Step |
Hyp |
Ref |
Expression |
1 |
|
itsclquadb.q |
|
2 |
|
itsclquadb.t |
|
3 |
|
itsclquadb.u |
|
4 |
|
simpl1 |
|
5 |
|
simp2 |
|
6 |
5
|
adantr |
|
7 |
|
simp3 |
|
8 |
7
|
anim1ci |
|
9 |
1 2 3
|
itscnhlc0yqe |
|
10 |
4 6 8 9
|
syl3anc |
|
11 |
10
|
rexlimdva |
|
12 |
|
simp3 |
|
13 |
12
|
3ad2ant1 |
|
14 |
|
simp2 |
|
15 |
14
|
3ad2ant1 |
|
16 |
15 7
|
remulcld |
|
17 |
13 16
|
resubcld |
|
18 |
|
simp11l |
|
19 |
|
simp11r |
|
20 |
17 18 19
|
redivcld |
|
21 |
20
|
adantr |
|
22 |
|
oveq1 |
|
23 |
22
|
oveq1d |
|
24 |
23
|
eqeq1d |
|
25 |
|
oveq2 |
|
26 |
25
|
oveq1d |
|
27 |
26
|
eqeq1d |
|
28 |
24 27
|
anbi12d |
|
29 |
28
|
adantl |
|
30 |
17
|
recnd |
|
31 |
18
|
recnd |
|
32 |
30 31 19
|
sqdivd |
|
33 |
13
|
recnd |
|
34 |
16
|
recnd |
|
35 |
|
binom2sub |
|
36 |
33 34 35
|
syl2anc |
|
37 |
13
|
resqcld |
|
38 |
37
|
recnd |
|
39 |
|
2re |
|
40 |
39
|
a1i |
|
41 |
13 16
|
remulcld |
|
42 |
40 41
|
remulcld |
|
43 |
42
|
recnd |
|
44 |
38 43
|
negsubd |
|
45 |
15
|
recnd |
|
46 |
7
|
recnd |
|
47 |
33 45 46
|
mulassd |
|
48 |
47
|
eqcomd |
|
49 |
48
|
oveq2d |
|
50 |
|
2cnd |
|
51 |
13 15
|
remulcld |
|
52 |
51
|
recnd |
|
53 |
50 52 46
|
mulassd |
|
54 |
53
|
eqcomd |
|
55 |
33 45
|
mulcomd |
|
56 |
55
|
oveq2d |
|
57 |
56
|
oveq1d |
|
58 |
49 54 57
|
3eqtrd |
|
59 |
58
|
negeqd |
|
60 |
59
|
oveq2d |
|
61 |
44 60
|
eqtr3d |
|
62 |
45 46
|
sqmuld |
|
63 |
61 62
|
oveq12d |
|
64 |
15 13
|
remulcld |
|
65 |
40 64
|
remulcld |
|
66 |
65
|
recnd |
|
67 |
66 46
|
mulneg1d |
|
68 |
2
|
eqcomi |
|
69 |
68
|
oveq1i |
|
70 |
69
|
a1i |
|
71 |
67 70
|
eqtr3d |
|
72 |
71
|
oveq2d |
|
73 |
72
|
oveq1d |
|
74 |
36 63 73
|
3eqtrd |
|
75 |
74
|
oveq1d |
|
76 |
32 75
|
eqtrd |
|
77 |
|
resqcl |
|
78 |
77
|
recnd |
|
79 |
78
|
3ad2ant3 |
|
80 |
18
|
resqcld |
|
81 |
80
|
recnd |
|
82 |
|
recn |
|
83 |
|
sqne0 |
|
84 |
82 83
|
syl |
|
85 |
84
|
biimpar |
|
86 |
85
|
3ad2ant1 |
|
87 |
86
|
3ad2ant1 |
|
88 |
79 81 87
|
divcan2d |
|
89 |
88
|
eqcomd |
|
90 |
76 89
|
oveq12d |
|
91 |
81 79 81 87
|
divassd |
|
92 |
91
|
eqcomd |
|
93 |
92
|
oveq2d |
|
94 |
65
|
renegcld |
|
95 |
2 94
|
eqeltrid |
|
96 |
95 7
|
remulcld |
|
97 |
37 96
|
readdcld |
|
98 |
15
|
resqcld |
|
99 |
7
|
resqcld |
|
100 |
98 99
|
remulcld |
|
101 |
97 100
|
readdcld |
|
102 |
101
|
recnd |
|
103 |
80 99
|
remulcld |
|
104 |
103
|
recnd |
|
105 |
102 104 81 87
|
divdird |
|
106 |
105
|
eqcomd |
|
107 |
90 93 106
|
3eqtrd |
|
108 |
107
|
adantr |
|
109 |
97
|
recnd |
|
110 |
100
|
recnd |
|
111 |
109 110 104
|
addassd |
|
112 |
98
|
recnd |
|
113 |
99
|
recnd |
|
114 |
112 81 113
|
adddird |
|
115 |
112 81
|
addcomd |
|
116 |
115
|
oveq1d |
|
117 |
114 116
|
eqtr3d |
|
118 |
117
|
oveq2d |
|
119 |
96
|
recnd |
|
120 |
80 98
|
readdcld |
|
121 |
120 99
|
remulcld |
|
122 |
121
|
recnd |
|
123 |
38 119 122
|
addassd |
|
124 |
119 122
|
addcomd |
|
125 |
124
|
oveq2d |
|
126 |
123 125
|
eqtrd |
|
127 |
111 118 126
|
3eqtrd |
|
128 |
127
|
adantr |
|
129 |
128
|
oveq1d |
|
130 |
1
|
oveq1i |
|
131 |
3
|
oveq2i |
|
132 |
130 131
|
oveq12i |
|
133 |
|
rpre |
|
134 |
133
|
resqcld |
|
135 |
134
|
3ad2ant2 |
|
136 |
80 135
|
remulcld |
|
137 |
37 136
|
resubcld |
|
138 |
137
|
recnd |
|
139 |
122 119 138
|
addassd |
|
140 |
132 139
|
eqtr4id |
|
141 |
140
|
eqeq1d |
|
142 |
121 96
|
readdcld |
|
143 |
142
|
recnd |
|
144 |
|
addeq0 |
|
145 |
143 138 144
|
syl2anc |
|
146 |
141 145
|
bitrd |
|
147 |
|
oveq2 |
|
148 |
147
|
oveq1d |
|
149 |
38 138
|
negsubd |
|
150 |
136
|
recnd |
|
151 |
38 150
|
nncand |
|
152 |
149 151
|
eqtrd |
|
153 |
152
|
oveq1d |
|
154 |
135
|
recnd |
|
155 |
154 81 87
|
divcan3d |
|
156 |
153 155
|
eqtrd |
|
157 |
148 156
|
sylan9eqr |
|
158 |
157
|
ex |
|
159 |
146 158
|
sylbid |
|
160 |
159
|
imp |
|
161 |
108 129 160
|
3eqtrd |
|
162 |
30 31 19
|
divcan2d |
|
163 |
162
|
oveq1d |
|
164 |
33 34
|
npcand |
|
165 |
163 164
|
eqtrd |
|
166 |
165
|
adantr |
|
167 |
161 166
|
jca |
|
168 |
21 29 167
|
rspcedvd |
|
169 |
168
|
ex |
|
170 |
11 169
|
impbid |
|