Step | Hyp | Ref
| Expression |
1 | | satefv 34394 |
. 2
β’ ((π β π β§ π β (Fmlaββ
)) β (π Satβ π) = (((π Sat ( E β© (π Γ π)))βΟ)βπ)) |
2 | | incom 4201 |
. . . . . . . . 9
β’ ( E β©
(π Γ π)) = ((π Γ π) β© E ) |
3 | | sqxpexg 7739 |
. . . . . . . . . 10
β’ (π β π β (π Γ π) β V) |
4 | | inex1g 5319 |
. . . . . . . . . 10
β’ ((π Γ π) β V β ((π Γ π) β© E ) β V) |
5 | 3, 4 | syl 17 |
. . . . . . . . 9
β’ (π β π β ((π Γ π) β© E ) β V) |
6 | 2, 5 | eqeltrid 2838 |
. . . . . . . 8
β’ (π β π β ( E β© (π Γ π)) β V) |
7 | 6 | ancli 550 |
. . . . . . 7
β’ (π β π β (π β π β§ ( E β© (π Γ π)) β V)) |
8 | 7 | adantr 482 |
. . . . . 6
β’ ((π β π β§ π β (Fmlaββ
)) β (π β π β§ ( E β© (π Γ π)) β V)) |
9 | | satom 34336 |
. . . . . 6
β’ ((π β π β§ ( E β© (π Γ π)) β V) β ((π Sat ( E β© (π Γ π)))βΟ) = βͺ π β Ο ((π Sat ( E β© (π Γ π)))βπ)) |
10 | 8, 9 | syl 17 |
. . . . 5
β’ ((π β π β§ π β (Fmlaββ
)) β ((π Sat ( E β© (π Γ π)))βΟ) = βͺ π β Ο ((π Sat ( E β© (π Γ π)))βπ)) |
11 | 10 | fveq1d 6891 |
. . . 4
β’ ((π β π β§ π β (Fmlaββ
)) β
(((π Sat ( E β© (π Γ π)))βΟ)βπ) = (βͺ
π β Ο ((π Sat ( E β© (π Γ π)))βπ)βπ)) |
12 | | satfun 34391 |
. . . . . . . 8
β’ ((π β π β§ ( E β© (π Γ π)) β V) β ((π Sat ( E β© (π Γ π)))βΟ):(FmlaβΟ)βΆπ«
(π βm
Ο)) |
13 | 8, 12 | syl 17 |
. . . . . . 7
β’ ((π β π β§ π β (Fmlaββ
)) β ((π Sat ( E β© (π Γ π)))βΟ):(FmlaβΟ)βΆπ«
(π βm
Ο)) |
14 | 13 | ffund 6719 |
. . . . . 6
β’ ((π β π β§ π β (Fmlaββ
)) β Fun
((π Sat ( E β© (π Γ π)))βΟ)) |
15 | 10 | eqcomd 2739 |
. . . . . . 7
β’ ((π β π β§ π β (Fmlaββ
)) β
βͺ π β Ο ((π Sat ( E β© (π Γ π)))βπ) = ((π Sat ( E β© (π Γ π)))βΟ)) |
16 | 15 | funeqd 6568 |
. . . . . 6
β’ ((π β π β§ π β (Fmlaββ
)) β (Fun
βͺ π β Ο ((π Sat ( E β© (π Γ π)))βπ) β Fun ((π Sat ( E β© (π Γ π)))βΟ))) |
17 | 14, 16 | mpbird 257 |
. . . . 5
β’ ((π β π β§ π β (Fmlaββ
)) β Fun
βͺ π β Ο ((π Sat ( E β© (π Γ π)))βπ)) |
18 | | peano1 7876 |
. . . . . 6
β’ β
β Ο |
19 | 18 | a1i 11 |
. . . . 5
β’ ((π β π β§ π β (Fmlaββ
)) β β
β Ο) |
20 | 18 | a1i 11 |
. . . . . . . . 9
β’ (π β π β β
β
Ο) |
21 | | satfdmfmla 34380 |
. . . . . . . . 9
β’ ((π β π β§ ( E β© (π Γ π)) β V β§ β
β Ο)
β dom ((π Sat ( E
β© (π Γ π)))ββ
) =
(Fmlaββ
)) |
22 | 6, 20, 21 | mpd3an23 1464 |
. . . . . . . 8
β’ (π β π β dom ((π Sat ( E β© (π Γ π)))ββ
) =
(Fmlaββ
)) |
23 | 22 | eqcomd 2739 |
. . . . . . 7
β’ (π β π β (Fmlaββ
) = dom ((π Sat ( E β© (π Γ π)))ββ
)) |
24 | 23 | eleq2d 2820 |
. . . . . 6
β’ (π β π β (π β (Fmlaββ
) β π β dom ((π Sat ( E β© (π Γ π)))ββ
))) |
25 | 24 | biimpa 478 |
. . . . 5
β’ ((π β π β§ π β (Fmlaββ
)) β π β dom ((π Sat ( E β© (π Γ π)))ββ
)) |
26 | | eqid 2733 |
. . . . . 6
β’ βͺ π β Ο ((π Sat ( E β© (π Γ π)))βπ) = βͺ π β Ο ((π Sat ( E β© (π Γ π)))βπ) |
27 | 26 | fviunfun 7928 |
. . . . 5
β’ ((Fun
βͺ π β Ο ((π Sat ( E β© (π Γ π)))βπ) β§ β
β Ο β§ π β dom ((π Sat ( E β© (π Γ π)))ββ
)) β (βͺ π β Ο ((π Sat ( E β© (π Γ π)))βπ)βπ) = (((π Sat ( E β© (π Γ π)))ββ
)βπ)) |
28 | 17, 19, 25, 27 | syl3anc 1372 |
. . . 4
β’ ((π β π β§ π β (Fmlaββ
)) β
(βͺ π β Ο ((π Sat ( E β© (π Γ π)))βπ)βπ) = (((π Sat ( E β© (π Γ π)))ββ
)βπ)) |
29 | 11, 28 | eqtrd 2773 |
. . 3
β’ ((π β π β§ π β (Fmlaββ
)) β
(((π Sat ( E β© (π Γ π)))βΟ)βπ) = (((π Sat ( E β© (π Γ π)))ββ
)βπ)) |
30 | | simpl 484 |
. . . . 5
β’ ((π β π β§ π β (Fmlaββ
)) β π β π) |
31 | 6 | adantr 482 |
. . . . 5
β’ ((π β π β§ π β (Fmlaββ
)) β ( E
β© (π Γ π)) β V) |
32 | | simpr 486 |
. . . . 5
β’ ((π β π β§ π β (Fmlaββ
)) β π β
(Fmlaββ
)) |
33 | | eqid 2733 |
. . . . . 6
β’ (π Sat ( E β© (π Γ π))) = (π Sat ( E β© (π Γ π))) |
34 | 33 | satfv0fvfmla0 34393 |
. . . . 5
β’ ((π β π β§ ( E β© (π Γ π)) β V β§ π β (Fmlaββ
)) β
(((π Sat ( E β© (π Γ π)))ββ
)βπ) = {π β (π βm Ο) β£ (πβ(1st
β(2nd βπ)))( E β© (π Γ π))(πβ(2nd β(2nd
βπ)))}) |
35 | 30, 31, 32, 34 | syl3anc 1372 |
. . . 4
β’ ((π β π β§ π β (Fmlaββ
)) β
(((π Sat ( E β© (π Γ π)))ββ
)βπ) = {π β (π βm Ο) β£ (πβ(1st
β(2nd βπ)))( E β© (π Γ π))(πβ(2nd β(2nd
βπ)))}) |
36 | | elmapi 8840 |
. . . . . . . . 9
β’ (π β (π βm Ο) β π:ΟβΆπ) |
37 | | simpl 484 |
. . . . . . . . . . . 12
β’ ((π:ΟβΆπ β§ (π β π β§ π β (Fmlaββ
))) β π:ΟβΆπ) |
38 | | fmla0xp 34363 |
. . . . . . . . . . . . . . . 16
β’
(Fmlaββ
) = ({β
} Γ (Ο Γ
Ο)) |
39 | 38 | eleq2i 2826 |
. . . . . . . . . . . . . . 15
β’ (π β (Fmlaββ
)
β π β ({β
}
Γ (Ο Γ Ο))) |
40 | | elxp 5699 |
. . . . . . . . . . . . . . 15
β’ (π β ({β
} Γ
(Ο Γ Ο)) β βπ₯βπ¦(π = β¨π₯, π¦β© β§ (π₯ β {β
} β§ π¦ β (Ο Γ
Ο)))) |
41 | 39, 40 | bitri 275 |
. . . . . . . . . . . . . 14
β’ (π β (Fmlaββ
)
β βπ₯βπ¦(π = β¨π₯, π¦β© β§ (π₯ β {β
} β§ π¦ β (Ο Γ
Ο)))) |
42 | | xp1st 8004 |
. . . . . . . . . . . . . . . . 17
β’ (π¦ β (Ο Γ
Ο) β (1st βπ¦) β Ο) |
43 | 42 | ad2antll 728 |
. . . . . . . . . . . . . . . 16
β’ ((π = β¨π₯, π¦β© β§ (π₯ β {β
} β§ π¦ β (Ο Γ Ο))) β
(1st βπ¦)
β Ο) |
44 | | vex 3479 |
. . . . . . . . . . . . . . . . . . . 20
β’ π₯ β V |
45 | | vex 3479 |
. . . . . . . . . . . . . . . . . . . 20
β’ π¦ β V |
46 | 44, 45 | op2ndd 7983 |
. . . . . . . . . . . . . . . . . . 19
β’ (π = β¨π₯, π¦β© β (2nd βπ) = π¦) |
47 | 46 | fveq2d 6893 |
. . . . . . . . . . . . . . . . . 18
β’ (π = β¨π₯, π¦β© β (1st
β(2nd βπ)) = (1st βπ¦)) |
48 | 47 | eleq1d 2819 |
. . . . . . . . . . . . . . . . 17
β’ (π = β¨π₯, π¦β© β ((1st
β(2nd βπ)) β Ο β (1st
βπ¦) β
Ο)) |
49 | 48 | adantr 482 |
. . . . . . . . . . . . . . . 16
β’ ((π = β¨π₯, π¦β© β§ (π₯ β {β
} β§ π¦ β (Ο Γ Ο))) β
((1st β(2nd βπ)) β Ο β (1st
βπ¦) β
Ο)) |
50 | 43, 49 | mpbird 257 |
. . . . . . . . . . . . . . 15
β’ ((π = β¨π₯, π¦β© β§ (π₯ β {β
} β§ π¦ β (Ο Γ Ο))) β
(1st β(2nd βπ)) β Ο) |
51 | 50 | exlimivv 1936 |
. . . . . . . . . . . . . 14
β’
(βπ₯βπ¦(π = β¨π₯, π¦β© β§ (π₯ β {β
} β§ π¦ β (Ο Γ Ο))) β
(1st β(2nd βπ)) β Ο) |
52 | 41, 51 | sylbi 216 |
. . . . . . . . . . . . 13
β’ (π β (Fmlaββ
)
β (1st β(2nd βπ)) β Ο) |
53 | 52 | ad2antll 728 |
. . . . . . . . . . . 12
β’ ((π:ΟβΆπ β§ (π β π β§ π β (Fmlaββ
))) β
(1st β(2nd βπ)) β Ο) |
54 | 37, 53 | ffvelcdmd 7085 |
. . . . . . . . . . 11
β’ ((π:ΟβΆπ β§ (π β π β§ π β (Fmlaββ
))) β (πβ(1st
β(2nd βπ))) β π) |
55 | | xp2nd 8005 |
. . . . . . . . . . . . . . . . 17
β’ (π¦ β (Ο Γ
Ο) β (2nd βπ¦) β Ο) |
56 | 55 | ad2antll 728 |
. . . . . . . . . . . . . . . 16
β’ ((π = β¨π₯, π¦β© β§ (π₯ β {β
} β§ π¦ β (Ο Γ Ο))) β
(2nd βπ¦)
β Ο) |
57 | 46 | fveq2d 6893 |
. . . . . . . . . . . . . . . . . 18
β’ (π = β¨π₯, π¦β© β (2nd
β(2nd βπ)) = (2nd βπ¦)) |
58 | 57 | eleq1d 2819 |
. . . . . . . . . . . . . . . . 17
β’ (π = β¨π₯, π¦β© β ((2nd
β(2nd βπ)) β Ο β (2nd
βπ¦) β
Ο)) |
59 | 58 | adantr 482 |
. . . . . . . . . . . . . . . 16
β’ ((π = β¨π₯, π¦β© β§ (π₯ β {β
} β§ π¦ β (Ο Γ Ο))) β
((2nd β(2nd βπ)) β Ο β (2nd
βπ¦) β
Ο)) |
60 | 56, 59 | mpbird 257 |
. . . . . . . . . . . . . . 15
β’ ((π = β¨π₯, π¦β© β§ (π₯ β {β
} β§ π¦ β (Ο Γ Ο))) β
(2nd β(2nd βπ)) β Ο) |
61 | 60 | exlimivv 1936 |
. . . . . . . . . . . . . 14
β’
(βπ₯βπ¦(π = β¨π₯, π¦β© β§ (π₯ β {β
} β§ π¦ β (Ο Γ Ο))) β
(2nd β(2nd βπ)) β Ο) |
62 | 41, 61 | sylbi 216 |
. . . . . . . . . . . . 13
β’ (π β (Fmlaββ
)
β (2nd β(2nd βπ)) β Ο) |
63 | 62 | ad2antll 728 |
. . . . . . . . . . . 12
β’ ((π:ΟβΆπ β§ (π β π β§ π β (Fmlaββ
))) β
(2nd β(2nd βπ)) β Ο) |
64 | 37, 63 | ffvelcdmd 7085 |
. . . . . . . . . . 11
β’ ((π:ΟβΆπ β§ (π β π β§ π β (Fmlaββ
))) β (πβ(2nd
β(2nd βπ))) β π) |
65 | 54, 64 | jca 513 |
. . . . . . . . . 10
β’ ((π:ΟβΆπ β§ (π β π β§ π β (Fmlaββ
))) β
((πβ(1st
β(2nd βπ))) β π β§ (πβ(2nd β(2nd
βπ))) β π)) |
66 | 65 | ex 414 |
. . . . . . . . 9
β’ (π:ΟβΆπ β ((π β π β§ π β (Fmlaββ
)) β ((πβ(1st
β(2nd βπ))) β π β§ (πβ(2nd β(2nd
βπ))) β π))) |
67 | 36, 66 | syl 17 |
. . . . . . . 8
β’ (π β (π βm Ο) β ((π β π β§ π β (Fmlaββ
)) β ((πβ(1st
β(2nd βπ))) β π β§ (πβ(2nd β(2nd
βπ))) β π))) |
68 | 67 | impcom 409 |
. . . . . . 7
β’ (((π β π β§ π β (Fmlaββ
)) β§ π β (π βm Ο)) β ((πβ(1st
β(2nd βπ))) β π β§ (πβ(2nd β(2nd
βπ))) β π)) |
69 | | brinxp 5753 |
. . . . . . . 8
β’ (((πβ(1st
β(2nd βπ))) β π β§ (πβ(2nd β(2nd
βπ))) β π) β ((πβ(1st β(2nd
βπ))) E (πβ(2nd
β(2nd βπ))) β (πβ(1st β(2nd
βπ)))( E β© (π Γ π))(πβ(2nd β(2nd
βπ))))) |
70 | 69 | bicomd 222 |
. . . . . . 7
β’ (((πβ(1st
β(2nd βπ))) β π β§ (πβ(2nd β(2nd
βπ))) β π) β ((πβ(1st β(2nd
βπ)))( E β© (π Γ π))(πβ(2nd β(2nd
βπ))) β (πβ(1st
β(2nd βπ))) E (πβ(2nd β(2nd
βπ))))) |
71 | 68, 70 | syl 17 |
. . . . . 6
β’ (((π β π β§ π β (Fmlaββ
)) β§ π β (π βm Ο)) β ((πβ(1st
β(2nd βπ)))( E β© (π Γ π))(πβ(2nd β(2nd
βπ))) β (πβ(1st
β(2nd βπ))) E (πβ(2nd β(2nd
βπ))))) |
72 | | fvex 6902 |
. . . . . . 7
β’ (πβ(2nd
β(2nd βπ))) β V |
73 | 72 | epeli 5582 |
. . . . . 6
β’ ((πβ(1st
β(2nd βπ))) E (πβ(2nd β(2nd
βπ))) β (πβ(1st
β(2nd βπ))) β (πβ(2nd β(2nd
βπ)))) |
74 | 71, 73 | bitrdi 287 |
. . . . 5
β’ (((π β π β§ π β (Fmlaββ
)) β§ π β (π βm Ο)) β ((πβ(1st
β(2nd βπ)))( E β© (π Γ π))(πβ(2nd β(2nd
βπ))) β (πβ(1st
β(2nd βπ))) β (πβ(2nd β(2nd
βπ))))) |
75 | 74 | rabbidva 3440 |
. . . 4
β’ ((π β π β§ π β (Fmlaββ
)) β {π β (π βm Ο) β£ (πβ(1st
β(2nd βπ)))( E β© (π Γ π))(πβ(2nd β(2nd
βπ)))} = {π β (π βm Ο) β£ (πβ(1st
β(2nd βπ))) β (πβ(2nd β(2nd
βπ)))}) |
76 | 35, 75 | eqtrd 2773 |
. . 3
β’ ((π β π β§ π β (Fmlaββ
)) β
(((π Sat ( E β© (π Γ π)))ββ
)βπ) = {π β (π βm Ο) β£ (πβ(1st
β(2nd βπ))) β (πβ(2nd β(2nd
βπ)))}) |
77 | 29, 76 | eqtrd 2773 |
. 2
β’ ((π β π β§ π β (Fmlaββ
)) β
(((π Sat ( E β© (π Γ π)))βΟ)βπ) = {π β (π βm Ο) β£ (πβ(1st
β(2nd βπ))) β (πβ(2nd β(2nd
βπ)))}) |
78 | 1, 77 | eqtrd 2773 |
1
β’ ((π β π β§ π β (Fmlaββ
)) β (π Satβ π) = {π β (π βm Ο) β£ (πβ(1st
β(2nd βπ))) β (πβ(2nd β(2nd
βπ)))}) |