Step | Hyp | Ref
| Expression |
1 | | eqid 2733 |
. . . . 5
ā¢ āŖ š =
āŖ š |
2 | | eqid 2733 |
. . . . 5
ā¢ (š„ ā āŖ š
ā¦ āØ(š¹āš„), (šŗāš„)ā©) = (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) |
3 | 1, 2 | txcnmpt 23120 |
. . . 4
ā¢ ((š¹ ā (š Cn š
) ā§ šŗ ā (š Cn š)) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) ā (š Cn (š
Ćt š))) |
4 | | uptx.1 |
. . . . 5
ā¢ š = (š
Ćt š) |
5 | 4 | oveq2i 7417 |
. . . 4
ā¢ (š Cn š) = (š Cn (š
Ćt š)) |
6 | 3, 5 | eleqtrrdi 2845 |
. . 3
ā¢ ((š¹ ā (š Cn š
) ā§ šŗ ā (š Cn š)) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) ā (š Cn š)) |
7 | | uptx.2 |
. . . . . 6
ā¢ š = āŖ
š
|
8 | 1, 7 | cnf 22742 |
. . . . 5
ā¢ (š¹ ā (š Cn š
) ā š¹:āŖ šā¶š) |
9 | | uptx.3 |
. . . . . 6
ā¢ š = āŖ
š |
10 | 1, 9 | cnf 22742 |
. . . . 5
ā¢ (šŗ ā (š Cn š) ā šŗ:āŖ šā¶š) |
11 | | ffn 6715 |
. . . . . . . 8
ā¢ (š¹:āŖ
šā¶š ā š¹ Fn āŖ š) |
12 | 11 | adantr 482 |
. . . . . . 7
ā¢ ((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā š¹ Fn āŖ š) |
13 | | fo1st 7992 |
. . . . . . . . . 10
ā¢
1st :VāontoāV |
14 | | fofn 6805 |
. . . . . . . . . 10
ā¢
(1st :VāontoāV ā 1st Fn V) |
15 | 13, 14 | ax-mp 5 |
. . . . . . . . 9
ā¢
1st Fn V |
16 | | ssv 4006 |
. . . . . . . . 9
ā¢ (š Ć š) ā V |
17 | | fnssres 6671 |
. . . . . . . . 9
ā¢
((1st Fn V ā§ (š Ć š) ā V) ā (1st ā¾
(š Ć š)) Fn (š Ć š)) |
18 | 15, 16, 17 | mp2an 691 |
. . . . . . . 8
ā¢
(1st ā¾ (š Ć š)) Fn (š Ć š) |
19 | | ffvelcdm 7081 |
. . . . . . . . . . . 12
ā¢ ((š¹:āŖ
šā¶š ā§ š„ ā āŖ š) ā (š¹āš„) ā š) |
20 | | ffvelcdm 7081 |
. . . . . . . . . . . 12
ā¢ ((šŗ:āŖ
šā¶š ā§ š„ ā āŖ š) ā (šŗāš„) ā š) |
21 | | opelxpi 5713 |
. . . . . . . . . . . 12
ā¢ (((š¹āš„) ā š ā§ (šŗāš„) ā š) ā āØ(š¹āš„), (šŗāš„)ā© ā (š Ć š)) |
22 | 19, 20, 21 | syl2an 597 |
. . . . . . . . . . 11
ā¢ (((š¹:āŖ
šā¶š ā§ š„ ā āŖ š) ā§ (šŗ:āŖ šā¶š ā§ š„ ā āŖ š)) ā āØ(š¹āš„), (šŗāš„)ā© ā (š Ć š)) |
23 | 22 | anandirs 678 |
. . . . . . . . . 10
ā¢ (((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā§ š„ ā āŖ š) ā āØ(š¹āš„), (šŗāš„)ā© ā (š Ć š)) |
24 | 23 | fmpttd 7112 |
. . . . . . . . 9
ā¢ ((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©):āŖ šā¶(š Ć š)) |
25 | | ffn 6715 |
. . . . . . . . 9
ā¢ ((š„ ā āŖ š
ā¦ āØ(š¹āš„), (šŗāš„)ā©):āŖ šā¶(š Ć š) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) Fn āŖ
š) |
26 | 24, 25 | syl 17 |
. . . . . . . 8
ā¢ ((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) Fn āŖ
š) |
27 | 24 | frnd 6723 |
. . . . . . . 8
ā¢ ((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā ran (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) ā (š Ć š)) |
28 | | fnco 6665 |
. . . . . . . 8
ā¢
(((1st ā¾ (š Ć š)) Fn (š Ć š) ā§ (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) Fn āŖ
š ā§ ran (š„ ā āŖ š
ā¦ āØ(š¹āš„), (šŗāš„)ā©) ā (š Ć š)) ā ((1st ā¾ (š Ć š)) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)) Fn āŖ
š) |
29 | 18, 26, 27, 28 | mp3an2i 1467 |
. . . . . . 7
ā¢ ((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā ((1st ā¾ (š Ć š)) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)) Fn āŖ
š) |
30 | | fvco3 6988 |
. . . . . . . . 9
ā¢ (((š„ ā āŖ š
ā¦ āØ(š¹āš„), (šŗāš„)ā©):āŖ šā¶(š Ć š) ā§ š§ ā āŖ š) ā (((1st
ā¾ (š Ć š)) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©))āš§) = ((1st ā¾ (š Ć š))ā((š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)āš§))) |
31 | 24, 30 | sylan 581 |
. . . . . . . 8
ā¢ (((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā§ š§ ā āŖ š) ā (((1st
ā¾ (š Ć š)) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©))āš§) = ((1st ā¾ (š Ć š))ā((š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)āš§))) |
32 | | fveq2 6889 |
. . . . . . . . . . . 12
ā¢ (š„ = š§ ā (š¹āš„) = (š¹āš§)) |
33 | | fveq2 6889 |
. . . . . . . . . . . 12
ā¢ (š„ = š§ ā (šŗāš„) = (šŗāš§)) |
34 | 32, 33 | opeq12d 4881 |
. . . . . . . . . . 11
ā¢ (š„ = š§ ā āØ(š¹āš„), (šŗāš„)ā© = āØ(š¹āš§), (šŗāš§)ā©) |
35 | | opex 5464 |
. . . . . . . . . . 11
ā¢
āØ(š¹āš§), (šŗāš§)ā© ā V |
36 | 34, 2, 35 | fvmpt 6996 |
. . . . . . . . . 10
ā¢ (š§ ā āŖ š
ā ((š„ ā āŖ š
ā¦ āØ(š¹āš„), (šŗāš„)ā©)āš§) = āØ(š¹āš§), (šŗāš§)ā©) |
37 | 36 | adantl 483 |
. . . . . . . . 9
ā¢ (((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā§ š§ ā āŖ š) ā ((š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)āš§) = āØ(š¹āš§), (šŗāš§)ā©) |
38 | 37 | fveq2d 6893 |
. . . . . . . 8
ā¢ (((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā§ š§ ā āŖ š) ā ((1st
ā¾ (š Ć š))ā((š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)āš§)) = ((1st ā¾ (š Ć š))āāØ(š¹āš§), (šŗāš§)ā©)) |
39 | | ffvelcdm 7081 |
. . . . . . . . . . . 12
ā¢ ((š¹:āŖ
šā¶š ā§ š§ ā āŖ š) ā (š¹āš§) ā š) |
40 | | ffvelcdm 7081 |
. . . . . . . . . . . 12
ā¢ ((šŗ:āŖ
šā¶š ā§ š§ ā āŖ š) ā (šŗāš§) ā š) |
41 | | opelxpi 5713 |
. . . . . . . . . . . 12
ā¢ (((š¹āš§) ā š ā§ (šŗāš§) ā š) ā āØ(š¹āš§), (šŗāš§)ā© ā (š Ć š)) |
42 | 39, 40, 41 | syl2an 597 |
. . . . . . . . . . 11
ā¢ (((š¹:āŖ
šā¶š ā§ š§ ā āŖ š) ā§ (šŗ:āŖ šā¶š ā§ š§ ā āŖ š)) ā āØ(š¹āš§), (šŗāš§)ā© ā (š Ć š)) |
43 | 42 | anandirs 678 |
. . . . . . . . . 10
ā¢ (((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā§ š§ ā āŖ š) ā āØ(š¹āš§), (šŗāš§)ā© ā (š Ć š)) |
44 | 43 | fvresd 6909 |
. . . . . . . . 9
ā¢ (((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā§ š§ ā āŖ š) ā ((1st
ā¾ (š Ć š))āāØ(š¹āš§), (šŗāš§)ā©) = (1st
āāØ(š¹āš§), (šŗāš§)ā©)) |
45 | | fvex 6902 |
. . . . . . . . . 10
ā¢ (š¹āš§) ā V |
46 | | fvex 6902 |
. . . . . . . . . 10
ā¢ (šŗāš§) ā V |
47 | 45, 46 | op1st 7980 |
. . . . . . . . 9
ā¢
(1st āāØ(š¹āš§), (šŗāš§)ā©) = (š¹āš§) |
48 | 44, 47 | eqtrdi 2789 |
. . . . . . . 8
ā¢ (((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā§ š§ ā āŖ š) ā ((1st
ā¾ (š Ć š))āāØ(š¹āš§), (šŗāš§)ā©) = (š¹āš§)) |
49 | 31, 38, 48 | 3eqtrrd 2778 |
. . . . . . 7
ā¢ (((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā§ š§ ā āŖ š) ā (š¹āš§) = (((1st ā¾ (š Ć š)) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©))āš§)) |
50 | 12, 29, 49 | eqfnfvd 7033 |
. . . . . 6
ā¢ ((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā š¹ = ((1st ā¾ (š Ć š)) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©))) |
51 | | uptx.5 |
. . . . . . . 8
ā¢ š = (1st ā¾ š) |
52 | | uptx.4 |
. . . . . . . . 9
ā¢ š = (š Ć š) |
53 | 52 | reseq2i 5977 |
. . . . . . . 8
ā¢
(1st ā¾ š) = (1st ā¾ (š Ć š)) |
54 | 51, 53 | eqtri 2761 |
. . . . . . 7
ā¢ š = (1st ā¾
(š Ć š)) |
55 | 54 | coeq1i 5858 |
. . . . . 6
ā¢ (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)) = ((1st ā¾ (š Ć š)) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)) |
56 | 50, 55 | eqtr4di 2791 |
. . . . 5
ā¢ ((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā š¹ = (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©))) |
57 | 8, 10, 56 | syl2an 597 |
. . . 4
ā¢ ((š¹ ā (š Cn š
) ā§ šŗ ā (š Cn š)) ā š¹ = (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©))) |
58 | | ffn 6715 |
. . . . . . . 8
ā¢ (šŗ:āŖ
šā¶š ā šŗ Fn āŖ š) |
59 | 58 | adantl 483 |
. . . . . . 7
ā¢ ((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā šŗ Fn āŖ š) |
60 | | fo2nd 7993 |
. . . . . . . . . 10
ā¢
2nd :VāontoāV |
61 | | fofn 6805 |
. . . . . . . . . 10
ā¢
(2nd :VāontoāV ā 2nd Fn V) |
62 | 60, 61 | ax-mp 5 |
. . . . . . . . 9
ā¢
2nd Fn V |
63 | | fnssres 6671 |
. . . . . . . . 9
ā¢
((2nd Fn V ā§ (š Ć š) ā V) ā (2nd ā¾
(š Ć š)) Fn (š Ć š)) |
64 | 62, 16, 63 | mp2an 691 |
. . . . . . . 8
ā¢
(2nd ā¾ (š Ć š)) Fn (š Ć š) |
65 | | fnco 6665 |
. . . . . . . 8
ā¢
(((2nd ā¾ (š Ć š)) Fn (š Ć š) ā§ (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) Fn āŖ
š ā§ ran (š„ ā āŖ š
ā¦ āØ(š¹āš„), (šŗāš„)ā©) ā (š Ć š)) ā ((2nd ā¾ (š Ć š)) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)) Fn āŖ
š) |
66 | 64, 26, 27, 65 | mp3an2i 1467 |
. . . . . . 7
ā¢ ((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā ((2nd ā¾ (š Ć š)) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)) Fn āŖ
š) |
67 | | fvco3 6988 |
. . . . . . . . 9
ā¢ (((š„ ā āŖ š
ā¦ āØ(š¹āš„), (šŗāš„)ā©):āŖ šā¶(š Ć š) ā§ š§ ā āŖ š) ā (((2nd
ā¾ (š Ć š)) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©))āš§) = ((2nd ā¾ (š Ć š))ā((š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)āš§))) |
68 | 24, 67 | sylan 581 |
. . . . . . . 8
ā¢ (((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā§ š§ ā āŖ š) ā (((2nd
ā¾ (š Ć š)) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©))āš§) = ((2nd ā¾ (š Ć š))ā((š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)āš§))) |
69 | 37 | fveq2d 6893 |
. . . . . . . 8
ā¢ (((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā§ š§ ā āŖ š) ā ((2nd
ā¾ (š Ć š))ā((š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)āš§)) = ((2nd ā¾ (š Ć š))āāØ(š¹āš§), (šŗāš§)ā©)) |
70 | 43 | fvresd 6909 |
. . . . . . . . 9
ā¢ (((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā§ š§ ā āŖ š) ā ((2nd
ā¾ (š Ć š))āāØ(š¹āš§), (šŗāš§)ā©) = (2nd
āāØ(š¹āš§), (šŗāš§)ā©)) |
71 | 45, 46 | op2nd 7981 |
. . . . . . . . 9
ā¢
(2nd āāØ(š¹āš§), (šŗāš§)ā©) = (šŗāš§) |
72 | 70, 71 | eqtrdi 2789 |
. . . . . . . 8
ā¢ (((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā§ š§ ā āŖ š) ā ((2nd
ā¾ (š Ć š))āāØ(š¹āš§), (šŗāš§)ā©) = (šŗāš§)) |
73 | 68, 69, 72 | 3eqtrrd 2778 |
. . . . . . 7
ā¢ (((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā§ š§ ā āŖ š) ā (šŗāš§) = (((2nd ā¾ (š Ć š)) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©))āš§)) |
74 | 59, 66, 73 | eqfnfvd 7033 |
. . . . . 6
ā¢ ((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā šŗ = ((2nd ā¾ (š Ć š)) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©))) |
75 | | uptx.6 |
. . . . . . . 8
ā¢ š = (2nd ā¾ š) |
76 | 52 | reseq2i 5977 |
. . . . . . . 8
ā¢
(2nd ā¾ š) = (2nd ā¾ (š Ć š)) |
77 | 75, 76 | eqtri 2761 |
. . . . . . 7
ā¢ š = (2nd ā¾
(š Ć š)) |
78 | 77 | coeq1i 5858 |
. . . . . 6
ā¢ (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)) = ((2nd ā¾ (š Ć š)) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)) |
79 | 74, 78 | eqtr4di 2791 |
. . . . 5
ā¢ ((š¹:āŖ
šā¶š ā§ šŗ:āŖ šā¶š) ā šŗ = (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©))) |
80 | 8, 10, 79 | syl2an 597 |
. . . 4
ā¢ ((š¹ ā (š Cn š
) ā§ šŗ ā (š Cn š)) ā šŗ = (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©))) |
81 | 6, 57, 80 | jca32 517 |
. . 3
ā¢ ((š¹ ā (š Cn š
) ā§ šŗ ā (š Cn š)) ā ((š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) ā (š Cn š) ā§ (š¹ = (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)) ā§ šŗ = (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©))))) |
82 | | eleq1 2822 |
. . . . 5
ā¢ (ā = (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) ā (ā ā (š Cn š) ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) ā (š Cn š))) |
83 | | coeq2 5857 |
. . . . . . 7
ā¢ (ā = (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) ā (š ā ā) = (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©))) |
84 | 83 | eqeq2d 2744 |
. . . . . 6
ā¢ (ā = (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) ā (š¹ = (š ā ā) ā š¹ = (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)))) |
85 | | coeq2 5857 |
. . . . . . 7
ā¢ (ā = (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) ā (š ā ā) = (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©))) |
86 | 85 | eqeq2d 2744 |
. . . . . 6
ā¢ (ā = (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) ā (šŗ = (š ā ā) ā šŗ = (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)))) |
87 | 84, 86 | anbi12d 632 |
. . . . 5
ā¢ (ā = (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) ā ((š¹ = (š ā ā) ā§ šŗ = (š ā ā)) ā (š¹ = (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)) ā§ šŗ = (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©))))) |
88 | 82, 87 | anbi12d 632 |
. . . 4
ā¢ (ā = (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) ā ((ā ā (š Cn š) ā§ (š¹ = (š ā ā) ā§ šŗ = (š ā ā))) ā ((š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) ā (š Cn š) ā§ (š¹ = (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)) ā§ šŗ = (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)))))) |
89 | 88 | spcegv 3588 |
. . 3
ā¢ ((š„ ā āŖ š
ā¦ āØ(š¹āš„), (šŗāš„)ā©) ā (š Cn š) ā (((š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©) ā (š Cn š) ā§ (š¹ = (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)) ā§ šŗ = (š ā (š„ ā āŖ š ā¦ āØ(š¹āš„), (šŗāš„)ā©)))) ā āā(ā ā (š Cn š) ā§ (š¹ = (š ā ā) ā§ šŗ = (š ā ā))))) |
90 | 6, 81, 89 | sylc 65 |
. 2
ā¢ ((š¹ ā (š Cn š
) ā§ šŗ ā (š Cn š)) ā āā(ā ā (š Cn š) ā§ (š¹ = (š ā ā) ā§ šŗ = (š ā ā)))) |
91 | | eqid 2733 |
. . . . . . . 8
ā¢ āŖ š =
āŖ š |
92 | 1, 91 | cnf 22742 |
. . . . . . 7
ā¢ (ā ā (š Cn š) ā ā:āŖ šā¶āŖ š) |
93 | | cntop2 22737 |
. . . . . . . . 9
ā¢ (š¹ ā (š Cn š
) ā š
ā Top) |
94 | | cntop2 22737 |
. . . . . . . . 9
ā¢ (šŗ ā (š Cn š) ā š ā Top) |
95 | 4 | unieqi 4921 |
. . . . . . . . . 10
ā¢ āŖ š =
āŖ (š
Ćt š) |
96 | 7, 9 | txuni 23088 |
. . . . . . . . . 10
ā¢ ((š
ā Top ā§ š ā Top) ā (š Ć š) = āŖ (š
Ćt š)) |
97 | 95, 96 | eqtr4id 2792 |
. . . . . . . . 9
ā¢ ((š
ā Top ā§ š ā Top) ā āŖ š =
(š Ć š)) |
98 | 93, 94, 97 | syl2an 597 |
. . . . . . . 8
ā¢ ((š¹ ā (š Cn š
) ā§ šŗ ā (š Cn š)) ā āŖ š = (š Ć š)) |
99 | 98 | feq3d 6702 |
. . . . . . 7
ā¢ ((š¹ ā (š Cn š
) ā§ šŗ ā (š Cn š)) ā (ā:āŖ šā¶āŖ š
ā ā:āŖ šā¶(š Ć š))) |
100 | 92, 99 | imbitrid 243 |
. . . . . 6
ā¢ ((š¹ ā (š Cn š
) ā§ šŗ ā (š Cn š)) ā (ā ā (š Cn š) ā ā:āŖ šā¶(š Ć š))) |
101 | 100 | anim1d 612 |
. . . . 5
ā¢ ((š¹ ā (š Cn š
) ā§ šŗ ā (š Cn š)) ā ((ā ā (š Cn š) ā§ (š¹ = (š ā ā) ā§ šŗ = (š ā ā))) ā (ā:āŖ šā¶(š Ć š) ā§ (š¹ = (š ā ā) ā§ šŗ = (š ā ā))))) |
102 | | 3anass 1096 |
. . . . 5
ā¢ ((ā:āŖ
šā¶(š Ć š) ā§ š¹ = (š ā ā) ā§ šŗ = (š ā ā)) ā (ā:āŖ šā¶(š Ć š) ā§ (š¹ = (š ā ā) ā§ šŗ = (š ā ā)))) |
103 | 101, 102 | syl6ibr 252 |
. . . 4
ā¢ ((š¹ ā (š Cn š
) ā§ šŗ ā (š Cn š)) ā ((ā ā (š Cn š) ā§ (š¹ = (š ā ā) ā§ šŗ = (š ā ā))) ā (ā:āŖ šā¶(š Ć š) ā§ š¹ = (š ā ā) ā§ šŗ = (š ā ā)))) |
104 | 103 | alrimiv 1931 |
. . 3
ā¢ ((š¹ ā (š Cn š
) ā§ šŗ ā (š Cn š)) ā āā((ā ā (š Cn š) ā§ (š¹ = (š ā ā) ā§ šŗ = (š ā ā))) ā (ā:āŖ šā¶(š Ć š) ā§ š¹ = (š ā ā) ā§ šŗ = (š ā ā)))) |
105 | | cntop1 22736 |
. . . . . 6
ā¢ (š¹ ā (š Cn š
) ā š ā Top) |
106 | 105 | uniexd 7729 |
. . . . 5
ā¢ (š¹ ā (š Cn š
) ā āŖ š ā V) |
107 | 54, 77 | upxp 23119 |
. . . . 5
ā¢ ((āŖ š
ā V ā§ š¹:āŖ šā¶š ā§ šŗ:āŖ šā¶š) ā ā!ā(ā:āŖ šā¶(š Ć š) ā§ š¹ = (š ā ā) ā§ šŗ = (š ā ā))) |
108 | 106, 8, 10, 107 | syl2an3an 1423 |
. . . 4
ā¢ ((š¹ ā (š Cn š
) ā§ šŗ ā (š Cn š)) ā ā!ā(ā:āŖ šā¶(š Ć š) ā§ š¹ = (š ā ā) ā§ šŗ = (š ā ā))) |
109 | | eumo 2573 |
. . . 4
ā¢
(ā!ā(ā:āŖ
šā¶(š Ć š) ā§ š¹ = (š ā ā) ā§ šŗ = (š ā ā)) ā ā*ā(ā:āŖ šā¶(š Ć š) ā§ š¹ = (š ā ā) ā§ šŗ = (š ā ā))) |
110 | 108, 109 | syl 17 |
. . 3
ā¢ ((š¹ ā (š Cn š
) ā§ šŗ ā (š Cn š)) ā ā*ā(ā:āŖ šā¶(š Ć š) ā§ š¹ = (š ā ā) ā§ šŗ = (š ā ā))) |
111 | | moim 2539 |
. . 3
ā¢
(āā((ā ā (š Cn š) ā§ (š¹ = (š ā ā) ā§ šŗ = (š ā ā))) ā (ā:āŖ šā¶(š Ć š) ā§ š¹ = (š ā ā) ā§ šŗ = (š ā ā))) ā (ā*ā(ā:āŖ šā¶(š Ć š) ā§ š¹ = (š ā ā) ā§ šŗ = (š ā ā)) ā ā*ā(ā ā (š Cn š) ā§ (š¹ = (š ā ā) ā§ šŗ = (š ā ā))))) |
112 | 104, 110,
111 | sylc 65 |
. 2
ā¢ ((š¹ ā (š Cn š
) ā§ šŗ ā (š Cn š)) ā ā*ā(ā ā (š Cn š) ā§ (š¹ = (š ā ā) ā§ šŗ = (š ā ā)))) |
113 | | df-reu 3378 |
. . 3
ā¢
(ā!ā ā
(š Cn š)(š¹ = (š ā ā) ā§ šŗ = (š ā ā)) ā ā!ā(ā ā (š Cn š) ā§ (š¹ = (š ā ā) ā§ šŗ = (š ā ā)))) |
114 | | df-eu 2564 |
. . 3
ā¢
(ā!ā(ā ā (š Cn š) ā§ (š¹ = (š ā ā) ā§ šŗ = (š ā ā))) ā (āā(ā ā (š Cn š) ā§ (š¹ = (š ā ā) ā§ šŗ = (š ā ā))) ā§ ā*ā(ā ā (š Cn š) ā§ (š¹ = (š ā ā) ā§ šŗ = (š ā ā))))) |
115 | 113, 114 | bitri 275 |
. 2
ā¢
(ā!ā ā
(š Cn š)(š¹ = (š ā ā) ā§ šŗ = (š ā ā)) ā (āā(ā ā (š Cn š) ā§ (š¹ = (š ā ā) ā§ šŗ = (š ā ā))) ā§ ā*ā(ā ā (š Cn š) ā§ (š¹ = (š ā ā) ā§ šŗ = (š ā ā))))) |
116 | 90, 112, 115 | sylanbrc 584 |
1
ā¢ ((š¹ ā (š Cn š
) ā§ šŗ ā (š Cn š)) ā ā!ā ā (š Cn š)(š¹ = (š ā ā) ā§ šŗ = (š ā ā))) |