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Theorem quartlem1 24584
Description: Lemma for quart 24588. (Contributed by Mario Carneiro, 6-May-2015.)
Hypotheses
Ref Expression
quartlem1.p  |-  ( ph  ->  P  e.  CC )
quartlem1.q  |-  ( ph  ->  Q  e.  CC )
quartlem1.r  |-  ( ph  ->  R  e.  CC )
quartlem1.u  |-  ( ph  ->  U  =  ( ( P ^ 2 )  +  (; 1 2  x.  R
) ) )
quartlem1.v  |-  ( ph  ->  V  =  ( (
-u ( 2  x.  ( P ^ 3 ) )  -  (; 2 7  x.  ( Q ^
2 ) ) )  +  (; 7 2  x.  ( P  x.  R )
) ) )
Assertion
Ref Expression
quartlem1  |-  ( ph  ->  ( U  =  ( ( ( 2  x.  P ) ^ 2 )  -  ( 3  x.  ( ( P ^ 2 )  -  ( 4  x.  R
) ) ) )  /\  V  =  ( ( ( 2  x.  ( ( 2  x.  P ) ^ 3 ) )  -  (
9  x.  ( ( 2  x.  P )  x.  ( ( P ^ 2 )  -  ( 4  x.  R
) ) ) ) )  +  (; 2 7  x.  -u ( Q ^ 2 ) ) ) ) )

Proof of Theorem quartlem1
StepHypRef Expression
1 2cn 11091 . . . . . . . . . 10  |-  2  e.  CC
2 quartlem1.p . . . . . . . . . 10  |-  ( ph  ->  P  e.  CC )
3 sqmul 12926 . . . . . . . . . 10  |-  ( ( 2  e.  CC  /\  P  e.  CC )  ->  ( ( 2  x.  P ) ^ 2 )  =  ( ( 2 ^ 2 )  x.  ( P ^
2 ) ) )
41, 2, 3sylancr 695 . . . . . . . . 9  |-  ( ph  ->  ( ( 2  x.  P ) ^ 2 )  =  ( ( 2 ^ 2 )  x.  ( P ^
2 ) ) )
5 sq2 12960 . . . . . . . . . 10  |-  ( 2 ^ 2 )  =  4
65oveq1i 6660 . . . . . . . . 9  |-  ( ( 2 ^ 2 )  x.  ( P ^
2 ) )  =  ( 4  x.  ( P ^ 2 ) )
74, 6syl6eq 2672 . . . . . . . 8  |-  ( ph  ->  ( ( 2  x.  P ) ^ 2 )  =  ( 4  x.  ( P ^
2 ) ) )
87oveq1d 6665 . . . . . . 7  |-  ( ph  ->  ( ( ( 2  x.  P ) ^
2 )  -  (
3  x.  ( P ^ 2 ) ) )  =  ( ( 4  x.  ( P ^ 2 ) )  -  ( 3  x.  ( P ^ 2 ) ) ) )
9 4cn 11098 . . . . . . . . 9  |-  4  e.  CC
109a1i 11 . . . . . . . 8  |-  ( ph  ->  4  e.  CC )
11 3cn 11095 . . . . . . . . 9  |-  3  e.  CC
1211a1i 11 . . . . . . . 8  |-  ( ph  ->  3  e.  CC )
132sqcld 13006 . . . . . . . 8  |-  ( ph  ->  ( P ^ 2 )  e.  CC )
1410, 12, 13subdird 10487 . . . . . . 7  |-  ( ph  ->  ( ( 4  -  3 )  x.  ( P ^ 2 ) )  =  ( ( 4  x.  ( P ^
2 ) )  -  ( 3  x.  ( P ^ 2 ) ) ) )
158, 14eqtr4d 2659 . . . . . 6  |-  ( ph  ->  ( ( ( 2  x.  P ) ^
2 )  -  (
3  x.  ( P ^ 2 ) ) )  =  ( ( 4  -  3 )  x.  ( P ^
2 ) ) )
16 ax-1cn 9994 . . . . . . . . . 10  |-  1  e.  CC
17 3p1e4 11153 . . . . . . . . . 10  |-  ( 3  +  1 )  =  4
189, 11, 16, 17subaddrii 10370 . . . . . . . . 9  |-  ( 4  -  3 )  =  1
1918oveq1i 6660 . . . . . . . 8  |-  ( ( 4  -  3 )  x.  ( P ^
2 ) )  =  ( 1  x.  ( P ^ 2 ) )
20 mulid2 10038 . . . . . . . 8  |-  ( ( P ^ 2 )  e.  CC  ->  (
1  x.  ( P ^ 2 ) )  =  ( P ^
2 ) )
2119, 20syl5eq 2668 . . . . . . 7  |-  ( ( P ^ 2 )  e.  CC  ->  (
( 4  -  3 )  x.  ( P ^ 2 ) )  =  ( P ^
2 ) )
2213, 21syl 17 . . . . . 6  |-  ( ph  ->  ( ( 4  -  3 )  x.  ( P ^ 2 ) )  =  ( P ^
2 ) )
2315, 22eqtr2d 2657 . . . . 5  |-  ( ph  ->  ( P ^ 2 )  =  ( ( ( 2  x.  P
) ^ 2 )  -  ( 3  x.  ( P ^ 2 ) ) ) )
2423oveq1d 6665 . . . 4  |-  ( ph  ->  ( ( P ^
2 )  +  (; 1
2  x.  R ) )  =  ( ( ( ( 2  x.  P ) ^ 2 )  -  ( 3  x.  ( P ^
2 ) ) )  +  (; 1 2  x.  R
) ) )
25 mulcl 10020 . . . . . . 7  |-  ( ( 2  e.  CC  /\  P  e.  CC )  ->  ( 2  x.  P
)  e.  CC )
261, 2, 25sylancr 695 . . . . . 6  |-  ( ph  ->  ( 2  x.  P
)  e.  CC )
2726sqcld 13006 . . . . 5  |-  ( ph  ->  ( ( 2  x.  P ) ^ 2 )  e.  CC )
28 mulcl 10020 . . . . . 6  |-  ( ( 3  e.  CC  /\  ( P ^ 2 )  e.  CC )  -> 
( 3  x.  ( P ^ 2 ) )  e.  CC )
2911, 13, 28sylancr 695 . . . . 5  |-  ( ph  ->  ( 3  x.  ( P ^ 2 ) )  e.  CC )
30 1nn0 11308 . . . . . . . 8  |-  1  e.  NN0
31 2nn 11185 . . . . . . . 8  |-  2  e.  NN
3230, 31decnncl 11518 . . . . . . 7  |- ; 1 2  e.  NN
3332nncni 11030 . . . . . 6  |- ; 1 2  e.  CC
34 quartlem1.r . . . . . 6  |-  ( ph  ->  R  e.  CC )
35 mulcl 10020 . . . . . 6  |-  ( (; 1
2  e.  CC  /\  R  e.  CC )  ->  (; 1 2  x.  R
)  e.  CC )
3633, 34, 35sylancr 695 . . . . 5  |-  ( ph  ->  (; 1 2  x.  R
)  e.  CC )
3727, 29, 36subsubd 10420 . . . 4  |-  ( ph  ->  ( ( ( 2  x.  P ) ^
2 )  -  (
( 3  x.  ( P ^ 2 ) )  -  (; 1 2  x.  R
) ) )  =  ( ( ( ( 2  x.  P ) ^ 2 )  -  ( 3  x.  ( P ^ 2 ) ) )  +  (; 1 2  x.  R
) ) )
3824, 37eqtr4d 2659 . . 3  |-  ( ph  ->  ( ( P ^
2 )  +  (; 1
2  x.  R ) )  =  ( ( ( 2  x.  P
) ^ 2 )  -  ( ( 3  x.  ( P ^
2 ) )  -  (; 1 2  x.  R ) ) ) )
39 quartlem1.u . . 3  |-  ( ph  ->  U  =  ( ( P ^ 2 )  +  (; 1 2  x.  R
) ) )
40 mulcl 10020 . . . . . . 7  |-  ( ( 4  e.  CC  /\  R  e.  CC )  ->  ( 4  x.  R
)  e.  CC )
419, 34, 40sylancr 695 . . . . . 6  |-  ( ph  ->  ( 4  x.  R
)  e.  CC )
4212, 13, 41subdid 10486 . . . . 5  |-  ( ph  ->  ( 3  x.  (
( P ^ 2 )  -  ( 4  x.  R ) ) )  =  ( ( 3  x.  ( P ^ 2 ) )  -  ( 3  x.  ( 4  x.  R
) ) ) )
43 4t3e12 11632 . . . . . . . . 9  |-  ( 4  x.  3 )  = ; 1
2
449, 11, 43mulcomli 10047 . . . . . . . 8  |-  ( 3  x.  4 )  = ; 1
2
4544oveq1i 6660 . . . . . . 7  |-  ( ( 3  x.  4 )  x.  R )  =  (; 1 2  x.  R
)
4612, 10, 34mulassd 10063 . . . . . . 7  |-  ( ph  ->  ( ( 3  x.  4 )  x.  R
)  =  ( 3  x.  ( 4  x.  R ) ) )
4745, 46syl5eqr 2670 . . . . . 6  |-  ( ph  ->  (; 1 2  x.  R
)  =  ( 3  x.  ( 4  x.  R ) ) )
4847oveq2d 6666 . . . . 5  |-  ( ph  ->  ( ( 3  x.  ( P ^ 2 ) )  -  (; 1 2  x.  R ) )  =  ( ( 3  x.  ( P ^
2 ) )  -  ( 3  x.  (
4  x.  R ) ) ) )
4942, 48eqtr4d 2659 . . . 4  |-  ( ph  ->  ( 3  x.  (
( P ^ 2 )  -  ( 4  x.  R ) ) )  =  ( ( 3  x.  ( P ^ 2 ) )  -  (; 1 2  x.  R
) ) )
5049oveq2d 6666 . . 3  |-  ( ph  ->  ( ( ( 2  x.  P ) ^
2 )  -  (
3  x.  ( ( P ^ 2 )  -  ( 4  x.  R ) ) ) )  =  ( ( ( 2  x.  P
) ^ 2 )  -  ( ( 3  x.  ( P ^
2 ) )  -  (; 1 2  x.  R ) ) ) )
5138, 39, 503eqtr4d 2666 . 2  |-  ( ph  ->  U  =  ( ( ( 2  x.  P
) ^ 2 )  -  ( 3  x.  ( ( P ^
2 )  -  (
4  x.  R ) ) ) ) )
521a1i 11 . . . . . . . . . 10  |-  ( ph  ->  2  e.  CC )
53 3nn0 11310 . . . . . . . . . . 11  |-  3  e.  NN0
5453a1i 11 . . . . . . . . . 10  |-  ( ph  ->  3  e.  NN0 )
5552, 2, 54mulexpd 13023 . . . . . . . . 9  |-  ( ph  ->  ( ( 2  x.  P ) ^ 3 )  =  ( ( 2 ^ 3 )  x.  ( P ^
3 ) ) )
56 cu2 12963 . . . . . . . . . 10  |-  ( 2 ^ 3 )  =  8
5756oveq1i 6660 . . . . . . . . 9  |-  ( ( 2 ^ 3 )  x.  ( P ^
3 ) )  =  ( 8  x.  ( P ^ 3 ) )
5855, 57syl6eq 2672 . . . . . . . 8  |-  ( ph  ->  ( ( 2  x.  P ) ^ 3 )  =  ( 8  x.  ( P ^
3 ) ) )
5958oveq2d 6666 . . . . . . 7  |-  ( ph  ->  ( 2  x.  (
( 2  x.  P
) ^ 3 ) )  =  ( 2  x.  ( 8  x.  ( P ^ 3 ) ) ) )
60 8cn 11106 . . . . . . . . 9  |-  8  e.  CC
6160a1i 11 . . . . . . . 8  |-  ( ph  ->  8  e.  CC )
62 expcl 12878 . . . . . . . . 9  |-  ( ( P  e.  CC  /\  3  e.  NN0 )  -> 
( P ^ 3 )  e.  CC )
632, 53, 62sylancl 694 . . . . . . . 8  |-  ( ph  ->  ( P ^ 3 )  e.  CC )
6452, 61, 63mul12d 10245 . . . . . . 7  |-  ( ph  ->  ( 2  x.  (
8  x.  ( P ^ 3 ) ) )  =  ( 8  x.  ( 2  x.  ( P ^ 3 ) ) ) )
6559, 64eqtrd 2656 . . . . . 6  |-  ( ph  ->  ( 2  x.  (
( 2  x.  P
) ^ 3 ) )  =  ( 8  x.  ( 2  x.  ( P ^ 3 ) ) ) )
66 9cn 11108 . . . . . . . . 9  |-  9  e.  CC
6766a1i 11 . . . . . . . 8  |-  ( ph  ->  9  e.  CC )
68 mulcl 10020 . . . . . . . . 9  |-  ( ( 2  e.  CC  /\  ( P ^ 3 )  e.  CC )  -> 
( 2  x.  ( P ^ 3 ) )  e.  CC )
691, 63, 68sylancr 695 . . . . . . . 8  |-  ( ph  ->  ( 2  x.  ( P ^ 3 ) )  e.  CC )
702, 34mulcld 10060 . . . . . . . . 9  |-  ( ph  ->  ( P  x.  R
)  e.  CC )
71 mulcl 10020 . . . . . . . . 9  |-  ( ( 8  e.  CC  /\  ( P  x.  R
)  e.  CC )  ->  ( 8  x.  ( P  x.  R
) )  e.  CC )
7260, 70, 71sylancr 695 . . . . . . . 8  |-  ( ph  ->  ( 8  x.  ( P  x.  R )
)  e.  CC )
7367, 69, 72subdid 10486 . . . . . . 7  |-  ( ph  ->  ( 9  x.  (
( 2  x.  ( P ^ 3 ) )  -  ( 8  x.  ( P  x.  R
) ) ) )  =  ( ( 9  x.  ( 2  x.  ( P ^ 3 ) ) )  -  ( 9  x.  (
8  x.  ( P  x.  R ) ) ) ) )
7426, 13, 41subdid 10486 . . . . . . . . 9  |-  ( ph  ->  ( ( 2  x.  P )  x.  (
( P ^ 2 )  -  ( 4  x.  R ) ) )  =  ( ( ( 2  x.  P
)  x.  ( P ^ 2 ) )  -  ( ( 2  x.  P )  x.  ( 4  x.  R
) ) ) )
7552, 2, 13mulassd 10063 . . . . . . . . . . 11  |-  ( ph  ->  ( ( 2  x.  P )  x.  ( P ^ 2 ) )  =  ( 2  x.  ( P  x.  ( P ^ 2 ) ) ) )
762, 13mulcomd 10061 . . . . . . . . . . . . 13  |-  ( ph  ->  ( P  x.  ( P ^ 2 ) )  =  ( ( P ^ 2 )  x.  P ) )
77 df-3 11080 . . . . . . . . . . . . . . 15  |-  3  =  ( 2  +  1 )
7877oveq2i 6661 . . . . . . . . . . . . . 14  |-  ( P ^ 3 )  =  ( P ^ (
2  +  1 ) )
79 2nn0 11309 . . . . . . . . . . . . . . 15  |-  2  e.  NN0
80 expp1 12867 . . . . . . . . . . . . . . 15  |-  ( ( P  e.  CC  /\  2  e.  NN0 )  -> 
( P ^ (
2  +  1 ) )  =  ( ( P ^ 2 )  x.  P ) )
812, 79, 80sylancl 694 . . . . . . . . . . . . . 14  |-  ( ph  ->  ( P ^ (
2  +  1 ) )  =  ( ( P ^ 2 )  x.  P ) )
8278, 81syl5eq 2668 . . . . . . . . . . . . 13  |-  ( ph  ->  ( P ^ 3 )  =  ( ( P ^ 2 )  x.  P ) )
8376, 82eqtr4d 2659 . . . . . . . . . . . 12  |-  ( ph  ->  ( P  x.  ( P ^ 2 ) )  =  ( P ^
3 ) )
8483oveq2d 6666 . . . . . . . . . . 11  |-  ( ph  ->  ( 2  x.  ( P  x.  ( P ^ 2 ) ) )  =  ( 2  x.  ( P ^
3 ) ) )
8575, 84eqtrd 2656 . . . . . . . . . 10  |-  ( ph  ->  ( ( 2  x.  P )  x.  ( P ^ 2 ) )  =  ( 2  x.  ( P ^ 3 ) ) )
8652, 2, 10, 34mul4d 10248 . . . . . . . . . . 11  |-  ( ph  ->  ( ( 2  x.  P )  x.  (
4  x.  R ) )  =  ( ( 2  x.  4 )  x.  ( P  x.  R ) ) )
87 4t2e8 11181 . . . . . . . . . . . . 13  |-  ( 4  x.  2 )  =  8
889, 1, 87mulcomli 10047 . . . . . . . . . . . 12  |-  ( 2  x.  4 )  =  8
8988oveq1i 6660 . . . . . . . . . . 11  |-  ( ( 2  x.  4 )  x.  ( P  x.  R ) )  =  ( 8  x.  ( P  x.  R )
)
9086, 89syl6eq 2672 . . . . . . . . . 10  |-  ( ph  ->  ( ( 2  x.  P )  x.  (
4  x.  R ) )  =  ( 8  x.  ( P  x.  R ) ) )
9185, 90oveq12d 6668 . . . . . . . . 9  |-  ( ph  ->  ( ( ( 2  x.  P )  x.  ( P ^ 2 ) )  -  (
( 2  x.  P
)  x.  ( 4  x.  R ) ) )  =  ( ( 2  x.  ( P ^ 3 ) )  -  ( 8  x.  ( P  x.  R
) ) ) )
9274, 91eqtrd 2656 . . . . . . . 8  |-  ( ph  ->  ( ( 2  x.  P )  x.  (
( P ^ 2 )  -  ( 4  x.  R ) ) )  =  ( ( 2  x.  ( P ^ 3 ) )  -  ( 8  x.  ( P  x.  R
) ) ) )
9392oveq2d 6666 . . . . . . 7  |-  ( ph  ->  ( 9  x.  (
( 2  x.  P
)  x.  ( ( P ^ 2 )  -  ( 4  x.  R ) ) ) )  =  ( 9  x.  ( ( 2  x.  ( P ^
3 ) )  -  ( 8  x.  ( P  x.  R )
) ) ) )
94 9t8e72 11669 . . . . . . . . . 10  |-  ( 9  x.  8 )  = ; 7
2
9594oveq1i 6660 . . . . . . . . 9  |-  ( ( 9  x.  8 )  x.  ( P  x.  R ) )  =  (; 7 2  x.  ( P  x.  R )
)
9667, 61, 70mulassd 10063 . . . . . . . . 9  |-  ( ph  ->  ( ( 9  x.  8 )  x.  ( P  x.  R )
)  =  ( 9  x.  ( 8  x.  ( P  x.  R
) ) ) )
9795, 96syl5eqr 2670 . . . . . . . 8  |-  ( ph  ->  (; 7 2  x.  ( P  x.  R )
)  =  ( 9  x.  ( 8  x.  ( P  x.  R
) ) ) )
9897oveq2d 6666 . . . . . . 7  |-  ( ph  ->  ( ( 9  x.  ( 2  x.  ( P ^ 3 ) ) )  -  (; 7 2  x.  ( P  x.  R )
) )  =  ( ( 9  x.  (
2  x.  ( P ^ 3 ) ) )  -  ( 9  x.  ( 8  x.  ( P  x.  R
) ) ) ) )
9973, 93, 983eqtr4d 2666 . . . . . 6  |-  ( ph  ->  ( 9  x.  (
( 2  x.  P
)  x.  ( ( P ^ 2 )  -  ( 4  x.  R ) ) ) )  =  ( ( 9  x.  ( 2  x.  ( P ^
3 ) ) )  -  (; 7 2  x.  ( P  x.  R )
) ) )
10065, 99oveq12d 6668 . . . . 5  |-  ( ph  ->  ( ( 2  x.  ( ( 2  x.  P ) ^ 3 ) )  -  (
9  x.  ( ( 2  x.  P )  x.  ( ( P ^ 2 )  -  ( 4  x.  R
) ) ) ) )  =  ( ( 8  x.  ( 2  x.  ( P ^
3 ) ) )  -  ( ( 9  x.  ( 2  x.  ( P ^ 3 ) ) )  -  (; 7 2  x.  ( P  x.  R ) ) ) ) )
101 mulcl 10020 . . . . . . 7  |-  ( ( 8  e.  CC  /\  ( 2  x.  ( P ^ 3 ) )  e.  CC )  -> 
( 8  x.  (
2  x.  ( P ^ 3 ) ) )  e.  CC )
10260, 69, 101sylancr 695 . . . . . 6  |-  ( ph  ->  ( 8  x.  (
2  x.  ( P ^ 3 ) ) )  e.  CC )
103 mulcl 10020 . . . . . . 7  |-  ( ( 9  e.  CC  /\  ( 2  x.  ( P ^ 3 ) )  e.  CC )  -> 
( 9  x.  (
2  x.  ( P ^ 3 ) ) )  e.  CC )
10466, 69, 103sylancr 695 . . . . . 6  |-  ( ph  ->  ( 9  x.  (
2  x.  ( P ^ 3 ) ) )  e.  CC )
105 7nn0 11314 . . . . . . . . 9  |-  7  e.  NN0
106105, 31decnncl 11518 . . . . . . . 8  |- ; 7 2  e.  NN
107106nncni 11030 . . . . . . 7  |- ; 7 2  e.  CC
108 mulcl 10020 . . . . . . 7  |-  ( (; 7
2  e.  CC  /\  ( P  x.  R
)  e.  CC )  ->  (; 7 2  x.  ( P  x.  R )
)  e.  CC )
109107, 70, 108sylancr 695 . . . . . 6  |-  ( ph  ->  (; 7 2  x.  ( P  x.  R )
)  e.  CC )
110102, 104, 109subsubd 10420 . . . . 5  |-  ( ph  ->  ( ( 8  x.  ( 2  x.  ( P ^ 3 ) ) )  -  ( ( 9  x.  ( 2  x.  ( P ^
3 ) ) )  -  (; 7 2  x.  ( P  x.  R )
) ) )  =  ( ( ( 8  x.  ( 2  x.  ( P ^ 3 ) ) )  -  ( 9  x.  (
2  x.  ( P ^ 3 ) ) ) )  +  (; 7
2  x.  ( P  x.  R ) ) ) )
111104, 102negsubdi2d 10408 . . . . . . 7  |-  ( ph  -> 
-u ( ( 9  x.  ( 2  x.  ( P ^ 3 ) ) )  -  ( 8  x.  (
2  x.  ( P ^ 3 ) ) ) )  =  ( ( 8  x.  (
2  x.  ( P ^ 3 ) ) )  -  ( 9  x.  ( 2  x.  ( P ^ 3 ) ) ) ) )
11267, 61, 69subdird 10487 . . . . . . . . 9  |-  ( ph  ->  ( ( 9  -  8 )  x.  (
2  x.  ( P ^ 3 ) ) )  =  ( ( 9  x.  ( 2  x.  ( P ^
3 ) ) )  -  ( 8  x.  ( 2  x.  ( P ^ 3 ) ) ) ) )
113 8p1e9 11158 . . . . . . . . . . . 12  |-  ( 8  +  1 )  =  9
11466, 60, 16, 113subaddrii 10370 . . . . . . . . . . 11  |-  ( 9  -  8 )  =  1
115114oveq1i 6660 . . . . . . . . . 10  |-  ( ( 9  -  8 )  x.  ( 2  x.  ( P ^ 3 ) ) )  =  ( 1  x.  (
2  x.  ( P ^ 3 ) ) )
11669mulid2d 10058 . . . . . . . . . 10  |-  ( ph  ->  ( 1  x.  (
2  x.  ( P ^ 3 ) ) )  =  ( 2  x.  ( P ^
3 ) ) )
117115, 116syl5eq 2668 . . . . . . . . 9  |-  ( ph  ->  ( ( 9  -  8 )  x.  (
2  x.  ( P ^ 3 ) ) )  =  ( 2  x.  ( P ^
3 ) ) )
118112, 117eqtr3d 2658 . . . . . . . 8  |-  ( ph  ->  ( ( 9  x.  ( 2  x.  ( P ^ 3 ) ) )  -  ( 8  x.  ( 2  x.  ( P ^ 3 ) ) ) )  =  ( 2  x.  ( P ^ 3 ) ) )
119118negeqd 10275 . . . . . . 7  |-  ( ph  -> 
-u ( ( 9  x.  ( 2  x.  ( P ^ 3 ) ) )  -  ( 8  x.  (
2  x.  ( P ^ 3 ) ) ) )  =  -u ( 2  x.  ( P ^ 3 ) ) )
120111, 119eqtr3d 2658 . . . . . 6  |-  ( ph  ->  ( ( 8  x.  ( 2  x.  ( P ^ 3 ) ) )  -  ( 9  x.  ( 2  x.  ( P ^ 3 ) ) ) )  =  -u ( 2  x.  ( P ^ 3 ) ) )
121120oveq1d 6665 . . . . 5  |-  ( ph  ->  ( ( ( 8  x.  ( 2  x.  ( P ^ 3 ) ) )  -  ( 9  x.  (
2  x.  ( P ^ 3 ) ) ) )  +  (; 7
2  x.  ( P  x.  R ) ) )  =  ( -u ( 2  x.  ( P ^ 3 ) )  +  (; 7 2  x.  ( P  x.  R )
) ) )
122100, 110, 1213eqtrd 2660 . . . 4  |-  ( ph  ->  ( ( 2  x.  ( ( 2  x.  P ) ^ 3 ) )  -  (
9  x.  ( ( 2  x.  P )  x.  ( ( P ^ 2 )  -  ( 4  x.  R
) ) ) ) )  =  ( -u ( 2  x.  ( P ^ 3 ) )  +  (; 7 2  x.  ( P  x.  R )
) ) )
123 7nn 11190 . . . . . . 7  |-  7  e.  NN
12479, 123decnncl 11518 . . . . . 6  |- ; 2 7  e.  NN
125124nncni 11030 . . . . 5  |- ; 2 7  e.  CC
126 quartlem1.q . . . . . 6  |-  ( ph  ->  Q  e.  CC )
127126sqcld 13006 . . . . 5  |-  ( ph  ->  ( Q ^ 2 )  e.  CC )
128 mulneg2 10467 . . . . 5  |-  ( (; 2
7  e.  CC  /\  ( Q ^ 2 )  e.  CC )  -> 
(; 2 7  x.  -u ( Q ^ 2 ) )  =  -u (; 2 7  x.  ( Q ^ 2 ) ) )
129125, 127, 128sylancr 695 . . . 4  |-  ( ph  ->  (; 2 7  x.  -u ( Q ^ 2 ) )  =  -u (; 2 7  x.  ( Q ^ 2 ) ) )
130122, 129oveq12d 6668 . . 3  |-  ( ph  ->  ( ( ( 2  x.  ( ( 2  x.  P ) ^
3 ) )  -  ( 9  x.  (
( 2  x.  P
)  x.  ( ( P ^ 2 )  -  ( 4  x.  R ) ) ) ) )  +  (; 2
7  x.  -u ( Q ^ 2 ) ) )  =  ( (
-u ( 2  x.  ( P ^ 3 ) )  +  (; 7
2  x.  ( P  x.  R ) ) )  +  -u (; 2 7  x.  ( Q ^
2 ) ) ) )
13169negcld 10379 . . . . 5  |-  ( ph  -> 
-u ( 2  x.  ( P ^ 3 ) )  e.  CC )
132 mulcl 10020 . . . . . 6  |-  ( (; 2
7  e.  CC  /\  ( Q ^ 2 )  e.  CC )  -> 
(; 2 7  x.  ( Q ^ 2 ) )  e.  CC )
133125, 127, 132sylancr 695 . . . . 5  |-  ( ph  ->  (; 2 7  x.  ( Q ^ 2 ) )  e.  CC )
134131, 109, 133addsubd 10413 . . . 4  |-  ( ph  ->  ( ( -u (
2  x.  ( P ^ 3 ) )  +  (; 7 2  x.  ( P  x.  R )
) )  -  (; 2 7  x.  ( Q ^
2 ) ) )  =  ( ( -u ( 2  x.  ( P ^ 3 ) )  -  (; 2 7  x.  ( Q ^ 2 ) ) )  +  (; 7 2  x.  ( P  x.  R )
) ) )
135131, 109addcld 10059 . . . . 5  |-  ( ph  ->  ( -u ( 2  x.  ( P ^
3 ) )  +  (; 7 2  x.  ( P  x.  R )
) )  e.  CC )
136135, 133negsubd 10398 . . . 4  |-  ( ph  ->  ( ( -u (
2  x.  ( P ^ 3 ) )  +  (; 7 2  x.  ( P  x.  R )
) )  +  -u (; 2 7  x.  ( Q ^ 2 ) ) )  =  ( (
-u ( 2  x.  ( P ^ 3 ) )  +  (; 7
2  x.  ( P  x.  R ) ) )  -  (; 2 7  x.  ( Q ^ 2 ) ) ) )
137 quartlem1.v . . . 4  |-  ( ph  ->  V  =  ( (
-u ( 2  x.  ( P ^ 3 ) )  -  (; 2 7  x.  ( Q ^
2 ) ) )  +  (; 7 2  x.  ( P  x.  R )
) ) )
138134, 136, 1373eqtr4d 2666 . . 3  |-  ( ph  ->  ( ( -u (
2  x.  ( P ^ 3 ) )  +  (; 7 2  x.  ( P  x.  R )
) )  +  -u (; 2 7  x.  ( Q ^ 2 ) ) )  =  V )
139130, 138eqtr2d 2657 . 2  |-  ( ph  ->  V  =  ( ( ( 2  x.  (
( 2  x.  P
) ^ 3 ) )  -  ( 9  x.  ( ( 2  x.  P )  x.  ( ( P ^
2 )  -  (
4  x.  R ) ) ) ) )  +  (; 2 7  x.  -u ( Q ^ 2 ) ) ) )
14051, 139jca 554 1  |-  ( ph  ->  ( U  =  ( ( ( 2  x.  P ) ^ 2 )  -  ( 3  x.  ( ( P ^ 2 )  -  ( 4  x.  R
) ) ) )  /\  V  =  ( ( ( 2  x.  ( ( 2  x.  P ) ^ 3 ) )  -  (
9  x.  ( ( 2  x.  P )  x.  ( ( P ^ 2 )  -  ( 4  x.  R
) ) ) ) )  +  (; 2 7  x.  -u ( Q ^ 2 ) ) ) ) )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    /\ wa 384    = wceq 1483    e. wcel 1990  (class class class)co 6650   CCcc 9934   1c1 9937    + caddc 9939    x. cmul 9941    - cmin 10266   -ucneg 10267   2c2 11070   3c3 11071   4c4 11072   7c7 11075   8c8 11076   9c9 11077   NN0cn0 11292  ;cdc 11493   ^cexp 12860
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949  ax-cnex 9992  ax-resscn 9993  ax-1cn 9994  ax-icn 9995  ax-addcl 9996  ax-addrcl 9997  ax-mulcl 9998  ax-mulrcl 9999  ax-mulcom 10000  ax-addass 10001  ax-mulass 10002  ax-distr 10003  ax-i2m1 10004  ax-1ne0 10005  ax-1rid 10006  ax-rnegex 10007  ax-rrecex 10008  ax-cnre 10009  ax-pre-lttri 10010  ax-pre-lttrn 10011  ax-pre-ltadd 10012  ax-pre-mulgt0 10013
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1038  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-nel 2898  df-ral 2917  df-rex 2918  df-reu 2919  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-pss 3590  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-tp 4182  df-op 4184  df-uni 4437  df-iun 4522  df-br 4654  df-opab 4713  df-mpt 4730  df-tr 4753  df-id 5024  df-eprel 5029  df-po 5035  df-so 5036  df-fr 5073  df-we 5075  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-pred 5680  df-ord 5726  df-on 5727  df-lim 5728  df-suc 5729  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-riota 6611  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-om 7066  df-2nd 7169  df-wrecs 7407  df-recs 7468  df-rdg 7506  df-er 7742  df-en 7956  df-dom 7957  df-sdom 7958  df-pnf 10076  df-mnf 10077  df-xr 10078  df-ltxr 10079  df-le 10080  df-sub 10268  df-neg 10269  df-nn 11021  df-2 11079  df-3 11080  df-4 11081  df-5 11082  df-6 11083  df-7 11084  df-8 11085  df-9 11086  df-n0 11293  df-z 11378  df-dec 11494  df-uz 11688  df-seq 12802  df-exp 12861
This theorem is referenced by:  quart  24588
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