Step | Hyp | Ref
| Expression |
1 | | peano2re 11384 |
. . . . . . . . . . . . 13
β’ (π β β β (π + 1) β
β) |
2 | | ltp1 12051 |
. . . . . . . . . . . . 13
β’ (π β β β π < (π + 1)) |
3 | | breq2 5152 |
. . . . . . . . . . . . . 14
β’ (π§ = (π + 1) β (π < π§ β π < (π + 1))) |
4 | 3 | rspcev 3613 |
. . . . . . . . . . . . 13
β’ (((π + 1) β β β§ π < (π + 1)) β βπ§ β β π < π§) |
5 | 1, 2, 4 | syl2anc 585 |
. . . . . . . . . . . 12
β’ (π β β β
βπ§ β β
π < π§) |
6 | 5 | rgen 3064 |
. . . . . . . . . . 11
β’
βπ β
β βπ§ β
β π < π§ |
7 | | ltnle 11290 |
. . . . . . . . . . . . . . 15
β’ ((π β β β§ π§ β β) β (π < π§ β Β¬ π§ β€ π)) |
8 | 7 | rexbidva 3177 |
. . . . . . . . . . . . . 14
β’ (π β β β
(βπ§ β β
π < π§ β βπ§ β β Β¬ π§ β€ π)) |
9 | | rexnal 3101 |
. . . . . . . . . . . . . 14
β’
(βπ§ β
β Β¬ π§ β€ π β Β¬ βπ§ β β π§ β€ π) |
10 | 8, 9 | bitrdi 287 |
. . . . . . . . . . . . 13
β’ (π β β β
(βπ§ β β
π < π§ β Β¬ βπ§ β β π§ β€ π)) |
11 | 10 | ralbiia 3092 |
. . . . . . . . . . . 12
β’
(βπ β
β βπ§ β
β π < π§ β βπ β β Β¬
βπ§ β β
π§ β€ π) |
12 | | ralnex 3073 |
. . . . . . . . . . . 12
β’
(βπ β
β Β¬ βπ§
β β π§ β€ π β Β¬ βπ β β βπ§ β β π§ β€ π) |
13 | 11, 12 | bitri 275 |
. . . . . . . . . . 11
β’
(βπ β
β βπ§ β
β π < π§ β Β¬ βπ β β βπ§ β β π§ β€ π) |
14 | 6, 13 | mpbi 229 |
. . . . . . . . . 10
β’ Β¬
βπ β β
βπ§ β β
π§ β€ π |
15 | | raleq 3323 |
. . . . . . . . . . 11
β’ (π΄ = β β (βπ§ β π΄ π§ β€ π β βπ§ β β π§ β€ π)) |
16 | 15 | rexbidv 3179 |
. . . . . . . . . 10
β’ (π΄ = β β (βπ β β βπ§ β π΄ π§ β€ π β βπ β β βπ§ β β π§ β€ π)) |
17 | 14, 16 | mtbiri 327 |
. . . . . . . . 9
β’ (π΄ = β β Β¬
βπ β β
βπ§ β π΄ π§ β€ π) |
18 | | ssrab2 4077 |
. . . . . . . . . . . . . 14
β’ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} |
19 | | ssrab2 4077 |
. . . . . . . . . . . . . . 15
β’ {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) |
20 | | zre 12559 |
. . . . . . . . . . . . . . . . . . 19
β’ (π₯ β β€ β π₯ β
β) |
21 | | 2re 12283 |
. . . . . . . . . . . . . . . . . . . . 21
β’ 2 β
β |
22 | | reexpcl 14041 |
. . . . . . . . . . . . . . . . . . . . 21
β’ ((2
β β β§ π¦
β β0) β (2βπ¦) β β) |
23 | 21, 22 | mpan 689 |
. . . . . . . . . . . . . . . . . . . 20
β’ (π¦ β β0
β (2βπ¦) β
β) |
24 | | nn0z 12580 |
. . . . . . . . . . . . . . . . . . . . 21
β’ (π¦ β β0
β π¦ β
β€) |
25 | | 2cn 12284 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ 2 β
β |
26 | | 2ne0 12313 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ 2 β
0 |
27 | | expne0i 14057 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ ((2
β β β§ 2 β 0 β§ π¦ β β€) β (2βπ¦) β 0) |
28 | 25, 26, 27 | mp3an12 1452 |
. . . . . . . . . . . . . . . . . . . . 21
β’ (π¦ β β€ β
(2βπ¦) β
0) |
29 | 24, 28 | syl 17 |
. . . . . . . . . . . . . . . . . . . 20
β’ (π¦ β β0
β (2βπ¦) β
0) |
30 | 23, 29 | jca 513 |
. . . . . . . . . . . . . . . . . . 19
β’ (π¦ β β0
β ((2βπ¦) β
β β§ (2βπ¦)
β 0)) |
31 | | redivcl 11930 |
. . . . . . . . . . . . . . . . . . . . 21
β’ ((π₯ β β β§
(2βπ¦) β β
β§ (2βπ¦) β 0)
β (π₯ / (2βπ¦)) β
β) |
32 | | peano2re 11384 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ (π₯ β β β (π₯ + 1) β
β) |
33 | | redivcl 11930 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ (((π₯ + 1) β β β§
(2βπ¦) β β
β§ (2βπ¦) β 0)
β ((π₯ + 1) /
(2βπ¦)) β
β) |
34 | 32, 33 | syl3an1 1164 |
. . . . . . . . . . . . . . . . . . . . 21
β’ ((π₯ β β β§
(2βπ¦) β β
β§ (2βπ¦) β 0)
β ((π₯ + 1) /
(2βπ¦)) β
β) |
35 | | opelxpi 5713 |
. . . . . . . . . . . . . . . . . . . . 21
β’ (((π₯ / (2βπ¦)) β β β§ ((π₯ + 1) / (2βπ¦)) β β) β β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β© β (β Γ
β)) |
36 | 31, 34, 35 | syl2anc 585 |
. . . . . . . . . . . . . . . . . . . 20
β’ ((π₯ β β β§
(2βπ¦) β β
β§ (2βπ¦) β 0)
β β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β© β (β Γ
β)) |
37 | 36 | 3expb 1121 |
. . . . . . . . . . . . . . . . . . 19
β’ ((π₯ β β β§
((2βπ¦) β β
β§ (2βπ¦) β 0))
β β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β© β (β Γ
β)) |
38 | 20, 30, 37 | syl2an 597 |
. . . . . . . . . . . . . . . . . 18
β’ ((π₯ β β€ β§ π¦ β β0)
β β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β© β (β Γ
β)) |
39 | 38 | rgen2 3198 |
. . . . . . . . . . . . . . . . 17
β’
βπ₯ β
β€ βπ¦ β
β0 β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β© β (β Γ
β) |
40 | | eqid 2733 |
. . . . . . . . . . . . . . . . . 18
β’ (π₯ β β€, π¦ β β0
β¦ β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) = (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) |
41 | 40 | fmpo 8051 |
. . . . . . . . . . . . . . . . 17
β’
(βπ₯ β
β€ βπ¦ β
β0 β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β© β (β Γ β)
β (π₯ β β€,
π¦ β
β0 β¦ β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©):(β€ Γ
β0)βΆ(β Γ β)) |
42 | 39, 41 | mpbi 229 |
. . . . . . . . . . . . . . . 16
β’ (π₯ β β€, π¦ β β0
β¦ β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β©):(β€ Γ
β0)βΆ(β Γ β) |
43 | | frn 6722 |
. . . . . . . . . . . . . . . 16
β’ ((π₯ β β€, π¦ β β0
β¦ β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β©):(β€ Γ
β0)βΆ(β Γ β) β ran (π₯ β β€, π¦ β β0
β¦ β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β (β
Γ β)) |
44 | 42, 43 | ax-mp 5 |
. . . . . . . . . . . . . . 15
β’ ran
(π₯ β β€, π¦ β β0
β¦ β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β (β
Γ β) |
45 | 19, 44 | sstri 3991 |
. . . . . . . . . . . . . 14
β’ {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β (β Γ
β) |
46 | 18, 45 | sstri 3991 |
. . . . . . . . . . . . 13
β’ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β (β Γ
β) |
47 | | rnss 5937 |
. . . . . . . . . . . . . 14
β’ ({π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β (β Γ β) β
ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β ran (β Γ
β)) |
48 | | rnxpid 6170 |
. . . . . . . . . . . . . 14
β’ ran
(β Γ β) = β |
49 | 47, 48 | sseqtrdi 4032 |
. . . . . . . . . . . . 13
β’ ({π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β (β Γ β) β
ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β β) |
50 | 46, 49 | ax-mp 5 |
. . . . . . . . . . . 12
β’ ran
{π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β β |
51 | | rnfi 9332 |
. . . . . . . . . . . 12
β’ ({π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin) |
52 | | fimaxre2 12156 |
. . . . . . . . . . . 12
β’ ((ran
{π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β β β§ ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin) β βπ β β βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π) |
53 | 50, 51, 52 | sylancr 588 |
. . . . . . . . . . 11
β’ ({π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin β βπ β β βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π) |
54 | 53 | adantl 483 |
. . . . . . . . . 10
β’ ((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin) β βπ β β βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π) |
55 | | eluni2 4912 |
. . . . . . . . . . . . . . . . 17
β’ (π§ β βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) β βπ’ β ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)})π§ β π’) |
56 | | iccf 13422 |
. . . . . . . . . . . . . . . . . . 19
β’
[,]:(β* Γ β*)βΆπ«
β* |
57 | | ffn 6715 |
. . . . . . . . . . . . . . . . . . 19
β’
([,]:(β* Γ β*)βΆπ«
β* β [,] Fn (β* Γ
β*)) |
58 | 56, 57 | ax-mp 5 |
. . . . . . . . . . . . . . . . . 18
β’ [,] Fn
(β* Γ β*) |
59 | | rexpssxrxp 11256 |
. . . . . . . . . . . . . . . . . . 19
β’ (β
Γ β) β (β* Γ
β*) |
60 | 46, 59 | sstri 3991 |
. . . . . . . . . . . . . . . . . 18
β’ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β (β* Γ
β*) |
61 | | eleq2 2823 |
. . . . . . . . . . . . . . . . . . 19
β’ (π’ = ([,]βπ£) β (π§ β π’ β π§ β ([,]βπ£))) |
62 | 61 | rexima 7236 |
. . . . . . . . . . . . . . . . . 18
β’ (([,] Fn
(β* Γ β*) β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β (β* Γ
β*)) β (βπ’ β ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)})π§ β π’ β βπ£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π§ β ([,]βπ£))) |
63 | 58, 60, 62 | mp2an 691 |
. . . . . . . . . . . . . . . . 17
β’
(βπ’ β
([,] β {π β
{π β ran (π₯ β β€, π¦ β β0
β¦ β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£
([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)})π§ β π’ β βπ£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π§ β ([,]βπ£)) |
64 | 55, 63 | bitri 275 |
. . . . . . . . . . . . . . . 16
β’ (π§ β βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) β βπ£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π§ β ([,]βπ£)) |
65 | 46 | sseli 3978 |
. . . . . . . . . . . . . . . . . . . . 21
β’ (π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β π£ β (β Γ
β)) |
66 | | 1st2nd2 8011 |
. . . . . . . . . . . . . . . . . . . . . . . 24
β’ (π£ β (β Γ
β) β π£ =
β¨(1st βπ£), (2nd βπ£)β©) |
67 | 66 | fveq2d 6893 |
. . . . . . . . . . . . . . . . . . . . . . 23
β’ (π£ β (β Γ
β) β ([,]βπ£) = ([,]ββ¨(1st
βπ£), (2nd
βπ£)β©)) |
68 | | df-ov 7409 |
. . . . . . . . . . . . . . . . . . . . . . 23
β’
((1st βπ£)[,](2nd βπ£)) = ([,]ββ¨(1st
βπ£), (2nd
βπ£)β©) |
69 | 67, 68 | eqtr4di 2791 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ (π£ β (β Γ
β) β ([,]βπ£) = ((1st βπ£)[,](2nd βπ£))) |
70 | 69 | eleq2d 2820 |
. . . . . . . . . . . . . . . . . . . . 21
β’ (π£ β (β Γ
β) β (π§ β
([,]βπ£) β π§ β ((1st
βπ£)[,](2nd
βπ£)))) |
71 | 65, 70 | syl 17 |
. . . . . . . . . . . . . . . . . . . 20
β’ (π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β (π§ β ([,]βπ£) β π§ β ((1st βπ£)[,](2nd βπ£)))) |
72 | 71 | biimpd 228 |
. . . . . . . . . . . . . . . . . . 19
β’ (π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β (π§ β ([,]βπ£) β π§ β ((1st βπ£)[,](2nd βπ£)))) |
73 | 72 | imdistani 570 |
. . . . . . . . . . . . . . . . . 18
β’ ((π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β§ π§ β ([,]βπ£)) β (π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β§ π§ β ((1st βπ£)[,](2nd βπ£)))) |
74 | | eliccxr 13409 |
. . . . . . . . . . . . . . . . . . . 20
β’ (π§ β ((1st
βπ£)[,](2nd
βπ£)) β π§ β
β*) |
75 | 74 | ad2antll 728 |
. . . . . . . . . . . . . . . . . . 19
β’ ((((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ π β β) β§ βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π) β§ (π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β§ π§ β ((1st βπ£)[,](2nd βπ£)))) β π§ β β*) |
76 | | xp2nd 8005 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ (π£ β (β Γ
β) β (2nd βπ£) β β) |
77 | 76 | rexrd 11261 |
. . . . . . . . . . . . . . . . . . . . 21
β’ (π£ β (β Γ
β) β (2nd βπ£) β
β*) |
78 | 65, 77 | syl 17 |
. . . . . . . . . . . . . . . . . . . 20
β’ (π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β (2nd βπ£) β
β*) |
79 | 78 | ad2antrl 727 |
. . . . . . . . . . . . . . . . . . 19
β’ ((((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ π β β) β§ βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π) β§ (π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β§ π§ β ((1st βπ£)[,](2nd βπ£)))) β (2nd
βπ£) β
β*) |
80 | | simpllr 775 |
. . . . . . . . . . . . . . . . . . . 20
β’ ((((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ π β β) β§ βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π) β§ (π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β§ π§ β ((1st βπ£)[,](2nd βπ£)))) β π β β) |
81 | 80 | rexrd 11261 |
. . . . . . . . . . . . . . . . . . 19
β’ ((((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ π β β) β§ βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π) β§ (π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β§ π§ β ((1st βπ£)[,](2nd βπ£)))) β π β β*) |
82 | | xp1st 8004 |
. . . . . . . . . . . . . . . . . . . . . . . 24
β’ (π£ β (β Γ
β) β (1st βπ£) β β) |
83 | 82 | rexrd 11261 |
. . . . . . . . . . . . . . . . . . . . . . 23
β’ (π£ β (β Γ
β) β (1st βπ£) β
β*) |
84 | 83, 77 | jca 513 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ (π£ β (β Γ
β) β ((1st βπ£) β β* β§
(2nd βπ£)
β β*)) |
85 | 65, 84 | syl 17 |
. . . . . . . . . . . . . . . . . . . . 21
β’ (π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β ((1st βπ£) β β*
β§ (2nd βπ£) β
β*)) |
86 | | iccleub 13376 |
. . . . . . . . . . . . . . . . . . . . . 22
β’
(((1st βπ£) β β* β§
(2nd βπ£)
β β* β§ π§ β ((1st βπ£)[,](2nd βπ£))) β π§ β€ (2nd βπ£)) |
87 | 86 | 3expa 1119 |
. . . . . . . . . . . . . . . . . . . . 21
β’
((((1st βπ£) β β* β§
(2nd βπ£)
β β*) β§ π§ β ((1st βπ£)[,](2nd βπ£))) β π§ β€ (2nd βπ£)) |
88 | 85, 87 | sylan 581 |
. . . . . . . . . . . . . . . . . . . 20
β’ ((π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β§ π§ β ((1st βπ£)[,](2nd βπ£))) β π§ β€ (2nd βπ£)) |
89 | 88 | adantl 483 |
. . . . . . . . . . . . . . . . . . 19
β’ ((((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ π β β) β§ βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π) β§ (π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β§ π§ β ((1st βπ£)[,](2nd βπ£)))) β π§ β€ (2nd βπ£)) |
90 | | xpss 5692 |
. . . . . . . . . . . . . . . . . . . . . . . 24
β’ (β
Γ β) β (V Γ V) |
91 | 46, 90 | sstri 3991 |
. . . . . . . . . . . . . . . . . . . . . . 23
β’ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β (V Γ V) |
92 | | df-rel 5683 |
. . . . . . . . . . . . . . . . . . . . . . 23
β’ (Rel
{π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β (V Γ V)) |
93 | 91, 92 | mpbir 230 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ Rel
{π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} |
94 | | 2ndrn 8024 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ ((Rel
{π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β§ π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) β (2nd βπ£) β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) |
95 | 93, 94 | mpan 689 |
. . . . . . . . . . . . . . . . . . . . 21
β’ (π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β (2nd βπ£) β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) |
96 | | breq1 5151 |
. . . . . . . . . . . . . . . . . . . . . 22
β’ (π’ = (2nd βπ£) β (π’ β€ π β (2nd βπ£) β€ π)) |
97 | 96 | rspccva 3612 |
. . . . . . . . . . . . . . . . . . . . 21
β’
((βπ’ β
ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π β§ (2nd βπ£) β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) β (2nd βπ£) β€ π) |
98 | 95, 97 | sylan2 594 |
. . . . . . . . . . . . . . . . . . . 20
β’
((βπ’ β
ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π β§ π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) β (2nd βπ£) β€ π) |
99 | 98 | ad2ant2lr 747 |
. . . . . . . . . . . . . . . . . . 19
β’ ((((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ π β β) β§ βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π) β§ (π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β§ π§ β ((1st βπ£)[,](2nd βπ£)))) β (2nd
βπ£) β€ π) |
100 | 75, 79, 81, 89, 99 | xrletrd 13138 |
. . . . . . . . . . . . . . . . . 18
β’ ((((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ π β β) β§ βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π) β§ (π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β§ π§ β ((1st βπ£)[,](2nd βπ£)))) β π§ β€ π) |
101 | 73, 100 | sylan2 594 |
. . . . . . . . . . . . . . . . 17
β’ ((((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ π β β) β§ βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π) β§ (π£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β§ π§ β ([,]βπ£))) β π§ β€ π) |
102 | 101 | rexlimdvaa 3157 |
. . . . . . . . . . . . . . . 16
β’ (((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ π β β) β§ βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π) β (βπ£ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π§ β ([,]βπ£) β π§ β€ π)) |
103 | 64, 102 | biimtrid 241 |
. . . . . . . . . . . . . . 15
β’ (((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ π β β) β§ βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π) β (π§ β βͺ ([,]
β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) β π§ β€ π)) |
104 | 103 | ralrimiv 3146 |
. . . . . . . . . . . . . 14
β’ (((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ π β β) β§ βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π) β βπ§ β βͺ ([,]
β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)})π§ β€ π) |
105 | | raleq 3323 |
. . . . . . . . . . . . . . 15
β’ (βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β (βπ§ β βͺ ([,]
β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)})π§ β€ π β βπ§ β π΄ π§ β€ π)) |
106 | 105 | ad2antrr 725 |
. . . . . . . . . . . . . 14
β’ (((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ π β β) β§ βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π) β (βπ§ β βͺ ([,]
β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)})π§ β€ π β βπ§ β π΄ π§ β€ π)) |
107 | 104, 106 | mpbid 231 |
. . . . . . . . . . . . 13
β’ (((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ π β β) β§ βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π) β βπ§ β π΄ π§ β€ π) |
108 | 107 | ex 414 |
. . . . . . . . . . . 12
β’ ((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ π β β) β (βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π β βπ§ β π΄ π§ β€ π)) |
109 | 108 | reximdva 3169 |
. . . . . . . . . . 11
β’ (βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β (βπ β β βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π β βπ β β βπ§ β π΄ π§ β€ π)) |
110 | 109 | adantr 482 |
. . . . . . . . . 10
β’ ((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin) β (βπ β β βπ’ β ran {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}π’ β€ π β βπ β β βπ§ β π΄ π§ β€ π)) |
111 | 54, 110 | mpd 15 |
. . . . . . . . 9
β’ ((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin) β βπ β β βπ§ β π΄ π§ β€ π) |
112 | 17, 111 | nsyl 140 |
. . . . . . . 8
β’ (π΄ = β β Β¬ (βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin)) |
113 | 112 | adantl 483 |
. . . . . . 7
β’ (((π΄ β (topGenβran (,))
β§ π΄ β β
) β§
π΄ = β) β Β¬
(βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin)) |
114 | | uniretop 24271 |
. . . . . . . . . . 11
β’ β =
βͺ (topGenβran (,)) |
115 | | retopconn 24337 |
. . . . . . . . . . . 12
β’
(topGenβran (,)) β Conn |
116 | 115 | a1i 11 |
. . . . . . . . . . 11
β’ (((π΄ β (topGenβran (,))
β§ π΄ β β
) β§
(βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin)) β (topGenβran (,))
β Conn) |
117 | | simpll 766 |
. . . . . . . . . . 11
β’ (((π΄ β (topGenβran (,))
β§ π΄ β β
) β§
(βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin)) β π΄ β (topGenβran
(,))) |
118 | | simplr 768 |
. . . . . . . . . . 11
β’ (((π΄ β (topGenβran (,))
β§ π΄ β β
) β§
(βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin)) β π΄ β β
) |
119 | | simprl 770 |
. . . . . . . . . . . 12
β’ (((π΄ β (topGenβran (,))
β§ π΄ β β
) β§
(βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin)) β βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄) |
120 | | ffun 6718 |
. . . . . . . . . . . . . . 15
β’
([,]:(β* Γ β*)βΆπ«
β* β Fun [,]) |
121 | | funiunfv 7244 |
. . . . . . . . . . . . . . 15
β’ (Fun [,]
β βͺ π§ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} ([,]βπ§) = βͺ ([,] β
{π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)})) |
122 | 56, 120, 121 | mp2b 10 |
. . . . . . . . . . . . . 14
β’ βͺ π§ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} ([,]βπ§) = βͺ ([,] β
{π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) |
123 | | retop 24270 |
. . . . . . . . . . . . . . 15
β’
(topGenβran (,)) β Top |
124 | 46 | sseli 3978 |
. . . . . . . . . . . . . . . . 17
β’ (π§ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β π§ β (β Γ
β)) |
125 | | 1st2nd2 8011 |
. . . . . . . . . . . . . . . . . . . 20
β’ (π§ β (β Γ
β) β π§ =
β¨(1st βπ§), (2nd βπ§)β©) |
126 | 125 | fveq2d 6893 |
. . . . . . . . . . . . . . . . . . 19
β’ (π§ β (β Γ
β) β ([,]βπ§) = ([,]ββ¨(1st
βπ§), (2nd
βπ§)β©)) |
127 | | df-ov 7409 |
. . . . . . . . . . . . . . . . . . 19
β’
((1st βπ§)[,](2nd βπ§)) = ([,]ββ¨(1st
βπ§), (2nd
βπ§)β©) |
128 | 126, 127 | eqtr4di 2791 |
. . . . . . . . . . . . . . . . . 18
β’ (π§ β (β Γ
β) β ([,]βπ§) = ((1st βπ§)[,](2nd βπ§))) |
129 | | xp1st 8004 |
. . . . . . . . . . . . . . . . . . 19
β’ (π§ β (β Γ
β) β (1st βπ§) β β) |
130 | | xp2nd 8005 |
. . . . . . . . . . . . . . . . . . 19
β’ (π§ β (β Γ
β) β (2nd βπ§) β β) |
131 | | icccld 24275 |
. . . . . . . . . . . . . . . . . . 19
β’
(((1st βπ§) β β β§ (2nd
βπ§) β β)
β ((1st βπ§)[,](2nd βπ§)) β (Clsdβ(topGenβran
(,)))) |
132 | 129, 130,
131 | syl2anc 585 |
. . . . . . . . . . . . . . . . . 18
β’ (π§ β (β Γ
β) β ((1st βπ§)[,](2nd βπ§)) β (Clsdβ(topGenβran
(,)))) |
133 | 128, 132 | eqeltrd 2834 |
. . . . . . . . . . . . . . . . 17
β’ (π§ β (β Γ
β) β ([,]βπ§) β (Clsdβ(topGenβran
(,)))) |
134 | 124, 133 | syl 17 |
. . . . . . . . . . . . . . . 16
β’ (π§ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β ([,]βπ§) β (Clsdβ(topGenβran
(,)))) |
135 | 134 | rgen 3064 |
. . . . . . . . . . . . . . 15
β’
βπ§ β
{π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} ([,]βπ§) β (Clsdβ(topGenβran
(,))) |
136 | 114 | iuncld 22541 |
. . . . . . . . . . . . . . 15
β’
(((topGenβran (,)) β Top β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin β§ βπ§ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} ([,]βπ§) β (Clsdβ(topGenβran (,))))
β βͺ π§ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} ([,]βπ§) β (Clsdβ(topGenβran
(,)))) |
137 | 123, 135,
136 | mp3an13 1453 |
. . . . . . . . . . . . . 14
β’ ({π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin β βͺ π§ β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} ([,]βπ§) β (Clsdβ(topGenβran
(,)))) |
138 | 122, 137 | eqeltrrid 2839 |
. . . . . . . . . . . . 13
β’ ({π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin β βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) β (Clsdβ(topGenβran
(,)))) |
139 | 138 | ad2antll 728 |
. . . . . . . . . . . 12
β’ (((π΄ β (topGenβran (,))
β§ π΄ β β
) β§
(βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin)) β βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) β (Clsdβ(topGenβran
(,)))) |
140 | 119, 139 | eqeltrrd 2835 |
. . . . . . . . . . 11
β’ (((π΄ β (topGenβran (,))
β§ π΄ β β
) β§
(βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin)) β π΄ β (Clsdβ(topGenβran
(,)))) |
141 | 114, 116,
117, 118, 140 | connclo 22911 |
. . . . . . . . . 10
β’ (((π΄ β (topGenβran (,))
β§ π΄ β β
) β§
(βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin)) β π΄ = β) |
142 | 141 | ex 414 |
. . . . . . . . 9
β’ ((π΄ β (topGenβran (,))
β§ π΄ β β
)
β ((βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin) β π΄ = β)) |
143 | 142 | necon3ad 2954 |
. . . . . . . 8
β’ ((π΄ β (topGenβran (,))
β§ π΄ β β
)
β (π΄ β β
β Β¬ (βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin))) |
144 | 143 | imp 408 |
. . . . . . 7
β’ (((π΄ β (topGenβran (,))
β§ π΄ β β
) β§
π΄ β β) β
Β¬ (βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin)) |
145 | 113, 144 | pm2.61dane 3030 |
. . . . . 6
β’ ((π΄ β (topGenβran (,))
β§ π΄ β β
)
β Β¬ (βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin)) |
146 | | oveq1 7413 |
. . . . . . . . . . . 12
β’ (π₯ = π’ β (π₯ / (2βπ¦)) = (π’ / (2βπ¦))) |
147 | | oveq1 7413 |
. . . . . . . . . . . . 13
β’ (π₯ = π’ β (π₯ + 1) = (π’ + 1)) |
148 | 147 | oveq1d 7421 |
. . . . . . . . . . . 12
β’ (π₯ = π’ β ((π₯ + 1) / (2βπ¦)) = ((π’ + 1) / (2βπ¦))) |
149 | 146, 148 | opeq12d 4881 |
. . . . . . . . . . 11
β’ (π₯ = π’ β β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β© = β¨(π’ / (2βπ¦)), ((π’ + 1) / (2βπ¦))β©) |
150 | | oveq2 7414 |
. . . . . . . . . . . . 13
β’ (π¦ = π£ β (2βπ¦) = (2βπ£)) |
151 | 150 | oveq2d 7422 |
. . . . . . . . . . . 12
β’ (π¦ = π£ β (π’ / (2βπ¦)) = (π’ / (2βπ£))) |
152 | 150 | oveq2d 7422 |
. . . . . . . . . . . 12
β’ (π¦ = π£ β ((π’ + 1) / (2βπ¦)) = ((π’ + 1) / (2βπ£))) |
153 | 151, 152 | opeq12d 4881 |
. . . . . . . . . . 11
β’ (π¦ = π£ β β¨(π’ / (2βπ¦)), ((π’ + 1) / (2βπ¦))β© = β¨(π’ / (2βπ£)), ((π’ + 1) / (2βπ£))β©) |
154 | 149, 153 | cbvmpov 7501 |
. . . . . . . . . 10
β’ (π₯ β β€, π¦ β β0
β¦ β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) = (π’ β β€, π£ β β0 β¦
β¨(π’ / (2βπ£)), ((π’ + 1) / (2βπ£))β©) |
155 | | fveq2 6889 |
. . . . . . . . . . . . . 14
β’ (π = π§ β ([,]βπ) = ([,]βπ§)) |
156 | 155 | sseq1d 4013 |
. . . . . . . . . . . . 13
β’ (π = π§ β (([,]βπ) β ([,]βπ) β ([,]βπ§) β ([,]βπ))) |
157 | | equequ1 2029 |
. . . . . . . . . . . . 13
β’ (π = π§ β (π = π β π§ = π)) |
158 | 156, 157 | imbi12d 345 |
. . . . . . . . . . . 12
β’ (π = π§ β ((([,]βπ) β ([,]βπ) β π = π) β (([,]βπ§) β ([,]βπ) β π§ = π))) |
159 | 158 | ralbidv 3178 |
. . . . . . . . . . 11
β’ (π = π§ β (βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π) β βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ§) β ([,]βπ) β π§ = π))) |
160 | 159 | cbvrabv 3443 |
. . . . . . . . . 10
β’ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} = {π§ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ§) β ([,]βπ) β π§ = π)} |
161 | 19 | a1i 11 |
. . . . . . . . . 10
β’ (π΄ β (topGenβran (,))
β {π β ran (π₯ β β€, π¦ β β0
β¦ β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£
([,]βπ) β π΄} β ran (π₯ β β€, π¦ β β0
β¦ β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β©)) |
162 | 154, 160,
161 | dyadmbllem 25108 |
. . . . . . . . 9
β’ (π΄ β (topGenβran (,))
β βͺ ([,] β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄}) = βͺ ([,]
β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)})) |
163 | | opnmbllem0 36513 |
. . . . . . . . 9
β’ (π΄ β (topGenβran (,))
β βͺ ([,] β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄}) = π΄) |
164 | 162, 163 | eqtr3d 2775 |
. . . . . . . 8
β’ (π΄ β (topGenβran (,))
β βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄) |
165 | 164 | adantr 482 |
. . . . . . 7
β’ ((π΄ β (topGenβran (,))
β§ π΄ β β
)
β βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄) |
166 | | nnenom 13942 |
. . . . . . . . 9
β’ β
β Ο |
167 | | sdomentr 9108 |
. . . . . . . . 9
β’ (({π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} βΊ β β§ β β
Ο) β {π β
{π β ran (π₯ β β€, π¦ β β0
β¦ β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£
([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} βΊ Ο) |
168 | 166, 167 | mpan2 690 |
. . . . . . . 8
β’ ({π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} βΊ β β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} βΊ Ο) |
169 | | isfinite 9644 |
. . . . . . . 8
β’ ({π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} βΊ Ο) |
170 | 168, 169 | sylibr 233 |
. . . . . . 7
β’ ({π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} βΊ β β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin) |
171 | 165, 170 | anim12i 614 |
. . . . . 6
β’ (((π΄ β (topGenβran (,))
β§ π΄ β β
) β§
{π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} βΊ β) β (βͺ ([,] β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) = π΄ β§ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β Fin)) |
172 | 145, 171 | mtand 815 |
. . . . 5
β’ ((π΄ β (topGenβran (,))
β§ π΄ β β
)
β Β¬ {π β
{π β ran (π₯ β β€, π¦ β β0
β¦ β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£
([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} βΊ β) |
173 | | qex 12942 |
. . . . . . . 8
β’ β
β V |
174 | 173, 173 | xpex 7737 |
. . . . . . 7
β’ (β
Γ β) β V |
175 | | zq 12935 |
. . . . . . . . . . . . 13
β’ (π₯ β β€ β π₯ β
β) |
176 | | 2nn 12282 |
. . . . . . . . . . . . . . . 16
β’ 2 β
β |
177 | | nnq 12943 |
. . . . . . . . . . . . . . . 16
β’ (2 β
β β 2 β β) |
178 | 176, 177 | ax-mp 5 |
. . . . . . . . . . . . . . 15
β’ 2 β
β |
179 | | qexpcl 14040 |
. . . . . . . . . . . . . . 15
β’ ((2
β β β§ π¦
β β0) β (2βπ¦) β β) |
180 | 178, 179 | mpan 689 |
. . . . . . . . . . . . . 14
β’ (π¦ β β0
β (2βπ¦) β
β) |
181 | 180, 29 | jca 513 |
. . . . . . . . . . . . 13
β’ (π¦ β β0
β ((2βπ¦) β
β β§ (2βπ¦)
β 0)) |
182 | | qdivcl 12951 |
. . . . . . . . . . . . . . 15
β’ ((π₯ β β β§
(2βπ¦) β β
β§ (2βπ¦) β 0)
β (π₯ / (2βπ¦)) β
β) |
183 | | 1z 12589 |
. . . . . . . . . . . . . . . . . 18
β’ 1 β
β€ |
184 | | zq 12935 |
. . . . . . . . . . . . . . . . . 18
β’ (1 β
β€ β 1 β β) |
185 | 183, 184 | ax-mp 5 |
. . . . . . . . . . . . . . . . 17
β’ 1 β
β |
186 | | qaddcl 12946 |
. . . . . . . . . . . . . . . . 17
β’ ((π₯ β β β§ 1 β
β) β (π₯ + 1)
β β) |
187 | 185, 186 | mpan2 690 |
. . . . . . . . . . . . . . . 16
β’ (π₯ β β β (π₯ + 1) β
β) |
188 | | qdivcl 12951 |
. . . . . . . . . . . . . . . 16
β’ (((π₯ + 1) β β β§
(2βπ¦) β β
β§ (2βπ¦) β 0)
β ((π₯ + 1) /
(2βπ¦)) β
β) |
189 | 187, 188 | syl3an1 1164 |
. . . . . . . . . . . . . . 15
β’ ((π₯ β β β§
(2βπ¦) β β
β§ (2βπ¦) β 0)
β ((π₯ + 1) /
(2βπ¦)) β
β) |
190 | | opelxpi 5713 |
. . . . . . . . . . . . . . 15
β’ (((π₯ / (2βπ¦)) β β β§ ((π₯ + 1) / (2βπ¦)) β β) β β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β© β (β Γ
β)) |
191 | 182, 189,
190 | syl2anc 585 |
. . . . . . . . . . . . . 14
β’ ((π₯ β β β§
(2βπ¦) β β
β§ (2βπ¦) β 0)
β β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β© β (β Γ
β)) |
192 | 191 | 3expb 1121 |
. . . . . . . . . . . . 13
β’ ((π₯ β β β§
((2βπ¦) β β
β§ (2βπ¦) β 0))
β β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β© β (β Γ
β)) |
193 | 175, 181,
192 | syl2an 597 |
. . . . . . . . . . . 12
β’ ((π₯ β β€ β§ π¦ β β0)
β β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β© β (β Γ
β)) |
194 | 193 | rgen2 3198 |
. . . . . . . . . . 11
β’
βπ₯ β
β€ βπ¦ β
β0 β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β© β (β Γ
β) |
195 | 40 | fmpo 8051 |
. . . . . . . . . . 11
β’
(βπ₯ β
β€ βπ¦ β
β0 β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β© β (β Γ β)
β (π₯ β β€,
π¦ β
β0 β¦ β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©):(β€ Γ
β0)βΆ(β Γ β)) |
196 | 194, 195 | mpbi 229 |
. . . . . . . . . 10
β’ (π₯ β β€, π¦ β β0
β¦ β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β©):(β€ Γ
β0)βΆ(β Γ β) |
197 | | frn 6722 |
. . . . . . . . . 10
β’ ((π₯ β β€, π¦ β β0
β¦ β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β©):(β€ Γ
β0)βΆ(β Γ β) β ran (π₯ β β€, π¦ β β0
β¦ β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β (β
Γ β)) |
198 | 196, 197 | ax-mp 5 |
. . . . . . . . 9
β’ ran
(π₯ β β€, π¦ β β0
β¦ β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β (β
Γ β) |
199 | 19, 198 | sstri 3991 |
. . . . . . . 8
β’ {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β (β Γ
β) |
200 | 18, 199 | sstri 3991 |
. . . . . . 7
β’ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β (β Γ
β) |
201 | | ssdomg 8993 |
. . . . . . 7
β’ ((β
Γ β) β V β ({π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β (β Γ β) β
{π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} βΌ (β Γ
β))) |
202 | 174, 200,
201 | mp2 9 |
. . . . . 6
β’ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} βΌ (β Γ
β) |
203 | | qnnen 16153 |
. . . . . . . 8
β’ β
β β |
204 | | xpen 9137 |
. . . . . . . 8
β’ ((β
β β β§ β β β) β (β Γ β)
β (β Γ β)) |
205 | 203, 203,
204 | mp2an 691 |
. . . . . . 7
β’ (β
Γ β) β (β Γ β) |
206 | | xpnnen 16151 |
. . . . . . 7
β’ (β
Γ β) β β |
207 | 205, 206 | entri 9001 |
. . . . . 6
β’ (β
Γ β) β β |
208 | | domentr 9006 |
. . . . . 6
β’ (({π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} βΌ (β Γ β) β§
(β Γ β) β β) β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} βΌ β) |
209 | 202, 207,
208 | mp2an 691 |
. . . . 5
β’ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} βΌ β |
210 | 172, 209 | jctil 521 |
. . . 4
β’ ((π΄ β (topGenβran (,))
β§ π΄ β β
)
β ({π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} βΌ β β§ Β¬ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} βΊ β)) |
211 | | bren2 8976 |
. . . 4
β’ ({π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β β β ({π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} βΌ β β§ Β¬ {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} βΊ β)) |
212 | 210, 211 | sylibr 233 |
. . 3
β’ ((π΄ β (topGenβran (,))
β§ π΄ β β
)
β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β β) |
213 | 212 | ensymd 8998 |
. 2
β’ ((π΄ β (topGenβran (,))
β§ π΄ β β
)
β β β {π
β {π β ran (π₯ β β€, π¦ β β0
β¦ β¨(π₯ /
(2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£
([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) |
214 | | bren 8946 |
. 2
β’ (β
β {π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)} β βπ π:ββ1-1-ontoβ{π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) |
215 | 213, 214 | sylib 217 |
1
β’ ((π΄ β (topGenβran (,))
β§ π΄ β β
)
β βπ π:ββ1-1-ontoβ{π β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} β£ βπ β {π β ran (π₯ β β€, π¦ β β0 β¦
β¨(π₯ / (2βπ¦)), ((π₯ + 1) / (2βπ¦))β©) β£ ([,]βπ) β π΄} (([,]βπ) β ([,]βπ) β π = π)}) |