Theorem gausslemma2dlem7 16309

Description: Lemma 7 for gausslemma2d 16310. (Contributed by AV, 13-Jul-2021.)

Hypotheses

Ref	Expression
gausslemma2d.p	|- ( ph -> P e. ( Prime \ { 2 } ) )
gausslemma2d.h	|- H = ( ( P - 1 ) / 2 )
gausslemma2d.r	|- R = ( x e. ( 1 ... H ) |-> if ( ( x x. 2 ) < ( P / 2 ) , ( x x. 2 ) , ( P - ( x x. 2 ) ) ) )
gausslemma2d.m	|- M = ( |_ ` ( P / 4 ) )
gausslemma2d.n	|- N = ( H - M )

Assertion

Ref	Expression
gausslemma2dlem7	|- ( ph -> ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) mod P ) = 1 )

Distinct variable groups:   x, H   x, P   ph, x   x, M

Allowed substitution hints:   R( x)   N( x)

Proof of Theorem gausslemma2dlem7

Step	Hyp	Ref	Expression
1		gausslemma2d.p	. . 3 |- ( ph -> P e. ( Prime \ { 2 } ) )
2		gausslemma2d.h	. . 3 |- H = ( ( P - 1 ) / 2 )
3		gausslemma2d.r	. . 3 |- R = ( x e. ( 1 ... H ) |-> if ( ( x x. 2 ) < ( P / 2 ) , ( x x. 2 ) , ( P - ( x x. 2 ) ) ) )
4		gausslemma2d.m	. . 3 |- M = ( |_ ` ( P / 4 ) )
5		gausslemma2d.n	. . 3 |- N = ( H - M )
6	1, 2, 3, 4, 5	gausslemma2dlem6 16308	. 2 |- ( ph -> ( ( ! ` H ) mod P ) = ( ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) x. ( ! ` H ) ) mod P ) )
7	1, 2	gausslemma2dlem0b 16291	. . . . . . . . . . 11 |- ( ph -> H e. NN )
8	7	nnnn0d 9625	. . . . . . . . . 10 |- ( ph -> H e. NN0 )
9	8	faccld 11189	. . . . . . . . 9 |- ( ph -> ( ! ` H ) e. NN )
10	9	nncnd 9321	. . . . . . . 8 |- ( ph -> ( ! ` H ) e. CC )
11	10	mullidd 8345	. . . . . . 7 |- ( ph -> ( 1 x. ( ! ` H ) ) = ( ! ` H ) )
12	11	eqcomd 2244	. . . . . 6 |- ( ph -> ( ! ` H ) = ( 1 x. ( ! ` H ) ) )
13	12	oveq1d 6100	. . . . 5 |- ( ph -> ( ( ! ` H ) mod P ) = ( ( 1 x. ( ! ` H ) ) mod P ) )
14	13	eqeq1d 2247	. . . 4 |- ( ph -> ( ( ( ! ` H ) mod P ) = ( ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) x. ( ! ` H ) ) mod P ) <-> ( ( 1 x. ( ! ` H ) ) mod P ) = ( ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) x. ( ! ` H ) ) mod P ) ) )
15		1zzd 9676	. . . . 5 |- ( ph -> 1 e. ZZ )
16		neg1z 9681	. . . . . . 7 |- -u 1 e. ZZ
17	1, 4, 2, 5	gausslemma2dlem0h 16297	. . . . . . 7 |- ( ph -> N e. NN0 )
18		zexpcl 11005	. . . . . . 7 |- ( ( -u 1 e. ZZ /\ N e. NN0 ) -> ( -u 1 ^ N ) e. ZZ )
19	16, 17, 18	sylancr 418	. . . . . 6 |- ( ph -> ( -u 1 ^ N ) e. ZZ )
20		2z 9677	. . . . . . 7 |- 2 e. ZZ
21		zexpcl 11005	. . . . . . 7 |- ( ( 2 e. ZZ /\ H e. NN0 ) -> ( 2 ^ H ) e. ZZ )
22	20, 8, 21	sylancr 418	. . . . . 6 |- ( ph -> ( 2 ^ H ) e. ZZ )
23	19, 22	zmulcld 9779	. . . . 5 |- ( ph -> ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) e. ZZ )
24	9	nnzd 9772	. . . . 5 |- ( ph -> ( ! ` H ) e. ZZ )
25	1	gausslemma2dlem0a 16290	. . . . 5 |- ( ph -> P e. NN )
26	1, 2	gausslemma2dlem0c 16292	. . . . 5 |- ( ph -> ( ( ! ` H ) gcd P ) = 1 )
27		cncongrcoprm 12902	. . . . 5 |- ( ( ( 1 e. ZZ /\ ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) e. ZZ /\ ( ! ` H ) e. ZZ ) /\ ( P e. NN /\ ( ( ! ` H ) gcd P ) = 1 ) ) -> ( ( ( 1 x. ( ! ` H ) ) mod P ) = ( ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) x. ( ! ` H ) ) mod P ) <-> ( 1 mod P ) = ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) mod P ) ) )
28	15, 23, 24, 25, 26, 27	syl32anc 1286	. . . 4 |- ( ph -> ( ( ( 1 x. ( ! ` H ) ) mod P ) = ( ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) x. ( ! ` H ) ) mod P ) <-> ( 1 mod P ) = ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) mod P ) ) )
29	14, 28	bitrd 188	. . 3 |- ( ph -> ( ( ( ! ` H ) mod P ) = ( ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) x. ( ! ` H ) ) mod P ) <-> ( 1 mod P ) = ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) mod P ) ) )
30		simpr 110	. . . . 5 |- ( ( ph /\ ( 1 mod P ) = ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) mod P ) ) -> ( 1 mod P ) = ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) mod P ) )
31		nnq 10043	. . . . . . . 8 |- ( P e. NN -> P e. QQ )
32	25, 31	syl 14	. . . . . . 7 |- ( ph -> P e. QQ )
33	1	eldifad 3231	. . . . . . . 8 |- ( ph -> P e. Prime )
34		prmgt1 12929	. . . . . . . 8 |- ( P e. Prime -> 1 < P )
35	33, 34	syl 14	. . . . . . 7 |- ( ph -> 1 < P )
36		q1mod 10807	. . . . . . 7 |- ( ( P e. QQ /\ 1 < P ) -> ( 1 mod P ) = 1 )
37	32, 35, 36	syl2anc 415	. . . . . 6 |- ( ph -> ( 1 mod P ) = 1 )
38	37	adantr 276	. . . . 5 |- ( ( ph /\ ( 1 mod P ) = ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) mod P ) ) -> ( 1 mod P ) = 1 )
39	30, 38	eqtr3d 2273	. . . 4 |- ( ( ph /\ ( 1 mod P ) = ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) mod P ) ) -> ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) mod P ) = 1 )
40	39	ex 115	. . 3 |- ( ph -> ( ( 1 mod P ) = ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) mod P ) -> ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) mod P ) = 1 ) )
41	29, 40	sylbid 150	. 2 |- ( ph -> ( ( ( ! ` H ) mod P ) = ( ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) x. ( ! ` H ) ) mod P ) -> ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) mod P ) = 1 ) )
42	6, 41	mpd 13	1 |- ( ph -> ( ( ( -u 1 ^ N ) x. ( 2 ^ H ) ) mod P ) = 1 )

This proof depends on syntax axioms:   -> wi 4   /\ wa 104   <-> wb 105   = wceq 1402   e. wcel 2209   \ cdif 3217   ifcif 3638   {csn 3709   class class class wbr 4130   |-> cmpt 4192   ` cfv 5377  (class class class)co 6085   1c1 8181   x. cmul 8185   < clt 8361   - cmin 8499   -ucneg 8500   / cdiv 9005   NNcn 9307   2c2 9358   4c4 9360   NN0cn0 9568   ZZcz 9649   QQcq 10029   ...cfz 10422   |_cfl 10714   mod cmo 10773   ^cexp 10989   !cfa 11178   gcd cgcd 12748   Primecprime 12903

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-coll 4246  ax-sep 4249  ax-nul 4259  ax-pow 4311  ax-pr 4346  ax-un 4578  ax-setind 4684  ax-iinf 4735  ax-cnex 8271  ax-resscn 8272  ax-1cn 8273  ax-1re 8274  ax-icn 8275  ax-addcl 8276  ax-addrcl 8277  ax-mulcl 8278  ax-mulrcl 8279  ax-addcom 8280  ax-mulcom 8281  ax-addass 8282  ax-mulass 8283  ax-distr 8284  ax-i2m1 8285  ax-0lt1 8286  ax-1rid 8287  ax-0id 8288  ax-rnegex 8289  ax-precex 8290  ax-cnre 8291  ax-pre-ltirr 8292  ax-pre-ltwlin 8293  ax-pre-lttrn 8294  ax-pre-apti 8295  ax-pre-ltadd 8296  ax-pre-mulgt0 8297  ax-pre-mulext 8298  ax-arch 8299  ax-caucvg 8300

This proof depends on definitions:  df-bi 117  df-stab 843  df-dc 847  df-3or 1010  df-3an 1011  df-tru 1405  df-fal 1408  df-xor 1425  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ne 2421  df-nel 2516  df-ral 2533  df-rex 2534  df-reu 2535  df-rmo 2536  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-if 3639  df-pw 3690  df-sn 3715  df-pr 3716  df-tp 3717  df-op 3718  df-uni 3936  df-int 3971  df-iun 4014  df-br 4131  df-opab 4193  df-mpt 4194  df-tr 4230  df-id 4438  df-po 4441  df-iso 4442  df-iord 4511  df-on 4513  df-ilim 4514  df-suc 4516  df-iom 4738  df-xp 4780  df-rel 4781  df-cnv 4782  df-co 4783  df-dm 4784  df-rn 4785  df-res 4786  df-ima 4787  df-iota 5337  df-fun 5379  df-fn 5380  df-f 5381  df-f1 5382  df-fo 5383  df-f1o 5384  df-fv 5385  df-isom 5386  df-riota 6038  df-ov 6088  df-oprab 6089  df-mpo 6090  df-1st 6374  df-2nd 6375  df-recs 6576  df-irdg 6641  df-frec 6662  df-1o 6687  df-2o 6688  df-oadd 6691  df-er 6807  df-en 7023  df-dom 7024  df-fin 7025  df-sup 7325  df-pnf 8363  df-mnf 8364  df-xr 8365  df-ltxr 8366  df-le 8367  df-sub 8501  df-neg 8502  df-reap 8906  df-ap 8913  df-div 9006  df-inn 9308  df-2 9366  df-3 9367  df-4 9368  df-5 9369  df-6 9370  df-n0 9569  df-z 9650  df-uz 9932  df-q 10030  df-rp 10066  df-ioo 10305  df-fz 10423  df-fzo 10561  df-fl 10716  df-mod 10774  df-seqfrec 10899  df-exp 10990  df-fac 11179  df-ihash 11230  df-cj 11622  df-re 11623  df-im 11624  df-rsqrt 11779  df-abs 11780  df-clim 12063  df-proddc 12336  df-dvds 12573  df-gcd 12749  df-prm 12904

This theorem is used by:  gausslemma2d  16310