Step | Hyp | Ref
| Expression |
1 | | 1stctop 22939 |
. 2
β’ (π½ β 1stΟ
β π½ β
Top) |
2 | | difss 4131 |
. . . . . . . . . 10
β’ (βͺ π½
β π₯) β βͺ π½ |
3 | | eqid 2733 |
. . . . . . . . . . 11
β’ βͺ π½ =
βͺ π½ |
4 | 3 | 1stcelcls 22957 |
. . . . . . . . . 10
β’ ((π½ β 1stΟ
β§ (βͺ π½ β π₯) β βͺ π½) β (π¦ β ((clsβπ½)β(βͺ π½ β π₯)) β βπ(π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦))) |
5 | 2, 4 | mpan2 690 |
. . . . . . . . 9
β’ (π½ β 1stΟ
β (π¦ β
((clsβπ½)β(βͺ π½
β π₯)) β
βπ(π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦))) |
6 | 5 | adantr 482 |
. . . . . . . 8
β’ ((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β (π¦ β
((clsβπ½)β(βͺ π½
β π₯)) β
βπ(π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦))) |
7 | 1 | adantr 482 |
. . . . . . . . . . . . . 14
β’ ((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β π½ β
Top) |
8 | 7 | adantr 482 |
. . . . . . . . . . . . 13
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β π½ β Top) |
9 | | toptopon2 22412 |
. . . . . . . . . . . . 13
β’ (π½ β Top β π½ β (TopOnββͺ π½)) |
10 | 8, 9 | sylib 217 |
. . . . . . . . . . . 12
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β π½ β (TopOnββͺ π½)) |
11 | | simprr 772 |
. . . . . . . . . . . 12
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β π(βπ‘βπ½)π¦) |
12 | | lmcl 22793 |
. . . . . . . . . . . 12
β’ ((π½ β (TopOnββͺ π½)
β§ π(βπ‘βπ½)π¦) β π¦ β βͺ π½) |
13 | 10, 11, 12 | syl2anc 585 |
. . . . . . . . . . 11
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β π¦ β βͺ π½) |
14 | | nnuz 12862 |
. . . . . . . . . . . . 13
β’ β =
(β€β₯β1) |
15 | | vex 3479 |
. . . . . . . . . . . . . . . . 17
β’ π β V |
16 | 15 | rnex 7900 |
. . . . . . . . . . . . . . . 16
β’ ran π β V |
17 | | vsnex 5429 |
. . . . . . . . . . . . . . . 16
β’ {π¦} β V |
18 | 16, 17 | unex 7730 |
. . . . . . . . . . . . . . 15
β’ (ran
π βͺ {π¦}) β V |
19 | | resttop 22656 |
. . . . . . . . . . . . . . 15
β’ ((π½ β Top β§ (ran π βͺ {π¦}) β V) β (π½ βΎt (ran π βͺ {π¦})) β Top) |
20 | 8, 18, 19 | sylancl 587 |
. . . . . . . . . . . . . 14
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β (π½ βΎt (ran π βͺ {π¦})) β Top) |
21 | | toptopon2 22412 |
. . . . . . . . . . . . . 14
β’ ((π½ βΎt (ran π βͺ {π¦})) β Top β (π½ βΎt (ran π βͺ {π¦})) β (TopOnββͺ (π½
βΎt (ran π
βͺ {π¦})))) |
22 | 20, 21 | sylib 217 |
. . . . . . . . . . . . 13
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β (π½ βΎt (ran π βͺ {π¦})) β (TopOnββͺ (π½
βΎt (ran π
βͺ {π¦})))) |
23 | | 1zzd 12590 |
. . . . . . . . . . . . 13
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β 1 β β€) |
24 | | eqid 2733 |
. . . . . . . . . . . . . . 15
β’ (π½ βΎt (ran π βͺ {π¦})) = (π½ βΎt (ran π βͺ {π¦})) |
25 | 18 | a1i 11 |
. . . . . . . . . . . . . . 15
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β (ran π βͺ {π¦}) β V) |
26 | | ssun2 4173 |
. . . . . . . . . . . . . . . . 17
β’ {π¦} β (ran π βͺ {π¦}) |
27 | | vex 3479 |
. . . . . . . . . . . . . . . . . 18
β’ π¦ β V |
28 | 27 | snss 4789 |
. . . . . . . . . . . . . . . . 17
β’ (π¦ β (ran π βͺ {π¦}) β {π¦} β (ran π βͺ {π¦})) |
29 | 26, 28 | mpbir 230 |
. . . . . . . . . . . . . . . 16
β’ π¦ β (ran π βͺ {π¦}) |
30 | 29 | a1i 11 |
. . . . . . . . . . . . . . 15
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β π¦ β (ran π βͺ {π¦})) |
31 | | ffn 6715 |
. . . . . . . . . . . . . . . . . 18
β’ (π:ββΆ(βͺ π½
β π₯) β π Fn β) |
32 | 31 | ad2antrl 727 |
. . . . . . . . . . . . . . . . 17
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β π Fn β) |
33 | | dffn3 6728 |
. . . . . . . . . . . . . . . . 17
β’ (π Fn β β π:ββΆran π) |
34 | 32, 33 | sylib 217 |
. . . . . . . . . . . . . . . 16
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β π:ββΆran π) |
35 | | ssun1 4172 |
. . . . . . . . . . . . . . . 16
β’ ran π β (ran π βͺ {π¦}) |
36 | | fss 6732 |
. . . . . . . . . . . . . . . 16
β’ ((π:ββΆran π β§ ran π β (ran π βͺ {π¦})) β π:ββΆ(ran π βͺ {π¦})) |
37 | 34, 35, 36 | sylancl 587 |
. . . . . . . . . . . . . . 15
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β π:ββΆ(ran π βͺ {π¦})) |
38 | 24, 14, 25, 8, 30, 23, 37 | lmss 22794 |
. . . . . . . . . . . . . 14
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β (π(βπ‘βπ½)π¦ β π(βπ‘β(π½ βΎt (ran π βͺ {π¦})))π¦)) |
39 | 11, 38 | mpbid 231 |
. . . . . . . . . . . . 13
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β π(βπ‘β(π½ βΎt (ran π βͺ {π¦})))π¦) |
40 | 37 | ffvelcdmda 7084 |
. . . . . . . . . . . . . 14
β’ ((((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β§ π β β) β (πβπ) β (ran π βͺ {π¦})) |
41 | | simprl 770 |
. . . . . . . . . . . . . . . 16
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β π:ββΆ(βͺ
π½ β π₯)) |
42 | 41 | ffvelcdmda 7084 |
. . . . . . . . . . . . . . 15
β’ ((((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β§ π β β) β (πβπ) β (βͺ π½ β π₯)) |
43 | 42 | eldifbd 3961 |
. . . . . . . . . . . . . 14
β’ ((((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β§ π β β) β Β¬ (πβπ) β π₯) |
44 | 40, 43 | eldifd 3959 |
. . . . . . . . . . . . 13
β’ ((((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β§ π β β) β (πβπ) β ((ran π βͺ {π¦}) β π₯)) |
45 | | difin 4261 |
. . . . . . . . . . . . . . 15
β’ ((ran
π βͺ {π¦}) β ((ran π βͺ {π¦}) β© π₯)) = ((ran π βͺ {π¦}) β π₯) |
46 | | frn 6722 |
. . . . . . . . . . . . . . . . . . . 20
β’ (π:ββΆ(βͺ π½
β π₯) β ran π β (βͺ π½
β π₯)) |
47 | 46 | ad2antrl 727 |
. . . . . . . . . . . . . . . . . . 19
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β ran π β (βͺ π½ β π₯)) |
48 | 47 | difss2d 4134 |
. . . . . . . . . . . . . . . . . 18
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β ran π β βͺ π½) |
49 | 13 | snssd 4812 |
. . . . . . . . . . . . . . . . . 18
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β {π¦} β βͺ π½) |
50 | 48, 49 | unssd 4186 |
. . . . . . . . . . . . . . . . 17
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β (ran π βͺ {π¦}) β βͺ π½) |
51 | 3 | restuni 22658 |
. . . . . . . . . . . . . . . . 17
β’ ((π½ β Top β§ (ran π βͺ {π¦}) β βͺ π½) β (ran π βͺ {π¦}) = βͺ (π½ βΎt (ran π βͺ {π¦}))) |
52 | 8, 50, 51 | syl2anc 585 |
. . . . . . . . . . . . . . . 16
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β (ran π βͺ {π¦}) = βͺ (π½ βΎt (ran π βͺ {π¦}))) |
53 | 52 | difeq1d 4121 |
. . . . . . . . . . . . . . 15
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β ((ran π βͺ {π¦}) β ((ran π βͺ {π¦}) β© π₯)) = (βͺ (π½ βΎt (ran π βͺ {π¦})) β ((ran π βͺ {π¦}) β© π₯))) |
54 | 45, 53 | eqtr3id 2787 |
. . . . . . . . . . . . . 14
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β ((ran π βͺ {π¦}) β π₯) = (βͺ (π½ βΎt (ran π βͺ {π¦})) β ((ran π βͺ {π¦}) β© π₯))) |
55 | | incom 4201 |
. . . . . . . . . . . . . . . 16
β’ ((ran
π βͺ {π¦}) β© π₯) = (π₯ β© (ran π βͺ {π¦})) |
56 | | simplr 768 |
. . . . . . . . . . . . . . . . 17
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β π₯ β (πGenβπ½)) |
57 | | fss 6732 |
. . . . . . . . . . . . . . . . . . 19
β’ ((π:ββΆ(βͺ π½
β π₯) β§ (βͺ π½
β π₯) β βͺ π½)
β π:ββΆβͺ
π½) |
58 | 41, 2, 57 | sylancl 587 |
. . . . . . . . . . . . . . . . . 18
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β π:ββΆβͺ
π½) |
59 | 10, 58, 11 | 1stckgenlem 23049 |
. . . . . . . . . . . . . . . . 17
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β (π½ βΎt (ran π βͺ {π¦})) β Comp) |
60 | | kgeni 23033 |
. . . . . . . . . . . . . . . . 17
β’ ((π₯ β
(πGenβπ½)
β§ (π½
βΎt (ran π
βͺ {π¦})) β Comp)
β (π₯ β© (ran π βͺ {π¦})) β (π½ βΎt (ran π βͺ {π¦}))) |
61 | 56, 59, 60 | syl2anc 585 |
. . . . . . . . . . . . . . . 16
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β (π₯ β© (ran π βͺ {π¦})) β (π½ βΎt (ran π βͺ {π¦}))) |
62 | 55, 61 | eqeltrid 2838 |
. . . . . . . . . . . . . . 15
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β ((ran π βͺ {π¦}) β© π₯) β (π½ βΎt (ran π βͺ {π¦}))) |
63 | | eqid 2733 |
. . . . . . . . . . . . . . . 16
β’ βͺ (π½
βΎt (ran π
βͺ {π¦})) = βͺ (π½
βΎt (ran π
βͺ {π¦})) |
64 | 63 | opncld 22529 |
. . . . . . . . . . . . . . 15
β’ (((π½ βΎt (ran π βͺ {π¦})) β Top β§ ((ran π βͺ {π¦}) β© π₯) β (π½ βΎt (ran π βͺ {π¦}))) β (βͺ
(π½ βΎt (ran
π βͺ {π¦})) β ((ran π βͺ {π¦}) β© π₯)) β (Clsdβ(π½ βΎt (ran π βͺ {π¦})))) |
65 | 20, 62, 64 | syl2anc 585 |
. . . . . . . . . . . . . 14
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β (βͺ
(π½ βΎt (ran
π βͺ {π¦})) β ((ran π βͺ {π¦}) β© π₯)) β (Clsdβ(π½ βΎt (ran π βͺ {π¦})))) |
66 | 54, 65 | eqeltrd 2834 |
. . . . . . . . . . . . 13
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β ((ran π βͺ {π¦}) β π₯) β (Clsdβ(π½ βΎt (ran π βͺ {π¦})))) |
67 | 14, 22, 23, 39, 44, 66 | lmcld 22799 |
. . . . . . . . . . . 12
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β π¦ β ((ran π βͺ {π¦}) β π₯)) |
68 | 67 | eldifbd 3961 |
. . . . . . . . . . 11
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β Β¬ π¦ β π₯) |
69 | 13, 68 | eldifd 3959 |
. . . . . . . . . 10
β’ (((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β§ (π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦)) β π¦ β (βͺ π½ β π₯)) |
70 | 69 | ex 414 |
. . . . . . . . 9
β’ ((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β ((π:ββΆ(βͺ
π½ β π₯) β§ π(βπ‘βπ½)π¦) β π¦ β (βͺ π½ β π₯))) |
71 | 70 | exlimdv 1937 |
. . . . . . . 8
β’ ((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β (βπ(π:ββΆ(βͺ π½
β π₯) β§ π(βπ‘βπ½)π¦) β π¦ β (βͺ π½ β π₯))) |
72 | 6, 71 | sylbid 239 |
. . . . . . 7
β’ ((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β (π¦ β
((clsβπ½)β(βͺ π½
β π₯)) β π¦ β (βͺ π½
β π₯))) |
73 | 72 | ssrdv 3988 |
. . . . . 6
β’ ((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β ((clsβπ½)β(βͺ π½ β π₯)) β (βͺ
π½ β π₯)) |
74 | 3 | iscld4 22561 |
. . . . . . 7
β’ ((π½ β Top β§ (βͺ π½
β π₯) β βͺ π½)
β ((βͺ π½ β π₯) β (Clsdβπ½) β ((clsβπ½)β(βͺ π½ β π₯)) β (βͺ
π½ β π₯))) |
75 | 7, 2, 74 | sylancl 587 |
. . . . . 6
β’ ((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β ((βͺ π½ β π₯) β (Clsdβπ½) β ((clsβπ½)β(βͺ π½ β π₯)) β (βͺ
π½ β π₯))) |
76 | 73, 75 | mpbird 257 |
. . . . 5
β’ ((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β (βͺ π½ β π₯) β (Clsdβπ½)) |
77 | | elssuni 4941 |
. . . . . . . 8
β’ (π₯ β
(πGenβπ½)
β π₯ β βͺ (πGenβπ½)) |
78 | 77 | adantl 483 |
. . . . . . 7
β’ ((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β π₯ β βͺ (πGenβπ½)) |
79 | 3 | kgenuni 23035 |
. . . . . . . 8
β’ (π½ β Top β βͺ π½ =
βͺ (πGenβπ½)) |
80 | 7, 79 | syl 17 |
. . . . . . 7
β’ ((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β βͺ π½ = βͺ
(πGenβπ½)) |
81 | 78, 80 | sseqtrrd 4023 |
. . . . . 6
β’ ((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β π₯ β βͺ π½) |
82 | 3 | isopn2 22528 |
. . . . . 6
β’ ((π½ β Top β§ π₯ β βͺ π½)
β (π₯ β π½ β (βͺ π½
β π₯) β
(Clsdβπ½))) |
83 | 7, 81, 82 | syl2anc 585 |
. . . . 5
β’ ((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β (π₯ β π½ β (βͺ π½
β π₯) β
(Clsdβπ½))) |
84 | 76, 83 | mpbird 257 |
. . . 4
β’ ((π½ β 1stΟ
β§ π₯ β
(πGenβπ½))
β π₯ β π½) |
85 | 84 | ex 414 |
. . 3
β’ (π½ β 1stΟ
β (π₯ β
(πGenβπ½)
β π₯ β π½)) |
86 | 85 | ssrdv 3988 |
. 2
β’ (π½ β 1stΟ
β (πGenβπ½) β π½) |
87 | | iskgen2 23044 |
. 2
β’ (π½ β ran πGen β
(π½ β Top β§
(πGenβπ½)
β π½)) |
88 | 1, 86, 87 | sylanbrc 584 |
1
β’ (π½ β 1stΟ
β π½ β ran
πGen) |