| Step |
Hyp |
Ref |
Expression |
| 1 |
|
quart1.a |
|- ( ph -> A e. CC ) |
| 2 |
|
quart1.b |
|- ( ph -> B e. CC ) |
| 3 |
|
quart1.c |
|- ( ph -> C e. CC ) |
| 4 |
|
quart1.d |
|- ( ph -> D e. CC ) |
| 5 |
|
quart1.p |
|- ( ph -> P = ( B - ( ( 3 / 8 ) x. ( A ^ 2 ) ) ) ) |
| 6 |
|
quart1.q |
|- ( ph -> Q = ( ( C - ( ( A x. B ) / 2 ) ) + ( ( A ^ 3 ) / 8 ) ) ) |
| 7 |
|
quart1.r |
|- ( ph -> R = ( ( D - ( ( C x. A ) / 4 ) ) + ( ( ( ( A ^ 2 ) x. B ) / ; 1 6 ) - ( ( 3 / ; ; 2 5 6 ) x. ( A ^ 4 ) ) ) ) ) |
| 8 |
|
quart1.x |
|- ( ph -> X e. CC ) |
| 9 |
|
quart1.y |
|- ( ph -> Y = ( X + ( A / 4 ) ) ) |
| 10 |
9
|
oveq1d |
|- ( ph -> ( Y ^ 4 ) = ( ( X + ( A / 4 ) ) ^ 4 ) ) |
| 11 |
|
4cn |
|- 4 e. CC |
| 12 |
11
|
a1i |
|- ( ph -> 4 e. CC ) |
| 13 |
|
4ne0 |
|- 4 =/= 0 |
| 14 |
13
|
a1i |
|- ( ph -> 4 =/= 0 ) |
| 15 |
1 12 14
|
divcld |
|- ( ph -> ( A / 4 ) e. CC ) |
| 16 |
|
binom4 |
|- ( ( X e. CC /\ ( A / 4 ) e. CC ) -> ( ( X + ( A / 4 ) ) ^ 4 ) = ( ( ( X ^ 4 ) + ( 4 x. ( ( X ^ 3 ) x. ( A / 4 ) ) ) ) + ( ( 6 x. ( ( X ^ 2 ) x. ( ( A / 4 ) ^ 2 ) ) ) + ( ( 4 x. ( X x. ( ( A / 4 ) ^ 3 ) ) ) + ( ( A / 4 ) ^ 4 ) ) ) ) ) |
| 17 |
8 15 16
|
syl2anc |
|- ( ph -> ( ( X + ( A / 4 ) ) ^ 4 ) = ( ( ( X ^ 4 ) + ( 4 x. ( ( X ^ 3 ) x. ( A / 4 ) ) ) ) + ( ( 6 x. ( ( X ^ 2 ) x. ( ( A / 4 ) ^ 2 ) ) ) + ( ( 4 x. ( X x. ( ( A / 4 ) ^ 3 ) ) ) + ( ( A / 4 ) ^ 4 ) ) ) ) ) |
| 18 |
|
3nn0 |
|- 3 e. NN0 |
| 19 |
|
expcl |
|- ( ( X e. CC /\ 3 e. NN0 ) -> ( X ^ 3 ) e. CC ) |
| 20 |
8 18 19
|
sylancl |
|- ( ph -> ( X ^ 3 ) e. CC ) |
| 21 |
12 20 15
|
mul12d |
|- ( ph -> ( 4 x. ( ( X ^ 3 ) x. ( A / 4 ) ) ) = ( ( X ^ 3 ) x. ( 4 x. ( A / 4 ) ) ) ) |
| 22 |
1 12 14
|
divcan2d |
|- ( ph -> ( 4 x. ( A / 4 ) ) = A ) |
| 23 |
22
|
oveq2d |
|- ( ph -> ( ( X ^ 3 ) x. ( 4 x. ( A / 4 ) ) ) = ( ( X ^ 3 ) x. A ) ) |
| 24 |
20 1
|
mulcomd |
|- ( ph -> ( ( X ^ 3 ) x. A ) = ( A x. ( X ^ 3 ) ) ) |
| 25 |
21 23 24
|
3eqtrd |
|- ( ph -> ( 4 x. ( ( X ^ 3 ) x. ( A / 4 ) ) ) = ( A x. ( X ^ 3 ) ) ) |
| 26 |
25
|
oveq2d |
|- ( ph -> ( ( X ^ 4 ) + ( 4 x. ( ( X ^ 3 ) x. ( A / 4 ) ) ) ) = ( ( X ^ 4 ) + ( A x. ( X ^ 3 ) ) ) ) |
| 27 |
|
6nn |
|- 6 e. NN |
| 28 |
27
|
nncni |
|- 6 e. CC |
| 29 |
28
|
a1i |
|- ( ph -> 6 e. CC ) |
| 30 |
15
|
sqcld |
|- ( ph -> ( ( A / 4 ) ^ 2 ) e. CC ) |
| 31 |
8
|
sqcld |
|- ( ph -> ( X ^ 2 ) e. CC ) |
| 32 |
29 30 31
|
mulassd |
|- ( ph -> ( ( 6 x. ( ( A / 4 ) ^ 2 ) ) x. ( X ^ 2 ) ) = ( 6 x. ( ( ( A / 4 ) ^ 2 ) x. ( X ^ 2 ) ) ) ) |
| 33 |
|
2t3e6 |
|- ( 2 x. 3 ) = 6 |
| 34 |
|
8cn |
|- 8 e. CC |
| 35 |
|
2cn |
|- 2 e. CC |
| 36 |
|
8t2e16 |
|- ( 8 x. 2 ) = ; 1 6 |
| 37 |
34 35 36
|
mulcomli |
|- ( 2 x. 8 ) = ; 1 6 |
| 38 |
33 37
|
oveq12i |
|- ( ( 2 x. 3 ) / ( 2 x. 8 ) ) = ( 6 / ; 1 6 ) |
| 39 |
|
3cn |
|- 3 e. CC |
| 40 |
|
8nn |
|- 8 e. NN |
| 41 |
40
|
nnne0i |
|- 8 =/= 0 |
| 42 |
34 41
|
pm3.2i |
|- ( 8 e. CC /\ 8 =/= 0 ) |
| 43 |
|
2cnne0 |
|- ( 2 e. CC /\ 2 =/= 0 ) |
| 44 |
|
divcan5 |
|- ( ( 3 e. CC /\ ( 8 e. CC /\ 8 =/= 0 ) /\ ( 2 e. CC /\ 2 =/= 0 ) ) -> ( ( 2 x. 3 ) / ( 2 x. 8 ) ) = ( 3 / 8 ) ) |
| 45 |
39 42 43 44
|
mp3an |
|- ( ( 2 x. 3 ) / ( 2 x. 8 ) ) = ( 3 / 8 ) |
| 46 |
38 45
|
eqtr3i |
|- ( 6 / ; 1 6 ) = ( 3 / 8 ) |
| 47 |
46
|
oveq2i |
|- ( ( A ^ 2 ) x. ( 6 / ; 1 6 ) ) = ( ( A ^ 2 ) x. ( 3 / 8 ) ) |
| 48 |
1
|
sqcld |
|- ( ph -> ( A ^ 2 ) e. CC ) |
| 49 |
|
1nn0 |
|- 1 e. NN0 |
| 50 |
49 27
|
decnncl |
|- ; 1 6 e. NN |
| 51 |
50
|
nncni |
|- ; 1 6 e. CC |
| 52 |
51
|
a1i |
|- ( ph -> ; 1 6 e. CC ) |
| 53 |
50
|
nnne0i |
|- ; 1 6 =/= 0 |
| 54 |
53
|
a1i |
|- ( ph -> ; 1 6 =/= 0 ) |
| 55 |
48 29 52 54
|
div12d |
|- ( ph -> ( ( A ^ 2 ) x. ( 6 / ; 1 6 ) ) = ( 6 x. ( ( A ^ 2 ) / ; 1 6 ) ) ) |
| 56 |
47 55
|
eqtr3id |
|- ( ph -> ( ( A ^ 2 ) x. ( 3 / 8 ) ) = ( 6 x. ( ( A ^ 2 ) / ; 1 6 ) ) ) |
| 57 |
39 34 41
|
divcli |
|- ( 3 / 8 ) e. CC |
| 58 |
|
mulcom |
|- ( ( ( 3 / 8 ) e. CC /\ ( A ^ 2 ) e. CC ) -> ( ( 3 / 8 ) x. ( A ^ 2 ) ) = ( ( A ^ 2 ) x. ( 3 / 8 ) ) ) |
| 59 |
57 48 58
|
sylancr |
|- ( ph -> ( ( 3 / 8 ) x. ( A ^ 2 ) ) = ( ( A ^ 2 ) x. ( 3 / 8 ) ) ) |
| 60 |
1 12 14
|
sqdivd |
|- ( ph -> ( ( A / 4 ) ^ 2 ) = ( ( A ^ 2 ) / ( 4 ^ 2 ) ) ) |
| 61 |
11
|
sqvali |
|- ( 4 ^ 2 ) = ( 4 x. 4 ) |
| 62 |
|
4t4e16 |
|- ( 4 x. 4 ) = ; 1 6 |
| 63 |
61 62
|
eqtri |
|- ( 4 ^ 2 ) = ; 1 6 |
| 64 |
63
|
oveq2i |
|- ( ( A ^ 2 ) / ( 4 ^ 2 ) ) = ( ( A ^ 2 ) / ; 1 6 ) |
| 65 |
60 64
|
eqtrdi |
|- ( ph -> ( ( A / 4 ) ^ 2 ) = ( ( A ^ 2 ) / ; 1 6 ) ) |
| 66 |
65
|
oveq2d |
|- ( ph -> ( 6 x. ( ( A / 4 ) ^ 2 ) ) = ( 6 x. ( ( A ^ 2 ) / ; 1 6 ) ) ) |
| 67 |
56 59 66
|
3eqtr4d |
|- ( ph -> ( ( 3 / 8 ) x. ( A ^ 2 ) ) = ( 6 x. ( ( A / 4 ) ^ 2 ) ) ) |
| 68 |
67
|
oveq1d |
|- ( ph -> ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) = ( ( 6 x. ( ( A / 4 ) ^ 2 ) ) x. ( X ^ 2 ) ) ) |
| 69 |
31 30
|
mulcomd |
|- ( ph -> ( ( X ^ 2 ) x. ( ( A / 4 ) ^ 2 ) ) = ( ( ( A / 4 ) ^ 2 ) x. ( X ^ 2 ) ) ) |
| 70 |
69
|
oveq2d |
|- ( ph -> ( 6 x. ( ( X ^ 2 ) x. ( ( A / 4 ) ^ 2 ) ) ) = ( 6 x. ( ( ( A / 4 ) ^ 2 ) x. ( X ^ 2 ) ) ) ) |
| 71 |
32 68 70
|
3eqtr4rd |
|- ( ph -> ( 6 x. ( ( X ^ 2 ) x. ( ( A / 4 ) ^ 2 ) ) ) = ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) ) |
| 72 |
|
expcl |
|- ( ( ( A / 4 ) e. CC /\ 3 e. NN0 ) -> ( ( A / 4 ) ^ 3 ) e. CC ) |
| 73 |
15 18 72
|
sylancl |
|- ( ph -> ( ( A / 4 ) ^ 3 ) e. CC ) |
| 74 |
12 8 73
|
mul12d |
|- ( ph -> ( 4 x. ( X x. ( ( A / 4 ) ^ 3 ) ) ) = ( X x. ( 4 x. ( ( A / 4 ) ^ 3 ) ) ) ) |
| 75 |
12 73
|
mulcld |
|- ( ph -> ( 4 x. ( ( A / 4 ) ^ 3 ) ) e. CC ) |
| 76 |
8 75
|
mulcomd |
|- ( ph -> ( X x. ( 4 x. ( ( A / 4 ) ^ 3 ) ) ) = ( ( 4 x. ( ( A / 4 ) ^ 3 ) ) x. X ) ) |
| 77 |
|
df-3 |
|- 3 = ( 2 + 1 ) |
| 78 |
77
|
oveq2i |
|- ( 4 ^ 3 ) = ( 4 ^ ( 2 + 1 ) ) |
| 79 |
|
2nn0 |
|- 2 e. NN0 |
| 80 |
|
expp1 |
|- ( ( 4 e. CC /\ 2 e. NN0 ) -> ( 4 ^ ( 2 + 1 ) ) = ( ( 4 ^ 2 ) x. 4 ) ) |
| 81 |
11 79 80
|
mp2an |
|- ( 4 ^ ( 2 + 1 ) ) = ( ( 4 ^ 2 ) x. 4 ) |
| 82 |
63
|
oveq1i |
|- ( ( 4 ^ 2 ) x. 4 ) = ( ; 1 6 x. 4 ) |
| 83 |
78 81 82
|
3eqtri |
|- ( 4 ^ 3 ) = ( ; 1 6 x. 4 ) |
| 84 |
83
|
oveq2i |
|- ( ( A ^ 3 ) / ( 4 ^ 3 ) ) = ( ( A ^ 3 ) / ( ; 1 6 x. 4 ) ) |
| 85 |
18
|
a1i |
|- ( ph -> 3 e. NN0 ) |
| 86 |
1 12 14 85
|
expdivd |
|- ( ph -> ( ( A / 4 ) ^ 3 ) = ( ( A ^ 3 ) / ( 4 ^ 3 ) ) ) |
| 87 |
|
expcl |
|- ( ( A e. CC /\ 3 e. NN0 ) -> ( A ^ 3 ) e. CC ) |
| 88 |
1 18 87
|
sylancl |
|- ( ph -> ( A ^ 3 ) e. CC ) |
| 89 |
88 52 12 54 14
|
divdiv1d |
|- ( ph -> ( ( ( A ^ 3 ) / ; 1 6 ) / 4 ) = ( ( A ^ 3 ) / ( ; 1 6 x. 4 ) ) ) |
| 90 |
84 86 89
|
3eqtr4a |
|- ( ph -> ( ( A / 4 ) ^ 3 ) = ( ( ( A ^ 3 ) / ; 1 6 ) / 4 ) ) |
| 91 |
90
|
oveq2d |
|- ( ph -> ( 4 x. ( ( A / 4 ) ^ 3 ) ) = ( 4 x. ( ( ( A ^ 3 ) / ; 1 6 ) / 4 ) ) ) |
| 92 |
36
|
oveq2i |
|- ( ( A ^ 3 ) / ( 8 x. 2 ) ) = ( ( A ^ 3 ) / ; 1 6 ) |
| 93 |
34
|
a1i |
|- ( ph -> 8 e. CC ) |
| 94 |
35
|
a1i |
|- ( ph -> 2 e. CC ) |
| 95 |
41
|
a1i |
|- ( ph -> 8 =/= 0 ) |
| 96 |
|
2ne0 |
|- 2 =/= 0 |
| 97 |
96
|
a1i |
|- ( ph -> 2 =/= 0 ) |
| 98 |
88 93 94 95 97
|
divdiv1d |
|- ( ph -> ( ( ( A ^ 3 ) / 8 ) / 2 ) = ( ( A ^ 3 ) / ( 8 x. 2 ) ) ) |
| 99 |
88 52 54
|
divcld |
|- ( ph -> ( ( A ^ 3 ) / ; 1 6 ) e. CC ) |
| 100 |
99 12 14
|
divcan2d |
|- ( ph -> ( 4 x. ( ( ( A ^ 3 ) / ; 1 6 ) / 4 ) ) = ( ( A ^ 3 ) / ; 1 6 ) ) |
| 101 |
92 98 100
|
3eqtr4a |
|- ( ph -> ( ( ( A ^ 3 ) / 8 ) / 2 ) = ( 4 x. ( ( ( A ^ 3 ) / ; 1 6 ) / 4 ) ) ) |
| 102 |
91 101
|
eqtr4d |
|- ( ph -> ( 4 x. ( ( A / 4 ) ^ 3 ) ) = ( ( ( A ^ 3 ) / 8 ) / 2 ) ) |
| 103 |
102
|
oveq1d |
|- ( ph -> ( ( 4 x. ( ( A / 4 ) ^ 3 ) ) x. X ) = ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) ) |
| 104 |
74 76 103
|
3eqtrd |
|- ( ph -> ( 4 x. ( X x. ( ( A / 4 ) ^ 3 ) ) ) = ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) ) |
| 105 |
|
4nn0 |
|- 4 e. NN0 |
| 106 |
105
|
a1i |
|- ( ph -> 4 e. NN0 ) |
| 107 |
1 12 14 106
|
expdivd |
|- ( ph -> ( ( A / 4 ) ^ 4 ) = ( ( A ^ 4 ) / ( 4 ^ 4 ) ) ) |
| 108 |
|
expmul |
|- ( ( 2 e. CC /\ 2 e. NN0 /\ 4 e. NN0 ) -> ( 2 ^ ( 2 x. 4 ) ) = ( ( 2 ^ 2 ) ^ 4 ) ) |
| 109 |
35 79 105 108
|
mp3an |
|- ( 2 ^ ( 2 x. 4 ) ) = ( ( 2 ^ 2 ) ^ 4 ) |
| 110 |
|
4t2e8 |
|- ( 4 x. 2 ) = 8 |
| 111 |
11 35 110
|
mulcomli |
|- ( 2 x. 4 ) = 8 |
| 112 |
111
|
oveq2i |
|- ( 2 ^ ( 2 x. 4 ) ) = ( 2 ^ 8 ) |
| 113 |
109 112
|
eqtr3i |
|- ( ( 2 ^ 2 ) ^ 4 ) = ( 2 ^ 8 ) |
| 114 |
|
sq2 |
|- ( 2 ^ 2 ) = 4 |
| 115 |
114
|
oveq1i |
|- ( ( 2 ^ 2 ) ^ 4 ) = ( 4 ^ 4 ) |
| 116 |
113 115
|
eqtr3i |
|- ( 2 ^ 8 ) = ( 4 ^ 4 ) |
| 117 |
|
2exp8 |
|- ( 2 ^ 8 ) = ; ; 2 5 6 |
| 118 |
116 117
|
eqtr3i |
|- ( 4 ^ 4 ) = ; ; 2 5 6 |
| 119 |
118
|
oveq2i |
|- ( ( A ^ 4 ) / ( 4 ^ 4 ) ) = ( ( A ^ 4 ) / ; ; 2 5 6 ) |
| 120 |
107 119
|
eqtrdi |
|- ( ph -> ( ( A / 4 ) ^ 4 ) = ( ( A ^ 4 ) / ; ; 2 5 6 ) ) |
| 121 |
104 120
|
oveq12d |
|- ( ph -> ( ( 4 x. ( X x. ( ( A / 4 ) ^ 3 ) ) ) + ( ( A / 4 ) ^ 4 ) ) = ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) |
| 122 |
71 121
|
oveq12d |
|- ( ph -> ( ( 6 x. ( ( X ^ 2 ) x. ( ( A / 4 ) ^ 2 ) ) ) + ( ( 4 x. ( X x. ( ( A / 4 ) ^ 3 ) ) ) + ( ( A / 4 ) ^ 4 ) ) ) = ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) ) |
| 123 |
26 122
|
oveq12d |
|- ( ph -> ( ( ( X ^ 4 ) + ( 4 x. ( ( X ^ 3 ) x. ( A / 4 ) ) ) ) + ( ( 6 x. ( ( X ^ 2 ) x. ( ( A / 4 ) ^ 2 ) ) ) + ( ( 4 x. ( X x. ( ( A / 4 ) ^ 3 ) ) ) + ( ( A / 4 ) ^ 4 ) ) ) ) = ( ( ( X ^ 4 ) + ( A x. ( X ^ 3 ) ) ) + ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) ) ) |
| 124 |
10 17 123
|
3eqtrd |
|- ( ph -> ( Y ^ 4 ) = ( ( ( X ^ 4 ) + ( A x. ( X ^ 3 ) ) ) + ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) ) ) |
| 125 |
124
|
oveq1d |
|- ( ph -> ( ( Y ^ 4 ) + ( P x. ( Y ^ 2 ) ) ) = ( ( ( ( X ^ 4 ) + ( A x. ( X ^ 3 ) ) ) + ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) ) + ( P x. ( Y ^ 2 ) ) ) ) |
| 126 |
|
expcl |
|- ( ( X e. CC /\ 4 e. NN0 ) -> ( X ^ 4 ) e. CC ) |
| 127 |
8 105 126
|
sylancl |
|- ( ph -> ( X ^ 4 ) e. CC ) |
| 128 |
1 20
|
mulcld |
|- ( ph -> ( A x. ( X ^ 3 ) ) e. CC ) |
| 129 |
127 128
|
addcld |
|- ( ph -> ( ( X ^ 4 ) + ( A x. ( X ^ 3 ) ) ) e. CC ) |
| 130 |
|
mulcl |
|- ( ( ( 3 / 8 ) e. CC /\ ( A ^ 2 ) e. CC ) -> ( ( 3 / 8 ) x. ( A ^ 2 ) ) e. CC ) |
| 131 |
57 48 130
|
sylancr |
|- ( ph -> ( ( 3 / 8 ) x. ( A ^ 2 ) ) e. CC ) |
| 132 |
131 31
|
mulcld |
|- ( ph -> ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) e. CC ) |
| 133 |
88 93 95
|
divcld |
|- ( ph -> ( ( A ^ 3 ) / 8 ) e. CC ) |
| 134 |
133
|
halfcld |
|- ( ph -> ( ( ( A ^ 3 ) / 8 ) / 2 ) e. CC ) |
| 135 |
134 8
|
mulcld |
|- ( ph -> ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) e. CC ) |
| 136 |
|
expcl |
|- ( ( A e. CC /\ 4 e. NN0 ) -> ( A ^ 4 ) e. CC ) |
| 137 |
1 105 136
|
sylancl |
|- ( ph -> ( A ^ 4 ) e. CC ) |
| 138 |
|
5nn0 |
|- 5 e. NN0 |
| 139 |
79 138
|
deccl |
|- ; 2 5 e. NN0 |
| 140 |
139 27
|
decnncl |
|- ; ; 2 5 6 e. NN |
| 141 |
140
|
nncni |
|- ; ; 2 5 6 e. CC |
| 142 |
141
|
a1i |
|- ( ph -> ; ; 2 5 6 e. CC ) |
| 143 |
140
|
nnne0i |
|- ; ; 2 5 6 =/= 0 |
| 144 |
143
|
a1i |
|- ( ph -> ; ; 2 5 6 =/= 0 ) |
| 145 |
137 142 144
|
divcld |
|- ( ph -> ( ( A ^ 4 ) / ; ; 2 5 6 ) e. CC ) |
| 146 |
135 145
|
addcld |
|- ( ph -> ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) e. CC ) |
| 147 |
132 146
|
addcld |
|- ( ph -> ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) e. CC ) |
| 148 |
1 2 3 4 5 6 7
|
quart1cl |
|- ( ph -> ( P e. CC /\ Q e. CC /\ R e. CC ) ) |
| 149 |
148
|
simp1d |
|- ( ph -> P e. CC ) |
| 150 |
8 15
|
addcld |
|- ( ph -> ( X + ( A / 4 ) ) e. CC ) |
| 151 |
9 150
|
eqeltrd |
|- ( ph -> Y e. CC ) |
| 152 |
151
|
sqcld |
|- ( ph -> ( Y ^ 2 ) e. CC ) |
| 153 |
149 152
|
mulcld |
|- ( ph -> ( P x. ( Y ^ 2 ) ) e. CC ) |
| 154 |
129 147 153
|
addassd |
|- ( ph -> ( ( ( ( X ^ 4 ) + ( A x. ( X ^ 3 ) ) ) + ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) ) + ( P x. ( Y ^ 2 ) ) ) = ( ( ( X ^ 4 ) + ( A x. ( X ^ 3 ) ) ) + ( ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) + ( P x. ( Y ^ 2 ) ) ) ) ) |
| 155 |
125 154
|
eqtrd |
|- ( ph -> ( ( Y ^ 4 ) + ( P x. ( Y ^ 2 ) ) ) = ( ( ( X ^ 4 ) + ( A x. ( X ^ 3 ) ) ) + ( ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) + ( P x. ( Y ^ 2 ) ) ) ) ) |
| 156 |
155
|
oveq1d |
|- ( ph -> ( ( ( Y ^ 4 ) + ( P x. ( Y ^ 2 ) ) ) + ( ( Q x. Y ) + R ) ) = ( ( ( ( X ^ 4 ) + ( A x. ( X ^ 3 ) ) ) + ( ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) + ( P x. ( Y ^ 2 ) ) ) ) + ( ( Q x. Y ) + R ) ) ) |
| 157 |
147 153
|
addcld |
|- ( ph -> ( ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) + ( P x. ( Y ^ 2 ) ) ) e. CC ) |
| 158 |
148
|
simp2d |
|- ( ph -> Q e. CC ) |
| 159 |
158 151
|
mulcld |
|- ( ph -> ( Q x. Y ) e. CC ) |
| 160 |
148
|
simp3d |
|- ( ph -> R e. CC ) |
| 161 |
159 160
|
addcld |
|- ( ph -> ( ( Q x. Y ) + R ) e. CC ) |
| 162 |
129 157 161
|
addassd |
|- ( ph -> ( ( ( ( X ^ 4 ) + ( A x. ( X ^ 3 ) ) ) + ( ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) + ( P x. ( Y ^ 2 ) ) ) ) + ( ( Q x. Y ) + R ) ) = ( ( ( X ^ 4 ) + ( A x. ( X ^ 3 ) ) ) + ( ( ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) + ( P x. ( Y ^ 2 ) ) ) + ( ( Q x. Y ) + R ) ) ) ) |
| 163 |
9
|
oveq1d |
|- ( ph -> ( Y ^ 2 ) = ( ( X + ( A / 4 ) ) ^ 2 ) ) |
| 164 |
|
binom2 |
|- ( ( X e. CC /\ ( A / 4 ) e. CC ) -> ( ( X + ( A / 4 ) ) ^ 2 ) = ( ( ( X ^ 2 ) + ( 2 x. ( X x. ( A / 4 ) ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) |
| 165 |
8 15 164
|
syl2anc |
|- ( ph -> ( ( X + ( A / 4 ) ) ^ 2 ) = ( ( ( X ^ 2 ) + ( 2 x. ( X x. ( A / 4 ) ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) |
| 166 |
8 15
|
mulcld |
|- ( ph -> ( X x. ( A / 4 ) ) e. CC ) |
| 167 |
|
mulcl |
|- ( ( 2 e. CC /\ ( X x. ( A / 4 ) ) e. CC ) -> ( 2 x. ( X x. ( A / 4 ) ) ) e. CC ) |
| 168 |
35 166 167
|
sylancr |
|- ( ph -> ( 2 x. ( X x. ( A / 4 ) ) ) e. CC ) |
| 169 |
31 168 30
|
addassd |
|- ( ph -> ( ( ( X ^ 2 ) + ( 2 x. ( X x. ( A / 4 ) ) ) ) + ( ( A / 4 ) ^ 2 ) ) = ( ( X ^ 2 ) + ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) |
| 170 |
163 165 169
|
3eqtrd |
|- ( ph -> ( Y ^ 2 ) = ( ( X ^ 2 ) + ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) |
| 171 |
170
|
oveq2d |
|- ( ph -> ( P x. ( Y ^ 2 ) ) = ( P x. ( ( X ^ 2 ) + ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) ) |
| 172 |
168 30
|
addcld |
|- ( ph -> ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) e. CC ) |
| 173 |
149 31 172
|
adddid |
|- ( ph -> ( P x. ( ( X ^ 2 ) + ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) = ( ( P x. ( X ^ 2 ) ) + ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) ) |
| 174 |
171 173
|
eqtrd |
|- ( ph -> ( P x. ( Y ^ 2 ) ) = ( ( P x. ( X ^ 2 ) ) + ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) ) |
| 175 |
174
|
oveq2d |
|- ( ph -> ( ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) + ( P x. ( Y ^ 2 ) ) ) = ( ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) + ( ( P x. ( X ^ 2 ) ) + ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) ) ) |
| 176 |
149 31
|
mulcld |
|- ( ph -> ( P x. ( X ^ 2 ) ) e. CC ) |
| 177 |
149 172
|
mulcld |
|- ( ph -> ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) e. CC ) |
| 178 |
132 146 176 177
|
add4d |
|- ( ph -> ( ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) + ( ( P x. ( X ^ 2 ) ) + ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) ) = ( ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( P x. ( X ^ 2 ) ) ) + ( ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) + ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) ) ) |
| 179 |
131 149 31
|
adddird |
|- ( ph -> ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) + P ) x. ( X ^ 2 ) ) = ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( P x. ( X ^ 2 ) ) ) ) |
| 180 |
5
|
oveq2d |
|- ( ph -> ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) + P ) = ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) + ( B - ( ( 3 / 8 ) x. ( A ^ 2 ) ) ) ) ) |
| 181 |
131 2
|
pncan3d |
|- ( ph -> ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) + ( B - ( ( 3 / 8 ) x. ( A ^ 2 ) ) ) ) = B ) |
| 182 |
180 181
|
eqtrd |
|- ( ph -> ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) + P ) = B ) |
| 183 |
182
|
oveq1d |
|- ( ph -> ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) + P ) x. ( X ^ 2 ) ) = ( B x. ( X ^ 2 ) ) ) |
| 184 |
179 183
|
eqtr3d |
|- ( ph -> ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( P x. ( X ^ 2 ) ) ) = ( B x. ( X ^ 2 ) ) ) |
| 185 |
184
|
oveq1d |
|- ( ph -> ( ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( P x. ( X ^ 2 ) ) ) + ( ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) + ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) ) = ( ( B x. ( X ^ 2 ) ) + ( ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) + ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) ) ) |
| 186 |
175 178 185
|
3eqtrd |
|- ( ph -> ( ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) + ( P x. ( Y ^ 2 ) ) ) = ( ( B x. ( X ^ 2 ) ) + ( ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) + ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) ) ) |
| 187 |
186
|
oveq1d |
|- ( ph -> ( ( ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) + ( P x. ( Y ^ 2 ) ) ) + ( ( Q x. Y ) + R ) ) = ( ( ( B x. ( X ^ 2 ) ) + ( ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) + ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) ) + ( ( Q x. Y ) + R ) ) ) |
| 188 |
2 31
|
mulcld |
|- ( ph -> ( B x. ( X ^ 2 ) ) e. CC ) |
| 189 |
146 177
|
addcld |
|- ( ph -> ( ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) + ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) e. CC ) |
| 190 |
188 189 161
|
addassd |
|- ( ph -> ( ( ( B x. ( X ^ 2 ) ) + ( ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) + ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) ) + ( ( Q x. Y ) + R ) ) = ( ( B x. ( X ^ 2 ) ) + ( ( ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) + ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) + ( ( Q x. Y ) + R ) ) ) ) |
| 191 |
1 2
|
mulcld |
|- ( ph -> ( A x. B ) e. CC ) |
| 192 |
191
|
halfcld |
|- ( ph -> ( ( A x. B ) / 2 ) e. CC ) |
| 193 |
192 133
|
subcld |
|- ( ph -> ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) e. CC ) |
| 194 |
193 8
|
mulcld |
|- ( ph -> ( ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) x. X ) e. CC ) |
| 195 |
149 30
|
mulcld |
|- ( ph -> ( P x. ( ( A / 4 ) ^ 2 ) ) e. CC ) |
| 196 |
145 195
|
addcld |
|- ( ph -> ( ( ( A ^ 4 ) / ; ; 2 5 6 ) + ( P x. ( ( A / 4 ) ^ 2 ) ) ) e. CC ) |
| 197 |
158 8
|
mulcld |
|- ( ph -> ( Q x. X ) e. CC ) |
| 198 |
158 15
|
mulcld |
|- ( ph -> ( Q x. ( A / 4 ) ) e. CC ) |
| 199 |
198 160
|
addcld |
|- ( ph -> ( ( Q x. ( A / 4 ) ) + R ) e. CC ) |
| 200 |
194 196 197 199
|
add4d |
|- ( ph -> ( ( ( ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) x. X ) + ( ( ( A ^ 4 ) / ; ; 2 5 6 ) + ( P x. ( ( A / 4 ) ^ 2 ) ) ) ) + ( ( Q x. X ) + ( ( Q x. ( A / 4 ) ) + R ) ) ) = ( ( ( ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) x. X ) + ( Q x. X ) ) + ( ( ( ( A ^ 4 ) / ; ; 2 5 6 ) + ( P x. ( ( A / 4 ) ^ 2 ) ) ) + ( ( Q x. ( A / 4 ) ) + R ) ) ) ) |
| 201 |
149 168 30
|
adddid |
|- ( ph -> ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) = ( ( P x. ( 2 x. ( X x. ( A / 4 ) ) ) ) + ( P x. ( ( A / 4 ) ^ 2 ) ) ) ) |
| 202 |
201
|
oveq2d |
|- ( ph -> ( ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) + ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) = ( ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) + ( ( P x. ( 2 x. ( X x. ( A / 4 ) ) ) ) + ( P x. ( ( A / 4 ) ^ 2 ) ) ) ) ) |
| 203 |
149 168
|
mulcld |
|- ( ph -> ( P x. ( 2 x. ( X x. ( A / 4 ) ) ) ) e. CC ) |
| 204 |
135 145 203 195
|
add4d |
|- ( ph -> ( ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) + ( ( P x. ( 2 x. ( X x. ( A / 4 ) ) ) ) + ( P x. ( ( A / 4 ) ^ 2 ) ) ) ) = ( ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( P x. ( 2 x. ( X x. ( A / 4 ) ) ) ) ) + ( ( ( A ^ 4 ) / ; ; 2 5 6 ) + ( P x. ( ( A / 4 ) ^ 2 ) ) ) ) ) |
| 205 |
1 94 94 97 97
|
divdiv1d |
|- ( ph -> ( ( A / 2 ) / 2 ) = ( A / ( 2 x. 2 ) ) ) |
| 206 |
|
2t2e4 |
|- ( 2 x. 2 ) = 4 |
| 207 |
206
|
oveq2i |
|- ( A / ( 2 x. 2 ) ) = ( A / 4 ) |
| 208 |
205 207
|
eqtrdi |
|- ( ph -> ( ( A / 2 ) / 2 ) = ( A / 4 ) ) |
| 209 |
208
|
oveq2d |
|- ( ph -> ( 2 x. ( ( A / 2 ) / 2 ) ) = ( 2 x. ( A / 4 ) ) ) |
| 210 |
1
|
halfcld |
|- ( ph -> ( A / 2 ) e. CC ) |
| 211 |
210 94 97
|
divcan2d |
|- ( ph -> ( 2 x. ( ( A / 2 ) / 2 ) ) = ( A / 2 ) ) |
| 212 |
209 211
|
eqtr3d |
|- ( ph -> ( 2 x. ( A / 4 ) ) = ( A / 2 ) ) |
| 213 |
212
|
oveq2d |
|- ( ph -> ( X x. ( 2 x. ( A / 4 ) ) ) = ( X x. ( A / 2 ) ) ) |
| 214 |
8 210
|
mulcomd |
|- ( ph -> ( X x. ( A / 2 ) ) = ( ( A / 2 ) x. X ) ) |
| 215 |
213 214
|
eqtrd |
|- ( ph -> ( X x. ( 2 x. ( A / 4 ) ) ) = ( ( A / 2 ) x. X ) ) |
| 216 |
215
|
oveq2d |
|- ( ph -> ( P x. ( X x. ( 2 x. ( A / 4 ) ) ) ) = ( P x. ( ( A / 2 ) x. X ) ) ) |
| 217 |
94 8 15
|
mul12d |
|- ( ph -> ( 2 x. ( X x. ( A / 4 ) ) ) = ( X x. ( 2 x. ( A / 4 ) ) ) ) |
| 218 |
217
|
oveq2d |
|- ( ph -> ( P x. ( 2 x. ( X x. ( A / 4 ) ) ) ) = ( P x. ( X x. ( 2 x. ( A / 4 ) ) ) ) ) |
| 219 |
149 210 8
|
mulassd |
|- ( ph -> ( ( P x. ( A / 2 ) ) x. X ) = ( P x. ( ( A / 2 ) x. X ) ) ) |
| 220 |
216 218 219
|
3eqtr4d |
|- ( ph -> ( P x. ( 2 x. ( X x. ( A / 4 ) ) ) ) = ( ( P x. ( A / 2 ) ) x. X ) ) |
| 221 |
220
|
oveq2d |
|- ( ph -> ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( P x. ( 2 x. ( X x. ( A / 4 ) ) ) ) ) = ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( P x. ( A / 2 ) ) x. X ) ) ) |
| 222 |
149 210
|
mulcld |
|- ( ph -> ( P x. ( A / 2 ) ) e. CC ) |
| 223 |
134 222 8
|
adddird |
|- ( ph -> ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) + ( P x. ( A / 2 ) ) ) x. X ) = ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( P x. ( A / 2 ) ) x. X ) ) ) |
| 224 |
5
|
oveq1d |
|- ( ph -> ( P x. ( A / 2 ) ) = ( ( B - ( ( 3 / 8 ) x. ( A ^ 2 ) ) ) x. ( A / 2 ) ) ) |
| 225 |
2 131 210
|
subdird |
|- ( ph -> ( ( B - ( ( 3 / 8 ) x. ( A ^ 2 ) ) ) x. ( A / 2 ) ) = ( ( B x. ( A / 2 ) ) - ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( A / 2 ) ) ) ) |
| 226 |
2 1 94 97
|
divassd |
|- ( ph -> ( ( B x. A ) / 2 ) = ( B x. ( A / 2 ) ) ) |
| 227 |
2 1
|
mulcomd |
|- ( ph -> ( B x. A ) = ( A x. B ) ) |
| 228 |
227
|
oveq1d |
|- ( ph -> ( ( B x. A ) / 2 ) = ( ( A x. B ) / 2 ) ) |
| 229 |
226 228
|
eqtr3d |
|- ( ph -> ( B x. ( A / 2 ) ) = ( ( A x. B ) / 2 ) ) |
| 230 |
77
|
oveq2i |
|- ( A ^ 3 ) = ( A ^ ( 2 + 1 ) ) |
| 231 |
|
expp1 |
|- ( ( A e. CC /\ 2 e. NN0 ) -> ( A ^ ( 2 + 1 ) ) = ( ( A ^ 2 ) x. A ) ) |
| 232 |
1 79 231
|
sylancl |
|- ( ph -> ( A ^ ( 2 + 1 ) ) = ( ( A ^ 2 ) x. A ) ) |
| 233 |
230 232
|
eqtrid |
|- ( ph -> ( A ^ 3 ) = ( ( A ^ 2 ) x. A ) ) |
| 234 |
233
|
oveq2d |
|- ( ph -> ( ( 3 / 8 ) x. ( A ^ 3 ) ) = ( ( 3 / 8 ) x. ( ( A ^ 2 ) x. A ) ) ) |
| 235 |
39
|
a1i |
|- ( ph -> 3 e. CC ) |
| 236 |
235 88 93 95
|
div23d |
|- ( ph -> ( ( 3 x. ( A ^ 3 ) ) / 8 ) = ( ( 3 / 8 ) x. ( A ^ 3 ) ) ) |
| 237 |
57
|
a1i |
|- ( ph -> ( 3 / 8 ) e. CC ) |
| 238 |
237 48 1
|
mulassd |
|- ( ph -> ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. A ) = ( ( 3 / 8 ) x. ( ( A ^ 2 ) x. A ) ) ) |
| 239 |
234 236 238
|
3eqtr4rd |
|- ( ph -> ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. A ) = ( ( 3 x. ( A ^ 3 ) ) / 8 ) ) |
| 240 |
235 88 93 95
|
divassd |
|- ( ph -> ( ( 3 x. ( A ^ 3 ) ) / 8 ) = ( 3 x. ( ( A ^ 3 ) / 8 ) ) ) |
| 241 |
239 240
|
eqtrd |
|- ( ph -> ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. A ) = ( 3 x. ( ( A ^ 3 ) / 8 ) ) ) |
| 242 |
241
|
oveq1d |
|- ( ph -> ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. A ) / 2 ) = ( ( 3 x. ( ( A ^ 3 ) / 8 ) ) / 2 ) ) |
| 243 |
131 1 94 97
|
divassd |
|- ( ph -> ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. A ) / 2 ) = ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( A / 2 ) ) ) |
| 244 |
235 133 94 97
|
divassd |
|- ( ph -> ( ( 3 x. ( ( A ^ 3 ) / 8 ) ) / 2 ) = ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) ) |
| 245 |
242 243 244
|
3eqtr3d |
|- ( ph -> ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( A / 2 ) ) = ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) ) |
| 246 |
229 245
|
oveq12d |
|- ( ph -> ( ( B x. ( A / 2 ) ) - ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( A / 2 ) ) ) = ( ( ( A x. B ) / 2 ) - ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) ) ) |
| 247 |
224 225 246
|
3eqtrd |
|- ( ph -> ( P x. ( A / 2 ) ) = ( ( ( A x. B ) / 2 ) - ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) ) ) |
| 248 |
247
|
oveq2d |
|- ( ph -> ( ( ( ( A ^ 3 ) / 8 ) / 2 ) + ( P x. ( A / 2 ) ) ) = ( ( ( ( A ^ 3 ) / 8 ) / 2 ) + ( ( ( A x. B ) / 2 ) - ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) ) ) ) |
| 249 |
|
mulcl |
|- ( ( 3 e. CC /\ ( ( ( A ^ 3 ) / 8 ) / 2 ) e. CC ) -> ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) e. CC ) |
| 250 |
39 134 249
|
sylancr |
|- ( ph -> ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) e. CC ) |
| 251 |
134 192 250
|
addsub12d |
|- ( ph -> ( ( ( ( A ^ 3 ) / 8 ) / 2 ) + ( ( ( A x. B ) / 2 ) - ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) ) ) = ( ( ( A x. B ) / 2 ) + ( ( ( ( A ^ 3 ) / 8 ) / 2 ) - ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) ) ) ) |
| 252 |
192 250 134
|
subsub2d |
|- ( ph -> ( ( ( A x. B ) / 2 ) - ( ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) - ( ( ( A ^ 3 ) / 8 ) / 2 ) ) ) = ( ( ( A x. B ) / 2 ) + ( ( ( ( A ^ 3 ) / 8 ) / 2 ) - ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) ) ) ) |
| 253 |
134
|
mullidd |
|- ( ph -> ( 1 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) = ( ( ( A ^ 3 ) / 8 ) / 2 ) ) |
| 254 |
253
|
oveq2d |
|- ( ph -> ( ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) - ( 1 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) ) = ( ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) - ( ( ( A ^ 3 ) / 8 ) / 2 ) ) ) |
| 255 |
|
3m1e2 |
|- ( 3 - 1 ) = 2 |
| 256 |
255
|
oveq1i |
|- ( ( 3 - 1 ) x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) = ( 2 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) |
| 257 |
|
1cnd |
|- ( ph -> 1 e. CC ) |
| 258 |
235 257 134
|
subdird |
|- ( ph -> ( ( 3 - 1 ) x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) = ( ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) - ( 1 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) ) ) |
| 259 |
133 94 97
|
divcan2d |
|- ( ph -> ( 2 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) = ( ( A ^ 3 ) / 8 ) ) |
| 260 |
256 258 259
|
3eqtr3a |
|- ( ph -> ( ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) - ( 1 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) ) = ( ( A ^ 3 ) / 8 ) ) |
| 261 |
254 260
|
eqtr3d |
|- ( ph -> ( ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) - ( ( ( A ^ 3 ) / 8 ) / 2 ) ) = ( ( A ^ 3 ) / 8 ) ) |
| 262 |
261
|
oveq2d |
|- ( ph -> ( ( ( A x. B ) / 2 ) - ( ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) - ( ( ( A ^ 3 ) / 8 ) / 2 ) ) ) = ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) ) |
| 263 |
251 252 262
|
3eqtr2d |
|- ( ph -> ( ( ( ( A ^ 3 ) / 8 ) / 2 ) + ( ( ( A x. B ) / 2 ) - ( 3 x. ( ( ( A ^ 3 ) / 8 ) / 2 ) ) ) ) = ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) ) |
| 264 |
248 263
|
eqtrd |
|- ( ph -> ( ( ( ( A ^ 3 ) / 8 ) / 2 ) + ( P x. ( A / 2 ) ) ) = ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) ) |
| 265 |
264
|
oveq1d |
|- ( ph -> ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) + ( P x. ( A / 2 ) ) ) x. X ) = ( ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) x. X ) ) |
| 266 |
221 223 265
|
3eqtr2d |
|- ( ph -> ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( P x. ( 2 x. ( X x. ( A / 4 ) ) ) ) ) = ( ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) x. X ) ) |
| 267 |
266
|
oveq1d |
|- ( ph -> ( ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( P x. ( 2 x. ( X x. ( A / 4 ) ) ) ) ) + ( ( ( A ^ 4 ) / ; ; 2 5 6 ) + ( P x. ( ( A / 4 ) ^ 2 ) ) ) ) = ( ( ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) x. X ) + ( ( ( A ^ 4 ) / ; ; 2 5 6 ) + ( P x. ( ( A / 4 ) ^ 2 ) ) ) ) ) |
| 268 |
202 204 267
|
3eqtrd |
|- ( ph -> ( ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) + ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) = ( ( ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) x. X ) + ( ( ( A ^ 4 ) / ; ; 2 5 6 ) + ( P x. ( ( A / 4 ) ^ 2 ) ) ) ) ) |
| 269 |
9
|
oveq2d |
|- ( ph -> ( Q x. Y ) = ( Q x. ( X + ( A / 4 ) ) ) ) |
| 270 |
158 8 15
|
adddid |
|- ( ph -> ( Q x. ( X + ( A / 4 ) ) ) = ( ( Q x. X ) + ( Q x. ( A / 4 ) ) ) ) |
| 271 |
269 270
|
eqtrd |
|- ( ph -> ( Q x. Y ) = ( ( Q x. X ) + ( Q x. ( A / 4 ) ) ) ) |
| 272 |
271
|
oveq1d |
|- ( ph -> ( ( Q x. Y ) + R ) = ( ( ( Q x. X ) + ( Q x. ( A / 4 ) ) ) + R ) ) |
| 273 |
197 198 160
|
addassd |
|- ( ph -> ( ( ( Q x. X ) + ( Q x. ( A / 4 ) ) ) + R ) = ( ( Q x. X ) + ( ( Q x. ( A / 4 ) ) + R ) ) ) |
| 274 |
272 273
|
eqtrd |
|- ( ph -> ( ( Q x. Y ) + R ) = ( ( Q x. X ) + ( ( Q x. ( A / 4 ) ) + R ) ) ) |
| 275 |
268 274
|
oveq12d |
|- ( ph -> ( ( ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) + ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) + ( ( Q x. Y ) + R ) ) = ( ( ( ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) x. X ) + ( ( ( A ^ 4 ) / ; ; 2 5 6 ) + ( P x. ( ( A / 4 ) ^ 2 ) ) ) ) + ( ( Q x. X ) + ( ( Q x. ( A / 4 ) ) + R ) ) ) ) |
| 276 |
193 158
|
addcomd |
|- ( ph -> ( ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) + Q ) = ( Q + ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) ) ) |
| 277 |
6
|
oveq1d |
|- ( ph -> ( Q + ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) ) = ( ( ( C - ( ( A x. B ) / 2 ) ) + ( ( A ^ 3 ) / 8 ) ) + ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) ) ) |
| 278 |
3 192
|
subcld |
|- ( ph -> ( C - ( ( A x. B ) / 2 ) ) e. CC ) |
| 279 |
278 133 192
|
ppncand |
|- ( ph -> ( ( ( C - ( ( A x. B ) / 2 ) ) + ( ( A ^ 3 ) / 8 ) ) + ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) ) = ( ( C - ( ( A x. B ) / 2 ) ) + ( ( A x. B ) / 2 ) ) ) |
| 280 |
3 192
|
npcand |
|- ( ph -> ( ( C - ( ( A x. B ) / 2 ) ) + ( ( A x. B ) / 2 ) ) = C ) |
| 281 |
279 280
|
eqtrd |
|- ( ph -> ( ( ( C - ( ( A x. B ) / 2 ) ) + ( ( A ^ 3 ) / 8 ) ) + ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) ) = C ) |
| 282 |
276 277 281
|
3eqtrd |
|- ( ph -> ( ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) + Q ) = C ) |
| 283 |
282
|
oveq1d |
|- ( ph -> ( ( ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) + Q ) x. X ) = ( C x. X ) ) |
| 284 |
193 158 8
|
adddird |
|- ( ph -> ( ( ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) + Q ) x. X ) = ( ( ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) x. X ) + ( Q x. X ) ) ) |
| 285 |
283 284
|
eqtr3d |
|- ( ph -> ( C x. X ) = ( ( ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) x. X ) + ( Q x. X ) ) ) |
| 286 |
1 2 3 4 5 6 7 8 9
|
quart1lem |
|- ( ph -> D = ( ( ( ( A ^ 4 ) / ; ; 2 5 6 ) + ( P x. ( ( A / 4 ) ^ 2 ) ) ) + ( ( Q x. ( A / 4 ) ) + R ) ) ) |
| 287 |
285 286
|
oveq12d |
|- ( ph -> ( ( C x. X ) + D ) = ( ( ( ( ( ( A x. B ) / 2 ) - ( ( A ^ 3 ) / 8 ) ) x. X ) + ( Q x. X ) ) + ( ( ( ( A ^ 4 ) / ; ; 2 5 6 ) + ( P x. ( ( A / 4 ) ^ 2 ) ) ) + ( ( Q x. ( A / 4 ) ) + R ) ) ) ) |
| 288 |
200 275 287
|
3eqtr4d |
|- ( ph -> ( ( ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) + ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) + ( ( Q x. Y ) + R ) ) = ( ( C x. X ) + D ) ) |
| 289 |
288
|
oveq2d |
|- ( ph -> ( ( B x. ( X ^ 2 ) ) + ( ( ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) + ( P x. ( ( 2 x. ( X x. ( A / 4 ) ) ) + ( ( A / 4 ) ^ 2 ) ) ) ) + ( ( Q x. Y ) + R ) ) ) = ( ( B x. ( X ^ 2 ) ) + ( ( C x. X ) + D ) ) ) |
| 290 |
187 190 289
|
3eqtrd |
|- ( ph -> ( ( ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) + ( P x. ( Y ^ 2 ) ) ) + ( ( Q x. Y ) + R ) ) = ( ( B x. ( X ^ 2 ) ) + ( ( C x. X ) + D ) ) ) |
| 291 |
290
|
oveq2d |
|- ( ph -> ( ( ( X ^ 4 ) + ( A x. ( X ^ 3 ) ) ) + ( ( ( ( ( ( 3 / 8 ) x. ( A ^ 2 ) ) x. ( X ^ 2 ) ) + ( ( ( ( ( A ^ 3 ) / 8 ) / 2 ) x. X ) + ( ( A ^ 4 ) / ; ; 2 5 6 ) ) ) + ( P x. ( Y ^ 2 ) ) ) + ( ( Q x. Y ) + R ) ) ) = ( ( ( X ^ 4 ) + ( A x. ( X ^ 3 ) ) ) + ( ( B x. ( X ^ 2 ) ) + ( ( C x. X ) + D ) ) ) ) |
| 292 |
156 162 291
|
3eqtrrd |
|- ( ph -> ( ( ( X ^ 4 ) + ( A x. ( X ^ 3 ) ) ) + ( ( B x. ( X ^ 2 ) ) + ( ( C x. X ) + D ) ) ) = ( ( ( Y ^ 4 ) + ( P x. ( Y ^ 2 ) ) ) + ( ( Q x. Y ) + R ) ) ) |