Step | Hyp | Ref
| Expression |
1 | | fzfid 13935 |
. . . 4
β’ (π β β β
(1...π) β
Fin) |
2 | | pire 25960 |
. . . . . . . 8
β’ Ο
β β |
3 | | basellem8.n |
. . . . . . . . 9
β’ π = ((2 Β· π) + 1) |
4 | | 2nn 12282 |
. . . . . . . . . . 11
β’ 2 β
β |
5 | | nnmulcl 12233 |
. . . . . . . . . . 11
β’ ((2
β β β§ π
β β) β (2 Β· π) β β) |
6 | 4, 5 | mpan 689 |
. . . . . . . . . 10
β’ (π β β β (2
Β· π) β
β) |
7 | 6 | peano2nnd 12226 |
. . . . . . . . 9
β’ (π β β β ((2
Β· π) + 1) β
β) |
8 | 3, 7 | eqeltrid 2838 |
. . . . . . . 8
β’ (π β β β π β
β) |
9 | | nndivre 12250 |
. . . . . . . 8
β’ ((Ο
β β β§ π
β β) β (Ο / π) β β) |
10 | 2, 8, 9 | sylancr 588 |
. . . . . . 7
β’ (π β β β (Ο /
π) β
β) |
11 | 10 | resqcld 14087 |
. . . . . 6
β’ (π β β β ((Ο /
π)β2) β
β) |
12 | 11 | adantr 482 |
. . . . 5
β’ ((π β β β§ π β (1...π)) β ((Ο / π)β2) β β) |
13 | 3 | basellem1 26575 |
. . . . . . . 8
β’ ((π β β β§ π β (1...π)) β ((π Β· Ο) / π) β (0(,)(Ο / 2))) |
14 | | tanrpcl 26006 |
. . . . . . . 8
β’ (((π Β· Ο) / π) β (0(,)(Ο / 2)) β
(tanβ((π Β·
Ο) / π)) β
β+) |
15 | 13, 14 | syl 17 |
. . . . . . 7
β’ ((π β β β§ π β (1...π)) β (tanβ((π Β· Ο) / π)) β
β+) |
16 | 15 | rpred 13013 |
. . . . . 6
β’ ((π β β β§ π β (1...π)) β (tanβ((π Β· Ο) / π)) β β) |
17 | 15 | rpne0d 13018 |
. . . . . 6
β’ ((π β β β§ π β (1...π)) β (tanβ((π Β· Ο) / π)) β 0) |
18 | | 2z 12591 |
. . . . . . . 8
β’ 2 β
β€ |
19 | | znegcl 12594 |
. . . . . . . 8
β’ (2 β
β€ β -2 β β€) |
20 | 18, 19 | ax-mp 5 |
. . . . . . 7
β’ -2 β
β€ |
21 | 20 | a1i 11 |
. . . . . 6
β’ ((π β β β§ π β (1...π)) β -2 β
β€) |
22 | 16, 17, 21 | reexpclzd 14209 |
. . . . 5
β’ ((π β β β§ π β (1...π)) β ((tanβ((π Β· Ο) / π))β-2) β β) |
23 | 12, 22 | remulcld 11241 |
. . . 4
β’ ((π β β β§ π β (1...π)) β (((Ο / π)β2) Β· ((tanβ((π Β· Ο) / π))β-2)) β
β) |
24 | | elfznn 13527 |
. . . . . . 7
β’ (π β (1...π) β π β β) |
25 | 24 | adantl 483 |
. . . . . 6
β’ ((π β β β§ π β (1...π)) β π β β) |
26 | 25 | nnred 12224 |
. . . . 5
β’ ((π β β β§ π β (1...π)) β π β β) |
27 | 25 | nnne0d 12259 |
. . . . 5
β’ ((π β β β§ π β (1...π)) β π β 0) |
28 | 26, 27, 21 | reexpclzd 14209 |
. . . 4
β’ ((π β β β§ π β (1...π)) β (πβ-2) β β) |
29 | 16 | recnd 11239 |
. . . . . . . 8
β’ ((π β β β§ π β (1...π)) β (tanβ((π Β· Ο) / π)) β β) |
30 | | 2nn0 12486 |
. . . . . . . 8
β’ 2 β
β0 |
31 | | expneg 14032 |
. . . . . . . 8
β’
(((tanβ((π
Β· Ο) / π)) β
β β§ 2 β β0) β ((tanβ((π Β· Ο) / π))β-2) = (1 /
((tanβ((π Β·
Ο) / π))β2))) |
32 | 29, 30, 31 | sylancl 587 |
. . . . . . 7
β’ ((π β β β§ π β (1...π)) β ((tanβ((π Β· Ο) / π))β-2) = (1 / ((tanβ((π Β· Ο) / π))β2))) |
33 | 32 | oveq2d 7422 |
. . . . . 6
β’ ((π β β β§ π β (1...π)) β (((Ο / π)β2) Β· ((tanβ((π Β· Ο) / π))β-2)) = (((Ο / π)β2) Β· (1 /
((tanβ((π Β·
Ο) / π))β2)))) |
34 | 10 | recnd 11239 |
. . . . . . . . 9
β’ (π β β β (Ο /
π) β
β) |
35 | 34 | sqcld 14106 |
. . . . . . . 8
β’ (π β β β ((Ο /
π)β2) β
β) |
36 | 35 | adantr 482 |
. . . . . . 7
β’ ((π β β β§ π β (1...π)) β ((Ο / π)β2) β β) |
37 | | rpexpcl 14043 |
. . . . . . . . . 10
β’
(((tanβ((π
Β· Ο) / π)) β
β+ β§ 2 β β€) β ((tanβ((π Β· Ο) / π))β2) β
β+) |
38 | 15, 18, 37 | sylancl 587 |
. . . . . . . . 9
β’ ((π β β β§ π β (1...π)) β ((tanβ((π Β· Ο) / π))β2) β
β+) |
39 | 38 | rpred 13013 |
. . . . . . . 8
β’ ((π β β β§ π β (1...π)) β ((tanβ((π Β· Ο) / π))β2) β β) |
40 | 39 | recnd 11239 |
. . . . . . 7
β’ ((π β β β§ π β (1...π)) β ((tanβ((π Β· Ο) / π))β2) β β) |
41 | 38 | rpne0d 13018 |
. . . . . . 7
β’ ((π β β β§ π β (1...π)) β ((tanβ((π Β· Ο) / π))β2) β 0) |
42 | 36, 40, 41 | divrecd 11990 |
. . . . . 6
β’ ((π β β β§ π β (1...π)) β (((Ο / π)β2) / ((tanβ((π Β· Ο) / π))β2)) = (((Ο / π)β2) Β· (1 / ((tanβ((π Β· Ο) / π))β2)))) |
43 | 33, 42 | eqtr4d 2776 |
. . . . 5
β’ ((π β β β§ π β (1...π)) β (((Ο / π)β2) Β· ((tanβ((π Β· Ο) / π))β-2)) = (((Ο / π)β2) / ((tanβ((π Β· Ο) / π))β2))) |
44 | 25 | nnrpd 13011 |
. . . . . . 7
β’ ((π β β β§ π β (1...π)) β π β β+) |
45 | | rpexpcl 14043 |
. . . . . . 7
β’ ((π β β+
β§ -2 β β€) β (πβ-2) β
β+) |
46 | 44, 20, 45 | sylancl 587 |
. . . . . 6
β’ ((π β β β§ π β (1...π)) β (πβ-2) β
β+) |
47 | 25 | nncnd 12225 |
. . . . . . . . . . 11
β’ ((π β β β§ π β (1...π)) β π β β) |
48 | 47, 27, 21 | expnegd 14115 |
. . . . . . . . . 10
β’ ((π β β β§ π β (1...π)) β (πβ--2) = (1 / (πβ-2))) |
49 | | 2cn 12284 |
. . . . . . . . . . . 12
β’ 2 β
β |
50 | 49 | negnegi 11527 |
. . . . . . . . . . 11
β’ --2 =
2 |
51 | 50 | oveq2i 7417 |
. . . . . . . . . 10
β’ (πβ--2) = (πβ2) |
52 | 48, 51 | eqtr3di 2788 |
. . . . . . . . 9
β’ ((π β β β§ π β (1...π)) β (1 / (πβ-2)) = (πβ2)) |
53 | 52 | oveq1d 7421 |
. . . . . . . 8
β’ ((π β β β§ π β (1...π)) β ((1 / (πβ-2)) Β· ((Ο / π)β2)) = ((πβ2) Β· ((Ο / π)β2))) |
54 | | nncn 12217 |
. . . . . . . . . . 11
β’ (π β β β π β
β) |
55 | | nnne0 12243 |
. . . . . . . . . . 11
β’ (π β β β π β 0) |
56 | 20 | a1i 11 |
. . . . . . . . . . 11
β’ (π β β β -2 β
β€) |
57 | 54, 55, 56 | expclzd 14113 |
. . . . . . . . . 10
β’ (π β β β (πβ-2) β
β) |
58 | 25, 57 | syl 17 |
. . . . . . . . 9
β’ ((π β β β§ π β (1...π)) β (πβ-2) β β) |
59 | 47, 27, 21 | expne0d 14114 |
. . . . . . . . 9
β’ ((π β β β§ π β (1...π)) β (πβ-2) β 0) |
60 | 36, 58, 59 | divrec2d 11991 |
. . . . . . . 8
β’ ((π β β β§ π β (1...π)) β (((Ο / π)β2) / (πβ-2)) = ((1 / (πβ-2)) Β· ((Ο / π)β2))) |
61 | 2 | recni 11225 |
. . . . . . . . . . . 12
β’ Ο
β β |
62 | 61 | a1i 11 |
. . . . . . . . . . 11
β’ ((π β β β§ π β (1...π)) β Ο β
β) |
63 | 8 | nncnd 12225 |
. . . . . . . . . . . . 13
β’ (π β β β π β
β) |
64 | 8 | nnne0d 12259 |
. . . . . . . . . . . . 13
β’ (π β β β π β 0) |
65 | 63, 64 | jca 513 |
. . . . . . . . . . . 12
β’ (π β β β (π β β β§ π β 0)) |
66 | 65 | adantr 482 |
. . . . . . . . . . 11
β’ ((π β β β§ π β (1...π)) β (π β β β§ π β 0)) |
67 | | divass 11887 |
. . . . . . . . . . 11
β’ ((π β β β§ Ο
β β β§ (π
β β β§ π β
0)) β ((π Β·
Ο) / π) = (π Β· (Ο / π))) |
68 | 47, 62, 66, 67 | syl3anc 1372 |
. . . . . . . . . 10
β’ ((π β β β§ π β (1...π)) β ((π Β· Ο) / π) = (π Β· (Ο / π))) |
69 | 68 | oveq1d 7421 |
. . . . . . . . 9
β’ ((π β β β§ π β (1...π)) β (((π Β· Ο) / π)β2) = ((π Β· (Ο / π))β2)) |
70 | 34 | adantr 482 |
. . . . . . . . . 10
β’ ((π β β β§ π β (1...π)) β (Ο / π) β β) |
71 | 47, 70 | sqmuld 14120 |
. . . . . . . . 9
β’ ((π β β β§ π β (1...π)) β ((π Β· (Ο / π))β2) = ((πβ2) Β· ((Ο / π)β2))) |
72 | 69, 71 | eqtrd 2773 |
. . . . . . . 8
β’ ((π β β β§ π β (1...π)) β (((π Β· Ο) / π)β2) = ((πβ2) Β· ((Ο / π)β2))) |
73 | 53, 60, 72 | 3eqtr4d 2783 |
. . . . . . 7
β’ ((π β β β§ π β (1...π)) β (((Ο / π)β2) / (πβ-2)) = (((π Β· Ο) / π)β2)) |
74 | | elioore 13351 |
. . . . . . . . . 10
β’ (((π Β· Ο) / π) β (0(,)(Ο / 2)) β
((π Β· Ο) / π) β
β) |
75 | 13, 74 | syl 17 |
. . . . . . . . 9
β’ ((π β β β§ π β (1...π)) β ((π Β· Ο) / π) β β) |
76 | 75 | resqcld 14087 |
. . . . . . . 8
β’ ((π β β β§ π β (1...π)) β (((π Β· Ο) / π)β2) β β) |
77 | | tangtx 26007 |
. . . . . . . . . 10
β’ (((π Β· Ο) / π) β (0(,)(Ο / 2)) β
((π Β· Ο) / π) < (tanβ((π Β· Ο) / π))) |
78 | 13, 77 | syl 17 |
. . . . . . . . 9
β’ ((π β β β§ π β (1...π)) β ((π Β· Ο) / π) < (tanβ((π Β· Ο) / π))) |
79 | | eliooord 13380 |
. . . . . . . . . . . . . 14
β’ (((π Β· Ο) / π) β (0(,)(Ο / 2)) β
(0 < ((π Β· Ο)
/ π) β§ ((π Β· Ο) / π) < (Ο /
2))) |
80 | 13, 79 | syl 17 |
. . . . . . . . . . . . 13
β’ ((π β β β§ π β (1...π)) β (0 < ((π Β· Ο) / π) β§ ((π Β· Ο) / π) < (Ο / 2))) |
81 | 80 | simpld 496 |
. . . . . . . . . . . 12
β’ ((π β β β§ π β (1...π)) β 0 < ((π Β· Ο) / π)) |
82 | 75, 81 | elrpd 13010 |
. . . . . . . . . . 11
β’ ((π β β β§ π β (1...π)) β ((π Β· Ο) / π) β
β+) |
83 | 82 | rpge0d 13017 |
. . . . . . . . . 10
β’ ((π β β β§ π β (1...π)) β 0 β€ ((π Β· Ο) / π)) |
84 | 15 | rpge0d 13017 |
. . . . . . . . . 10
β’ ((π β β β§ π β (1...π)) β 0 β€ (tanβ((π Β· Ο) / π))) |
85 | 75, 16, 83, 84 | lt2sqd 14216 |
. . . . . . . . 9
β’ ((π β β β§ π β (1...π)) β (((π Β· Ο) / π) < (tanβ((π Β· Ο) / π)) β (((π Β· Ο) / π)β2) < ((tanβ((π Β· Ο) / π))β2))) |
86 | 78, 85 | mpbid 231 |
. . . . . . . 8
β’ ((π β β β§ π β (1...π)) β (((π Β· Ο) / π)β2) < ((tanβ((π Β· Ο) / π))β2)) |
87 | 76, 39, 86 | ltled 11359 |
. . . . . . 7
β’ ((π β β β§ π β (1...π)) β (((π Β· Ο) / π)β2) β€ ((tanβ((π Β· Ο) / π))β2)) |
88 | 73, 87 | eqbrtrd 5170 |
. . . . . 6
β’ ((π β β β§ π β (1...π)) β (((Ο / π)β2) / (πβ-2)) β€ ((tanβ((π Β· Ο) / π))β2)) |
89 | 12, 46, 38, 88 | lediv23d 13081 |
. . . . 5
β’ ((π β β β§ π β (1...π)) β (((Ο / π)β2) / ((tanβ((π Β· Ο) / π))β2)) β€ (πβ-2)) |
90 | 43, 89 | eqbrtrd 5170 |
. . . 4
β’ ((π β β β§ π β (1...π)) β (((Ο / π)β2) Β· ((tanβ((π Β· Ο) / π))β-2)) β€ (πβ-2)) |
91 | 1, 23, 28, 90 | fsumle 15742 |
. . 3
β’ (π β β β
Ξ£π β (1...π)(((Ο / π)β2) Β· ((tanβ((π Β· Ο) / π))β-2)) β€ Ξ£π β (1...π)(πβ-2)) |
92 | | oveq2 7414 |
. . . . . . . . . . 11
β’ (π = π β (2 Β· π) = (2 Β· π)) |
93 | 92 | oveq1d 7421 |
. . . . . . . . . 10
β’ (π = π β ((2 Β· π) + 1) = ((2 Β· π) + 1)) |
94 | 93, 3 | eqtr4di 2791 |
. . . . . . . . 9
β’ (π = π β ((2 Β· π) + 1) = π) |
95 | 94 | oveq2d 7422 |
. . . . . . . 8
β’ (π = π β (1 / ((2 Β· π) + 1)) = (1 / π)) |
96 | 95 | oveq2d 7422 |
. . . . . . 7
β’ (π = π β (1 β (1 / ((2 Β· π) + 1))) = (1 β (1 / π))) |
97 | 96 | oveq2d 7422 |
. . . . . 6
β’ (π = π β (((Οβ2) / 6) Β· (1
β (1 / ((2 Β· π) + 1)))) = (((Οβ2) / 6) Β· (1
β (1 / π)))) |
98 | 95 | oveq2d 7422 |
. . . . . . 7
β’ (π = π β (-2 Β· (1 / ((2 Β· π) + 1))) = (-2 Β· (1 /
π))) |
99 | 98 | oveq2d 7422 |
. . . . . 6
β’ (π = π β (1 + (-2 Β· (1 / ((2 Β·
π) + 1)))) = (1 + (-2
Β· (1 / π)))) |
100 | 97, 99 | oveq12d 7424 |
. . . . 5
β’ (π = π β ((((Οβ2) / 6) Β· (1
β (1 / ((2 Β· π) + 1)))) Β· (1 + (-2 Β· (1 / ((2
Β· π) + 1))))) =
((((Οβ2) / 6) Β· (1 β (1 / π))) Β· (1 + (-2 Β· (1 / π))))) |
101 | | basel.j |
. . . . . 6
β’ π½ = (π» βf Β· ((β
Γ {1}) βf + ((β Γ {-2}) βf
Β· πΊ))) |
102 | | nnex 12215 |
. . . . . . . . 9
β’ β
β V |
103 | 102 | a1i 11 |
. . . . . . . 8
β’ (β€
β β β V) |
104 | | ovexd 7441 |
. . . . . . . 8
β’
((β€ β§ π
β β) β (((Οβ2) / 6) Β· (1 β (1 / ((2
Β· π) + 1)))) β
V) |
105 | | ovexd 7441 |
. . . . . . . 8
β’
((β€ β§ π
β β) β (1 + (-2 Β· (1 / ((2 Β· π) + 1)))) β V) |
106 | | basel.h |
. . . . . . . . 9
β’ π» = ((β Γ
{((Οβ2) / 6)}) βf Β· ((β Γ {1})
βf β πΊ)) |
107 | 2 | resqcli 14147 |
. . . . . . . . . . . 12
β’
(Οβ2) β β |
108 | | 6re 12299 |
. . . . . . . . . . . 12
β’ 6 β
β |
109 | | 6nn 12298 |
. . . . . . . . . . . . 13
β’ 6 β
β |
110 | 109 | nnne0i 12249 |
. . . . . . . . . . . 12
β’ 6 β
0 |
111 | 107, 108,
110 | redivcli 11978 |
. . . . . . . . . . 11
β’
((Οβ2) / 6) β β |
112 | 111 | a1i 11 |
. . . . . . . . . 10
β’
((β€ β§ π
β β) β ((Οβ2) / 6) β β) |
113 | | ovexd 7441 |
. . . . . . . . . 10
β’
((β€ β§ π
β β) β (1 β (1 / ((2 Β· π) + 1))) β V) |
114 | | fconstmpt 5737 |
. . . . . . . . . . 11
β’ (β
Γ {((Οβ2) / 6)}) = (π β β β¦ ((Οβ2) /
6)) |
115 | 114 | a1i 11 |
. . . . . . . . . 10
β’ (β€
β (β Γ {((Οβ2) / 6)}) = (π β β β¦ ((Οβ2) /
6))) |
116 | | 1zzd 12590 |
. . . . . . . . . . 11
β’
((β€ β§ π
β β) β 1 β β€) |
117 | | ovexd 7441 |
. . . . . . . . . . 11
β’
((β€ β§ π
β β) β (1 / ((2 Β· π) + 1)) β V) |
118 | | fconstmpt 5737 |
. . . . . . . . . . . 12
β’ (β
Γ {1}) = (π β
β β¦ 1) |
119 | 118 | a1i 11 |
. . . . . . . . . . 11
β’ (β€
β (β Γ {1}) = (π β β β¦ 1)) |
120 | | basel.g |
. . . . . . . . . . . 12
β’ πΊ = (π β β β¦ (1 / ((2 Β·
π) + 1))) |
121 | 120 | a1i 11 |
. . . . . . . . . . 11
β’ (β€
β πΊ = (π β β β¦ (1 / ((2
Β· π) +
1)))) |
122 | 103, 116,
117, 119, 121 | offval2 7687 |
. . . . . . . . . 10
β’ (β€
β ((β Γ {1}) βf β πΊ) = (π β β β¦ (1 β (1 / ((2
Β· π) +
1))))) |
123 | 103, 112,
113, 115, 122 | offval2 7687 |
. . . . . . . . 9
β’ (β€
β ((β Γ {((Οβ2) / 6)}) βf Β·
((β Γ {1}) βf β πΊ)) = (π β β β¦ (((Οβ2) / 6)
Β· (1 β (1 / ((2 Β· π) + 1)))))) |
124 | 106, 123 | eqtrid 2785 |
. . . . . . . 8
β’ (β€
β π» = (π β β β¦
(((Οβ2) / 6) Β· (1 β (1 / ((2 Β· π) + 1)))))) |
125 | | ovexd 7441 |
. . . . . . . . 9
β’
((β€ β§ π
β β) β (-2 Β· (1 / ((2 Β· π) + 1))) β V) |
126 | 49 | negcli 11525 |
. . . . . . . . . . 11
β’ -2 β
β |
127 | 126 | a1i 11 |
. . . . . . . . . 10
β’
((β€ β§ π
β β) β -2 β β) |
128 | | fconstmpt 5737 |
. . . . . . . . . . 11
β’ (β
Γ {-2}) = (π β
β β¦ -2) |
129 | 128 | a1i 11 |
. . . . . . . . . 10
β’ (β€
β (β Γ {-2}) = (π β β β¦ -2)) |
130 | 103, 127,
117, 129, 121 | offval2 7687 |
. . . . . . . . 9
β’ (β€
β ((β Γ {-2}) βf Β· πΊ) = (π β β β¦ (-2 Β· (1 / ((2
Β· π) +
1))))) |
131 | 103, 116,
125, 119, 130 | offval2 7687 |
. . . . . . . 8
β’ (β€
β ((β Γ {1}) βf + ((β Γ {-2})
βf Β· πΊ)) = (π β β β¦ (1 + (-2 Β· (1
/ ((2 Β· π) +
1)))))) |
132 | 103, 104,
105, 124, 131 | offval2 7687 |
. . . . . . 7
β’ (β€
β (π»
βf Β· ((β Γ {1}) βf +
((β Γ {-2}) βf Β· πΊ))) = (π β β β¦ ((((Οβ2) / 6)
Β· (1 β (1 / ((2 Β· π) + 1)))) Β· (1 + (-2 Β· (1 / ((2
Β· π) +
1))))))) |
133 | 132 | mptru 1549 |
. . . . . 6
β’ (π» βf Β·
((β Γ {1}) βf + ((β Γ {-2})
βf Β· πΊ))) = (π β β β¦ ((((Οβ2) / 6)
Β· (1 β (1 / ((2 Β· π) + 1)))) Β· (1 + (-2 Β· (1 / ((2
Β· π) +
1)))))) |
134 | 101, 133 | eqtri 2761 |
. . . . 5
β’ π½ = (π β β β¦ ((((Οβ2) / 6)
Β· (1 β (1 / ((2 Β· π) + 1)))) Β· (1 + (-2 Β· (1 / ((2
Β· π) +
1)))))) |
135 | | ovex 7439 |
. . . . 5
β’
((((Οβ2) / 6) Β· (1 β (1 / π))) Β· (1 + (-2 Β· (1 / π)))) β V |
136 | 100, 134,
135 | fvmpt 6996 |
. . . 4
β’ (π β β β (π½βπ) = ((((Οβ2) / 6) Β· (1
β (1 / π))) Β·
(1 + (-2 Β· (1 / π))))) |
137 | 111 | recni 11225 |
. . . . . . . 8
β’
((Οβ2) / 6) β β |
138 | 137 | a1i 11 |
. . . . . . 7
β’ (π β β β
((Οβ2) / 6) β β) |
139 | 6 | nncnd 12225 |
. . . . . . . 8
β’ (π β β β (2
Β· π) β
β) |
140 | 139, 63, 64 | divcld 11987 |
. . . . . . 7
β’ (π β β β ((2
Β· π) / π) β
β) |
141 | | ax-1cn 11165 |
. . . . . . . . 9
β’ 1 β
β |
142 | | subcl 11456 |
. . . . . . . . 9
β’ (((2
Β· π) β β
β§ 1 β β) β ((2 Β· π) β 1) β
β) |
143 | 139, 141,
142 | sylancl 587 |
. . . . . . . 8
β’ (π β β β ((2
Β· π) β 1)
β β) |
144 | 143, 63, 64 | divcld 11987 |
. . . . . . 7
β’ (π β β β (((2
Β· π) β 1) /
π) β
β) |
145 | 138, 140,
144 | mulassd 11234 |
. . . . . 6
β’ (π β β β
((((Οβ2) / 6) Β· ((2 Β· π) / π)) Β· (((2 Β· π) β 1) / π)) = (((Οβ2) / 6) Β· (((2
Β· π) / π) Β· (((2 Β· π) β 1) / π)))) |
146 | | 1cnd 11206 |
. . . . . . . . . 10
β’ (π β β β 1 β
β) |
147 | 63, 146, 63, 64 | divsubdird 12026 |
. . . . . . . . 9
β’ (π β β β ((π β 1) / π) = ((π / π) β (1 / π))) |
148 | 3 | oveq1i 7416 |
. . . . . . . . . . 11
β’ (π β 1) = (((2 Β·
π) + 1) β
1) |
149 | | pncan 11463 |
. . . . . . . . . . . 12
β’ (((2
Β· π) β β
β§ 1 β β) β (((2 Β· π) + 1) β 1) = (2 Β· π)) |
150 | 139, 141,
149 | sylancl 587 |
. . . . . . . . . . 11
β’ (π β β β (((2
Β· π) + 1) β 1)
= (2 Β· π)) |
151 | 148, 150 | eqtrid 2785 |
. . . . . . . . . 10
β’ (π β β β (π β 1) = (2 Β· π)) |
152 | 151 | oveq1d 7421 |
. . . . . . . . 9
β’ (π β β β ((π β 1) / π) = ((2 Β· π) / π)) |
153 | 63, 64 | dividd 11985 |
. . . . . . . . . 10
β’ (π β β β (π / π) = 1) |
154 | 153 | oveq1d 7421 |
. . . . . . . . 9
β’ (π β β β ((π / π) β (1 / π)) = (1 β (1 / π))) |
155 | 147, 152,
154 | 3eqtr3rd 2782 |
. . . . . . . 8
β’ (π β β β (1
β (1 / π)) = ((2
Β· π) / π)) |
156 | 155 | oveq2d 7422 |
. . . . . . 7
β’ (π β β β
(((Οβ2) / 6) Β· (1 β (1 / π))) = (((Οβ2) / 6) Β· ((2
Β· π) / π))) |
157 | 126 | a1i 11 |
. . . . . . . . 9
β’ (π β β β -2 β
β) |
158 | 63, 157, 63, 64 | divdird 12025 |
. . . . . . . 8
β’ (π β β β ((π + -2) / π) = ((π / π) + (-2 / π))) |
159 | | negsub 11505 |
. . . . . . . . . . 11
β’ ((π β β β§ 2 β
β) β (π + -2) =
(π β
2)) |
160 | 63, 49, 159 | sylancl 587 |
. . . . . . . . . 10
β’ (π β β β (π + -2) = (π β 2)) |
161 | | df-2 12272 |
. . . . . . . . . . . 12
β’ 2 = (1 +
1) |
162 | 3, 161 | oveq12i 7418 |
. . . . . . . . . . 11
β’ (π β 2) = (((2 Β·
π) + 1) β (1 +
1)) |
163 | 139, 146,
146 | pnpcan2d 11606 |
. . . . . . . . . . 11
β’ (π β β β (((2
Β· π) + 1) β (1
+ 1)) = ((2 Β· π)
β 1)) |
164 | 162, 163 | eqtrid 2785 |
. . . . . . . . . 10
β’ (π β β β (π β 2) = ((2 Β· π) β 1)) |
165 | 160, 164 | eqtrd 2773 |
. . . . . . . . 9
β’ (π β β β (π + -2) = ((2 Β· π) β 1)) |
166 | 165 | oveq1d 7421 |
. . . . . . . 8
β’ (π β β β ((π + -2) / π) = (((2 Β· π) β 1) / π)) |
167 | 157, 63, 64 | divrecd 11990 |
. . . . . . . . 9
β’ (π β β β (-2 /
π) = (-2 Β· (1 /
π))) |
168 | 153, 167 | oveq12d 7424 |
. . . . . . . 8
β’ (π β β β ((π / π) + (-2 / π)) = (1 + (-2 Β· (1 / π)))) |
169 | 158, 166,
168 | 3eqtr3rd 2782 |
. . . . . . 7
β’ (π β β β (1 + (-2
Β· (1 / π))) = (((2
Β· π) β 1) /
π)) |
170 | 156, 169 | oveq12d 7424 |
. . . . . 6
β’ (π β β β
((((Οβ2) / 6) Β· (1 β (1 / π))) Β· (1 + (-2 Β· (1 / π)))) = ((((Οβ2) / 6)
Β· ((2 Β· π) /
π)) Β· (((2 Β·
π) β 1) / π))) |
171 | 8 | nnsqcld 14204 |
. . . . . . . . . . 11
β’ (π β β β (πβ2) β
β) |
172 | 171 | nncnd 12225 |
. . . . . . . . . 10
β’ (π β β β (πβ2) β
β) |
173 | | 6cn 12300 |
. . . . . . . . . 10
β’ 6 β
β |
174 | | mulcom 11193 |
. . . . . . . . . 10
β’ (((πβ2) β β β§ 6
β β) β ((πβ2) Β· 6) = (6 Β· (πβ2))) |
175 | 172, 173,
174 | sylancl 587 |
. . . . . . . . 9
β’ (π β β β ((πβ2) Β· 6) = (6
Β· (πβ2))) |
176 | 175 | oveq2d 7422 |
. . . . . . . 8
β’ (π β β β
(((Οβ2) Β· ((2 Β· π) Β· ((2 Β· π) β 1))) / ((πβ2) Β· 6)) = (((Οβ2)
Β· ((2 Β· π)
Β· ((2 Β· π)
β 1))) / (6 Β· (πβ2)))) |
177 | 107 | recni 11225 |
. . . . . . . . . 10
β’
(Οβ2) β β |
178 | 177 | a1i 11 |
. . . . . . . . 9
β’ (π β β β
(Οβ2) β β) |
179 | 139, 143 | mulcld 11231 |
. . . . . . . . 9
β’ (π β β β ((2
Β· π) Β· ((2
Β· π) β 1))
β β) |
180 | 171 | nnne0d 12259 |
. . . . . . . . . 10
β’ (π β β β (πβ2) β
0) |
181 | 172, 180 | jca 513 |
. . . . . . . . 9
β’ (π β β β ((πβ2) β β β§
(πβ2) β
0)) |
182 | 173, 110 | pm3.2i 472 |
. . . . . . . . . 10
β’ (6 β
β β§ 6 β 0) |
183 | 182 | a1i 11 |
. . . . . . . . 9
β’ (π β β β (6 β
β β§ 6 β 0)) |
184 | | divmuldiv 11911 |
. . . . . . . . 9
β’
((((Οβ2) β β β§ ((2 Β· π) Β· ((2 Β· π) β 1)) β β) β§ (((πβ2) β β β§
(πβ2) β 0) β§ (6
β β β§ 6 β 0))) β (((Οβ2) / (πβ2)) Β· (((2 Β· π) Β· ((2 Β· π) β 1)) / 6)) =
(((Οβ2) Β· ((2 Β· π) Β· ((2 Β· π) β 1))) / ((πβ2) Β· 6))) |
185 | 178, 179,
181, 183, 184 | syl22anc 838 |
. . . . . . . 8
β’ (π β β β
(((Οβ2) / (πβ2)) Β· (((2 Β· π) Β· ((2 Β· π) β 1)) / 6)) =
(((Οβ2) Β· ((2 Β· π) Β· ((2 Β· π) β 1))) / ((πβ2) Β· 6))) |
186 | | divmuldiv 11911 |
. . . . . . . . 9
β’
((((Οβ2) β β β§ ((2 Β· π) Β· ((2 Β· π) β 1)) β β) β§ ((6
β β β§ 6 β 0) β§ ((πβ2) β β β§ (πβ2) β 0))) β
(((Οβ2) / 6) Β· (((2 Β· π) Β· ((2 Β· π) β 1)) / (πβ2))) = (((Οβ2) Β· ((2
Β· π) Β· ((2
Β· π) β 1))) /
(6 Β· (πβ2)))) |
187 | 178, 179,
183, 181, 186 | syl22anc 838 |
. . . . . . . 8
β’ (π β β β
(((Οβ2) / 6) Β· (((2 Β· π) Β· ((2 Β· π) β 1)) / (πβ2))) = (((Οβ2) Β· ((2
Β· π) Β· ((2
Β· π) β 1))) /
(6 Β· (πβ2)))) |
188 | 176, 185,
187 | 3eqtr4d 2783 |
. . . . . . 7
β’ (π β β β
(((Οβ2) / (πβ2)) Β· (((2 Β· π) Β· ((2 Β· π) β 1)) / 6)) =
(((Οβ2) / 6) Β· (((2 Β· π) Β· ((2 Β· π) β 1)) / (πβ2)))) |
189 | 61 | a1i 11 |
. . . . . . . . 9
β’ (π β β β Ο
β β) |
190 | 189, 63, 64 | sqdivd 14121 |
. . . . . . . 8
β’ (π β β β ((Ο /
π)β2) = ((Οβ2)
/ (πβ2))) |
191 | 190 | oveq1d 7421 |
. . . . . . 7
β’ (π β β β (((Ο /
π)β2) Β· (((2
Β· π) Β· ((2
Β· π) β 1)) /
6)) = (((Οβ2) / (πβ2)) Β· (((2 Β· π) Β· ((2 Β· π) β 1)) /
6))) |
192 | 139, 63, 143, 63, 64, 64 | divmuldivd 12028 |
. . . . . . . . 9
β’ (π β β β (((2
Β· π) / π) Β· (((2 Β· π) β 1) / π)) = (((2 Β· π) Β· ((2 Β· π) β 1)) / (π Β· π))) |
193 | 63 | sqvald 14105 |
. . . . . . . . . 10
β’ (π β β β (πβ2) = (π Β· π)) |
194 | 193 | oveq2d 7422 |
. . . . . . . . 9
β’ (π β β β (((2
Β· π) Β· ((2
Β· π) β 1)) /
(πβ2)) = (((2 Β·
π) Β· ((2 Β·
π) β 1)) / (π Β· π))) |
195 | 192, 194 | eqtr4d 2776 |
. . . . . . . 8
β’ (π β β β (((2
Β· π) / π) Β· (((2 Β· π) β 1) / π)) = (((2 Β· π) Β· ((2 Β· π) β 1)) / (πβ2))) |
196 | 195 | oveq2d 7422 |
. . . . . . 7
β’ (π β β β
(((Οβ2) / 6) Β· (((2 Β· π) / π) Β· (((2 Β· π) β 1) / π))) = (((Οβ2) / 6) Β· (((2
Β· π) Β· ((2
Β· π) β 1)) /
(πβ2)))) |
197 | 188, 191,
196 | 3eqtr4d 2783 |
. . . . . 6
β’ (π β β β (((Ο /
π)β2) Β· (((2
Β· π) Β· ((2
Β· π) β 1)) /
6)) = (((Οβ2) / 6) Β· (((2 Β· π) / π) Β· (((2 Β· π) β 1) / π)))) |
198 | 145, 170,
197 | 3eqtr4d 2783 |
. . . . 5
β’ (π β β β
((((Οβ2) / 6) Β· (1 β (1 / π))) Β· (1 + (-2 Β· (1 / π)))) = (((Ο / π)β2) Β· (((2 Β·
π) Β· ((2 Β·
π) β 1)) /
6))) |
199 | | eqid 2733 |
. . . . . . 7
β’ (π₯ β β β¦
Ξ£π β (0...π)(((πC(2 Β· π)) Β· (-1β(π β π))) Β· (π₯βπ))) = (π₯ β β β¦ Ξ£π β (0...π)(((πC(2 Β· π)) Β· (-1β(π β π))) Β· (π₯βπ))) |
200 | | eqid 2733 |
. . . . . . 7
β’ (π β (1...π) β¦ ((tanβ((π Β· Ο) / π))β-2)) = (π β (1...π) β¦ ((tanβ((π Β· Ο) / π))β-2)) |
201 | 3, 199, 200 | basellem5 26579 |
. . . . . 6
β’ (π β β β
Ξ£π β (1...π)((tanβ((π Β· Ο) / π))β-2) = (((2 Β·
π) Β· ((2 Β·
π) β 1)) /
6)) |
202 | 201 | oveq2d 7422 |
. . . . 5
β’ (π β β β (((Ο /
π)β2) Β·
Ξ£π β (1...π)((tanβ((π Β· Ο) / π))β-2)) = (((Ο / π)β2) Β· (((2 Β·
π) Β· ((2 Β·
π) β 1)) /
6))) |
203 | 198, 202 | eqtr4d 2776 |
. . . 4
β’ (π β β β
((((Οβ2) / 6) Β· (1 β (1 / π))) Β· (1 + (-2 Β· (1 / π)))) = (((Ο / π)β2) Β· Ξ£π β (1...π)((tanβ((π Β· Ο) / π))β-2))) |
204 | 22 | recnd 11239 |
. . . . 5
β’ ((π β β β§ π β (1...π)) β ((tanβ((π Β· Ο) / π))β-2) β β) |
205 | 1, 35, 204 | fsummulc2 15727 |
. . . 4
β’ (π β β β (((Ο /
π)β2) Β·
Ξ£π β (1...π)((tanβ((π Β· Ο) / π))β-2)) = Ξ£π β (1...π)(((Ο / π)β2) Β· ((tanβ((π Β· Ο) / π))β-2))) |
206 | 136, 203,
205 | 3eqtrd 2777 |
. . 3
β’ (π β β β (π½βπ) = Ξ£π β (1...π)(((Ο / π)β2) Β· ((tanβ((π Β· Ο) / π))β-2))) |
207 | | basel.f |
. . . . 5
β’ πΉ = seq1( + , (π β β β¦ (πβ-2))) |
208 | 207 | fveq1i 6890 |
. . . 4
β’ (πΉβπ) = (seq1( + , (π β β β¦ (πβ-2)))βπ) |
209 | | oveq1 7413 |
. . . . . . 7
β’ (π = π β (πβ-2) = (πβ-2)) |
210 | | eqid 2733 |
. . . . . . 7
β’ (π β β β¦ (πβ-2)) = (π β β β¦ (πβ-2)) |
211 | | ovex 7439 |
. . . . . . 7
β’ (πβ-2) β
V |
212 | 209, 210,
211 | fvmpt 6996 |
. . . . . 6
β’ (π β β β ((π β β β¦ (πβ-2))βπ) = (πβ-2)) |
213 | 25, 212 | syl 17 |
. . . . 5
β’ ((π β β β§ π β (1...π)) β ((π β β β¦ (πβ-2))βπ) = (πβ-2)) |
214 | | id 22 |
. . . . . 6
β’ (π β β β π β
β) |
215 | | nnuz 12862 |
. . . . . 6
β’ β =
(β€β₯β1) |
216 | 214, 215 | eleqtrdi 2844 |
. . . . 5
β’ (π β β β π β
(β€β₯β1)) |
217 | 213, 216,
58 | fsumser 15673 |
. . . 4
β’ (π β β β
Ξ£π β (1...π)(πβ-2) = (seq1( + , (π β β β¦ (πβ-2)))βπ)) |
218 | 208, 217 | eqtr4id 2792 |
. . 3
β’ (π β β β (πΉβπ) = Ξ£π β (1...π)(πβ-2)) |
219 | 91, 206, 218 | 3brtr4d 5180 |
. 2
β’ (π β β β (π½βπ) β€ (πΉβπ)) |
220 | 75 | resincld 16083 |
. . . . . 6
β’ ((π β β β§ π β (1...π)) β (sinβ((π Β· Ο) / π)) β β) |
221 | | sincosq1sgn 26000 |
. . . . . . . . 9
β’ (((π Β· Ο) / π) β (0(,)(Ο / 2)) β
(0 < (sinβ((π
Β· Ο) / π)) β§
0 < (cosβ((π
Β· Ο) / π)))) |
222 | 13, 221 | syl 17 |
. . . . . . . 8
β’ ((π β β β§ π β (1...π)) β (0 < (sinβ((π Β· Ο) / π)) β§ 0 <
(cosβ((π Β·
Ο) / π)))) |
223 | 222 | simpld 496 |
. . . . . . 7
β’ ((π β β β§ π β (1...π)) β 0 < (sinβ((π Β· Ο) / π))) |
224 | 223 | gt0ne0d 11775 |
. . . . . 6
β’ ((π β β β§ π β (1...π)) β (sinβ((π Β· Ο) / π)) β 0) |
225 | 220, 224,
21 | reexpclzd 14209 |
. . . . 5
β’ ((π β β β§ π β (1...π)) β ((sinβ((π Β· Ο) / π))β-2) β β) |
226 | 12, 225 | remulcld 11241 |
. . . 4
β’ ((π β β β§ π β (1...π)) β (((Ο / π)β2) Β· ((sinβ((π Β· Ο) / π))β-2)) β
β) |
227 | | sinltx 16129 |
. . . . . . . . . 10
β’ (((π Β· Ο) / π) β β+
β (sinβ((π
Β· Ο) / π)) <
((π Β· Ο) / π)) |
228 | 82, 227 | syl 17 |
. . . . . . . . 9
β’ ((π β β β§ π β (1...π)) β (sinβ((π Β· Ο) / π)) < ((π Β· Ο) / π)) |
229 | 220, 75, 228 | ltled 11359 |
. . . . . . . 8
β’ ((π β β β§ π β (1...π)) β (sinβ((π Β· Ο) / π)) β€ ((π Β· Ο) / π)) |
230 | | 0re 11213 |
. . . . . . . . . . 11
β’ 0 β
β |
231 | | ltle 11299 |
. . . . . . . . . . 11
β’ ((0
β β β§ (sinβ((π Β· Ο) / π)) β β) β (0 <
(sinβ((π Β·
Ο) / π)) β 0 β€
(sinβ((π Β·
Ο) / π)))) |
232 | 230, 220,
231 | sylancr 588 |
. . . . . . . . . 10
β’ ((π β β β§ π β (1...π)) β (0 < (sinβ((π Β· Ο) / π)) β 0 β€
(sinβ((π Β·
Ο) / π)))) |
233 | 223, 232 | mpd 15 |
. . . . . . . . 9
β’ ((π β β β§ π β (1...π)) β 0 β€ (sinβ((π Β· Ο) / π))) |
234 | 220, 75, 233, 83 | le2sqd 14217 |
. . . . . . . 8
β’ ((π β β β§ π β (1...π)) β ((sinβ((π Β· Ο) / π)) β€ ((π Β· Ο) / π) β ((sinβ((π Β· Ο) / π))β2) β€ (((π Β· Ο) / π)β2))) |
235 | 229, 234 | mpbid 231 |
. . . . . . 7
β’ ((π β β β§ π β (1...π)) β ((sinβ((π Β· Ο) / π))β2) β€ (((π Β· Ο) / π)β2)) |
236 | 235, 73 | breqtrrd 5176 |
. . . . . 6
β’ ((π β β β§ π β (1...π)) β ((sinβ((π Β· Ο) / π))β2) β€ (((Ο / π)β2) / (πβ-2))) |
237 | 220 | resqcld 14087 |
. . . . . . . 8
β’ ((π β β β§ π β (1...π)) β ((sinβ((π Β· Ο) / π))β2) β β) |
238 | 237, 12, 46 | lemuldiv2d 13063 |
. . . . . . 7
β’ ((π β β β§ π β (1...π)) β (((πβ-2) Β· ((sinβ((π Β· Ο) / π))β2)) β€ ((Ο / π)β2) β
((sinβ((π Β·
Ο) / π))β2) β€
(((Ο / π)β2) /
(πβ-2)))) |
239 | 220, 223 | elrpd 13010 |
. . . . . . . . 9
β’ ((π β β β§ π β (1...π)) β (sinβ((π Β· Ο) / π)) β
β+) |
240 | | rpexpcl 14043 |
. . . . . . . . 9
β’
(((sinβ((π
Β· Ο) / π)) β
β+ β§ 2 β β€) β ((sinβ((π Β· Ο) / π))β2) β
β+) |
241 | 239, 18, 240 | sylancl 587 |
. . . . . . . 8
β’ ((π β β β§ π β (1...π)) β ((sinβ((π Β· Ο) / π))β2) β
β+) |
242 | 28, 12, 241 | lemuldivd 13062 |
. . . . . . 7
β’ ((π β β β§ π β (1...π)) β (((πβ-2) Β· ((sinβ((π Β· Ο) / π))β2)) β€ ((Ο / π)β2) β (πβ-2) β€ (((Ο / π)β2) / ((sinβ((π Β· Ο) / π))β2)))) |
243 | 238, 242 | bitr3d 281 |
. . . . . 6
β’ ((π β β β§ π β (1...π)) β (((sinβ((π Β· Ο) / π))β2) β€ (((Ο / π)β2) / (πβ-2)) β (πβ-2) β€ (((Ο / π)β2) / ((sinβ((π Β· Ο) / π))β2)))) |
244 | 236, 243 | mpbid 231 |
. . . . 5
β’ ((π β β β§ π β (1...π)) β (πβ-2) β€ (((Ο / π)β2) / ((sinβ((π Β· Ο) / π))β2))) |
245 | 220 | recnd 11239 |
. . . . . . . 8
β’ ((π β β β§ π β (1...π)) β (sinβ((π Β· Ο) / π)) β β) |
246 | | expneg 14032 |
. . . . . . . 8
β’
(((sinβ((π
Β· Ο) / π)) β
β β§ 2 β β0) β ((sinβ((π Β· Ο) / π))β-2) = (1 /
((sinβ((π Β·
Ο) / π))β2))) |
247 | 245, 30, 246 | sylancl 587 |
. . . . . . 7
β’ ((π β β β§ π β (1...π)) β ((sinβ((π Β· Ο) / π))β-2) = (1 / ((sinβ((π Β· Ο) / π))β2))) |
248 | 247 | oveq2d 7422 |
. . . . . 6
β’ ((π β β β§ π β (1...π)) β (((Ο / π)β2) Β· ((sinβ((π Β· Ο) / π))β-2)) = (((Ο / π)β2) Β· (1 /
((sinβ((π Β·
Ο) / π))β2)))) |
249 | 237 | recnd 11239 |
. . . . . . 7
β’ ((π β β β§ π β (1...π)) β ((sinβ((π Β· Ο) / π))β2) β β) |
250 | 241 | rpne0d 13018 |
. . . . . . 7
β’ ((π β β β§ π β (1...π)) β ((sinβ((π Β· Ο) / π))β2) β 0) |
251 | 36, 249, 250 | divrecd 11990 |
. . . . . 6
β’ ((π β β β§ π β (1...π)) β (((Ο / π)β2) / ((sinβ((π Β· Ο) / π))β2)) = (((Ο / π)β2) Β· (1 / ((sinβ((π Β· Ο) / π))β2)))) |
252 | 248, 251 | eqtr4d 2776 |
. . . . 5
β’ ((π β β β§ π β (1...π)) β (((Ο / π)β2) Β· ((sinβ((π Β· Ο) / π))β-2)) = (((Ο / π)β2) / ((sinβ((π Β· Ο) / π))β2))) |
253 | 244, 252 | breqtrrd 5176 |
. . . 4
β’ ((π β β β§ π β (1...π)) β (πβ-2) β€ (((Ο / π)β2) Β· ((sinβ((π Β· Ο) / π))β-2))) |
254 | 1, 28, 226, 253 | fsumle 15742 |
. . 3
β’ (π β β β
Ξ£π β (1...π)(πβ-2) β€ Ξ£π β (1...π)(((Ο / π)β2) Β· ((sinβ((π Β· Ο) / π))β-2))) |
255 | 95 | oveq2d 7422 |
. . . . . 6
β’ (π = π β (1 + (1 / ((2 Β· π) + 1))) = (1 + (1 / π))) |
256 | 97, 255 | oveq12d 7424 |
. . . . 5
β’ (π = π β ((((Οβ2) / 6) Β· (1
β (1 / ((2 Β· π) + 1)))) Β· (1 + (1 / ((2 Β·
π) + 1)))) =
((((Οβ2) / 6) Β· (1 β (1 / π))) Β· (1 + (1 / π)))) |
257 | | basel.k |
. . . . . 6
β’ πΎ = (π» βf Β· ((β
Γ {1}) βf + πΊ)) |
258 | | ovexd 7441 |
. . . . . . . 8
β’
((β€ β§ π
β β) β (1 + (1 / ((2 Β· π) + 1))) β V) |
259 | 103, 116,
117, 119, 121 | offval2 7687 |
. . . . . . . 8
β’ (β€
β ((β Γ {1}) βf + πΊ) = (π β β β¦ (1 + (1 / ((2
Β· π) +
1))))) |
260 | 103, 104,
258, 124, 259 | offval2 7687 |
. . . . . . 7
β’ (β€
β (π»
βf Β· ((β Γ {1}) βf + πΊ)) = (π β β β¦ ((((Οβ2) / 6)
Β· (1 β (1 / ((2 Β· π) + 1)))) Β· (1 + (1 / ((2 Β·
π) +
1)))))) |
261 | 260 | mptru 1549 |
. . . . . 6
β’ (π» βf Β·
((β Γ {1}) βf + πΊ)) = (π β β β¦ ((((Οβ2) / 6)
Β· (1 β (1 / ((2 Β· π) + 1)))) Β· (1 + (1 / ((2 Β·
π) +
1))))) |
262 | 257, 261 | eqtri 2761 |
. . . . 5
β’ πΎ = (π β β β¦ ((((Οβ2) / 6)
Β· (1 β (1 / ((2 Β· π) + 1)))) Β· (1 + (1 / ((2 Β·
π) +
1))))) |
263 | | ovex 7439 |
. . . . 5
β’
((((Οβ2) / 6) Β· (1 β (1 / π))) Β· (1 + (1 / π))) β V |
264 | 256, 262,
263 | fvmpt 6996 |
. . . 4
β’ (π β β β (πΎβπ) = ((((Οβ2) / 6) Β· (1
β (1 / π))) Β·
(1 + (1 / π)))) |
265 | | peano2cn 11383 |
. . . . . . . 8
β’ (π β β β (π + 1) β
β) |
266 | 63, 265 | syl 17 |
. . . . . . 7
β’ (π β β β (π + 1) β
β) |
267 | 266, 63, 64 | divcld 11987 |
. . . . . 6
β’ (π β β β ((π + 1) / π) β β) |
268 | 138, 140,
267 | mulassd 11234 |
. . . . 5
β’ (π β β β
((((Οβ2) / 6) Β· ((2 Β· π) / π)) Β· ((π + 1) / π)) = (((Οβ2) / 6) Β· (((2
Β· π) / π) Β· ((π + 1) / π)))) |
269 | 63, 146, 63, 64 | divdird 12025 |
. . . . . . 7
β’ (π β β β ((π + 1) / π) = ((π / π) + (1 / π))) |
270 | 153 | oveq1d 7421 |
. . . . . . 7
β’ (π β β β ((π / π) + (1 / π)) = (1 + (1 / π))) |
271 | 269, 270 | eqtr2d 2774 |
. . . . . 6
β’ (π β β β (1 + (1 /
π)) = ((π + 1) / π)) |
272 | 156, 271 | oveq12d 7424 |
. . . . 5
β’ (π β β β
((((Οβ2) / 6) Β· (1 β (1 / π))) Β· (1 + (1 / π))) = ((((Οβ2) / 6) Β· ((2
Β· π) / π)) Β· ((π + 1) / π))) |
273 | 175 | oveq2d 7422 |
. . . . . . 7
β’ (π β β β
(((Οβ2) Β· ((2 Β· π) Β· (π + 1))) / ((πβ2) Β· 6)) = (((Οβ2)
Β· ((2 Β· π)
Β· (π + 1))) / (6
Β· (πβ2)))) |
274 | 139, 266 | mulcld 11231 |
. . . . . . . 8
β’ (π β β β ((2
Β· π) Β· (π + 1)) β
β) |
275 | | divmuldiv 11911 |
. . . . . . . 8
β’
((((Οβ2) β β β§ ((2 Β· π) Β· (π + 1)) β β) β§ (((πβ2) β β β§
(πβ2) β 0) β§ (6
β β β§ 6 β 0))) β (((Οβ2) / (πβ2)) Β· (((2 Β· π) Β· (π + 1)) / 6)) = (((Οβ2) Β· ((2
Β· π) Β· (π + 1))) / ((πβ2) Β· 6))) |
276 | 178, 274,
181, 183, 275 | syl22anc 838 |
. . . . . . 7
β’ (π β β β
(((Οβ2) / (πβ2)) Β· (((2 Β· π) Β· (π + 1)) / 6)) = (((Οβ2) Β· ((2
Β· π) Β· (π + 1))) / ((πβ2) Β· 6))) |
277 | | divmuldiv 11911 |
. . . . . . . 8
β’
((((Οβ2) β β β§ ((2 Β· π) Β· (π + 1)) β β) β§ ((6 β
β β§ 6 β 0) β§ ((πβ2) β β β§ (πβ2) β 0))) β
(((Οβ2) / 6) Β· (((2 Β· π) Β· (π + 1)) / (πβ2))) = (((Οβ2) Β· ((2
Β· π) Β· (π + 1))) / (6 Β· (πβ2)))) |
278 | 178, 274,
183, 181, 277 | syl22anc 838 |
. . . . . . 7
β’ (π β β β
(((Οβ2) / 6) Β· (((2 Β· π) Β· (π + 1)) / (πβ2))) = (((Οβ2) Β· ((2
Β· π) Β· (π + 1))) / (6 Β· (πβ2)))) |
279 | 273, 276,
278 | 3eqtr4d 2783 |
. . . . . 6
β’ (π β β β
(((Οβ2) / (πβ2)) Β· (((2 Β· π) Β· (π + 1)) / 6)) = (((Οβ2) / 6) Β·
(((2 Β· π) Β·
(π + 1)) / (πβ2)))) |
280 | 75 | recoscld 16084 |
. . . . . . . . . . . . . . 15
β’ ((π β β β§ π β (1...π)) β (cosβ((π Β· Ο) / π)) β β) |
281 | 280 | recnd 11239 |
. . . . . . . . . . . . . 14
β’ ((π β β β§ π β (1...π)) β (cosβ((π Β· Ο) / π)) β β) |
282 | 281 | sqcld 14106 |
. . . . . . . . . . . . 13
β’ ((π β β β§ π β (1...π)) β ((cosβ((π Β· Ο) / π))β2) β β) |
283 | 249, 282,
249, 250 | divdird 12025 |
. . . . . . . . . . . 12
β’ ((π β β β§ π β (1...π)) β ((((sinβ((π Β· Ο) / π))β2) + ((cosβ((π Β· Ο) / π))β2)) /
((sinβ((π Β·
Ο) / π))β2)) =
((((sinβ((π Β·
Ο) / π))β2) /
((sinβ((π Β·
Ο) / π))β2)) +
(((cosβ((π Β·
Ο) / π))β2) /
((sinβ((π Β·
Ο) / π))β2)))) |
284 | 75 | recnd 11239 |
. . . . . . . . . . . . . 14
β’ ((π β β β§ π β (1...π)) β ((π Β· Ο) / π) β β) |
285 | | sincossq 16116 |
. . . . . . . . . . . . . 14
β’ (((π Β· Ο) / π) β β β
(((sinβ((π Β·
Ο) / π))β2) +
((cosβ((π Β·
Ο) / π))β2)) =
1) |
286 | 284, 285 | syl 17 |
. . . . . . . . . . . . 13
β’ ((π β β β§ π β (1...π)) β (((sinβ((π Β· Ο) / π))β2) + ((cosβ((π Β· Ο) / π))β2)) =
1) |
287 | 286 | oveq1d 7421 |
. . . . . . . . . . . 12
β’ ((π β β β§ π β (1...π)) β ((((sinβ((π Β· Ο) / π))β2) + ((cosβ((π Β· Ο) / π))β2)) /
((sinβ((π Β·
Ο) / π))β2)) = (1 /
((sinβ((π Β·
Ο) / π))β2))) |
288 | 249, 250 | dividd 11985 |
. . . . . . . . . . . . 13
β’ ((π β β β§ π β (1...π)) β (((sinβ((π Β· Ο) / π))β2) / ((sinβ((π Β· Ο) / π))β2)) =
1) |
289 | 222 | simprd 497 |
. . . . . . . . . . . . . . . . . . 19
β’ ((π β β β§ π β (1...π)) β 0 < (cosβ((π Β· Ο) / π))) |
290 | 289 | gt0ne0d 11775 |
. . . . . . . . . . . . . . . . . 18
β’ ((π β β β§ π β (1...π)) β (cosβ((π Β· Ο) / π)) β 0) |
291 | | tanval 16068 |
. . . . . . . . . . . . . . . . . 18
β’ ((((π Β· Ο) / π) β β β§
(cosβ((π Β·
Ο) / π)) β 0) β
(tanβ((π Β·
Ο) / π)) =
((sinβ((π Β·
Ο) / π)) /
(cosβ((π Β·
Ο) / π)))) |
292 | 284, 290,
291 | syl2anc 585 |
. . . . . . . . . . . . . . . . 17
β’ ((π β β β§ π β (1...π)) β (tanβ((π Β· Ο) / π)) = ((sinβ((π Β· Ο) / π)) / (cosβ((π Β· Ο) / π)))) |
293 | 292 | oveq1d 7421 |
. . . . . . . . . . . . . . . 16
β’ ((π β β β§ π β (1...π)) β ((tanβ((π Β· Ο) / π))β2) = (((sinβ((π Β· Ο) / π)) / (cosβ((π Β· Ο) / π)))β2)) |
294 | 245, 281,
290 | sqdivd 14121 |
. . . . . . . . . . . . . . . 16
β’ ((π β β β§ π β (1...π)) β (((sinβ((π Β· Ο) / π)) / (cosβ((π Β· Ο) / π)))β2) = (((sinβ((π Β· Ο) / π))β2) / ((cosβ((π Β· Ο) / π))β2))) |
295 | 293, 294 | eqtrd 2773 |
. . . . . . . . . . . . . . 15
β’ ((π β β β§ π β (1...π)) β ((tanβ((π Β· Ο) / π))β2) = (((sinβ((π Β· Ο) / π))β2) / ((cosβ((π Β· Ο) / π))β2))) |
296 | 295 | oveq2d 7422 |
. . . . . . . . . . . . . 14
β’ ((π β β β§ π β (1...π)) β (1 / ((tanβ((π Β· Ο) / π))β2)) = (1 /
(((sinβ((π Β·
Ο) / π))β2) /
((cosβ((π Β·
Ο) / π))β2)))) |
297 | | sqne0 14085 |
. . . . . . . . . . . . . . . . 17
β’
((cosβ((π
Β· Ο) / π)) β
β β (((cosβ((π Β· Ο) / π))β2) β 0 β (cosβ((π Β· Ο) / π)) β 0)) |
298 | 281, 297 | syl 17 |
. . . . . . . . . . . . . . . 16
β’ ((π β β β§ π β (1...π)) β (((cosβ((π Β· Ο) / π))β2) β 0 β (cosβ((π Β· Ο) / π)) β 0)) |
299 | 290, 298 | mpbird 257 |
. . . . . . . . . . . . . . 15
β’ ((π β β β§ π β (1...π)) β ((cosβ((π Β· Ο) / π))β2) β 0) |
300 | 249, 282,
250, 299 | recdivd 12004 |
. . . . . . . . . . . . . 14
β’ ((π β β β§ π β (1...π)) β (1 / (((sinβ((π Β· Ο) / π))β2) / ((cosβ((π Β· Ο) / π))β2))) =
(((cosβ((π Β·
Ο) / π))β2) /
((sinβ((π Β·
Ο) / π))β2))) |
301 | 32, 296, 300 | 3eqtrrd 2778 |
. . . . . . . . . . . . 13
β’ ((π β β β§ π β (1...π)) β (((cosβ((π Β· Ο) / π))β2) / ((sinβ((π Β· Ο) / π))β2)) =
((tanβ((π Β·
Ο) / π))β-2)) |
302 | 288, 301 | oveq12d 7424 |
. . . . . . . . . . . 12
β’ ((π β β β§ π β (1...π)) β ((((sinβ((π Β· Ο) / π))β2) / ((sinβ((π Β· Ο) / π))β2)) +
(((cosβ((π Β·
Ο) / π))β2) /
((sinβ((π Β·
Ο) / π))β2))) = (1
+ ((tanβ((π Β·
Ο) / π))β-2))) |
303 | 283, 287,
302 | 3eqtr3d 2781 |
. . . . . . . . . . 11
β’ ((π β β β§ π β (1...π)) β (1 / ((sinβ((π Β· Ο) / π))β2)) = (1 +
((tanβ((π Β·
Ο) / π))β-2))) |
304 | | addcom 11397 |
. . . . . . . . . . . 12
β’ ((1
β β β§ ((tanβ((π Β· Ο) / π))β-2) β β) β (1 +
((tanβ((π Β·
Ο) / π))β-2)) =
(((tanβ((π Β·
Ο) / π))β-2) +
1)) |
305 | 141, 204,
304 | sylancr 588 |
. . . . . . . . . . 11
β’ ((π β β β§ π β (1...π)) β (1 + ((tanβ((π Β· Ο) / π))β-2)) =
(((tanβ((π Β·
Ο) / π))β-2) +
1)) |
306 | 247, 303,
305 | 3eqtrd 2777 |
. . . . . . . . . 10
β’ ((π β β β§ π β (1...π)) β ((sinβ((π Β· Ο) / π))β-2) = (((tanβ((π Β· Ο) / π))β-2) +
1)) |
307 | 306 | sumeq2dv 15646 |
. . . . . . . . 9
β’ (π β β β
Ξ£π β (1...π)((sinβ((π Β· Ο) / π))β-2) = Ξ£π β (1...π)(((tanβ((π Β· Ο) / π))β-2) + 1)) |
308 | | 1cnd 11206 |
. . . . . . . . . 10
β’ ((π β β β§ π β (1...π)) β 1 β β) |
309 | 1, 204, 308 | fsumadd 15683 |
. . . . . . . . 9
β’ (π β β β
Ξ£π β (1...π)(((tanβ((π Β· Ο) / π))β-2) + 1) = (Ξ£π β (1...π)((tanβ((π Β· Ο) / π))β-2) + Ξ£π β (1...π)1)) |
310 | | fsumconst 15733 |
. . . . . . . . . . . 12
β’
(((1...π) β Fin
β§ 1 β β) β Ξ£π β (1...π)1 = ((β―β(1...π)) Β· 1)) |
311 | 1, 141, 310 | sylancl 587 |
. . . . . . . . . . 11
β’ (π β β β
Ξ£π β (1...π)1 = ((β―β(1...π)) Β· 1)) |
312 | | nnnn0 12476 |
. . . . . . . . . . . . 13
β’ (π β β β π β
β0) |
313 | | hashfz1 14303 |
. . . . . . . . . . . . 13
β’ (π β β0
β (β―β(1...π)) = π) |
314 | 312, 313 | syl 17 |
. . . . . . . . . . . 12
β’ (π β β β
(β―β(1...π)) =
π) |
315 | 314 | oveq1d 7421 |
. . . . . . . . . . 11
β’ (π β β β
((β―β(1...π))
Β· 1) = (π Β·
1)) |
316 | | nncn 12217 |
. . . . . . . . . . . 12
β’ (π β β β π β
β) |
317 | 316 | mulridd 11228 |
. . . . . . . . . . 11
β’ (π β β β (π Β· 1) = π) |
318 | 311, 315,
317 | 3eqtrd 2777 |
. . . . . . . . . 10
β’ (π β β β
Ξ£π β (1...π)1 = π) |
319 | 201, 318 | oveq12d 7424 |
. . . . . . . . 9
β’ (π β β β
(Ξ£π β (1...π)((tanβ((π Β· Ο) / π))β-2) + Ξ£π β (1...π)1) = ((((2 Β· π) Β· ((2 Β· π) β 1)) / 6) + π)) |
320 | 307, 309,
319 | 3eqtrd 2777 |
. . . . . . . 8
β’ (π β β β
Ξ£π β (1...π)((sinβ((π Β· Ο) / π))β-2) = ((((2 Β·
π) Β· ((2 Β·
π) β 1)) / 6) + π)) |
321 | | 3cn 12290 |
. . . . . . . . . . . . 13
β’ 3 β
β |
322 | 321 | a1i 11 |
. . . . . . . . . . . 12
β’ (π β β β 3 β
β) |
323 | 139, 143,
322 | adddid 11235 |
. . . . . . . . . . 11
β’ (π β β β ((2
Β· π) Β· (((2
Β· π) β 1) +
3)) = (((2 Β· π)
Β· ((2 Β· π)
β 1)) + ((2 Β· π) Β· 3))) |
324 | | df-3 12273 |
. . . . . . . . . . . . . . . . 17
β’ 3 = (2 +
1) |
325 | 324 | oveq1i 7416 |
. . . . . . . . . . . . . . . 16
β’ (3
β 1) = ((2 + 1) β 1) |
326 | 49, 141 | pncan3oi 11473 |
. . . . . . . . . . . . . . . 16
β’ ((2 + 1)
β 1) = 2 |
327 | 325, 326,
161 | 3eqtri 2765 |
. . . . . . . . . . . . . . 15
β’ (3
β 1) = (1 + 1) |
328 | 327 | oveq2i 7417 |
. . . . . . . . . . . . . 14
β’ ((2
Β· π) + (3 β
1)) = ((2 Β· π) + (1
+ 1)) |
329 | 139, 146,
322 | subadd23d 11590 |
. . . . . . . . . . . . . 14
β’ (π β β β (((2
Β· π) β 1) + 3)
= ((2 Β· π) + (3
β 1))) |
330 | 139, 146,
146 | addassd 11233 |
. . . . . . . . . . . . . 14
β’ (π β β β (((2
Β· π) + 1) + 1) = ((2
Β· π) + (1 +
1))) |
331 | 328, 329,
330 | 3eqtr4a 2799 |
. . . . . . . . . . . . 13
β’ (π β β β (((2
Β· π) β 1) + 3)
= (((2 Β· π) + 1) +
1)) |
332 | 3 | oveq1i 7416 |
. . . . . . . . . . . . 13
β’ (π + 1) = (((2 Β· π) + 1) + 1) |
333 | 331, 332 | eqtr4di 2791 |
. . . . . . . . . . . 12
β’ (π β β β (((2
Β· π) β 1) + 3)
= (π + 1)) |
334 | 333 | oveq2d 7422 |
. . . . . . . . . . 11
β’ (π β β β ((2
Β· π) Β· (((2
Β· π) β 1) +
3)) = ((2 Β· π)
Β· (π +
1))) |
335 | | 2cnd 12287 |
. . . . . . . . . . . . . 14
β’ (π β β β 2 β
β) |
336 | 335, 316,
322 | mul32d 11421 |
. . . . . . . . . . . . 13
β’ (π β β β ((2
Β· π) Β· 3) =
((2 Β· 3) Β· π)) |
337 | | 3t2e6 12375 |
. . . . . . . . . . . . . . 15
β’ (3
Β· 2) = 6 |
338 | 321, 49 | mulcomi 11219 |
. . . . . . . . . . . . . . 15
β’ (3
Β· 2) = (2 Β· 3) |
339 | 337, 338 | eqtr3i 2763 |
. . . . . . . . . . . . . 14
β’ 6 = (2
Β· 3) |
340 | 339 | oveq1i 7416 |
. . . . . . . . . . . . 13
β’ (6
Β· π) = ((2 Β·
3) Β· π) |
341 | 336, 340 | eqtr4di 2791 |
. . . . . . . . . . . 12
β’ (π β β β ((2
Β· π) Β· 3) =
(6 Β· π)) |
342 | 341 | oveq2d 7422 |
. . . . . . . . . . 11
β’ (π β β β (((2
Β· π) Β· ((2
Β· π) β 1)) +
((2 Β· π) Β·
3)) = (((2 Β· π)
Β· ((2 Β· π)
β 1)) + (6 Β· π))) |
343 | 323, 334,
342 | 3eqtr3d 2781 |
. . . . . . . . . 10
β’ (π β β β ((2
Β· π) Β· (π + 1)) = (((2 Β· π) Β· ((2 Β· π) β 1)) + (6 Β·
π))) |
344 | 343 | oveq1d 7421 |
. . . . . . . . 9
β’ (π β β β (((2
Β· π) Β· (π + 1)) / 6) = ((((2 Β·
π) Β· ((2 Β·
π) β 1)) + (6
Β· π)) /
6)) |
345 | | mulcl 11191 |
. . . . . . . . . . 11
β’ ((6
β β β§ π
β β) β (6 Β· π) β β) |
346 | 173, 316,
345 | sylancr 588 |
. . . . . . . . . 10
β’ (π β β β (6
Β· π) β
β) |
347 | 173 | a1i 11 |
. . . . . . . . . 10
β’ (π β β β 6 β
β) |
348 | 110 | a1i 11 |
. . . . . . . . . 10
β’ (π β β β 6 β
0) |
349 | 179, 346,
347, 348 | divdird 12025 |
. . . . . . . . 9
β’ (π β β β ((((2
Β· π) Β· ((2
Β· π) β 1)) +
(6 Β· π)) / 6) =
((((2 Β· π) Β·
((2 Β· π) β 1))
/ 6) + ((6 Β· π) /
6))) |
350 | 316, 347,
348 | divcan3d 11992 |
. . . . . . . . . 10
β’ (π β β β ((6
Β· π) / 6) = π) |
351 | 350 | oveq2d 7422 |
. . . . . . . . 9
β’ (π β β β ((((2
Β· π) Β· ((2
Β· π) β 1)) /
6) + ((6 Β· π) / 6))
= ((((2 Β· π)
Β· ((2 Β· π)
β 1)) / 6) + π)) |
352 | 344, 349,
351 | 3eqtrd 2777 |
. . . . . . . 8
β’ (π β β β (((2
Β· π) Β· (π + 1)) / 6) = ((((2 Β·
π) Β· ((2 Β·
π) β 1)) / 6) + π)) |
353 | 320, 352 | eqtr4d 2776 |
. . . . . . 7
β’ (π β β β
Ξ£π β (1...π)((sinβ((π Β· Ο) / π))β-2) = (((2 Β·
π) Β· (π + 1)) / 6)) |
354 | 190, 353 | oveq12d 7424 |
. . . . . 6
β’ (π β β β (((Ο /
π)β2) Β·
Ξ£π β (1...π)((sinβ((π Β· Ο) / π))β-2)) = (((Οβ2) /
(πβ2)) Β· (((2
Β· π) Β· (π + 1)) / 6))) |
355 | 139, 63, 266, 63, 64, 64 | divmuldivd 12028 |
. . . . . . . 8
β’ (π β β β (((2
Β· π) / π) Β· ((π + 1) / π)) = (((2 Β· π) Β· (π + 1)) / (π Β· π))) |
356 | 193 | oveq2d 7422 |
. . . . . . . 8
β’ (π β β β (((2
Β· π) Β· (π + 1)) / (πβ2)) = (((2 Β· π) Β· (π + 1)) / (π Β· π))) |
357 | 355, 356 | eqtr4d 2776 |
. . . . . . 7
β’ (π β β β (((2
Β· π) / π) Β· ((π + 1) / π)) = (((2 Β· π) Β· (π + 1)) / (πβ2))) |
358 | 357 | oveq2d 7422 |
. . . . . 6
β’ (π β β β
(((Οβ2) / 6) Β· (((2 Β· π) / π) Β· ((π + 1) / π))) = (((Οβ2) / 6) Β· (((2
Β· π) Β· (π + 1)) / (πβ2)))) |
359 | 279, 354,
358 | 3eqtr4d 2783 |
. . . . 5
β’ (π β β β (((Ο /
π)β2) Β·
Ξ£π β (1...π)((sinβ((π Β· Ο) / π))β-2)) = (((Οβ2) /
6) Β· (((2 Β· π) / π) Β· ((π + 1) / π)))) |
360 | 268, 272,
359 | 3eqtr4d 2783 |
. . . 4
β’ (π β β β
((((Οβ2) / 6) Β· (1 β (1 / π))) Β· (1 + (1 / π))) = (((Ο / π)β2) Β· Ξ£π β (1...π)((sinβ((π Β· Ο) / π))β-2))) |
361 | 225 | recnd 11239 |
. . . . 5
β’ ((π β β β§ π β (1...π)) β ((sinβ((π Β· Ο) / π))β-2) β β) |
362 | 1, 35, 361 | fsummulc2 15727 |
. . . 4
β’ (π β β β (((Ο /
π)β2) Β·
Ξ£π β (1...π)((sinβ((π Β· Ο) / π))β-2)) = Ξ£π β (1...π)(((Ο / π)β2) Β· ((sinβ((π Β· Ο) / π))β-2))) |
363 | 264, 360,
362 | 3eqtrd 2777 |
. . 3
β’ (π β β β (πΎβπ) = Ξ£π β (1...π)(((Ο / π)β2) Β· ((sinβ((π Β· Ο) / π))β-2))) |
364 | 254, 218,
363 | 3brtr4d 5180 |
. 2
β’ (π β β β (πΉβπ) β€ (πΎβπ)) |
365 | 219, 364 | jca 513 |
1
β’ (π β β β ((π½βπ) β€ (πΉβπ) β§ (πΉβπ) β€ (πΎβπ))) |