Step |
Hyp |
Ref |
Expression |
1 |
|
ffvelrn |
|
2 |
1
|
recnd |
|
3 |
|
i1ff |
|
4 |
3
|
ffvelrnda |
|
5 |
4
|
recnd |
|
6 |
|
subcl |
|
7 |
2 5 6
|
syl2anr |
|
8 |
7
|
anandirs |
|
9 |
8
|
abscld |
|
10 |
9
|
rexrd |
|
11 |
8
|
absge0d |
|
12 |
|
elxrge0 |
|
13 |
10 11 12
|
sylanbrc |
|
14 |
13
|
fmpttd |
|
15 |
14
|
3adant2 |
|
16 |
|
reex |
|
17 |
16
|
a1i |
|
18 |
|
fvexd |
|
19 |
|
fvexd |
|
20 |
|
eqidd |
|
21 |
|
eqidd |
|
22 |
17 18 19 20 21
|
offval2 |
|
23 |
22
|
fveq2d |
|
24 |
|
id |
|
25 |
24
|
feqmptd |
|
26 |
|
absf |
|
27 |
26
|
a1i |
|
28 |
27
|
feqmptd |
|
29 |
|
fveq2 |
|
30 |
2 25 28 29
|
fmptco |
|
31 |
30
|
adantl |
|
32 |
|
iblmbf |
|
33 |
|
ftc1anclem1 |
|
34 |
32 33
|
sylan2 |
|
35 |
34
|
ancoms |
|
36 |
31 35
|
eqeltrrd |
|
37 |
36
|
3adant1 |
|
38 |
2
|
abscld |
|
39 |
2
|
absge0d |
|
40 |
|
elrege0 |
|
41 |
38 39 40
|
sylanbrc |
|
42 |
41
|
fmpttd |
|
43 |
42
|
3ad2ant3 |
|
44 |
|
iftrue |
|
45 |
44
|
mpteq2ia |
|
46 |
45
|
fveq2i |
|
47 |
1
|
adantll |
|
48 |
|
simpr |
|
49 |
48
|
feqmptd |
|
50 |
|
simpl |
|
51 |
49 50
|
eqeltrrd |
|
52 |
47 51 36
|
iblabsnc |
|
53 |
38
|
adantll |
|
54 |
39
|
adantll |
|
55 |
53 54
|
iblpos |
|
56 |
52 55
|
mpbid |
|
57 |
56
|
simprd |
|
58 |
46 57
|
eqeltrrid |
|
59 |
58
|
3adant1 |
|
60 |
5
|
abscld |
|
61 |
5
|
absge0d |
|
62 |
|
elrege0 |
|
63 |
60 61 62
|
sylanbrc |
|
64 |
63
|
fmpttd |
|
65 |
64
|
3ad2ant1 |
|
66 |
|
iftrue |
|
67 |
66
|
mpteq2ia |
|
68 |
67
|
fveq2i |
|
69 |
3
|
feqmptd |
|
70 |
|
i1fibl |
|
71 |
69 70
|
eqeltrrd |
|
72 |
26
|
a1i |
|
73 |
72
|
feqmptd |
|
74 |
|
fveq2 |
|
75 |
5 69 73 74
|
fmptco |
|
76 |
|
i1fmbf |
|
77 |
|
ftc1anclem1 |
|
78 |
3 76 77
|
syl2anc |
|
79 |
75 78
|
eqeltrrd |
|
80 |
4 71 79
|
iblabsnc |
|
81 |
60 61
|
iblpos |
|
82 |
80 81
|
mpbid |
|
83 |
82
|
simprd |
|
84 |
68 83
|
eqeltrrid |
|
85 |
84
|
3ad2ant1 |
|
86 |
37 43 59 65 85
|
itg2addnc |
|
87 |
23 86
|
eqtr3d |
|
88 |
59 85
|
readdcld |
|
89 |
87 88
|
eqeltrd |
|
90 |
|
readdcl |
|
91 |
38 60 90
|
syl2anr |
|
92 |
91
|
anandirs |
|
93 |
92
|
rexrd |
|
94 |
38
|
adantll |
|
95 |
60
|
adantlr |
|
96 |
39
|
adantll |
|
97 |
61
|
adantlr |
|
98 |
94 95 96 97
|
addge0d |
|
99 |
|
elxrge0 |
|
100 |
93 98 99
|
sylanbrc |
|
101 |
100
|
fmpttd |
|
102 |
101
|
3adant2 |
|
103 |
|
abs2dif2 |
|
104 |
2 5 103
|
syl2anr |
|
105 |
104
|
anandirs |
|
106 |
105
|
ralrimiva |
|
107 |
16
|
a1i |
|
108 |
|
eqidd |
|
109 |
|
eqidd |
|
110 |
107 9 92 108 109
|
ofrfval2 |
|
111 |
106 110
|
mpbird |
|
112 |
111
|
3adant2 |
|
113 |
|
itg2le |
|
114 |
15 102 112 113
|
syl3anc |
|
115 |
|
itg2lecl |
|
116 |
15 89 114 115
|
syl3anc |
|