Step | Hyp | Ref
| Expression |
1 | | nnnn0 12476 |
. . . . . . 7
β’ (π β β β π β
β0) |
2 | | faccl 14240 |
. . . . . . 7
β’ (π β β0
β (!βπ) β
β) |
3 | 1, 2 | syl 17 |
. . . . . 6
β’ (π β β β
(!βπ) β
β) |
4 | 3 | nncnd 12225 |
. . . . 5
β’ (π β β β
(!βπ) β
β) |
5 | | ere 16029 |
. . . . . . 7
β’ e β
β |
6 | 5 | recni 11225 |
. . . . . 6
β’ e β
β |
7 | | epos 16147 |
. . . . . . 7
β’ 0 <
e |
8 | 5, 7 | gt0ne0ii 11747 |
. . . . . 6
β’ e β
0 |
9 | | divcl 11875 |
. . . . . 6
β’
(((!βπ) β
β β§ e β β β§ e β 0) β ((!βπ) / e) β
β) |
10 | 6, 8, 9 | mp3an23 1454 |
. . . . 5
β’
((!βπ) β
β β ((!βπ)
/ e) β β) |
11 | 4, 10 | syl 17 |
. . . 4
β’ (π β β β
((!βπ) / e) β
β) |
12 | | derang.d |
. . . . . . . 8
β’ π· = (π₯ β Fin β¦ (β―β{π β£ (π:π₯β1-1-ontoβπ₯ β§ βπ¦ β π₯ (πβπ¦) β π¦)})) |
13 | | subfac.n |
. . . . . . . 8
β’ π = (π β β0 β¦ (π·β(1...π))) |
14 | 12, 13 | subfacf 34155 |
. . . . . . 7
β’ π:β0βΆβ0 |
15 | 14 | ffvelcdmi 7083 |
. . . . . 6
β’ (π β β0
β (πβπ) β
β0) |
16 | 1, 15 | syl 17 |
. . . . 5
β’ (π β β β (πβπ) β
β0) |
17 | 16 | nn0cnd 12531 |
. . . 4
β’ (π β β β (πβπ) β β) |
18 | 11, 17 | subcld 11568 |
. . 3
β’ (π β β β
(((!βπ) / e) β
(πβπ)) β β) |
19 | 18 | abscld 15380 |
. 2
β’ (π β β β
(absβ(((!βπ) /
e) β (πβπ))) β
β) |
20 | | peano2nn 12221 |
. . . . 5
β’ (π β β β (π + 1) β
β) |
21 | 20 | peano2nnd 12226 |
. . . 4
β’ (π β β β ((π + 1) + 1) β
β) |
22 | 21 | nnred 12224 |
. . 3
β’ (π β β β ((π + 1) + 1) β
β) |
23 | 20, 20 | nnmulcld 12262 |
. . 3
β’ (π β β β ((π + 1) Β· (π + 1)) β
β) |
24 | 22, 23 | nndivred 12263 |
. 2
β’ (π β β β (((π + 1) + 1) / ((π + 1) Β· (π + 1))) β β) |
25 | | nnrecre 12251 |
. 2
β’ (π β β β (1 /
π) β
β) |
26 | | eqid 2733 |
. . . . . 6
β’ (π β β0
β¦ ((-1βπ) /
(!βπ))) = (π β β0
β¦ ((-1βπ) /
(!βπ))) |
27 | | eqid 2733 |
. . . . . 6
β’ (π β β0
β¦ (((absβ-1)βπ) / (!βπ))) = (π β β0 β¦
(((absβ-1)βπ) /
(!βπ))) |
28 | | eqid 2733 |
. . . . . 6
β’ (π β β0
β¦ ((((absβ-1)β(π + 1)) / (!β(π + 1))) Β· ((1 / ((π + 1) + 1))βπ))) = (π β β0 β¦
((((absβ-1)β(π +
1)) / (!β(π + 1)))
Β· ((1 / ((π + 1) +
1))βπ))) |
29 | | neg1cn 12323 |
. . . . . . 7
β’ -1 β
β |
30 | 29 | a1i 11 |
. . . . . 6
β’ (π β β β -1 β
β) |
31 | | ax-1cn 11165 |
. . . . . . . . . 10
β’ 1 β
β |
32 | 31 | absnegi 15344 |
. . . . . . . . 9
β’
(absβ-1) = (absβ1) |
33 | | abs1 15241 |
. . . . . . . . 9
β’
(absβ1) = 1 |
34 | 32, 33 | eqtri 2761 |
. . . . . . . 8
β’
(absβ-1) = 1 |
35 | | 1le1 11839 |
. . . . . . . 8
β’ 1 β€
1 |
36 | 34, 35 | eqbrtri 5169 |
. . . . . . 7
β’
(absβ-1) β€ 1 |
37 | 36 | a1i 11 |
. . . . . 6
β’ (π β β β
(absβ-1) β€ 1) |
38 | 26, 27, 28, 20, 30, 37 | eftlub 16049 |
. . . . 5
β’ (π β β β
(absβΞ£π β
(β€β₯β(π + 1))((π β β0 β¦
((-1βπ) /
(!βπ)))βπ)) β€
(((absβ-1)β(π +
1)) Β· (((π + 1) + 1)
/ ((!β(π + 1))
Β· (π +
1))))) |
39 | 20 | nnnn0d 12529 |
. . . . . . . . 9
β’ (π β β β (π + 1) β
β0) |
40 | | eluznn0 12898 |
. . . . . . . . 9
β’ (((π + 1) β β0
β§ π β
(β€β₯β(π + 1))) β π β β0) |
41 | 39, 40 | sylan 581 |
. . . . . . . 8
β’ ((π β β β§ π β
(β€β₯β(π + 1))) β π β β0) |
42 | 26 | eftval 16017 |
. . . . . . . 8
β’ (π β β0
β ((π β
β0 β¦ ((-1βπ) / (!βπ)))βπ) = ((-1βπ) / (!βπ))) |
43 | 41, 42 | syl 17 |
. . . . . . 7
β’ ((π β β β§ π β
(β€β₯β(π + 1))) β ((π β β0 β¦
((-1βπ) /
(!βπ)))βπ) = ((-1βπ) / (!βπ))) |
44 | 43 | sumeq2dv 15646 |
. . . . . 6
β’ (π β β β
Ξ£π β
(β€β₯β(π + 1))((π β β0 β¦
((-1βπ) /
(!βπ)))βπ) = Ξ£π β (β€β₯β(π + 1))((-1βπ) / (!βπ))) |
45 | 44 | fveq2d 6893 |
. . . . 5
β’ (π β β β
(absβΞ£π β
(β€β₯β(π + 1))((π β β0 β¦
((-1βπ) /
(!βπ)))βπ)) = (absβΞ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ)))) |
46 | 34 | oveq1i 7416 |
. . . . . . . 8
β’
((absβ-1)β(π + 1)) = (1β(π + 1)) |
47 | 20 | nnzd 12582 |
. . . . . . . . 9
β’ (π β β β (π + 1) β
β€) |
48 | | 1exp 14054 |
. . . . . . . . 9
β’ ((π + 1) β β€ β
(1β(π + 1)) =
1) |
49 | 47, 48 | syl 17 |
. . . . . . . 8
β’ (π β β β
(1β(π + 1)) =
1) |
50 | 46, 49 | eqtrid 2785 |
. . . . . . 7
β’ (π β β β
((absβ-1)β(π +
1)) = 1) |
51 | 50 | oveq1d 7421 |
. . . . . 6
β’ (π β β β
(((absβ-1)β(π +
1)) Β· (((π + 1) + 1)
/ ((!β(π + 1))
Β· (π + 1)))) = (1
Β· (((π + 1) + 1) /
((!β(π + 1)) Β·
(π +
1))))) |
52 | | faccl 14240 |
. . . . . . . . . . 11
β’ ((π + 1) β β0
β (!β(π + 1))
β β) |
53 | 39, 52 | syl 17 |
. . . . . . . . . 10
β’ (π β β β
(!β(π + 1)) β
β) |
54 | 53, 20 | nnmulcld 12262 |
. . . . . . . . 9
β’ (π β β β
((!β(π + 1)) Β·
(π + 1)) β
β) |
55 | 22, 54 | nndivred 12263 |
. . . . . . . 8
β’ (π β β β (((π + 1) + 1) / ((!β(π + 1)) Β· (π + 1))) β
β) |
56 | 55 | recnd 11239 |
. . . . . . 7
β’ (π β β β (((π + 1) + 1) / ((!β(π + 1)) Β· (π + 1))) β
β) |
57 | 56 | mullidd 11229 |
. . . . . 6
β’ (π β β β (1
Β· (((π + 1) + 1) /
((!β(π + 1)) Β·
(π + 1)))) = (((π + 1) + 1) / ((!β(π + 1)) Β· (π + 1)))) |
58 | 51, 57 | eqtrd 2773 |
. . . . 5
β’ (π β β β
(((absβ-1)β(π +
1)) Β· (((π + 1) + 1)
/ ((!β(π + 1))
Β· (π + 1)))) =
(((π + 1) + 1) /
((!β(π + 1)) Β·
(π + 1)))) |
59 | 38, 45, 58 | 3brtr3d 5179 |
. . . 4
β’ (π β β β
(absβΞ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ))) β€ (((π + 1) + 1) / ((!β(π + 1)) Β· (π + 1)))) |
60 | | eqid 2733 |
. . . . . . 7
β’
(β€β₯β(π + 1)) =
(β€β₯β(π + 1)) |
61 | | eftcl 16014 |
. . . . . . . . 9
β’ ((-1
β β β§ π
β β0) β ((-1βπ) / (!βπ)) β β) |
62 | 29, 61 | mpan 689 |
. . . . . . . 8
β’ (π β β0
β ((-1βπ) /
(!βπ)) β
β) |
63 | 41, 62 | syl 17 |
. . . . . . 7
β’ ((π β β β§ π β
(β€β₯β(π + 1))) β ((-1βπ) / (!βπ)) β β) |
64 | 26 | eftlcvg 16046 |
. . . . . . . 8
β’ ((-1
β β β§ (π +
1) β β0) β seq(π + 1)( + , (π β β0 β¦
((-1βπ) /
(!βπ)))) β dom
β ) |
65 | 29, 39, 64 | sylancr 588 |
. . . . . . 7
β’ (π β β β seq(π + 1)( + , (π β β0 β¦
((-1βπ) /
(!βπ)))) β dom
β ) |
66 | 60, 47, 43, 63, 65 | isumcl 15704 |
. . . . . 6
β’ (π β β β
Ξ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ)) β β) |
67 | 66 | abscld 15380 |
. . . . 5
β’ (π β β β
(absβΞ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ))) β β) |
68 | 3 | nnred 12224 |
. . . . 5
β’ (π β β β
(!βπ) β
β) |
69 | 3 | nngt0d 12258 |
. . . . 5
β’ (π β β β 0 <
(!βπ)) |
70 | | lemul2 12064 |
. . . . 5
β’
(((absβΞ£π β (β€β₯β(π + 1))((-1βπ) / (!βπ))) β β β§ (((π + 1) + 1) / ((!β(π + 1)) Β· (π + 1))) β β β§ ((!βπ) β β β§ 0 <
(!βπ))) β
((absβΞ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ))) β€ (((π + 1) + 1) / ((!β(π + 1)) Β· (π + 1))) β ((!βπ) Β· (absβΞ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ)))) β€ ((!βπ) Β· (((π + 1) + 1) / ((!β(π + 1)) Β· (π + 1)))))) |
71 | 67, 55, 68, 69, 70 | syl112anc 1375 |
. . . 4
β’ (π β β β
((absβΞ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ))) β€ (((π + 1) + 1) / ((!β(π + 1)) Β· (π + 1))) β ((!βπ) Β· (absβΞ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ)))) β€ ((!βπ) Β· (((π + 1) + 1) / ((!β(π + 1)) Β· (π + 1)))))) |
72 | 59, 71 | mpbid 231 |
. . 3
β’ (π β β β
((!βπ) Β·
(absβΞ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ)))) β€ ((!βπ) Β· (((π + 1) + 1) / ((!β(π + 1)) Β· (π + 1))))) |
73 | 12, 13 | subfacval2 34167 |
. . . . . . . . . 10
β’ (π β β0
β (πβπ) = ((!βπ) Β· Ξ£π β (0...π)((-1βπ) / (!βπ)))) |
74 | 1, 73 | syl 17 |
. . . . . . . . 9
β’ (π β β β (πβπ) = ((!βπ) Β· Ξ£π β (0...π)((-1βπ) / (!βπ)))) |
75 | | nncn 12217 |
. . . . . . . . . . . . 13
β’ (π β β β π β
β) |
76 | | pncan 11463 |
. . . . . . . . . . . . 13
β’ ((π β β β§ 1 β
β) β ((π + 1)
β 1) = π) |
77 | 75, 31, 76 | sylancl 587 |
. . . . . . . . . . . 12
β’ (π β β β ((π + 1) β 1) = π) |
78 | 77 | oveq2d 7422 |
. . . . . . . . . . 11
β’ (π β β β
(0...((π + 1) β 1)) =
(0...π)) |
79 | 78 | sumeq1d 15644 |
. . . . . . . . . 10
β’ (π β β β
Ξ£π β
(0...((π + 1) β
1))((-1βπ) /
(!βπ)) = Ξ£π β (0...π)((-1βπ) / (!βπ))) |
80 | 79 | oveq2d 7422 |
. . . . . . . . 9
β’ (π β β β
((!βπ) Β·
Ξ£π β
(0...((π + 1) β
1))((-1βπ) /
(!βπ))) =
((!βπ) Β·
Ξ£π β (0...π)((-1βπ) / (!βπ)))) |
81 | 74, 80 | eqtr4d 2776 |
. . . . . . . 8
β’ (π β β β (πβπ) = ((!βπ) Β· Ξ£π β (0...((π + 1) β 1))((-1βπ) / (!βπ)))) |
82 | 81 | oveq1d 7421 |
. . . . . . 7
β’ (π β β β ((πβπ) + ((!βπ) Β· Ξ£π β (β€β₯β(π + 1))((-1βπ) / (!βπ)))) = (((!βπ) Β· Ξ£π β (0...((π + 1) β 1))((-1βπ) / (!βπ))) + ((!βπ) Β· Ξ£π β (β€β₯β(π + 1))((-1βπ) / (!βπ))))) |
83 | | divrec 11885 |
. . . . . . . . . 10
β’
(((!βπ) β
β β§ e β β β§ e β 0) β ((!βπ) / e) = ((!βπ) Β· (1 /
e))) |
84 | 6, 8, 83 | mp3an23 1454 |
. . . . . . . . 9
β’
((!βπ) β
β β ((!βπ)
/ e) = ((!βπ)
Β· (1 / e))) |
85 | 4, 84 | syl 17 |
. . . . . . . 8
β’ (π β β β
((!βπ) / e) =
((!βπ) Β· (1 /
e))) |
86 | | df-e 16009 |
. . . . . . . . . . . 12
β’ e =
(expβ1) |
87 | 86 | oveq2i 7417 |
. . . . . . . . . . 11
β’ (1 / e) =
(1 / (expβ1)) |
88 | | efneg 16038 |
. . . . . . . . . . . 12
β’ (1 β
β β (expβ-1) = (1 / (expβ1))) |
89 | 31, 88 | ax-mp 5 |
. . . . . . . . . . 11
β’
(expβ-1) = (1 / (expβ1)) |
90 | | efval 16020 |
. . . . . . . . . . . 12
β’ (-1
β β β (expβ-1) = Ξ£π β β0 ((-1βπ) / (!βπ))) |
91 | 29, 90 | ax-mp 5 |
. . . . . . . . . . 11
β’
(expβ-1) = Ξ£π β β0 ((-1βπ) / (!βπ)) |
92 | 87, 89, 91 | 3eqtr2i 2767 |
. . . . . . . . . 10
β’ (1 / e) =
Ξ£π β
β0 ((-1βπ) / (!βπ)) |
93 | | nn0uz 12861 |
. . . . . . . . . . 11
β’
β0 = (β€β₯β0) |
94 | 42 | adantl 483 |
. . . . . . . . . . 11
β’ ((π β β β§ π β β0)
β ((π β
β0 β¦ ((-1βπ) / (!βπ)))βπ) = ((-1βπ) / (!βπ))) |
95 | 62 | adantl 483 |
. . . . . . . . . . 11
β’ ((π β β β§ π β β0)
β ((-1βπ) /
(!βπ)) β
β) |
96 | | 0nn0 12484 |
. . . . . . . . . . . . 13
β’ 0 β
β0 |
97 | 26 | eftlcvg 16046 |
. . . . . . . . . . . . 13
β’ ((-1
β β β§ 0 β β0) β seq0( + , (π β β0
β¦ ((-1βπ) /
(!βπ)))) β dom
β ) |
98 | 29, 96, 97 | mp2an 691 |
. . . . . . . . . . . 12
β’ seq0( + ,
(π β
β0 β¦ ((-1βπ) / (!βπ)))) β dom β |
99 | 98 | a1i 11 |
. . . . . . . . . . 11
β’ (π β β β seq0( + ,
(π β
β0 β¦ ((-1βπ) / (!βπ)))) β dom β ) |
100 | 93, 60, 39, 94, 95, 99 | isumsplit 15783 |
. . . . . . . . . 10
β’ (π β β β
Ξ£π β
β0 ((-1βπ) / (!βπ)) = (Ξ£π β (0...((π + 1) β 1))((-1βπ) / (!βπ)) + Ξ£π β (β€β₯β(π + 1))((-1βπ) / (!βπ)))) |
101 | 92, 100 | eqtrid 2785 |
. . . . . . . . 9
β’ (π β β β (1 / e) =
(Ξ£π β
(0...((π + 1) β
1))((-1βπ) /
(!βπ)) + Ξ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ)))) |
102 | 101 | oveq2d 7422 |
. . . . . . . 8
β’ (π β β β
((!βπ) Β· (1 /
e)) = ((!βπ) Β·
(Ξ£π β
(0...((π + 1) β
1))((-1βπ) /
(!βπ)) + Ξ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ))))) |
103 | | fzfid 13935 |
. . . . . . . . . 10
β’ (π β β β
(0...((π + 1) β 1))
β Fin) |
104 | | elfznn0 13591 |
. . . . . . . . . . . 12
β’ (π β (0...((π + 1) β 1)) β π β β0) |
105 | 104 | adantl 483 |
. . . . . . . . . . 11
β’ ((π β β β§ π β (0...((π + 1) β 1))) β π β β0) |
106 | 29, 105, 61 | sylancr 588 |
. . . . . . . . . 10
β’ ((π β β β§ π β (0...((π + 1) β 1))) β ((-1βπ) / (!βπ)) β β) |
107 | 103, 106 | fsumcl 15676 |
. . . . . . . . 9
β’ (π β β β
Ξ£π β
(0...((π + 1) β
1))((-1βπ) /
(!βπ)) β
β) |
108 | 4, 107, 66 | adddid 11235 |
. . . . . . . 8
β’ (π β β β
((!βπ) Β·
(Ξ£π β
(0...((π + 1) β
1))((-1βπ) /
(!βπ)) + Ξ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ)))) = (((!βπ) Β· Ξ£π β (0...((π + 1) β 1))((-1βπ) / (!βπ))) + ((!βπ) Β· Ξ£π β (β€β₯β(π + 1))((-1βπ) / (!βπ))))) |
109 | 85, 102, 108 | 3eqtrd 2777 |
. . . . . . 7
β’ (π β β β
((!βπ) / e) =
(((!βπ) Β·
Ξ£π β
(0...((π + 1) β
1))((-1βπ) /
(!βπ))) +
((!βπ) Β·
Ξ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ))))) |
110 | 82, 109 | eqtr4d 2776 |
. . . . . 6
β’ (π β β β ((πβπ) + ((!βπ) Β· Ξ£π β (β€β₯β(π + 1))((-1βπ) / (!βπ)))) = ((!βπ) / e)) |
111 | 4, 66 | mulcld 11231 |
. . . . . . 7
β’ (π β β β
((!βπ) Β·
Ξ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ))) β β) |
112 | 11, 17, 111 | subaddd 11586 |
. . . . . 6
β’ (π β β β
((((!βπ) / e) β
(πβπ)) = ((!βπ) Β· Ξ£π β (β€β₯β(π + 1))((-1βπ) / (!βπ))) β ((πβπ) + ((!βπ) Β· Ξ£π β (β€β₯β(π + 1))((-1βπ) / (!βπ)))) = ((!βπ) / e))) |
113 | 110, 112 | mpbird 257 |
. . . . 5
β’ (π β β β
(((!βπ) / e) β
(πβπ)) = ((!βπ) Β· Ξ£π β (β€β₯β(π + 1))((-1βπ) / (!βπ)))) |
114 | 113 | fveq2d 6893 |
. . . 4
β’ (π β β β
(absβ(((!βπ) /
e) β (πβπ))) = (absβ((!βπ) Β· Ξ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ))))) |
115 | 4, 66 | absmuld 15398 |
. . . 4
β’ (π β β β
(absβ((!βπ)
Β· Ξ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ)))) = ((absβ(!βπ)) Β· (absβΞ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ))))) |
116 | 3 | nnnn0d 12529 |
. . . . . . 7
β’ (π β β β
(!βπ) β
β0) |
117 | 116 | nn0ge0d 12532 |
. . . . . 6
β’ (π β β β 0 β€
(!βπ)) |
118 | 68, 117 | absidd 15366 |
. . . . 5
β’ (π β β β
(absβ(!βπ)) =
(!βπ)) |
119 | 118 | oveq1d 7421 |
. . . 4
β’ (π β β β
((absβ(!βπ))
Β· (absβΞ£π β (β€β₯β(π + 1))((-1βπ) / (!βπ)))) = ((!βπ) Β· (absβΞ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ))))) |
120 | 114, 115,
119 | 3eqtrd 2777 |
. . 3
β’ (π β β β
(absβ(((!βπ) /
e) β (πβπ))) = ((!βπ) Β·
(absβΞ£π β
(β€β₯β(π + 1))((-1βπ) / (!βπ))))) |
121 | | facp1 14235 |
. . . . . . . 8
β’ (π β β0
β (!β(π + 1)) =
((!βπ) Β·
(π + 1))) |
122 | 1, 121 | syl 17 |
. . . . . . 7
β’ (π β β β
(!β(π + 1)) =
((!βπ) Β·
(π + 1))) |
123 | 122 | oveq1d 7421 |
. . . . . 6
β’ (π β β β
((!β(π + 1)) Β·
(π + 1)) = (((!βπ) Β· (π + 1)) Β· (π + 1))) |
124 | 20 | nncnd 12225 |
. . . . . . 7
β’ (π β β β (π + 1) β
β) |
125 | 4, 124, 124 | mulassd 11234 |
. . . . . 6
β’ (π β β β
(((!βπ) Β·
(π + 1)) Β· (π + 1)) = ((!βπ) Β· ((π + 1) Β· (π + 1)))) |
126 | 123, 125 | eqtr2d 2774 |
. . . . 5
β’ (π β β β
((!βπ) Β·
((π + 1) Β· (π + 1))) = ((!β(π + 1)) Β· (π + 1))) |
127 | 126 | oveq2d 7422 |
. . . 4
β’ (π β β β
(((!βπ) Β·
((π + 1) + 1)) /
((!βπ) Β·
((π + 1) Β· (π + 1)))) = (((!βπ) Β· ((π + 1) + 1)) / ((!β(π + 1)) Β· (π + 1)))) |
128 | 21 | nncnd 12225 |
. . . . 5
β’ (π β β β ((π + 1) + 1) β
β) |
129 | 23 | nncnd 12225 |
. . . . 5
β’ (π β β β ((π + 1) Β· (π + 1)) β
β) |
130 | 23 | nnne0d 12259 |
. . . . 5
β’ (π β β β ((π + 1) Β· (π + 1)) β 0) |
131 | 3 | nnne0d 12259 |
. . . . 5
β’ (π β β β
(!βπ) β
0) |
132 | 128, 129,
4, 130, 131 | divcan5d 12013 |
. . . 4
β’ (π β β β
(((!βπ) Β·
((π + 1) + 1)) /
((!βπ) Β·
((π + 1) Β· (π + 1)))) = (((π + 1) + 1) / ((π + 1) Β· (π + 1)))) |
133 | 54 | nncnd 12225 |
. . . . 5
β’ (π β β β
((!β(π + 1)) Β·
(π + 1)) β
β) |
134 | 54 | nnne0d 12259 |
. . . . 5
β’ (π β β β
((!β(π + 1)) Β·
(π + 1)) β
0) |
135 | 4, 128, 133, 134 | divassd 12022 |
. . . 4
β’ (π β β β
(((!βπ) Β·
((π + 1) + 1)) /
((!β(π + 1)) Β·
(π + 1))) = ((!βπ) Β· (((π + 1) + 1) / ((!β(π + 1)) Β· (π + 1))))) |
136 | 127, 132,
135 | 3eqtr3d 2781 |
. . 3
β’ (π β β β (((π + 1) + 1) / ((π + 1) Β· (π + 1))) = ((!βπ) Β· (((π + 1) + 1) / ((!β(π + 1)) Β· (π + 1))))) |
137 | 72, 120, 136 | 3brtr4d 5180 |
. 2
β’ (π β β β
(absβ(((!βπ) /
e) β (πβπ))) β€ (((π + 1) + 1) / ((π + 1) Β· (π + 1)))) |
138 | | nnmulcl 12233 |
. . . . . . 7
β’ ((((π + 1) + 1) β β β§
π β β) β
(((π + 1) + 1) Β·
π) β
β) |
139 | 21, 138 | mpancom 687 |
. . . . . 6
β’ (π β β β (((π + 1) + 1) Β· π) β
β) |
140 | 139 | nnred 12224 |
. . . . 5
β’ (π β β β (((π + 1) + 1) Β· π) β
β) |
141 | 140 | ltp1d 12141 |
. . . 4
β’ (π β β β (((π + 1) + 1) Β· π) < ((((π + 1) + 1) Β· π) + 1)) |
142 | 129 | mullidd 11229 |
. . . . 5
β’ (π β β β (1
Β· ((π + 1) Β·
(π + 1))) = ((π + 1) Β· (π + 1))) |
143 | 31 | a1i 11 |
. . . . . 6
β’ (π β β β 1 β
β) |
144 | 75, 143, 124 | adddird 11236 |
. . . . 5
β’ (π β β β ((π + 1) Β· (π + 1)) = ((π Β· (π + 1)) + (1 Β· (π + 1)))) |
145 | 75, 124 | mulcomd 11232 |
. . . . . . 7
β’ (π β β β (π Β· (π + 1)) = ((π + 1) Β· π)) |
146 | 124 | mullidd 11229 |
. . . . . . 7
β’ (π β β β (1
Β· (π + 1)) = (π + 1)) |
147 | 145, 146 | oveq12d 7424 |
. . . . . 6
β’ (π β β β ((π Β· (π + 1)) + (1 Β· (π + 1))) = (((π + 1) Β· π) + (π + 1))) |
148 | 124, 143,
75 | adddird 11236 |
. . . . . . . 8
β’ (π β β β (((π + 1) + 1) Β· π) = (((π + 1) Β· π) + (1 Β· π))) |
149 | 148 | oveq1d 7421 |
. . . . . . 7
β’ (π β β β ((((π + 1) + 1) Β· π) + 1) = ((((π + 1) Β· π) + (1 Β· π)) + 1)) |
150 | 75 | mullidd 11229 |
. . . . . . . . 9
β’ (π β β β (1
Β· π) = π) |
151 | 150 | oveq2d 7422 |
. . . . . . . 8
β’ (π β β β (((π + 1) Β· π) + (1 Β· π)) = (((π + 1) Β· π) + π)) |
152 | 151 | oveq1d 7421 |
. . . . . . 7
β’ (π β β β ((((π + 1) Β· π) + (1 Β· π)) + 1) = ((((π + 1) Β· π) + π) + 1)) |
153 | 124, 75 | mulcld 11231 |
. . . . . . . 8
β’ (π β β β ((π + 1) Β· π) β β) |
154 | 153, 75, 143 | addassd 11233 |
. . . . . . 7
β’ (π β β β ((((π + 1) Β· π) + π) + 1) = (((π + 1) Β· π) + (π + 1))) |
155 | 149, 152,
154 | 3eqtrd 2777 |
. . . . . 6
β’ (π β β β ((((π + 1) + 1) Β· π) + 1) = (((π + 1) Β· π) + (π + 1))) |
156 | 147, 155 | eqtr4d 2776 |
. . . . 5
β’ (π β β β ((π Β· (π + 1)) + (1 Β· (π + 1))) = ((((π + 1) + 1) Β· π) + 1)) |
157 | 142, 144,
156 | 3eqtrd 2777 |
. . . 4
β’ (π β β β (1
Β· ((π + 1) Β·
(π + 1))) = ((((π + 1) + 1) Β· π) + 1)) |
158 | 141, 157 | breqtrrd 5176 |
. . 3
β’ (π β β β (((π + 1) + 1) Β· π) < (1 Β· ((π + 1) Β· (π + 1)))) |
159 | | nnre 12216 |
. . . . 5
β’ (π β β β π β
β) |
160 | | nngt0 12240 |
. . . . 5
β’ (π β β β 0 <
π) |
161 | 159, 160 | jca 513 |
. . . 4
β’ (π β β β (π β β β§ 0 <
π)) |
162 | | 1red 11212 |
. . . 4
β’ (π β β β 1 β
β) |
163 | | nnre 12216 |
. . . . . 6
β’ (((π + 1) Β· (π + 1)) β β β
((π + 1) Β· (π + 1)) β
β) |
164 | | nngt0 12240 |
. . . . . 6
β’ (((π + 1) Β· (π + 1)) β β β 0
< ((π + 1) Β·
(π + 1))) |
165 | 163, 164 | jca 513 |
. . . . 5
β’ (((π + 1) Β· (π + 1)) β β β
(((π + 1) Β· (π + 1)) β β β§ 0
< ((π + 1) Β·
(π + 1)))) |
166 | 23, 165 | syl 17 |
. . . 4
β’ (π β β β (((π + 1) Β· (π + 1)) β β β§ 0
< ((π + 1) Β·
(π + 1)))) |
167 | | lt2mul2div 12089 |
. . . 4
β’
(((((π + 1) + 1)
β β β§ (π
β β β§ 0 < π)) β§ (1 β β β§ (((π + 1) Β· (π + 1)) β β β§ 0
< ((π + 1) Β·
(π + 1))))) β
((((π + 1) + 1) Β·
π) < (1 Β· ((π + 1) Β· (π + 1))) β (((π + 1) + 1) / ((π + 1) Β· (π + 1))) < (1 / π))) |
168 | 22, 161, 162, 166, 167 | syl22anc 838 |
. . 3
β’ (π β β β ((((π + 1) + 1) Β· π) < (1 Β· ((π + 1) Β· (π + 1))) β (((π + 1) + 1) / ((π + 1) Β· (π + 1))) < (1 / π))) |
169 | 158, 168 | mpbid 231 |
. 2
β’ (π β β β (((π + 1) + 1) / ((π + 1) Β· (π + 1))) < (1 / π)) |
170 | 19, 24, 25, 137, 169 | lelttrd 11369 |
1
β’ (π β β β
(absβ(((!βπ) /
e) β (πβπ))) < (1 / π)) |