Step | Hyp | Ref
| Expression |
1 | | 3cn 12290 |
. . 3
β’ 3 β
β |
2 | 1 | mullidi 11216 |
. 2
β’ (1
Β· 3) = 3 |
3 | | tru 1546 |
. . . . . 6
β’
β€ |
4 | | 0xr 11258 |
. . . . . . . 8
β’ 0 β
β* |
5 | | pirp 25963 |
. . . . . . . . . 10
β’ Ο
β β+ |
6 | | 3rp 12977 |
. . . . . . . . . 10
β’ 3 β
β+ |
7 | | rpdivcl 12996 |
. . . . . . . . . 10
β’ ((Ο
β β+ β§ 3 β β+) β (Ο /
3) β β+) |
8 | 5, 6, 7 | mp2an 691 |
. . . . . . . . 9
β’ (Ο /
3) β β+ |
9 | | rpxr 12980 |
. . . . . . . . 9
β’ ((Ο /
3) β β+ β (Ο / 3) β
β*) |
10 | 8, 9 | ax-mp 5 |
. . . . . . . 8
β’ (Ο /
3) β β* |
11 | | rpge0 12984 |
. . . . . . . . 9
β’ ((Ο /
3) β β+ β 0 β€ (Ο / 3)) |
12 | 8, 11 | ax-mp 5 |
. . . . . . . 8
β’ 0 β€
(Ο / 3) |
13 | | lbicc2 13438 |
. . . . . . . 8
β’ ((0
β β* β§ (Ο / 3) β β* β§ 0
β€ (Ο / 3)) β 0 β (0[,](Ο / 3))) |
14 | 4, 10, 12, 13 | mp3an 1462 |
. . . . . . 7
β’ 0 β
(0[,](Ο / 3)) |
15 | | ubicc2 13439 |
. . . . . . . 8
β’ ((0
β β* β§ (Ο / 3) β β* β§ 0
β€ (Ο / 3)) β (Ο / 3) β (0[,](Ο / 3))) |
16 | 4, 10, 12, 15 | mp3an 1462 |
. . . . . . 7
β’ (Ο /
3) β (0[,](Ο / 3)) |
17 | 14, 16 | pm3.2i 472 |
. . . . . 6
β’ (0 β
(0[,](Ο / 3)) β§ (Ο / 3) β (0[,](Ο / 3))) |
18 | | 0re 11213 |
. . . . . . . 8
β’ 0 β
β |
19 | 18 | a1i 11 |
. . . . . . 7
β’ (β€
β 0 β β) |
20 | | pire 25960 |
. . . . . . . . 9
β’ Ο
β β |
21 | | 3re 12289 |
. . . . . . . . 9
β’ 3 β
β |
22 | | 3ne0 12315 |
. . . . . . . . 9
β’ 3 β
0 |
23 | 20, 21, 22 | redivcli 11978 |
. . . . . . . 8
β’ (Ο /
3) β β |
24 | 23 | a1i 11 |
. . . . . . 7
β’ (β€
β (Ο / 3) β β) |
25 | | efcn 25947 |
. . . . . . . . 9
β’ exp
β (ββcnββ) |
26 | 25 | a1i 11 |
. . . . . . . 8
β’ (β€
β exp β (ββcnββ)) |
27 | | iccssre 13403 |
. . . . . . . . . . . 12
β’ ((0
β β β§ (Ο / 3) β β) β (0[,](Ο / 3)) β
β) |
28 | 18, 23, 27 | mp2an 691 |
. . . . . . . . . . 11
β’
(0[,](Ο / 3)) β β |
29 | | ax-resscn 11164 |
. . . . . . . . . . 11
β’ β
β β |
30 | 28, 29 | sstri 3991 |
. . . . . . . . . 10
β’
(0[,](Ο / 3)) β β |
31 | | resmpt 6036 |
. . . . . . . . . 10
β’
((0[,](Ο / 3)) β β β ((π₯ β β β¦ (i Β· π₯)) βΎ (0[,](Ο / 3))) =
(π₯ β (0[,](Ο / 3))
β¦ (i Β· π₯))) |
32 | 30, 31 | mp1i 13 |
. . . . . . . . 9
β’ (β€
β ((π₯ β β
β¦ (i Β· π₯))
βΎ (0[,](Ο / 3))) = (π₯ β (0[,](Ο / 3)) β¦ (i Β·
π₯))) |
33 | | ssidd 4005 |
. . . . . . . . . . 11
β’ (β€
β β β β) |
34 | | ax-icn 11166 |
. . . . . . . . . . . . 13
β’ i β
β |
35 | | simpr 486 |
. . . . . . . . . . . . 13
β’
((β€ β§ π₯
β β) β π₯
β β) |
36 | | mulcl 11191 |
. . . . . . . . . . . . 13
β’ ((i
β β β§ π₯
β β) β (i Β· π₯) β β) |
37 | 34, 35, 36 | sylancr 588 |
. . . . . . . . . . . 12
β’
((β€ β§ π₯
β β) β (i Β· π₯) β β) |
38 | 37 | fmpttd 7112 |
. . . . . . . . . . 11
β’ (β€
β (π₯ β β
β¦ (i Β· π₯)):ββΆβ) |
39 | | cnelprrecn 11200 |
. . . . . . . . . . . . . . . 16
β’ β
β {β, β} |
40 | 39 | a1i 11 |
. . . . . . . . . . . . . . 15
β’ (β€
β β β {β, β}) |
41 | | ax-1cn 11165 |
. . . . . . . . . . . . . . . 16
β’ 1 β
β |
42 | 41 | a1i 11 |
. . . . . . . . . . . . . . 15
β’
((β€ β§ π₯
β β) β 1 β β) |
43 | 40 | dvmptid 25466 |
. . . . . . . . . . . . . . 15
β’ (β€
β (β D (π₯ β
β β¦ π₯)) =
(π₯ β β β¦
1)) |
44 | 34 | a1i 11 |
. . . . . . . . . . . . . . 15
β’ (β€
β i β β) |
45 | 40, 35, 42, 43, 44 | dvmptcmul 25473 |
. . . . . . . . . . . . . 14
β’ (β€
β (β D (π₯ β
β β¦ (i Β· π₯))) = (π₯ β β β¦ (i Β·
1))) |
46 | 34 | mulridi 11215 |
. . . . . . . . . . . . . . 15
β’ (i
Β· 1) = i |
47 | 46 | mpteq2i 5253 |
. . . . . . . . . . . . . 14
β’ (π₯ β β β¦ (i
Β· 1)) = (π₯ β
β β¦ i) |
48 | 45, 47 | eqtrdi 2789 |
. . . . . . . . . . . . 13
β’ (β€
β (β D (π₯ β
β β¦ (i Β· π₯))) = (π₯ β β β¦ i)) |
49 | 48 | dmeqd 5904 |
. . . . . . . . . . . 12
β’ (β€
β dom (β D (π₯
β β β¦ (i Β· π₯))) = dom (π₯ β β β¦ i)) |
50 | 34 | elexi 3494 |
. . . . . . . . . . . . 13
β’ i β
V |
51 | | eqid 2733 |
. . . . . . . . . . . . 13
β’ (π₯ β β β¦ i) =
(π₯ β β β¦
i) |
52 | 50, 51 | dmmpti 6692 |
. . . . . . . . . . . 12
β’ dom
(π₯ β β β¦
i) = β |
53 | 49, 52 | eqtrdi 2789 |
. . . . . . . . . . 11
β’ (β€
β dom (β D (π₯
β β β¦ (i Β· π₯))) = β) |
54 | | dvcn 25430 |
. . . . . . . . . . 11
β’
(((β β β β§ (π₯ β β β¦ (i Β· π₯)):ββΆβ β§
β β β) β§ dom (β D (π₯ β β β¦ (i Β· π₯))) = β) β (π₯ β β β¦ (i
Β· π₯)) β
(ββcnββ)) |
55 | 33, 38, 33, 53, 54 | syl31anc 1374 |
. . . . . . . . . 10
β’ (β€
β (π₯ β β
β¦ (i Β· π₯))
β (ββcnββ)) |
56 | | rescncf 24405 |
. . . . . . . . . 10
β’
((0[,](Ο / 3)) β β β ((π₯ β β β¦ (i Β· π₯)) β (ββcnββ) β ((π₯ β β β¦ (i Β· π₯)) βΎ (0[,](Ο / 3)))
β ((0[,](Ο / 3))βcnββ))) |
57 | 30, 55, 56 | mpsyl 68 |
. . . . . . . . 9
β’ (β€
β ((π₯ β β
β¦ (i Β· π₯))
βΎ (0[,](Ο / 3))) β ((0[,](Ο / 3))βcnββ)) |
58 | 32, 57 | eqeltrrd 2835 |
. . . . . . . 8
β’ (β€
β (π₯ β (0[,](Ο
/ 3)) β¦ (i Β· π₯)) β ((0[,](Ο / 3))βcnββ)) |
59 | 26, 58 | cncfmpt1f 24422 |
. . . . . . 7
β’ (β€
β (π₯ β (0[,](Ο
/ 3)) β¦ (expβ(i Β· π₯))) β ((0[,](Ο / 3))βcnββ)) |
60 | | reelprrecn 11199 |
. . . . . . . . . . 11
β’ β
β {β, β} |
61 | 60 | a1i 11 |
. . . . . . . . . 10
β’ (β€
β β β {β, β}) |
62 | | recn 11197 |
. . . . . . . . . . 11
β’ (π₯ β β β π₯ β
β) |
63 | | efcl 16023 |
. . . . . . . . . . . 12
β’ ((i
Β· π₯) β β
β (expβ(i Β· π₯)) β β) |
64 | 37, 63 | syl 17 |
. . . . . . . . . . 11
β’
((β€ β§ π₯
β β) β (expβ(i Β· π₯)) β β) |
65 | 62, 64 | sylan2 594 |
. . . . . . . . . 10
β’
((β€ β§ π₯
β β) β (expβ(i Β· π₯)) β β) |
66 | | mulcl 11191 |
. . . . . . . . . . . 12
β’
(((expβ(i Β· π₯)) β β β§ i β β)
β ((expβ(i Β· π₯)) Β· i) β
β) |
67 | 64, 34, 66 | sylancl 587 |
. . . . . . . . . . 11
β’
((β€ β§ π₯
β β) β ((expβ(i Β· π₯)) Β· i) β
β) |
68 | 62, 67 | sylan2 594 |
. . . . . . . . . 10
β’
((β€ β§ π₯
β β) β ((expβ(i Β· π₯)) Β· i) β
β) |
69 | | eqid 2733 |
. . . . . . . . . . 11
β’
(TopOpenββfld) =
(TopOpenββfld) |
70 | 69 | cnfldtopon 24291 |
. . . . . . . . . . . 12
β’
(TopOpenββfld) β
(TopOnββ) |
71 | | toponmax 22420 |
. . . . . . . . . . . 12
β’
((TopOpenββfld) β (TopOnββ)
β β β (TopOpenββfld)) |
72 | 70, 71 | mp1i 13 |
. . . . . . . . . . 11
β’ (β€
β β β (TopOpenββfld)) |
73 | 29 | a1i 11 |
. . . . . . . . . . . 12
β’ (β€
β β β β) |
74 | | df-ss 3965 |
. . . . . . . . . . . 12
β’ (β
β β β (β β© β) = β) |
75 | 73, 74 | sylib 217 |
. . . . . . . . . . 11
β’ (β€
β (β β© β) = β) |
76 | 34 | a1i 11 |
. . . . . . . . . . . 12
β’
((β€ β§ π₯
β β) β i β β) |
77 | | efcl 16023 |
. . . . . . . . . . . . 13
β’ (π¦ β β β
(expβπ¦) β
β) |
78 | 77 | adantl 483 |
. . . . . . . . . . . 12
β’
((β€ β§ π¦
β β) β (expβπ¦) β β) |
79 | | dvef 25489 |
. . . . . . . . . . . . 13
β’ (β
D exp) = exp |
80 | | eff 16022 |
. . . . . . . . . . . . . . . 16
β’
exp:ββΆβ |
81 | 80 | a1i 11 |
. . . . . . . . . . . . . . 15
β’ (β€
β exp:ββΆβ) |
82 | 81 | feqmptd 6958 |
. . . . . . . . . . . . . 14
β’ (β€
β exp = (π¦ β
β β¦ (expβπ¦))) |
83 | 82 | oveq2d 7422 |
. . . . . . . . . . . . 13
β’ (β€
β (β D exp) = (β D (π¦ β β β¦ (expβπ¦)))) |
84 | 79, 83, 82 | 3eqtr3a 2797 |
. . . . . . . . . . . 12
β’ (β€
β (β D (π¦ β
β β¦ (expβπ¦))) = (π¦ β β β¦ (expβπ¦))) |
85 | | fveq2 6889 |
. . . . . . . . . . . 12
β’ (π¦ = (i Β· π₯) β (expβπ¦) = (expβ(i Β· π₯))) |
86 | 40, 40, 37, 76, 78, 78, 48, 84, 85, 85 | dvmptco 25481 |
. . . . . . . . . . 11
β’ (β€
β (β D (π₯ β
β β¦ (expβ(i Β· π₯)))) = (π₯ β β β¦ ((expβ(i
Β· π₯)) Β·
i))) |
87 | 69, 61, 72, 75, 64, 67, 86 | dvmptres3 25465 |
. . . . . . . . . 10
β’ (β€
β (β D (π₯ β
β β¦ (expβ(i Β· π₯)))) = (π₯ β β β¦ ((expβ(i
Β· π₯)) Β·
i))) |
88 | 28 | a1i 11 |
. . . . . . . . . 10
β’ (β€
β (0[,](Ο / 3)) β β) |
89 | 69 | tgioo2 24311 |
. . . . . . . . . 10
β’
(topGenβran (,)) = ((TopOpenββfld)
βΎt β) |
90 | | iccntr 24329 |
. . . . . . . . . . 11
β’ ((0
β β β§ (Ο / 3) β β) β
((intβ(topGenβran (,)))β(0[,](Ο / 3))) = (0(,)(Ο /
3))) |
91 | 18, 24, 90 | sylancr 588 |
. . . . . . . . . 10
β’ (β€
β ((intβ(topGenβran (,)))β(0[,](Ο / 3))) = (0(,)(Ο
/ 3))) |
92 | 61, 65, 68, 87, 88, 89, 69, 91 | dvmptres2 25471 |
. . . . . . . . 9
β’ (β€
β (β D (π₯ β
(0[,](Ο / 3)) β¦ (expβ(i Β· π₯)))) = (π₯ β (0(,)(Ο / 3)) β¦
((expβ(i Β· π₯))
Β· i))) |
93 | 92 | dmeqd 5904 |
. . . . . . . 8
β’ (β€
β dom (β D (π₯
β (0[,](Ο / 3)) β¦ (expβ(i Β· π₯)))) = dom (π₯ β (0(,)(Ο / 3)) β¦
((expβ(i Β· π₯))
Β· i))) |
94 | | ovex 7439 |
. . . . . . . . 9
β’
((expβ(i Β· π₯)) Β· i) β V |
95 | | eqid 2733 |
. . . . . . . . 9
β’ (π₯ β (0(,)(Ο / 3)) β¦
((expβ(i Β· π₯))
Β· i)) = (π₯ β
(0(,)(Ο / 3)) β¦ ((expβ(i Β· π₯)) Β· i)) |
96 | 94, 95 | dmmpti 6692 |
. . . . . . . 8
β’ dom
(π₯ β (0(,)(Ο / 3))
β¦ ((expβ(i Β· π₯)) Β· i)) = (0(,)(Ο /
3)) |
97 | 93, 96 | eqtrdi 2789 |
. . . . . . 7
β’ (β€
β dom (β D (π₯
β (0[,](Ο / 3)) β¦ (expβ(i Β· π₯)))) = (0(,)(Ο / 3))) |
98 | | 1re 11211 |
. . . . . . . 8
β’ 1 β
β |
99 | 98 | a1i 11 |
. . . . . . 7
β’ (β€
β 1 β β) |
100 | 92 | fveq1d 6891 |
. . . . . . . . . . 11
β’ (β€
β ((β D (π₯
β (0[,](Ο / 3)) β¦ (expβ(i Β· π₯))))βπ¦) = ((π₯ β (0(,)(Ο / 3)) β¦
((expβ(i Β· π₯))
Β· i))βπ¦)) |
101 | | oveq2 7414 |
. . . . . . . . . . . . . 14
β’ (π₯ = π¦ β (i Β· π₯) = (i Β· π¦)) |
102 | 101 | fveq2d 6893 |
. . . . . . . . . . . . 13
β’ (π₯ = π¦ β (expβ(i Β· π₯)) = (expβ(i Β·
π¦))) |
103 | 102 | oveq1d 7421 |
. . . . . . . . . . . 12
β’ (π₯ = π¦ β ((expβ(i Β· π₯)) Β· i) = ((expβ(i
Β· π¦)) Β·
i)) |
104 | 103, 95, 94 | fvmpt3i 7001 |
. . . . . . . . . . 11
β’ (π¦ β (0(,)(Ο / 3)) β
((π₯ β (0(,)(Ο / 3))
β¦ ((expβ(i Β· π₯)) Β· i))βπ¦) = ((expβ(i Β· π¦)) Β· i)) |
105 | 100, 104 | sylan9eq 2793 |
. . . . . . . . . 10
β’
((β€ β§ π¦
β (0(,)(Ο / 3))) β ((β D (π₯ β (0[,](Ο / 3)) β¦
(expβ(i Β· π₯))))βπ¦) = ((expβ(i Β· π¦)) Β· i)) |
106 | 105 | fveq2d 6893 |
. . . . . . . . 9
β’
((β€ β§ π¦
β (0(,)(Ο / 3))) β (absβ((β D (π₯ β (0[,](Ο / 3)) β¦
(expβ(i Β· π₯))))βπ¦)) = (absβ((expβ(i Β· π¦)) Β·
i))) |
107 | | ioossre 13382 |
. . . . . . . . . . . . . . 15
β’
(0(,)(Ο / 3)) β β |
108 | 107 | a1i 11 |
. . . . . . . . . . . . . 14
β’ (β€
β (0(,)(Ο / 3)) β β) |
109 | 108 | sselda 3982 |
. . . . . . . . . . . . 13
β’
((β€ β§ π¦
β (0(,)(Ο / 3))) β π¦ β β) |
110 | 109 | recnd 11239 |
. . . . . . . . . . . 12
β’
((β€ β§ π¦
β (0(,)(Ο / 3))) β π¦ β β) |
111 | | mulcl 11191 |
. . . . . . . . . . . 12
β’ ((i
β β β§ π¦
β β) β (i Β· π¦) β β) |
112 | 34, 110, 111 | sylancr 588 |
. . . . . . . . . . 11
β’
((β€ β§ π¦
β (0(,)(Ο / 3))) β (i Β· π¦) β β) |
113 | | efcl 16023 |
. . . . . . . . . . 11
β’ ((i
Β· π¦) β β
β (expβ(i Β· π¦)) β β) |
114 | 112, 113 | syl 17 |
. . . . . . . . . 10
β’
((β€ β§ π¦
β (0(,)(Ο / 3))) β (expβ(i Β· π¦)) β β) |
115 | | absmul 15238 |
. . . . . . . . . 10
β’
(((expβ(i Β· π¦)) β β β§ i β β)
β (absβ((expβ(i Β· π¦)) Β· i)) = ((absβ(expβ(i
Β· π¦))) Β·
(absβi))) |
116 | 114, 34, 115 | sylancl 587 |
. . . . . . . . 9
β’
((β€ β§ π¦
β (0(,)(Ο / 3))) β (absβ((expβ(i Β· π¦)) Β· i)) =
((absβ(expβ(i Β· π¦))) Β· (absβi))) |
117 | | absefi 16136 |
. . . . . . . . . . . 12
β’ (π¦ β β β
(absβ(expβ(i Β· π¦))) = 1) |
118 | 109, 117 | syl 17 |
. . . . . . . . . . 11
β’
((β€ β§ π¦
β (0(,)(Ο / 3))) β (absβ(expβ(i Β· π¦))) = 1) |
119 | | absi 15230 |
. . . . . . . . . . . 12
β’
(absβi) = 1 |
120 | 119 | a1i 11 |
. . . . . . . . . . 11
β’
((β€ β§ π¦
β (0(,)(Ο / 3))) β (absβi) = 1) |
121 | 118, 120 | oveq12d 7424 |
. . . . . . . . . 10
β’
((β€ β§ π¦
β (0(,)(Ο / 3))) β ((absβ(expβ(i Β· π¦))) Β· (absβi)) = (1
Β· 1)) |
122 | 41 | mulridi 11215 |
. . . . . . . . . 10
β’ (1
Β· 1) = 1 |
123 | 121, 122 | eqtrdi 2789 |
. . . . . . . . 9
β’
((β€ β§ π¦
β (0(,)(Ο / 3))) β ((absβ(expβ(i Β· π¦))) Β· (absβi)) =
1) |
124 | 106, 116,
123 | 3eqtrd 2777 |
. . . . . . . 8
β’
((β€ β§ π¦
β (0(,)(Ο / 3))) β (absβ((β D (π₯ β (0[,](Ο / 3)) β¦
(expβ(i Β· π₯))))βπ¦)) = 1) |
125 | | 1le1 11839 |
. . . . . . . 8
β’ 1 β€
1 |
126 | 124, 125 | eqbrtrdi 5187 |
. . . . . . 7
β’
((β€ β§ π¦
β (0(,)(Ο / 3))) β (absβ((β D (π₯ β (0[,](Ο / 3)) β¦
(expβ(i Β· π₯))))βπ¦)) β€ 1) |
127 | 19, 24, 59, 97, 99, 126 | dvlip 25502 |
. . . . . 6
β’
((β€ β§ (0 β (0[,](Ο / 3)) β§ (Ο / 3) β
(0[,](Ο / 3)))) β (absβ(((π₯ β (0[,](Ο / 3)) β¦
(expβ(i Β· π₯)))β0) β ((π₯ β (0[,](Ο / 3)) β¦
(expβ(i Β· π₯)))β(Ο / 3)))) β€ (1 Β·
(absβ(0 β (Ο / 3))))) |
128 | 3, 17, 127 | mp2an 691 |
. . . . 5
β’
(absβ(((π₯
β (0[,](Ο / 3)) β¦ (expβ(i Β· π₯)))β0) β ((π₯ β (0[,](Ο / 3)) β¦
(expβ(i Β· π₯)))β(Ο / 3)))) β€ (1 Β·
(absβ(0 β (Ο / 3)))) |
129 | | oveq2 7414 |
. . . . . . . . . . . . 13
β’ (π₯ = 0 β (i Β· π₯) = (i Β·
0)) |
130 | | it0e0 12431 |
. . . . . . . . . . . . 13
β’ (i
Β· 0) = 0 |
131 | 129, 130 | eqtrdi 2789 |
. . . . . . . . . . . 12
β’ (π₯ = 0 β (i Β· π₯) = 0) |
132 | 131 | fveq2d 6893 |
. . . . . . . . . . 11
β’ (π₯ = 0 β (expβ(i
Β· π₯)) =
(expβ0)) |
133 | | ef0 16031 |
. . . . . . . . . . 11
β’
(expβ0) = 1 |
134 | 132, 133 | eqtrdi 2789 |
. . . . . . . . . 10
β’ (π₯ = 0 β (expβ(i
Β· π₯)) =
1) |
135 | | eqid 2733 |
. . . . . . . . . 10
β’ (π₯ β (0[,](Ο / 3)) β¦
(expβ(i Β· π₯)))
= (π₯ β (0[,](Ο /
3)) β¦ (expβ(i Β· π₯))) |
136 | | fvex 6902 |
. . . . . . . . . 10
β’
(expβ(i Β· π₯)) β V |
137 | 134, 135,
136 | fvmpt3i 7001 |
. . . . . . . . 9
β’ (0 β
(0[,](Ο / 3)) β ((π₯
β (0[,](Ο / 3)) β¦ (expβ(i Β· π₯)))β0) = 1) |
138 | 14, 137 | ax-mp 5 |
. . . . . . . 8
β’ ((π₯ β (0[,](Ο / 3)) β¦
(expβ(i Β· π₯)))β0) = 1 |
139 | | oveq2 7414 |
. . . . . . . . . . 11
β’ (π₯ = (Ο / 3) β (i Β·
π₯) = (i Β· (Ο /
3))) |
140 | 139 | fveq2d 6893 |
. . . . . . . . . 10
β’ (π₯ = (Ο / 3) β
(expβ(i Β· π₯))
= (expβ(i Β· (Ο / 3)))) |
141 | 140, 135,
136 | fvmpt3i 7001 |
. . . . . . . . 9
β’ ((Ο /
3) β (0[,](Ο / 3)) β ((π₯ β (0[,](Ο / 3)) β¦
(expβ(i Β· π₯)))β(Ο / 3)) = (expβ(i
Β· (Ο / 3)))) |
142 | 16, 141 | ax-mp 5 |
. . . . . . . 8
β’ ((π₯ β (0[,](Ο / 3)) β¦
(expβ(i Β· π₯)))β(Ο / 3)) = (expβ(i
Β· (Ο / 3))) |
143 | 138, 142 | oveq12i 7418 |
. . . . . . 7
β’ (((π₯ β (0[,](Ο / 3)) β¦
(expβ(i Β· π₯)))β0) β ((π₯ β (0[,](Ο / 3)) β¦
(expβ(i Β· π₯)))β(Ο / 3))) = (1 β
(expβ(i Β· (Ο / 3)))) |
144 | 23 | recni 11225 |
. . . . . . . . . 10
β’ (Ο /
3) β β |
145 | 34, 144 | mulcli 11218 |
. . . . . . . . 9
β’ (i
Β· (Ο / 3)) β β |
146 | | efcl 16023 |
. . . . . . . . 9
β’ ((i
Β· (Ο / 3)) β β β (expβ(i Β· (Ο / 3)))
β β) |
147 | 145, 146 | ax-mp 5 |
. . . . . . . 8
β’
(expβ(i Β· (Ο / 3))) β β |
148 | | negicn 11458 |
. . . . . . . . . 10
β’ -i β
β |
149 | 148, 144 | mulcli 11218 |
. . . . . . . . 9
β’ (-i
Β· (Ο / 3)) β β |
150 | | efcl 16023 |
. . . . . . . . 9
β’ ((-i
Β· (Ο / 3)) β β β (expβ(-i Β· (Ο / 3)))
β β) |
151 | 149, 150 | ax-mp 5 |
. . . . . . . 8
β’
(expβ(-i Β· (Ο / 3))) β β |
152 | | cosval 16063 |
. . . . . . . . . . 11
β’ ((Ο /
3) β β β (cosβ(Ο / 3)) = (((expβ(i Β·
(Ο / 3))) + (expβ(-i Β· (Ο / 3)))) / 2)) |
153 | 144, 152 | ax-mp 5 |
. . . . . . . . . 10
β’
(cosβ(Ο / 3)) = (((expβ(i Β· (Ο / 3))) +
(expβ(-i Β· (Ο / 3)))) / 2) |
154 | | sincos3rdpi 26018 |
. . . . . . . . . . 11
β’
((sinβ(Ο / 3)) = ((ββ3) / 2) β§ (cosβ(Ο
/ 3)) = (1 / 2)) |
155 | 154 | simpri 487 |
. . . . . . . . . 10
β’
(cosβ(Ο / 3)) = (1 / 2) |
156 | 153, 155 | eqtr3i 2763 |
. . . . . . . . 9
β’
(((expβ(i Β· (Ο / 3))) + (expβ(-i Β· (Ο /
3)))) / 2) = (1 / 2) |
157 | 147, 151 | addcli 11217 |
. . . . . . . . . 10
β’
((expβ(i Β· (Ο / 3))) + (expβ(-i Β· (Ο /
3)))) β β |
158 | | 2cn 12284 |
. . . . . . . . . 10
β’ 2 β
β |
159 | | 2ne0 12313 |
. . . . . . . . . 10
β’ 2 β
0 |
160 | 157, 41, 158, 159 | div11i 11970 |
. . . . . . . . 9
β’
((((expβ(i Β· (Ο / 3))) + (expβ(-i Β· (Ο /
3)))) / 2) = (1 / 2) β ((expβ(i Β· (Ο / 3))) +
(expβ(-i Β· (Ο / 3)))) = 1) |
161 | 156, 160 | mpbi 229 |
. . . . . . . 8
β’
((expβ(i Β· (Ο / 3))) + (expβ(-i Β· (Ο /
3)))) = 1 |
162 | 41, 147, 151, 161 | subaddrii 11546 |
. . . . . . 7
β’ (1
β (expβ(i Β· (Ο / 3)))) = (expβ(-i Β· (Ο /
3))) |
163 | | mulneg12 11649 |
. . . . . . . . 9
β’ ((i
β β β§ (Ο / 3) β β) β (-i Β· (Ο / 3))
= (i Β· -(Ο / 3))) |
164 | 34, 144, 163 | mp2an 691 |
. . . . . . . 8
β’ (-i
Β· (Ο / 3)) = (i Β· -(Ο / 3)) |
165 | 164 | fveq2i 6892 |
. . . . . . 7
β’
(expβ(-i Β· (Ο / 3))) = (expβ(i Β· -(Ο /
3))) |
166 | 143, 162,
165 | 3eqtri 2765 |
. . . . . 6
β’ (((π₯ β (0[,](Ο / 3)) β¦
(expβ(i Β· π₯)))β0) β ((π₯ β (0[,](Ο / 3)) β¦
(expβ(i Β· π₯)))β(Ο / 3))) = (expβ(i
Β· -(Ο / 3))) |
167 | 166 | fveq2i 6892 |
. . . . 5
β’
(absβ(((π₯
β (0[,](Ο / 3)) β¦ (expβ(i Β· π₯)))β0) β ((π₯ β (0[,](Ο / 3)) β¦
(expβ(i Β· π₯)))β(Ο / 3)))) =
(absβ(expβ(i Β· -(Ο / 3)))) |
168 | 144 | absnegi 15344 |
. . . . . . . 8
β’
(absβ-(Ο / 3)) = (absβ(Ο / 3)) |
169 | | df-neg 11444 |
. . . . . . . . 9
β’ -(Ο /
3) = (0 β (Ο / 3)) |
170 | 169 | fveq2i 6892 |
. . . . . . . 8
β’
(absβ-(Ο / 3)) = (absβ(0 β (Ο /
3))) |
171 | 168, 170 | eqtr3i 2763 |
. . . . . . 7
β’
(absβ(Ο / 3)) = (absβ(0 β (Ο /
3))) |
172 | | rprege0 12986 |
. . . . . . . 8
β’ ((Ο /
3) β β+ β ((Ο / 3) β β β§ 0 β€
(Ο / 3))) |
173 | | absid 15240 |
. . . . . . . 8
β’ (((Ο /
3) β β β§ 0 β€ (Ο / 3)) β (absβ(Ο / 3)) =
(Ο / 3)) |
174 | 8, 172, 173 | mp2b 10 |
. . . . . . 7
β’
(absβ(Ο / 3)) = (Ο / 3) |
175 | 171, 174 | eqtr3i 2763 |
. . . . . 6
β’
(absβ(0 β (Ο / 3))) = (Ο / 3) |
176 | 175 | oveq2i 7417 |
. . . . 5
β’ (1
Β· (absβ(0 β (Ο / 3)))) = (1 Β· (Ο /
3)) |
177 | 128, 167,
176 | 3brtr3i 5177 |
. . . 4
β’
(absβ(expβ(i Β· -(Ο / 3)))) β€ (1 Β· (Ο
/ 3)) |
178 | 23 | renegcli 11518 |
. . . . 5
β’ -(Ο /
3) β β |
179 | | absefi 16136 |
. . . . 5
β’ (-(Ο /
3) β β β (absβ(expβ(i Β· -(Ο / 3)))) =
1) |
180 | 178, 179 | ax-mp 5 |
. . . 4
β’
(absβ(expβ(i Β· -(Ο / 3)))) = 1 |
181 | 144 | mullidi 11216 |
. . . 4
β’ (1
Β· (Ο / 3)) = (Ο / 3) |
182 | 177, 180,
181 | 3brtr3i 5177 |
. . 3
β’ 1 β€
(Ο / 3) |
183 | | 3pos 12314 |
. . . . 5
β’ 0 <
3 |
184 | 21, 183 | pm3.2i 472 |
. . . 4
β’ (3 β
β β§ 0 < 3) |
185 | | lemuldiv 12091 |
. . . 4
β’ ((1
β β β§ Ο β β β§ (3 β β β§ 0 <
3)) β ((1 Β· 3) β€ Ο β 1 β€ (Ο /
3))) |
186 | 98, 20, 184, 185 | mp3an 1462 |
. . 3
β’ ((1
Β· 3) β€ Ο β 1 β€ (Ο / 3)) |
187 | 182, 186 | mpbir 230 |
. 2
β’ (1
Β· 3) β€ Ο |
188 | 2, 187 | eqbrtrri 5171 |
1
β’ 3 β€
Ο |