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Theorem 2lgslem3d 15796
Description: Lemma for 2lgslem3d1 15800. (Contributed by AV, 16-Jul-2021.)
Hypothesis
Ref Expression
2lgslem2.n  |-  N  =  ( ( ( P  -  1 )  / 
2 )  -  ( |_ `  ( P  / 
4 ) ) )
Assertion
Ref Expression
2lgslem3d  |-  ( ( K  e.  NN0  /\  P  =  ( (
8  x.  K )  +  7 ) )  ->  N  =  ( ( 2  x.  K
)  +  2 ) )

Proof of Theorem 2lgslem3d
StepHypRef Expression
1 2lgslem2.n . . 3  |-  N  =  ( ( ( P  -  1 )  / 
2 )  -  ( |_ `  ( P  / 
4 ) ) )
2 oveq1 6017 . . . . 5  |-  ( P  =  ( ( 8  x.  K )  +  7 )  ->  ( P  -  1 )  =  ( ( ( 8  x.  K )  +  7 )  - 
1 ) )
32oveq1d 6025 . . . 4  |-  ( P  =  ( ( 8  x.  K )  +  7 )  ->  (
( P  -  1 )  /  2 )  =  ( ( ( ( 8  x.  K
)  +  7 )  -  1 )  / 
2 ) )
4 fvoveq1 6033 . . . 4  |-  ( P  =  ( ( 8  x.  K )  +  7 )  ->  ( |_ `  ( P  / 
4 ) )  =  ( |_ `  (
( ( 8  x.  K )  +  7 )  /  4 ) ) )
53, 4oveq12d 6028 . . 3  |-  ( P  =  ( ( 8  x.  K )  +  7 )  ->  (
( ( P  - 
1 )  /  2
)  -  ( |_
`  ( P  / 
4 ) ) )  =  ( ( ( ( ( 8  x.  K )  +  7 )  -  1 )  /  2 )  -  ( |_ `  ( ( ( 8  x.  K
)  +  7 )  /  4 ) ) ) )
61, 5eqtrid 2274 . 2  |-  ( P  =  ( ( 8  x.  K )  +  7 )  ->  N  =  ( ( ( ( ( 8  x.  K )  +  7 )  -  1 )  /  2 )  -  ( |_ `  ( ( ( 8  x.  K
)  +  7 )  /  4 ) ) ) )
7 8nn0 9408 . . . . . . . . . . 11  |-  8  e.  NN0
87a1i 9 . . . . . . . . . 10  |-  ( K  e.  NN0  ->  8  e. 
NN0 )
9 id 19 . . . . . . . . . 10  |-  ( K  e.  NN0  ->  K  e. 
NN0 )
108, 9nn0mulcld 9443 . . . . . . . . 9  |-  ( K  e.  NN0  ->  ( 8  x.  K )  e. 
NN0 )
1110nn0cnd 9440 . . . . . . . 8  |-  ( K  e.  NN0  ->  ( 8  x.  K )  e.  CC )
12 7cn 9210 . . . . . . . . 9  |-  7  e.  CC
1312a1i 9 . . . . . . . 8  |-  ( K  e.  NN0  ->  7  e.  CC )
14 1cnd 8178 . . . . . . . 8  |-  ( K  e.  NN0  ->  1  e.  CC )
1511, 13, 14addsubassd 8493 . . . . . . 7  |-  ( K  e.  NN0  ->  ( ( ( 8  x.  K
)  +  7 )  -  1 )  =  ( ( 8  x.  K )  +  ( 7  -  1 ) ) )
16 4t2e8 9285 . . . . . . . . . . . 12  |-  ( 4  x.  2 )  =  8
1716eqcomi 2233 . . . . . . . . . . 11  |-  8  =  ( 4  x.  2 )
1817a1i 9 . . . . . . . . . 10  |-  ( K  e.  NN0  ->  8  =  ( 4  x.  2 ) )
1918oveq1d 6025 . . . . . . . . 9  |-  ( K  e.  NN0  ->  ( 8  x.  K )  =  ( ( 4  x.  2 )  x.  K
) )
20 4cn 9204 . . . . . . . . . . 11  |-  4  e.  CC
2120a1i 9 . . . . . . . . . 10  |-  ( K  e.  NN0  ->  4  e.  CC )
22 2cn 9197 . . . . . . . . . . 11  |-  2  e.  CC
2322a1i 9 . . . . . . . . . 10  |-  ( K  e.  NN0  ->  2  e.  CC )
24 nn0cn 9395 . . . . . . . . . 10  |-  ( K  e.  NN0  ->  K  e.  CC )
2521, 23, 24mul32d 8315 . . . . . . . . 9  |-  ( K  e.  NN0  ->  ( ( 4  x.  2 )  x.  K )  =  ( ( 4  x.  K )  x.  2 ) )
2619, 25eqtrd 2262 . . . . . . . 8  |-  ( K  e.  NN0  ->  ( 8  x.  K )  =  ( ( 4  x.  K )  x.  2 ) )
27 7m1e6 9250 . . . . . . . . 9  |-  ( 7  -  1 )  =  6
2827a1i 9 . . . . . . . 8  |-  ( K  e.  NN0  ->  ( 7  -  1 )  =  6 )
2926, 28oveq12d 6028 . . . . . . 7  |-  ( K  e.  NN0  ->  ( ( 8  x.  K )  +  ( 7  -  1 ) )  =  ( ( ( 4  x.  K )  x.  2 )  +  6 ) )
3015, 29eqtrd 2262 . . . . . 6  |-  ( K  e.  NN0  ->  ( ( ( 8  x.  K
)  +  7 )  -  1 )  =  ( ( ( 4  x.  K )  x.  2 )  +  6 ) )
3130oveq1d 6025 . . . . 5  |-  ( K  e.  NN0  ->  ( ( ( ( 8  x.  K )  +  7 )  -  1 )  /  2 )  =  ( ( ( ( 4  x.  K )  x.  2 )  +  6 )  /  2
) )
32 4nn0 9404 . . . . . . . . . 10  |-  4  e.  NN0
3332a1i 9 . . . . . . . . 9  |-  ( K  e.  NN0  ->  4  e. 
NN0 )
3433, 9nn0mulcld 9443 . . . . . . . 8  |-  ( K  e.  NN0  ->  ( 4  x.  K )  e. 
NN0 )
3534nn0cnd 9440 . . . . . . 7  |-  ( K  e.  NN0  ->  ( 4  x.  K )  e.  CC )
3635, 23mulcld 8183 . . . . . 6  |-  ( K  e.  NN0  ->  ( ( 4  x.  K )  x.  2 )  e.  CC )
37 6cn 9208 . . . . . . 7  |-  6  e.  CC
3837a1i 9 . . . . . 6  |-  ( K  e.  NN0  ->  6  e.  CC )
39 2rp 9871 . . . . . . . 8  |-  2  e.  RR+
4039a1i 9 . . . . . . 7  |-  ( K  e.  NN0  ->  2  e.  RR+ )
4140rpap0d 9915 . . . . . 6  |-  ( K  e.  NN0  ->  2 #  0 )
4236, 38, 23, 41divdirapd 8992 . . . . 5  |-  ( K  e.  NN0  ->  ( ( ( ( 4  x.  K )  x.  2 )  +  6 )  /  2 )  =  ( ( ( ( 4  x.  K )  x.  2 )  / 
2 )  +  ( 6  /  2 ) ) )
4335, 23, 41divcanap4d 8959 . . . . . 6  |-  ( K  e.  NN0  ->  ( ( ( 4  x.  K
)  x.  2 )  /  2 )  =  ( 4  x.  K
) )
44 3t2e6 9283 . . . . . . . . . 10  |-  ( 3  x.  2 )  =  6
4544eqcomi 2233 . . . . . . . . 9  |-  6  =  ( 3  x.  2 )
4645oveq1i 6020 . . . . . . . 8  |-  ( 6  /  2 )  =  ( ( 3  x.  2 )  /  2
)
47 3cn 9201 . . . . . . . . 9  |-  3  e.  CC
48 2ap0 9219 . . . . . . . . 9  |-  2 #  0
4947, 22, 48divcanap4i 8922 . . . . . . . 8  |-  ( ( 3  x.  2 )  /  2 )  =  3
5046, 49eqtri 2250 . . . . . . 7  |-  ( 6  /  2 )  =  3
5150a1i 9 . . . . . 6  |-  ( K  e.  NN0  ->  ( 6  /  2 )  =  3 )
5243, 51oveq12d 6028 . . . . 5  |-  ( K  e.  NN0  ->  ( ( ( ( 4  x.  K )  x.  2 )  /  2 )  +  ( 6  / 
2 ) )  =  ( ( 4  x.  K )  +  3 ) )
5331, 42, 523eqtrd 2266 . . . 4  |-  ( K  e.  NN0  ->  ( ( ( ( 8  x.  K )  +  7 )  -  1 )  /  2 )  =  ( ( 4  x.  K )  +  3 ) )
54 4ap0 9225 . . . . . . . . 9  |-  4 #  0
5554a1i 9 . . . . . . . 8  |-  ( K  e.  NN0  ->  4 #  0 )
5611, 13, 21, 55divdirapd 8992 . . . . . . 7  |-  ( K  e.  NN0  ->  ( ( ( 8  x.  K
)  +  7 )  /  4 )  =  ( ( ( 8  x.  K )  / 
4 )  +  ( 7  /  4 ) ) )
57 8cn 9212 . . . . . . . . . . 11  |-  8  e.  CC
5857a1i 9 . . . . . . . . . 10  |-  ( K  e.  NN0  ->  8  e.  CC )
5958, 24, 21, 55div23apd 8991 . . . . . . . . 9  |-  ( K  e.  NN0  ->  ( ( 8  x.  K )  /  4 )  =  ( ( 8  / 
4 )  x.  K
) )
6017oveq1i 6020 . . . . . . . . . . . 12  |-  ( 8  /  4 )  =  ( ( 4  x.  2 )  /  4
)
6122, 20, 54divcanap3i 8921 . . . . . . . . . . . 12  |-  ( ( 4  x.  2 )  /  4 )  =  2
6260, 61eqtri 2250 . . . . . . . . . . 11  |-  ( 8  /  4 )  =  2
6362a1i 9 . . . . . . . . . 10  |-  ( K  e.  NN0  ->  ( 8  /  4 )  =  2 )
6463oveq1d 6025 . . . . . . . . 9  |-  ( K  e.  NN0  ->  ( ( 8  /  4 )  x.  K )  =  ( 2  x.  K
) )
6559, 64eqtrd 2262 . . . . . . . 8  |-  ( K  e.  NN0  ->  ( ( 8  x.  K )  /  4 )  =  ( 2  x.  K
) )
6665oveq1d 6025 . . . . . . 7  |-  ( K  e.  NN0  ->  ( ( ( 8  x.  K
)  /  4 )  +  ( 7  / 
4 ) )  =  ( ( 2  x.  K )  +  ( 7  /  4 ) ) )
6756, 66eqtrd 2262 . . . . . 6  |-  ( K  e.  NN0  ->  ( ( ( 8  x.  K
)  +  7 )  /  4 )  =  ( ( 2  x.  K )  +  ( 7  /  4 ) ) )
6867fveq2d 5636 . . . . 5  |-  ( K  e.  NN0  ->  ( |_
`  ( ( ( 8  x.  K )  +  7 )  / 
4 ) )  =  ( |_ `  (
( 2  x.  K
)  +  ( 7  /  4 ) ) ) )
69 3lt4 9299 . . . . . 6  |-  3  <  4
70 2nn0 9402 . . . . . . . . . . . 12  |-  2  e.  NN0
7170a1i 9 . . . . . . . . . . 11  |-  ( K  e.  NN0  ->  2  e. 
NN0 )
7271, 9nn0mulcld 9443 . . . . . . . . . 10  |-  ( K  e.  NN0  ->  ( 2  x.  K )  e. 
NN0 )
7372nn0zd 9583 . . . . . . . . 9  |-  ( K  e.  NN0  ->  ( 2  x.  K )  e.  ZZ )
7473peano2zd 9588 . . . . . . . 8  |-  ( K  e.  NN0  ->  ( ( 2  x.  K )  +  1 )  e.  ZZ )
75 3nn0 9403 . . . . . . . . 9  |-  3  e.  NN0
7675a1i 9 . . . . . . . 8  |-  ( K  e.  NN0  ->  3  e. 
NN0 )
77 4nn 9290 . . . . . . . . 9  |-  4  e.  NN
7877a1i 9 . . . . . . . 8  |-  ( K  e.  NN0  ->  4  e.  NN )
79 adddivflid 10529 . . . . . . . 8  |-  ( ( ( ( 2  x.  K )  +  1 )  e.  ZZ  /\  3  e.  NN0  /\  4  e.  NN )  ->  (
3  <  4  <->  ( |_ `  ( ( ( 2  x.  K )  +  1 )  +  ( 3  /  4 ) ) )  =  ( ( 2  x.  K
)  +  1 ) ) )
8074, 76, 78, 79syl3anc 1271 . . . . . . 7  |-  ( K  e.  NN0  ->  ( 3  <  4  <->  ( |_ `  ( ( ( 2  x.  K )  +  1 )  +  ( 3  /  4 ) ) )  =  ( ( 2  x.  K
)  +  1 ) ) )
8123, 24mulcld 8183 . . . . . . . . . 10  |-  ( K  e.  NN0  ->  ( 2  x.  K )  e.  CC )
8247a1i 9 . . . . . . . . . . 11  |-  ( K  e.  NN0  ->  3  e.  CC )
8382, 21, 55divclapd 8953 . . . . . . . . . 10  |-  ( K  e.  NN0  ->  ( 3  /  4 )  e.  CC )
8481, 14, 83addassd 8185 . . . . . . . . 9  |-  ( K  e.  NN0  ->  ( ( ( 2  x.  K
)  +  1 )  +  ( 3  / 
4 ) )  =  ( ( 2  x.  K )  +  ( 1  +  ( 3  /  4 ) ) ) )
85 4p3e7 9271 . . . . . . . . . . . . . . 15  |-  ( 4  +  3 )  =  7
8685eqcomi 2233 . . . . . . . . . . . . . 14  |-  7  =  ( 4  +  3 )
8786oveq1i 6020 . . . . . . . . . . . . 13  |-  ( 7  /  4 )  =  ( ( 4  +  3 )  /  4
)
8820, 47, 20, 54divdirapi 8932 . . . . . . . . . . . . 13  |-  ( ( 4  +  3 )  /  4 )  =  ( ( 4  / 
4 )  +  ( 3  /  4 ) )
8920, 54dividapi 8908 . . . . . . . . . . . . . 14  |-  ( 4  /  4 )  =  1
9089oveq1i 6020 . . . . . . . . . . . . 13  |-  ( ( 4  /  4 )  +  ( 3  / 
4 ) )  =  ( 1  +  ( 3  /  4 ) )
9187, 88, 903eqtri 2254 . . . . . . . . . . . 12  |-  ( 7  /  4 )  =  ( 1  +  ( 3  /  4 ) )
9291a1i 9 . . . . . . . . . . 11  |-  ( K  e.  NN0  ->  ( 7  /  4 )  =  ( 1  +  ( 3  /  4 ) ) )
9392eqcomd 2235 . . . . . . . . . 10  |-  ( K  e.  NN0  ->  ( 1  +  ( 3  / 
4 ) )  =  ( 7  /  4
) )
9493oveq2d 6026 . . . . . . . . 9  |-  ( K  e.  NN0  ->  ( ( 2  x.  K )  +  ( 1  +  ( 3  /  4
) ) )  =  ( ( 2  x.  K )  +  ( 7  /  4 ) ) )
9584, 94eqtrd 2262 . . . . . . . 8  |-  ( K  e.  NN0  ->  ( ( ( 2  x.  K
)  +  1 )  +  ( 3  / 
4 ) )  =  ( ( 2  x.  K )  +  ( 7  /  4 ) ) )
9695fveqeq2d 5640 . . . . . . 7  |-  ( K  e.  NN0  ->  ( ( |_ `  ( ( ( 2  x.  K
)  +  1 )  +  ( 3  / 
4 ) ) )  =  ( ( 2  x.  K )  +  1 )  <->  ( |_ `  ( ( 2  x.  K )  +  ( 7  /  4 ) ) )  =  ( ( 2  x.  K
)  +  1 ) ) )
9780, 96bitrd 188 . . . . . 6  |-  ( K  e.  NN0  ->  ( 3  <  4  <->  ( |_ `  ( ( 2  x.  K )  +  ( 7  /  4 ) ) )  =  ( ( 2  x.  K
)  +  1 ) ) )
9869, 97mpbii 148 . . . . 5  |-  ( K  e.  NN0  ->  ( |_
`  ( ( 2  x.  K )  +  ( 7  /  4
) ) )  =  ( ( 2  x.  K )  +  1 ) )
9968, 98eqtrd 2262 . . . 4  |-  ( K  e.  NN0  ->  ( |_
`  ( ( ( 8  x.  K )  +  7 )  / 
4 ) )  =  ( ( 2  x.  K )  +  1 ) )
10053, 99oveq12d 6028 . . 3  |-  ( K  e.  NN0  ->  ( ( ( ( ( 8  x.  K )  +  7 )  -  1 )  /  2 )  -  ( |_ `  ( ( ( 8  x.  K )  +  7 )  /  4
) ) )  =  ( ( ( 4  x.  K )  +  3 )  -  (
( 2  x.  K
)  +  1 ) ) )
10172nn0cnd 9440 . . . 4  |-  ( K  e.  NN0  ->  ( 2  x.  K )  e.  CC )
10235, 82, 101, 14addsub4d 8520 . . 3  |-  ( K  e.  NN0  ->  ( ( ( 4  x.  K
)  +  3 )  -  ( ( 2  x.  K )  +  1 ) )  =  ( ( ( 4  x.  K )  -  ( 2  x.  K
) )  +  ( 3  -  1 ) ) )
103 2t2e4 9281 . . . . . . . . . 10  |-  ( 2  x.  2 )  =  4
104103eqcomi 2233 . . . . . . . . 9  |-  4  =  ( 2  x.  2 )
105104a1i 9 . . . . . . . 8  |-  ( K  e.  NN0  ->  4  =  ( 2  x.  2 ) )
106105oveq1d 6025 . . . . . . 7  |-  ( K  e.  NN0  ->  ( 4  x.  K )  =  ( ( 2  x.  2 )  x.  K
) )
10723, 23, 24mulassd 8186 . . . . . . 7  |-  ( K  e.  NN0  ->  ( ( 2  x.  2 )  x.  K )  =  ( 2  x.  (
2  x.  K ) ) )
108106, 107eqtrd 2262 . . . . . 6  |-  ( K  e.  NN0  ->  ( 4  x.  K )  =  ( 2  x.  (
2  x.  K ) ) )
109108oveq1d 6025 . . . . 5  |-  ( K  e.  NN0  ->  ( ( 4  x.  K )  -  ( 2  x.  K ) )  =  ( ( 2  x.  ( 2  x.  K
) )  -  (
2  x.  K ) ) )
110 2txmxeqx 9258 . . . . . 6  |-  ( ( 2  x.  K )  e.  CC  ->  (
( 2  x.  (
2  x.  K ) )  -  ( 2  x.  K ) )  =  ( 2  x.  K ) )
111101, 110syl 14 . . . . 5  |-  ( K  e.  NN0  ->  ( ( 2  x.  ( 2  x.  K ) )  -  ( 2  x.  K ) )  =  ( 2  x.  K
) )
112109, 111eqtrd 2262 . . . 4  |-  ( K  e.  NN0  ->  ( ( 4  x.  K )  -  ( 2  x.  K ) )  =  ( 2  x.  K
) )
113 3m1e2 9246 . . . . 5  |-  ( 3  -  1 )  =  2
114113a1i 9 . . . 4  |-  ( K  e.  NN0  ->  ( 3  -  1 )  =  2 )
115112, 114oveq12d 6028 . . 3  |-  ( K  e.  NN0  ->  ( ( ( 4  x.  K
)  -  ( 2  x.  K ) )  +  ( 3  -  1 ) )  =  ( ( 2  x.  K )  +  2 ) )
116100, 102, 1153eqtrd 2266 . 2  |-  ( K  e.  NN0  ->  ( ( ( ( ( 8  x.  K )  +  7 )  -  1 )  /  2 )  -  ( |_ `  ( ( ( 8  x.  K )  +  7 )  /  4
) ) )  =  ( ( 2  x.  K )  +  2 ) )
1176, 116sylan9eqr 2284 1  |-  ( ( K  e.  NN0  /\  P  =  ( (
8  x.  K )  +  7 ) )  ->  N  =  ( ( 2  x.  K
)  +  2 ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    <-> wb 105    = wceq 1395    e. wcel 2200   class class class wbr 4083   ` cfv 5321  (class class class)co 6010   CCcc 8013   0cc0 8015   1c1 8016    + caddc 8018    x. cmul 8020    < clt 8197    - cmin 8333   # cap 8744    / cdiv 8835   NNcn 9126   2c2 9177   3c3 9178   4c4 9179   6c6 9181   7c7 9182   8c8 9183   NN0cn0 9385   ZZcz 9462   RR+crp 9866   |_cfl 10505
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 617  ax-in2 618  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-13 2202  ax-14 2203  ax-ext 2211  ax-sep 4202  ax-pow 4259  ax-pr 4294  ax-un 4525  ax-setind 4630  ax-cnex 8106  ax-resscn 8107  ax-1cn 8108  ax-1re 8109  ax-icn 8110  ax-addcl 8111  ax-addrcl 8112  ax-mulcl 8113  ax-mulrcl 8114  ax-addcom 8115  ax-mulcom 8116  ax-addass 8117  ax-mulass 8118  ax-distr 8119  ax-i2m1 8120  ax-0lt1 8121  ax-1rid 8122  ax-0id 8123  ax-rnegex 8124  ax-precex 8125  ax-cnre 8126  ax-pre-ltirr 8127  ax-pre-ltwlin 8128  ax-pre-lttrn 8129  ax-pre-apti 8130  ax-pre-ltadd 8131  ax-pre-mulgt0 8132  ax-pre-mulext 8133  ax-arch 8134
This theorem depends on definitions:  df-bi 117  df-3or 1003  df-3an 1004  df-tru 1398  df-fal 1401  df-nf 1507  df-sb 1809  df-eu 2080  df-mo 2081  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ne 2401  df-nel 2496  df-ral 2513  df-rex 2514  df-reu 2515  df-rmo 2516  df-rab 2517  df-v 2801  df-sbc 3029  df-csb 3125  df-dif 3199  df-un 3201  df-in 3203  df-ss 3210  df-pw 3651  df-sn 3672  df-pr 3673  df-op 3675  df-uni 3889  df-int 3924  df-iun 3967  df-br 4084  df-opab 4146  df-mpt 4147  df-id 4385  df-po 4388  df-iso 4389  df-xp 4726  df-rel 4727  df-cnv 4728  df-co 4729  df-dm 4730  df-rn 4731  df-res 4732  df-ima 4733  df-iota 5281  df-fun 5323  df-fn 5324  df-f 5325  df-fv 5329  df-riota 5963  df-ov 6013  df-oprab 6014  df-mpo 6015  df-1st 6295  df-2nd 6296  df-pnf 8199  df-mnf 8200  df-xr 8201  df-ltxr 8202  df-le 8203  df-sub 8335  df-neg 8336  df-reap 8738  df-ap 8745  df-div 8836  df-inn 9127  df-2 9185  df-3 9186  df-4 9187  df-5 9188  df-6 9189  df-7 9190  df-8 9191  df-n0 9386  df-z 9463  df-q 9832  df-rp 9867  df-fl 10507
This theorem is referenced by:  2lgslem3d1  15800
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