Theorem 2lgslem3c 15966

Description: Lemma for 2lgslem3c1 15970. (Contributed by AV, 16-Jul-2021.)

Hypothesis

Ref	Expression
2lgslem2.n	|- N = ( ( ( P - 1 ) / 2 ) - ( |_ ` ( P / 4 ) ) )

Assertion

Ref	Expression
2lgslem3c	|- ( ( K e. NN0 /\ P = ( ( 8 x. K ) + 5 ) ) -> N = ( ( 2 x. K ) + 1 ) )

Proof of Theorem 2lgslem3c

Step	Hyp	Ref	Expression
1		2lgslem2.n	. . 3 |- N = ( ( ( P - 1 ) / 2 ) - ( |_ ` ( P / 4 ) ) )
2		oveq1 6057	. . . . 5 |- ( P = ( ( 8 x. K ) + 5 ) -> ( P - 1 ) = ( ( ( 8 x. K ) + 5 ) - 1 ) )
3	2	oveq1d 6065	. . . 4 |- ( P = ( ( 8 x. K ) + 5 ) -> ( ( P - 1 ) / 2 ) = ( ( ( ( 8 x. K ) + 5 ) - 1 ) / 2 ) )
4		fvoveq1 6073	. . . 4 |- ( P = ( ( 8 x. K ) + 5 ) -> ( |_ ` ( P / 4 ) ) = ( |_ ` ( ( ( 8 x. K ) + 5 ) / 4 ) ) )
5	3, 4	oveq12d 6068	. . 3 |- ( P = ( ( 8 x. K ) + 5 ) -> ( ( ( P - 1 ) / 2 ) - ( |_ ` ( P / 4 ) ) ) = ( ( ( ( ( 8 x. K ) + 5 ) - 1 ) / 2 ) - ( |_ ` ( ( ( 8 x. K ) + 5 ) / 4 ) ) ) )
6	1, 5	eqtrid 2277	. 2 |- ( P = ( ( 8 x. K ) + 5 ) -> N = ( ( ( ( ( 8 x. K ) + 5 ) - 1 ) / 2 ) - ( |_ ` ( ( ( 8 x. K ) + 5 ) / 4 ) ) ) )
7		8nn0 9519	. . . . . . . . . . 11 |- 8 e. NN0
8	7	a1i 9	. . . . . . . . . 10 |- ( K e. NN0 -> 8 e. NN0 )
9		id 19	. . . . . . . . . 10 |- ( K e. NN0 -> K e. NN0 )
10	8, 9	nn0mulcld 9558	. . . . . . . . 9 |- ( K e. NN0 -> ( 8 x. K ) e. NN0 )
11	10	nn0cnd 9555	. . . . . . . 8 |- ( K e. NN0 -> ( 8 x. K ) e. CC )
12		5cn 9317	. . . . . . . . 9 |- 5 e. CC
13	12	a1i 9	. . . . . . . 8 |- ( K e. NN0 -> 5 e. CC )
14		1cnd 8290	. . . . . . . 8 |- ( K e. NN0 -> 1 e. CC )
15	11, 13, 14	addsubassd 8604	. . . . . . 7 |- ( K e. NN0 -> ( ( ( 8 x. K ) + 5 ) - 1 ) = ( ( 8 x. K ) + ( 5 - 1 ) ) )
16		4t2e8 9396	. . . . . . . . . . . 12 |- ( 4 x. 2 ) = 8
17	16	eqcomi 2236	. . . . . . . . . . 11 |- 8 = ( 4 x. 2 )
18	17	a1i 9	. . . . . . . . . 10 |- ( K e. NN0 -> 8 = ( 4 x. 2 ) )
19	18	oveq1d 6065	. . . . . . . . 9 |- ( K e. NN0 -> ( 8 x. K ) = ( ( 4 x. 2 ) x. K ) )
20		4cn 9315	. . . . . . . . . . 11 |- 4 e. CC
21	20	a1i 9	. . . . . . . . . 10 |- ( K e. NN0 -> 4 e. CC )
22		2cn 9308	. . . . . . . . . . 11 |- 2 e. CC
23	22	a1i 9	. . . . . . . . . 10 |- ( K e. NN0 -> 2 e. CC )
24		nn0cn 9506	. . . . . . . . . 10 |- ( K e. NN0 -> K e. CC )
25	21, 23, 24	mul32d 8426	. . . . . . . . 9 |- ( K e. NN0 -> ( ( 4 x. 2 ) x. K ) = ( ( 4 x. K ) x. 2 ) )
26	19, 25	eqtrd 2265	. . . . . . . 8 |- ( K e. NN0 -> ( 8 x. K ) = ( ( 4 x. K ) x. 2 ) )
27		5m1e4 9359	. . . . . . . . 9 |- ( 5 - 1 ) = 4
28	27	a1i 9	. . . . . . . 8 |- ( K e. NN0 -> ( 5 - 1 ) = 4 )
29	26, 28	oveq12d 6068	. . . . . . 7 |- ( K e. NN0 -> ( ( 8 x. K ) + ( 5 - 1 ) ) = ( ( ( 4 x. K ) x. 2 ) + 4 ) )
30	15, 29	eqtrd 2265	. . . . . 6 |- ( K e. NN0 -> ( ( ( 8 x. K ) + 5 ) - 1 ) = ( ( ( 4 x. K ) x. 2 ) + 4 ) )
31	30	oveq1d 6065	. . . . 5 |- ( K e. NN0 -> ( ( ( ( 8 x. K ) + 5 ) - 1 ) / 2 ) = ( ( ( ( 4 x. K ) x. 2 ) + 4 ) / 2 ) )
32		4nn0 9515	. . . . . . . . . 10 |- 4 e. NN0
33	32	a1i 9	. . . . . . . . 9 |- ( K e. NN0 -> 4 e. NN0 )
34	33, 9	nn0mulcld 9558	. . . . . . . 8 |- ( K e. NN0 -> ( 4 x. K ) e. NN0 )
35	34	nn0cnd 9555	. . . . . . 7 |- ( K e. NN0 -> ( 4 x. K ) e. CC )
36	35, 23	mulcld 8294	. . . . . 6 |- ( K e. NN0 -> ( ( 4 x. K ) x. 2 ) e. CC )
37		2rp 9991	. . . . . . . 8 |- 2 e. RR+
38	37	a1i 9	. . . . . . 7 |- ( K e. NN0 -> 2 e. RR+ )
39	38	rpap0d 10035	. . . . . 6 |- ( K e. NN0 -> 2 # 0 )
40	36, 21, 23, 39	divdirapd 9103	. . . . 5 |- ( K e. NN0 -> ( ( ( ( 4 x. K ) x. 2 ) + 4 ) / 2 ) = ( ( ( ( 4 x. K ) x. 2 ) / 2 ) + ( 4 / 2 ) ) )
41	35, 23, 39	divcanap4d 9070	. . . . . 6 |- ( K e. NN0 -> ( ( ( 4 x. K ) x. 2 ) / 2 ) = ( 4 x. K ) )
42		4d2e2 9398	. . . . . . 7 |- ( 4 / 2 ) = 2
43	42	a1i 9	. . . . . 6 |- ( K e. NN0 -> ( 4 / 2 ) = 2 )
44	41, 43	oveq12d 6068	. . . . 5 |- ( K e. NN0 -> ( ( ( ( 4 x. K ) x. 2 ) / 2 ) + ( 4 / 2 ) ) = ( ( 4 x. K ) + 2 ) )
45	31, 40, 44	3eqtrd 2269	. . . 4 |- ( K e. NN0 -> ( ( ( ( 8 x. K ) + 5 ) - 1 ) / 2 ) = ( ( 4 x. K ) + 2 ) )
46		4ap0 9336	. . . . . . . . 9 |- 4 # 0
47	46	a1i 9	. . . . . . . 8 |- ( K e. NN0 -> 4 # 0 )
48	11, 13, 21, 47	divdirapd 9103	. . . . . . 7 |- ( K e. NN0 -> ( ( ( 8 x. K ) + 5 ) / 4 ) = ( ( ( 8 x. K ) / 4 ) + ( 5 / 4 ) ) )
49		8cn 9323	. . . . . . . . . . 11 |- 8 e. CC
50	49	a1i 9	. . . . . . . . . 10 |- ( K e. NN0 -> 8 e. CC )
51	50, 24, 21, 47	div23apd 9102	. . . . . . . . 9 |- ( K e. NN0 -> ( ( 8 x. K ) / 4 ) = ( ( 8 / 4 ) x. K ) )
52	17	oveq1i 6060	. . . . . . . . . . . 12 |- ( 8 / 4 ) = ( ( 4 x. 2 ) / 4 )
53	22, 20, 46	divcanap3i 9032	. . . . . . . . . . . 12 |- ( ( 4 x. 2 ) / 4 ) = 2
54	52, 53	eqtri 2253	. . . . . . . . . . 11 |- ( 8 / 4 ) = 2
55	54	a1i 9	. . . . . . . . . 10 |- ( K e. NN0 -> ( 8 / 4 ) = 2 )
56	55	oveq1d 6065	. . . . . . . . 9 |- ( K e. NN0 -> ( ( 8 / 4 ) x. K ) = ( 2 x. K ) )
57	51, 56	eqtrd 2265	. . . . . . . 8 |- ( K e. NN0 -> ( ( 8 x. K ) / 4 ) = ( 2 x. K ) )
58	57	oveq1d 6065	. . . . . . 7 |- ( K e. NN0 -> ( ( ( 8 x. K ) / 4 ) + ( 5 / 4 ) ) = ( ( 2 x. K ) + ( 5 / 4 ) ) )
59	48, 58	eqtrd 2265	. . . . . 6 |- ( K e. NN0 -> ( ( ( 8 x. K ) + 5 ) / 4 ) = ( ( 2 x. K ) + ( 5 / 4 ) ) )
60	59	fveq2d 5674	. . . . 5 |- ( K e. NN0 -> ( |_ ` ( ( ( 8 x. K ) + 5 ) / 4 ) ) = ( |_ ` ( ( 2 x. K ) + ( 5 / 4 ) ) ) )
61		1lt4 9412	. . . . . 6 |- 1 < 4
62		2nn0 9513	. . . . . . . . . . . 12 |- 2 e. NN0
63	62	a1i 9	. . . . . . . . . . 11 |- ( K e. NN0 -> 2 e. NN0 )
64	63, 9	nn0mulcld 9558	. . . . . . . . . 10 |- ( K e. NN0 -> ( 2 x. K ) e. NN0 )
65	64	nn0zd 9698	. . . . . . . . 9 |- ( K e. NN0 -> ( 2 x. K ) e. ZZ )
66	65	peano2zd 9703	. . . . . . . 8 |- ( K e. NN0 -> ( ( 2 x. K ) + 1 ) e. ZZ )
67		1nn0 9512	. . . . . . . . 9 |- 1 e. NN0
68	67	a1i 9	. . . . . . . 8 |- ( K e. NN0 -> 1 e. NN0 )
69		4nn 9401	. . . . . . . . 9 |- 4 e. NN
70	69	a1i 9	. . . . . . . 8 |- ( K e. NN0 -> 4 e. NN )
71		adddivflid 10652	. . . . . . . 8 |- ( ( ( ( 2 x. K ) + 1 ) e. ZZ /\ 1 e. NN0 /\ 4 e. NN ) -> ( 1 < 4 <-> ( |_ ` ( ( ( 2 x. K ) + 1 ) + ( 1 / 4 ) ) ) = ( ( 2 x. K ) + 1 ) ) )
72	66, 68, 70, 71	syl3anc 1274	. . . . . . 7 |- ( K e. NN0 -> ( 1 < 4 <-> ( |_ ` ( ( ( 2 x. K ) + 1 ) + ( 1 / 4 ) ) ) = ( ( 2 x. K ) + 1 ) ) )
73	23, 24	mulcld 8294	. . . . . . . . . 10 |- ( K e. NN0 -> ( 2 x. K ) e. CC )
74	21, 47	recclapd 9055	. . . . . . . . . 10 |- ( K e. NN0 -> ( 1 / 4 ) e. CC )
75	73, 14, 74	addassd 8296	. . . . . . . . 9 |- ( K e. NN0 -> ( ( ( 2 x. K ) + 1 ) + ( 1 / 4 ) ) = ( ( 2 x. K ) + ( 1 + ( 1 / 4 ) ) ) )
76		df-5 9299	. . . . . . . . . . . . . 14 |- 5 = ( 4 + 1 )
77	76	oveq1i 6060	. . . . . . . . . . . . 13 |- ( 5 / 4 ) = ( ( 4 + 1 ) / 4 )
78		ax-1cn 8220	. . . . . . . . . . . . . 14 |- 1 e. CC
79	20, 78, 20, 46	divdirapi 9043	. . . . . . . . . . . . 13 |- ( ( 4 + 1 ) / 4 ) = ( ( 4 / 4 ) + ( 1 / 4 ) )
80	20, 46	dividapi 9019	. . . . . . . . . . . . . 14 |- ( 4 / 4 ) = 1
81	80	oveq1i 6060	. . . . . . . . . . . . 13 |- ( ( 4 / 4 ) + ( 1 / 4 ) ) = ( 1 + ( 1 / 4 ) )
82	77, 79, 81	3eqtri 2257	. . . . . . . . . . . 12 |- ( 5 / 4 ) = ( 1 + ( 1 / 4 ) )
83	82	a1i 9	. . . . . . . . . . 11 |- ( K e. NN0 -> ( 5 / 4 ) = ( 1 + ( 1 / 4 ) ) )
84	83	eqcomd 2238	. . . . . . . . . 10 |- ( K e. NN0 -> ( 1 + ( 1 / 4 ) ) = ( 5 / 4 ) )
85	84	oveq2d 6066	. . . . . . . . 9 |- ( K e. NN0 -> ( ( 2 x. K ) + ( 1 + ( 1 / 4 ) ) ) = ( ( 2 x. K ) + ( 5 / 4 ) ) )
86	75, 85	eqtrd 2265	. . . . . . . 8 |- ( K e. NN0 -> ( ( ( 2 x. K ) + 1 ) + ( 1 / 4 ) ) = ( ( 2 x. K ) + ( 5 / 4 ) ) )
87	86	fveqeq2d 5678	. . . . . . 7 |- ( K e. NN0 -> ( ( |_ ` ( ( ( 2 x. K ) + 1 ) + ( 1 / 4 ) ) ) = ( ( 2 x. K ) + 1 ) <-> ( |_ ` ( ( 2 x. K ) + ( 5 / 4 ) ) ) = ( ( 2 x. K ) + 1 ) ) )
88	72, 87	bitrd 188	. . . . . 6 |- ( K e. NN0 -> ( 1 < 4 <-> ( |_ ` ( ( 2 x. K ) + ( 5 / 4 ) ) ) = ( ( 2 x. K ) + 1 ) ) )
89	61, 88	mpbii 148	. . . . 5 |- ( K e. NN0 -> ( |_ ` ( ( 2 x. K ) + ( 5 / 4 ) ) ) = ( ( 2 x. K ) + 1 ) )
90	60, 89	eqtrd 2265	. . . 4 |- ( K e. NN0 -> ( |_ ` ( ( ( 8 x. K ) + 5 ) / 4 ) ) = ( ( 2 x. K ) + 1 ) )
91	45, 90	oveq12d 6068	. . 3 |- ( K e. NN0 -> ( ( ( ( ( 8 x. K ) + 5 ) - 1 ) / 2 ) - ( |_ ` ( ( ( 8 x. K ) + 5 ) / 4 ) ) ) = ( ( ( 4 x. K ) + 2 ) - ( ( 2 x. K ) + 1 ) ) )
92	64	nn0cnd 9555	. . . 4 |- ( K e. NN0 -> ( 2 x. K ) e. CC )
93	35, 23, 92, 14	addsub4d 8631	. . 3 |- ( K e. NN0 -> ( ( ( 4 x. K ) + 2 ) - ( ( 2 x. K ) + 1 ) ) = ( ( ( 4 x. K ) - ( 2 x. K ) ) + ( 2 - 1 ) ) )
94		2t2e4 9392	. . . . . . . . . 10 |- ( 2 x. 2 ) = 4
95	94	eqcomi 2236	. . . . . . . . 9 |- 4 = ( 2 x. 2 )
96	95	a1i 9	. . . . . . . 8 |- ( K e. NN0 -> 4 = ( 2 x. 2 ) )
97	96	oveq1d 6065	. . . . . . 7 |- ( K e. NN0 -> ( 4 x. K ) = ( ( 2 x. 2 ) x. K ) )
98	23, 23, 24	mulassd 8297	. . . . . . 7 |- ( K e. NN0 -> ( ( 2 x. 2 ) x. K ) = ( 2 x. ( 2 x. K ) ) )
99	97, 98	eqtrd 2265	. . . . . 6 |- ( K e. NN0 -> ( 4 x. K ) = ( 2 x. ( 2 x. K ) ) )
100	99	oveq1d 6065	. . . . 5 |- ( K e. NN0 -> ( ( 4 x. K ) - ( 2 x. K ) ) = ( ( 2 x. ( 2 x. K ) ) - ( 2 x. K ) ) )
101		2txmxeqx 9369	. . . . . 6 |- ( ( 2 x. K ) e. CC -> ( ( 2 x. ( 2 x. K ) ) - ( 2 x. K ) ) = ( 2 x. K ) )
102	92, 101	syl 14	. . . . 5 |- ( K e. NN0 -> ( ( 2 x. ( 2 x. K ) ) - ( 2 x. K ) ) = ( 2 x. K ) )
103	100, 102	eqtrd 2265	. . . 4 |- ( K e. NN0 -> ( ( 4 x. K ) - ( 2 x. K ) ) = ( 2 x. K ) )
104		2m1e1 9355	. . . . 5 |- ( 2 - 1 ) = 1
105	104	a1i 9	. . . 4 |- ( K e. NN0 -> ( 2 - 1 ) = 1 )
106	103, 105	oveq12d 6068	. . 3 |- ( K e. NN0 -> ( ( ( 4 x. K ) - ( 2 x. K ) ) + ( 2 - 1 ) ) = ( ( 2 x. K ) + 1 ) )
107	91, 93, 106	3eqtrd 2269	. 2 |- ( K e. NN0 -> ( ( ( ( ( 8 x. K ) + 5 ) - 1 ) / 2 ) - ( |_ ` ( ( ( 8 x. K ) + 5 ) / 4 ) ) ) = ( ( 2 x. K ) + 1 ) )
108	6, 107	sylan9eqr 2287	1 |- ( ( K e. NN0 /\ P = ( ( 8 x. K ) + 5 ) ) -> N = ( ( 2 x. K ) + 1 ) )

Syntax hints:   -> wi 4   /\ wa 104   <-> wb 105   = wceq 1398   e. wcel 2203   class class class wbr 4109   ` cfv 5352  (class class class)co 6050   CCcc 8125   0cc0 8127   1c1 8128   + caddc 8130   x. cmul 8132   < clt 8308   - cmin 8444   # cap 8855   / cdiv 8946   NNcn 9237   2c2 9288   4c4 9290   5c5 9291   8c8 9294   NN0cn0 9496   ZZcz 9577   RR+crp 9986   |_cfl 10628

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 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2205  ax-14 2206  ax-ext 2214  ax-sep 4228  ax-pow 4287  ax-pr 4322  ax-un 4554  ax-setind 4659  ax-cnex 8218  ax-resscn 8219  ax-1cn 8220  ax-1re 8221  ax-icn 8222  ax-addcl 8223  ax-addrcl 8224  ax-mulcl 8225  ax-mulrcl 8226  ax-addcom 8227  ax-mulcom 8228  ax-addass 8229  ax-mulass 8230  ax-distr 8231  ax-i2m1 8232  ax-0lt1 8233  ax-1rid 8234  ax-0id 8235  ax-rnegex 8236  ax-precex 8237  ax-cnre 8238  ax-pre-ltirr 8239  ax-pre-ltwlin 8240  ax-pre-lttrn 8241  ax-pre-apti 8242  ax-pre-ltadd 8243  ax-pre-mulgt0 8244  ax-pre-mulext 8245  ax-arch 8246

This theorem depends on definitions:  df-bi 117  df-3or 1006  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2083  df-mo 2084  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ne 2413  df-nel 2508  df-ral 2525  df-rex 2526  df-reu 2527  df-rmo 2528  df-rab 2529  df-v 2815  df-sbc 3043  df-csb 3139  df-dif 3213  df-un 3215  df-in 3217  df-ss 3224  df-pw 3671  df-sn 3695  df-pr 3696  df-op 3698  df-uni 3915  df-int 3950  df-iun 3993  df-br 4110  df-opab 4172  df-mpt 4173  df-id 4414  df-po 4417  df-iso 4418  df-xp 4755  df-rel 4756  df-cnv 4757  df-co 4758  df-dm 4759  df-rn 4760  df-res 4761  df-ima 4762  df-iota 5312  df-fun 5354  df-fn 5355  df-f 5356  df-fv 5360  df-riota 6003  df-ov 6053  df-oprab 6054  df-mpo 6055  df-1st 6334  df-2nd 6335  df-pnf 8310  df-mnf 8311  df-xr 8312  df-ltxr 8313  df-le 8314  df-sub 8446  df-neg 8447  df-reap 8849  df-ap 8856  df-div 8947  df-inn 9238  df-2 9296  df-3 9297  df-4 9298  df-5 9299  df-6 9300  df-7 9301  df-8 9302  df-n0 9497  df-z 9578  df-q 9952  df-rp 9987  df-fl 10630

This theorem is referenced by:  2lgslem3c1  15970