904 |
. . . . . . . . . . . . . . . . . . 19
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β dom
((((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β I ) = dom ((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) β I )) |
114 | | simpll 766 |
. . . . . . . . . . . . . . . . . . . 20
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β dom (π¦ β I ) β Fin) |
115 | | mvdco 19308 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ dom
((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) β I ) β (dom
(((pmTrspβπ·)β{π’, (π¦βπ’)}) β I ) βͺ dom (π¦ β I )) |
116 | 16 | pmtrmvd 19319 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
β’ ((π· β V β§ {π’, (π¦βπ’)} β π· β§ {π’, (π¦βπ’)} β 2o) β dom
(((pmTrspβπ·)β{π’, (π¦βπ’)}) β I ) = {π’, (π¦βπ’)}) |
117 | 55, 68, 79, 116 | syl3anc 1372 |
. . . . . . . . . . . . . . . . . . . . . . . 24
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β dom
(((pmTrspβπ·)β{π’, (π¦βπ’)}) β I ) = {π’, (π¦βπ’)}) |
118 | 117, 60 | eqsstrd 4020 |
. . . . . . . . . . . . . . . . . . . . . . 23
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β dom
(((pmTrspβπ·)β{π’, (π¦βπ’)}) β I ) β dom (π¦ β I )) |
119 | | ssidd 4005 |
. . . . . . . . . . . . . . . . . . . . . . 23
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β dom (π¦ β I ) β dom (π¦ β I )) |
120 | 118, 119 | unssd 4186 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (dom
(((pmTrspβπ·)β{π’, (π¦βπ’)}) β I ) βͺ dom (π¦ β I )) β dom (π¦ β I )) |
121 | 115, 120 | sstrid 3993 |
. . . . . . . . . . . . . . . . . . . . 21
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β dom
((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) β I ) β dom (π¦ β I )) |
122 | | fvco2 6986 |
. . . . . . . . . . . . . . . . . . . . . . . 24
β’ ((π¦ Fn π· β§ π’ β π·) β ((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦)βπ’) = (((pmTrspβπ·)β{π’, (π¦βπ’)})β(π¦βπ’))) |
123 | 72, 73, 122 | syl2anc 585 |
. . . . . . . . . . . . . . . . . . . . . . 23
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β ((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦)βπ’) = (((pmTrspβπ·)β{π’, (π¦βπ’)})β(π¦βπ’))) |
124 | | prcom 4736 |
. . . . . . . . . . . . . . . . . . . . . . . . . 26
β’ {π’, (π¦βπ’)} = {(π¦βπ’), π’} |
125 | 124 | fveq2i 6892 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
β’
((pmTrspβπ·)β{π’, (π¦βπ’)}) = ((pmTrspβπ·)β{(π¦βπ’), π’}) |
126 | 125 | fveq1i 6890 |
. . . . . . . . . . . . . . . . . . . . . . . 24
β’
(((pmTrspβπ·)β{π’, (π¦βπ’)})β(π¦βπ’)) = (((pmTrspβπ·)β{(π¦βπ’), π’})β(π¦βπ’)) |
127 | 67, 59 | sseldd 3983 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (π¦βπ’) β π·) |
128 | 16 | pmtrprfv 19316 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
β’ ((π· β V β§ ((π¦βπ’) β π· β§ π’ β π· β§ (π¦βπ’) β π’)) β (((pmTrspβπ·)β{(π¦βπ’), π’})β(π¦βπ’)) = π’) |
129 | 55, 127, 73, 76, 128 | syl13anc 1373 |
. . . . . . . . . . . . . . . . . . . . . . . 24
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (((pmTrspβπ·)β{(π¦βπ’), π’})β(π¦βπ’)) = π’) |
130 | 126, 129 | eqtrid 2785 |
. . . . . . . . . . . . . . . . . . . . . . 23
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (((pmTrspβπ·)β{π’, (π¦βπ’)})β(π¦βπ’)) = π’) |
131 | 123, 130 | eqtrd 2773 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β ((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦)βπ’) = π’) |
132 | 2, 5 | symgbasf1o 19237 |
. . . . . . . . . . . . . . . . . . . . . . . 24
β’
((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) β π΅ β (((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦):π·β1-1-ontoβπ·) |
133 | | f1ofn 6832 |
. . . . . . . . . . . . . . . . . . . . . . . 24
β’
((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦):π·β1-1-ontoβπ· β (((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) Fn π·) |
134 | 92, 132, 133 | 3syl 18 |
. . . . . . . . . . . . . . . . . . . . . . 23
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) Fn π·) |
135 | | fnelnfp 7172 |
. . . . . . . . . . . . . . . . . . . . . . . 24
β’
(((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) Fn π· β§ π’ β π·) β (π’ β dom ((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) β I ) β ((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦)βπ’) β π’)) |
136 | 135 | necon2bbid 2985 |
. . . . . . . . . . . . . . . . . . . . . . 23
β’
(((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) Fn π· β§ π’ β π·) β (((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦)βπ’) = π’ β Β¬ π’ β dom ((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) β I ))) |
137 | 134, 73, 136 | syl2anc 585 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β (((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦)βπ’) = π’ β Β¬ π’ β dom ((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) β I ))) |
138 | 131, 137 | mpbid 231 |
. . . . . . . . . . . . . . . . . . . . 21
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β Β¬ π’ β dom ((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) β I )) |
139 | 121, 56, 138 | ssnelpssd 4112 |
. . . . . . . . . . . . . . . . . . . 20
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β dom
((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) β I ) β dom (π¦ β I )) |
140 | | php3 9209 |
. . . . . . . . . . . . . . . . . . . 20
β’ ((dom
(π¦ β I ) β Fin
β§ dom ((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) β I ) β dom (π¦ β I )) β dom
((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) β I ) βΊ dom (π¦ β I )) |
141 | 114, 139,
140 | syl2anc 585 |
. . . . . . . . . . . . . . . . . . 19
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β dom
((((pmTrspβπ·)β{π’, (π¦βπ’)}) β π¦) β I ) βΊ dom (π¦ β I )) |
142 | 113, 141 | eqbrtrd 5170 |
. . . . . . . . . . . . . . . . . 18
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ π’ β dom (π¦ β I )) β dom
((((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β I ) βΊ dom (π¦ β I )) |
143 | 142 | adantlr 714 |
. . . . . . . . . . . . . . . . 17
β’ ((((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ βπ§(dom (π§ β I ) βΊ dom (π¦ β I ) β (π§ β π΅ β π§ β (πΎβπ)))) β§ π’ β dom (π¦ β I )) β dom
((((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β I ) βΊ dom (π¦ β I )) |
144 | 91 | adantlr 714 |
. . . . . . . . . . . . . . . . 17
β’ ((((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ βπ§(dom (π§ β I ) βΊ dom (π¦ β I ) β (π§ β π΅ β π§ β (πΎβπ)))) β§ π’ β dom (π¦ β I )) β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β π΅) |
145 | | ovex 7439 |
. . . . . . . . . . . . . . . . . . 19
β’
(((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β V |
146 | | difeq1 4115 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ (π§ = (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β (π§ β I ) = ((((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β I )) |
147 | 146 | dmeqd 5904 |
. . . . . . . . . . . . . . . . . . . . 21
β’ (π§ = (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β dom (π§ β I ) = dom ((((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β I )) |
148 | 147 | breq1d 5158 |
. . . . . . . . . . . . . . . . . . . 20
β’ (π§ = (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β (dom (π§ β I ) βΊ dom (π¦ β I ) β dom
((((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β I ) βΊ dom (π¦ β I ))) |
149 | | eleq1 2822 |
. . . . . . . . . . . . . . . . . . . . 21
β’ (π§ = (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β (π§ β π΅ β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β π΅)) |
150 | | eleq1 2822 |
. . . . . . . . . . . . . . . . . . . . 21
β’ (π§ = (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β (π§ β (πΎβπ) β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β (πΎβπ))) |
151 | 149, 150 | imbi12d 345 |
. . . . . . . . . . . . . . . . . . . 20
β’ (π§ = (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β ((π§ β π΅ β π§ β (πΎβπ)) β ((((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β π΅ β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β (πΎβπ)))) |
152 | 148, 151 | imbi12d 345 |
. . . . . . . . . . . . . . . . . . 19
β’ (π§ = (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β ((dom (π§ β I ) βΊ dom (π¦ β I ) β (π§ β π΅ β π§ β (πΎβπ))) β (dom ((((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β I ) βΊ dom (π¦ β I ) β ((((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β π΅ β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β (πΎβπ))))) |
153 | 145, 152 | spcv 3596 |
. . . . . . . . . . . . . . . . . 18
β’
(βπ§(dom
(π§ β I ) βΊ dom
(π¦ β I ) β
(π§ β π΅ β π§ β (πΎβπ))) β (dom ((((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β I ) βΊ dom (π¦ β I ) β ((((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β π΅ β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β (πΎβπ)))) |
154 | 153 | ad2antlr 726 |
. . . . . . . . . . . . . . . . 17
β’ ((((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ βπ§(dom (π§ β I ) βΊ dom (π¦ β I ) β (π§ β π΅ β π§ β (πΎβπ)))) β§ π’ β dom (π¦ β I )) β (dom
((((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β I ) βΊ dom (π¦ β I ) β ((((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β π΅ β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β (πΎβπ)))) |
155 | 143, 144,
154 | mp2d 49 |
. . . . . . . . . . . . . . . 16
β’ ((((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ βπ§(dom (π§ β I ) βΊ dom (π¦ β I ) β (π§ β π΅ β π§ β (πΎβπ)))) β§ π’ β dom (π¦ β I )) β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β (πΎβπ)) |
156 | 84 | submcl 18690 |
. . . . . . . . . . . . . . . 16
β’ (((πΎβπ) β (SubMndβπΊ) β§ ((pmTrspβπ·)β{π’, (π¦βπ’)}) β (πΎβπ) β§ (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦) β (πΎβπ)) β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)(((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦)) β (πΎβπ)) |
157 | 106, 111,
155, 156 | syl3anc 1372 |
. . . . . . . . . . . . . . 15
β’ ((((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ βπ§(dom (π§ β I ) βΊ dom (π¦ β I ) β (π§ β π΅ β π§ β (πΎβπ)))) β§ π’ β dom (π¦ β I )) β (((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)(((pmTrspβπ·)β{π’, (π¦βπ’)})(+gβπΊ)π¦)) β (πΎβπ)) |
158 | 105, 157 | eqeltrrd 2835 |
. . . . . . . . . . . . . 14
β’ ((((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ βπ§(dom (π§ β I ) βΊ dom (π¦ β I ) β (π§ β π΅ β π§ β (πΎβπ)))) β§ π’ β dom (π¦ β I )) β π¦ β (πΎβπ)) |
159 | 158 | ex 414 |
. . . . . . . . . . . . 13
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ βπ§(dom (π§ β I ) βΊ dom (π¦ β I ) β (π§ β π΅ β π§ β (πΎβπ)))) β (π’ β dom (π¦ β I ) β π¦ β (πΎβπ))) |
160 | 159 | exlimdv 1937 |
. . . . . . . . . . . 12
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ βπ§(dom (π§ β I ) βΊ dom (π¦ β I ) β (π§ β π΅ β π§ β (πΎβπ)))) β (βπ’ π’ β dom (π¦ β I ) β π¦ β (πΎβπ))) |
161 | 54, 160 | biimtrid 241 |
. . . . . . . . . . 11
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ βπ§(dom (π§ β I ) βΊ dom (π¦ β I ) β (π§ β π΅ β π§ β (πΎβπ)))) β (dom (π¦ β I ) β β
β π¦ β (πΎβπ))) |
162 | 53, 161 | pm2.61dne 3029 |
. . . . . . . . . 10
β’ (((dom
(π¦ β I ) β Fin
β§ π¦ β π΅) β§ βπ§(dom (π§ β I ) βΊ dom (π¦ β I ) β (π§ β π΅ β π§ β (πΎβπ)))) β π¦ β (πΎβπ)) |
163 | 162 | exp31 421 |
. . . . . . . . 9
β’ (dom
(π¦ β I ) β Fin
β (π¦ β π΅ β (βπ§(dom (π§ β I ) βΊ dom (π¦ β I ) β (π§ β π΅ β π§ β (πΎβπ))) β π¦ β (πΎβπ)))) |
164 | 163 | com23 86 |
. . . . . . . 8
β’ (dom
(π¦ β I ) β Fin
β (βπ§(dom
(π§ β I ) βΊ dom
(π¦ β I ) β
(π§ β π΅ β π§ β (πΎβπ))) β (π¦ β π΅ β π¦ β (πΎβπ)))) |
165 | 33, 164 | syl 17 |
. . . . . . 7
β’ ((dom
(π₯ β I ) β Fin
β§ dom (π¦ β I )
βΌ dom (π₯ β I ))
β (βπ§(dom
(π§ β I ) βΊ dom
(π¦ β I ) β
(π§ β π΅ β π§ β (πΎβπ))) β (π¦ β π΅ β π¦ β (πΎβπ)))) |
166 | 165 | 3impia 1118 |
. . . . . 6
β’ ((dom
(π₯ β I ) β Fin
β§ dom (π¦ β I )
βΌ dom (π₯ β I )
β§ βπ§(dom (π§ β I ) βΊ dom (π¦ β I ) β (π§ β π΅ β π§ β (πΎβπ)))) β (π¦ β π΅ β π¦ β (πΎβπ))) |
167 | | eleq1w 2817 |
. . . . . . 7
β’ (π¦ = π§ β (π¦ β π΅ β π§ β π΅)) |
168 | | eleq1w 2817 |
. . . . . . 7
β’ (π¦ = π§ β (π¦ β (πΎβπ) β π§ β (πΎβπ))) |
169 | 167, 168 | imbi12d 345 |
. . . . . 6
β’ (π¦ = π§ β ((π¦ β π΅ β π¦ β (πΎβπ)) β (π§ β π΅ β π§ β (πΎβπ)))) |
170 | | eleq1w 2817 |
. . . . . . 7
β’ (π¦ = π₯ β (π¦ β π΅ β π₯ β π΅)) |
171 | | eleq1w 2817 |
. . . . . . 7
β’ (π¦ = π₯ β (π¦ β (πΎβπ) β π₯ β (πΎβπ))) |
172 | 170, 171 | imbi12d 345 |
. . . . . 6
β’ (π¦ = π₯ β ((π¦ β π΅ β π¦ β (πΎβπ)) β (π₯ β π΅ β π₯ β (πΎβπ)))) |
173 | | difeq1 4115 |
. . . . . . 7
β’ (π¦ = π§ β (π¦ β I ) = (π§ β I )) |
174 | 173 | dmeqd 5904 |
. . . . . 6
β’ (π¦ = π§ β dom (π¦ β I ) = dom (π§ β I )) |
175 | | difeq1 4115 |
. . . . . . 7
β’ (π¦ = π₯ β (π¦ β I ) = (π₯ β I )) |
176 | 175 | dmeqd 5904 |
. . . . . 6
β’ (π¦ = π₯ β dom (π¦ β I ) = dom (π₯ β I )) |
177 | 31, 32, 166, 169, 172, 174, 176 | indcardi 10033 |
. . . . 5
β’ (dom
(π₯ β I ) β Fin
β (π₯ β π΅ β π₯ β (πΎβπ))) |
178 | 177 | impcom 409 |
. . . 4
β’ ((π₯ β π΅ β§ dom (π₯ β I ) β Fin) β π₯ β (πΎβπ)) |
179 | 178 | 3adant1 1131 |
. . 3
β’ ((π· β π β§ π₯ β π΅ β§ dom (π₯ β I ) β Fin) β π₯ β (πΎβπ)) |
180 | 179 | rabssdv 4072 |
. 2
β’ (π· β π β {π₯ β π΅ β£ dom (π₯ β I ) β Fin} β (πΎβπ)) |
181 | 29, 180 | eqssd 3999 |
1
β’ (π· β π β (πΎβπ) = {π₯ β π΅ β£ dom (π₯ β I ) β Fin}) |