Theorem idomrootle 27488

Description: No element of an integral domain can have more than N N-th roots. (Contributed by Stefan O'Rear, 11-Sep-2015.)

Hypotheses

Ref	Expression
idomrootle.b	|- B = ( Base ` R )
idomrootle.e	|- .^ = (.g ` (mulGrp ` R ) )

Assertion

Ref	Expression
idomrootle	|- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( # ` { y e. B | ( N .^ y ) = X } ) <_ N )

Distinct variable groups:   y, B   y, N   y, R   y, X

Allowed substitution hint:   .^ ( y)

Proof of Theorem idomrootle

Step	Hyp	Ref	Expression
1		eqid 2436	. . 3 |- (Poly1 ` R ) = (Poly1 ` R )
2		eqid 2436	. . 3 |- ( Base ` (Poly1 ` R ) ) = ( Base ` (Poly1 ` R ) )
3		eqid 2436	. . 3 |- ( deg1 ` R ) = ( deg1 ` R )
4		eqid 2436	. . 3 |- (eval1 ` R ) = (eval1 ` R )
5		eqid 2436	. . 3 |- ( 0g ` R ) = ( 0g ` R )
6		eqid 2436	. . 3 |- ( 0g ` (Poly1 ` R ) ) = ( 0g ` (Poly1 ` R ) )
7		simp1 957	. . 3 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> R e. IDomn )
8		isidom 16364	. . . . . . . . 9 |- ( R e. IDomn <-> ( R e. CRing /\ R e. Domn ) )
9	8	simplbi 447	. . . . . . . 8 |- ( R e. IDomn -> R e. CRing )
10	7, 9	syl 16	. . . . . . 7 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> R e. CRing )
11		crngrng 15674	. . . . . . 7 |- ( R e. CRing -> R e. Ring )
12	10, 11	syl 16	. . . . . 6 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> R e. Ring )
13	1	ply1rng 16642	. . . . . 6 |- ( R e. Ring -> (Poly1 ` R ) e. Ring )
14	12, 13	syl 16	. . . . 5 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> (Poly1 ` R ) e. Ring )
15		rnggrp 15669	. . . . 5 |- ( (Poly1 ` R ) e. Ring -> (Poly1 ` R ) e. Grp )
16	14, 15	syl 16	. . . 4 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> (Poly1 ` R ) e. Grp )
17		eqid 2436	. . . . . . 7 |- (mulGrp ` (Poly1 ` R ) ) = (mulGrp ` (Poly1 ` R ) )
18	17	rngmgp 15670	. . . . . 6 |- ( (Poly1 ` R ) e. Ring -> (mulGrp ` (Poly1 ` R ) ) e. Mnd )
19	14, 18	syl 16	. . . . 5 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> (mulGrp ` (Poly1 ` R ) ) e. Mnd )
20		simp3 959	. . . . 5 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> N e. NN )
21		eqid 2436	. . . . . . 7 |- (var1 ` R ) = (var1 ` R )
22	21, 1, 2	vr1cl 16611	. . . . . 6 |- ( R e. Ring -> (var1 ` R ) e. ( Base ` (Poly1 ` R ) ) )
23	12, 22	syl 16	. . . . 5 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> (var1 ` R ) e. ( Base ` (Poly1 ` R ) ) )
24	17, 2	mgpbas 15654	. . . . . 6 |- ( Base ` (Poly1 ` R ) ) = ( Base ` (mulGrp ` (Poly1 ` R ) ) )
25		eqid 2436	. . . . . 6 |- (.g ` (mulGrp ` (Poly1 ` R ) ) ) = (.g ` (mulGrp ` (Poly1 ` R ) ) )
26	24, 25	mulgnncl 14905	. . . . 5 |- ( ( (mulGrp ` (Poly1 ` R ) ) e. Mnd /\ N e. NN /\ (var1 ` R ) e. ( Base ` (Poly1 ` R ) ) ) -> ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) e. ( Base ` (Poly1 ` R ) ) )
27	19, 20, 23, 26	syl3anc 1184	. . . 4 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) e. ( Base ` (Poly1 ` R ) ) )
28		eqid 2436	. . . . . . 7 |- (algSc ` (Poly1 ` R ) ) = (algSc ` (Poly1 ` R ) )
29		idomrootle.b	. . . . . . 7 |- B = ( Base ` R )
30	1, 28, 29, 2	ply1sclf 16677	. . . . . 6 |- ( R e. Ring -> (algSc ` (Poly1 ` R ) ) : B --> ( Base ` (Poly1 ` R ) ) )
31	12, 30	syl 16	. . . . 5 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> (algSc ` (Poly1 ` R ) ) : B --> ( Base ` (Poly1 ` R ) ) )
32		simp2 958	. . . . 5 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> X e. B )
33	31, 32	ffvelrnd 5871	. . . 4 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( (algSc ` (Poly1 ` R ) ) ` X ) e. ( Base ` (Poly1 ` R ) ) )
34		eqid 2436	. . . . 5 |- ( -g ` (Poly1 ` R ) ) = ( -g ` (Poly1 ` R ) )
35	2, 34	grpsubcl 14869	. . . 4 |- ( ( (Poly1 ` R ) e. Grp /\ ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) e. ( Base ` (Poly1 ` R ) ) /\ ( (algSc ` (Poly1 ` R ) ) ` X ) e. ( Base ` (Poly1 ` R ) ) ) -> ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) e. ( Base ` (Poly1 ` R ) ) )
36	16, 27, 33, 35	syl3anc 1184	. . 3 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) e. ( Base ` (Poly1 ` R ) ) )
37	3, 1, 2	deg1xrcl 20005	. . . . . . . . . 10 |- ( ( (algSc ` (Poly1 ` R ) ) ` X ) e. ( Base ` (Poly1 ` R ) ) -> ( ( deg1 ` R ) ` ( (algSc ` (Poly1 ` R ) ) ` X ) ) e. RR* )
38	33, 37	syl 16	. . . . . . . . 9 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( ( deg1 ` R ) ` ( (algSc ` (Poly1 ` R ) ) ` X ) ) e. RR* )
39		0xr 9131	. . . . . . . . . 10 |- 0 e. RR*
40	39	a1i 11	. . . . . . . . 9 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> 0 e. RR* )
41		nnre 10007	. . . . . . . . . . 11 |- ( N e. NN -> N e. RR )
42	41	rexrd 9134	. . . . . . . . . 10 |- ( N e. NN -> N e. RR* )
43	42	3ad2ant3 980	. . . . . . . . 9 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> N e. RR* )
44	3, 1, 29, 28	deg1sclle 20035	. . . . . . . . . 10 |- ( ( R e. Ring /\ X e. B ) -> ( ( deg1 ` R ) ` ( (algSc ` (Poly1 ` R ) ) ` X ) ) <_ 0 )
45	12, 32, 44	syl2anc 643	. . . . . . . . 9 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( ( deg1 ` R ) ` ( (algSc ` (Poly1 ` R ) ) ` X ) ) <_ 0 )
46		nngt0 10029	. . . . . . . . . 10 |- ( N e. NN -> 0 < N )
47	46	3ad2ant3 980	. . . . . . . . 9 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> 0 < N )
48	38, 40, 43, 45, 47	xrlelttrd 10750	. . . . . . . 8 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( ( deg1 ` R ) ` ( (algSc ` (Poly1 ` R ) ) ` X ) ) < N )
49	8	simprbi 451	. . . . . . . . . . 11 |- ( R e. IDomn -> R e. Domn )
50		domnnzr 16355	. . . . . . . . . . 11 |- ( R e. Domn -> R e. NzRing )
51	49, 50	syl 16	. . . . . . . . . 10 |- ( R e. IDomn -> R e. NzRing )
52	7, 51	syl 16	. . . . . . . . 9 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> R e. NzRing )
53		nnnn0 10228	. . . . . . . . . 10 |- ( N e. NN -> N e. NN0 )
54	53	3ad2ant3 980	. . . . . . . . 9 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> N e. NN0 )
55	3, 1, 21, 17, 25	deg1pw 20043	. . . . . . . . 9 |- ( ( R e. NzRing /\ N e. NN0 ) -> ( ( deg1 ` R ) ` ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ) = N )
56	52, 54, 55	syl2anc 643	. . . . . . . 8 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( ( deg1 ` R ) ` ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ) = N )
57	48, 56	breqtrrd 4238	. . . . . . 7 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( ( deg1 ` R ) ` ( (algSc ` (Poly1 ` R ) ) ` X ) ) < ( ( deg1 ` R ) ` ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ) )
58	1, 3, 12, 2, 34, 27, 33, 57	deg1sub 20031	. . . . . 6 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( ( deg1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) = ( ( deg1 ` R ) ` ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ) )
59	58, 56	eqtrd 2468	. . . . 5 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( ( deg1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) = N )
60	59, 54	eqeltrd 2510	. . . 4 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( ( deg1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) e. NN0 )
61	3, 1, 6, 2	deg1nn0clb 20013	. . . . 5 |- ( ( R e. Ring /\ ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) e. ( Base ` (Poly1 ` R ) ) ) -> ( ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) =/= ( 0g ` (Poly1 ` R ) ) <-> ( ( deg1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) e. NN0 ) )
62	12, 36, 61	syl2anc 643	. . . 4 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) =/= ( 0g ` (Poly1 ` R ) ) <-> ( ( deg1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) e. NN0 ) )
63	60, 62	mpbird 224	. . 3 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) =/= ( 0g ` (Poly1 ` R ) ) )
64	1, 2, 3, 4, 5, 6, 7, 36, 63	fta1g 20090	. 2 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( # ` ( `' ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) " { ( 0g ` R ) } ) ) <_ ( ( deg1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) )
65		eqid 2436	. . . . . . 7 |- ( R ^s B ) = ( R ^s B )
66		eqid 2436	. . . . . . 7 |- ( Base ` ( R ^s B ) ) = ( Base ` ( R ^s B ) )
67		fvex 5742	. . . . . . . . 9 |- ( Base ` R ) e. _V
68	29, 67	eqeltri 2506	. . . . . . . 8 |- B e. _V
69	68	a1i 11	. . . . . . 7 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> B e. _V )
70	4, 1, 65, 29	evl1rhm 19949	. . . . . . . . . 10 |- ( R e. CRing -> (eval1 ` R ) e. ( (Poly1 ` R ) RingHom ( R ^s B ) ) )
71	10, 70	syl 16	. . . . . . . . 9 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> (eval1 ` R ) e. ( (Poly1 ` R ) RingHom ( R ^s B ) ) )
72	2, 66	rhmf 15827	. . . . . . . . 9 |- ( (eval1 ` R ) e. ( (Poly1 ` R ) RingHom ( R ^s B ) ) -> (eval1 ` R ) : ( Base ` (Poly1 ` R ) ) --> ( Base ` ( R ^s B ) ) )
73	71, 72	syl 16	. . . . . . . 8 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> (eval1 ` R ) : ( Base ` (Poly1 ` R ) ) --> ( Base ` ( R ^s B ) ) )
74	73, 36	ffvelrnd 5871	. . . . . . 7 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) e. ( Base ` ( R ^s B ) ) )
75	65, 29, 66, 7, 69, 74	pwselbas 13711	. . . . . 6 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) : B --> B )
76		ffn 5591	. . . . . 6 |- ( ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) : B --> B -> ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) Fn B )
77	75, 76	syl 16	. . . . 5 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) Fn B )
78		fniniseg2 5853	. . . . 5 |- ( ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) Fn B -> ( `' ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) " { ( 0g ` R ) } ) = { y e. B | ( ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) ` y ) = ( 0g ` R ) } )
79	77, 78	syl 16	. . . 4 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( `' ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) " { ( 0g ` R ) } ) = { y e. B | ( ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) ` y ) = ( 0g ` R ) } )
80	10	adantr 452	. . . . . . . . 9 |- ( ( ( R e. IDomn /\ X e. B /\ N e. NN ) /\ y e. B ) -> R e. CRing )
81		simpr 448	. . . . . . . . 9 |- ( ( ( R e. IDomn /\ X e. B /\ N e. NN ) /\ y e. B ) -> y e. B )
82	4, 21, 29, 1, 2, 80, 81	evl1vard 19953	. . . . . . . . . 10 |- ( ( ( R e. IDomn /\ X e. B /\ N e. NN ) /\ y e. B ) -> ( (var1 ` R ) e. ( Base ` (Poly1 ` R ) ) /\ ( ( (eval1 ` R ) ` (var1 ` R ) ) ` y ) = y ) )
83		idomrootle.e	. . . . . . . . . 10 |- .^ = (.g ` (mulGrp ` R ) )
84		simpl3 962	. . . . . . . . . . 11 |- ( ( ( R e. IDomn /\ X e. B /\ N e. NN ) /\ y e. B ) -> N e. NN )
85	84, 53	syl 16	. . . . . . . . . 10 |- ( ( ( R e. IDomn /\ X e. B /\ N e. NN ) /\ y e. B ) -> N e. NN0 )
86	4, 1, 29, 2, 80, 81, 82, 25, 83, 85	evl1expd 19958	. . . . . . . . 9 |- ( ( ( R e. IDomn /\ X e. B /\ N e. NN ) /\ y e. B ) -> ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) e. ( Base ` (Poly1 ` R ) ) /\ ( ( (eval1 ` R ) ` ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ) ` y ) = ( N .^ y ) ) )
87		simpl2 961	. . . . . . . . . 10 |- ( ( ( R e. IDomn /\ X e. B /\ N e. NN ) /\ y e. B ) -> X e. B )
88	4, 1, 29, 28, 2, 80, 87, 81	evl1scad 19951	. . . . . . . . 9 |- ( ( ( R e. IDomn /\ X e. B /\ N e. NN ) /\ y e. B ) -> ( ( (algSc ` (Poly1 ` R ) ) ` X ) e. ( Base ` (Poly1 ` R ) ) /\ ( ( (eval1 ` R ) ` ( (algSc ` (Poly1 ` R ) ) ` X ) ) ` y ) = X ) )
89		eqid 2436	. . . . . . . . 9 |- ( -g ` R ) = ( -g ` R )
90	4, 1, 29, 2, 80, 81, 86, 88, 34, 89	evl1subd 19955	. . . . . . . 8 |- ( ( ( R e. IDomn /\ X e. B /\ N e. NN ) /\ y e. B ) -> ( ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) e. ( Base ` (Poly1 ` R ) ) /\ ( ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) ` y ) = ( ( N .^ y ) ( -g ` R ) X ) ) )
91	90	simprd 450	. . . . . . 7 |- ( ( ( R e. IDomn /\ X e. B /\ N e. NN ) /\ y e. B ) -> ( ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) ` y ) = ( ( N .^ y ) ( -g ` R ) X ) )
92	91	eqeq1d 2444	. . . . . 6 |- ( ( ( R e. IDomn /\ X e. B /\ N e. NN ) /\ y e. B ) -> ( ( ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) ` y ) = ( 0g ` R ) <-> ( ( N .^ y ) ( -g ` R ) X ) = ( 0g ` R ) ) )
93		rnggrp 15669	. . . . . . . . 9 |- ( R e. Ring -> R e. Grp )
94	12, 93	syl 16	. . . . . . . 8 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> R e. Grp )
95	94	adantr 452	. . . . . . 7 |- ( ( ( R e. IDomn /\ X e. B /\ N e. NN ) /\ y e. B ) -> R e. Grp )
96		eqid 2436	. . . . . . . . . . 11 |- (mulGrp ` R ) = (mulGrp ` R )
97	96	rngmgp 15670	. . . . . . . . . 10 |- ( R e. Ring -> (mulGrp ` R ) e. Mnd )
98	12, 97	syl 16	. . . . . . . . 9 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> (mulGrp ` R ) e. Mnd )
99	98	adantr 452	. . . . . . . 8 |- ( ( ( R e. IDomn /\ X e. B /\ N e. NN ) /\ y e. B ) -> (mulGrp ` R ) e. Mnd )
100	96, 29	mgpbas 15654	. . . . . . . . 9 |- B = ( Base ` (mulGrp ` R ) )
101	100, 83	mulgnncl 14905	. . . . . . . 8 |- ( ( (mulGrp ` R ) e. Mnd /\ N e. NN /\ y e. B ) -> ( N .^ y ) e. B )
102	99, 84, 81, 101	syl3anc 1184	. . . . . . 7 |- ( ( ( R e. IDomn /\ X e. B /\ N e. NN ) /\ y e. B ) -> ( N .^ y ) e. B )
103	29, 5, 89	grpsubeq0 14875	. . . . . . 7 |- ( ( R e. Grp /\ ( N .^ y ) e. B /\ X e. B ) -> ( ( ( N .^ y ) ( -g ` R ) X ) = ( 0g ` R ) <-> ( N .^ y ) = X ) )
104	95, 102, 87, 103	syl3anc 1184	. . . . . 6 |- ( ( ( R e. IDomn /\ X e. B /\ N e. NN ) /\ y e. B ) -> ( ( ( N .^ y ) ( -g ` R ) X ) = ( 0g ` R ) <-> ( N .^ y ) = X ) )
105	92, 104	bitrd 245	. . . . 5 |- ( ( ( R e. IDomn /\ X e. B /\ N e. NN ) /\ y e. B ) -> ( ( ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) ` y ) = ( 0g ` R ) <-> ( N .^ y ) = X ) )
106	105	rabbidva 2947	. . . 4 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> { y e. B | ( ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) ` y ) = ( 0g ` R ) } = { y e. B | ( N .^ y ) = X } )
107	79, 106	eqtrd 2468	. . 3 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( `' ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) " { ( 0g ` R ) } ) = { y e. B | ( N .^ y ) = X } )
108	107	fveq2d 5732	. 2 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( # ` ( `' ( (eval1 ` R ) ` ( ( N (.g ` (mulGrp ` (Poly1 ` R ) ) ) (var1 ` R ) ) ( -g ` (Poly1 ` R ) ) ( (algSc ` (Poly1 ` R ) ) ` X ) ) ) " { ( 0g ` R ) } ) ) = ( # ` { y e. B | ( N .^ y ) = X } ) )
109	64, 108, 59	3brtr3d 4241	1 |- ( ( R e. IDomn /\ X e. B /\ N e. NN ) -> ( # ` { y e. B | ( N .^ y ) = X } ) <_ N )

Syntax hints:   -> wi 4   <-> wb 177   /\ wa 359   /\ w3a 936   = wceq 1652   e. wcel 1725   =/= wne 2599   {crab 2709   _Vcvv 2956   {csn 3814   class class class wbr 4212   `'ccnv 4877   "cima 4881   Fn wfn 5449   -->wf 5450   ` cfv 5454  (class class class)co 6081   0cc0 8990   RR*cxr 9119   < clt 9120   <_ cle 9121   NNcn 10000   NN0cn0 10221   #chash 11618   Basecbs 13469   ^_s cpws 13670   0gc0g 13723   Mndcmnd 14684   Grpcgrp 14685   -gcsg 14688  ._gcmg 14689  mulGrpcmgp 15648   Ringcrg 15660   CRingccrg 15661   RingHom crh 15817  NzRingcnzr 16328  Domncdomn 16340  IDomncidom 16341  algSccascl 16371  var₁cv1 16570  Poly₁cpl1 16571  eval₁ce1 16573   deg₁ cdg1 19977

This theorem is referenced by:  idomodle  27489

This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1555  ax-5 1566  ax-17 1626  ax-9 1666  ax-8 1687  ax-13 1727  ax-14 1729  ax-6 1744  ax-7 1749  ax-11 1761  ax-12 1950  ax-ext 2417  ax-rep 4320  ax-sep 4330  ax-nul 4338  ax-pow 4377  ax-pr 4403  ax-un 4701  ax-inf2 7596  ax-cnex 9046  ax-resscn 9047  ax-1cn 9048  ax-icn 9049  ax-addcl 9050  ax-addrcl 9051  ax-mulcl 9052  ax-mulrcl 9053  ax-mulcom 9054  ax-addass 9055  ax-mulass 9056  ax-distr 9057  ax-i2m1 9058  ax-1ne0 9059  ax-1rid 9060  ax-rnegex 9061  ax-rrecex 9062  ax-cnre 9063  ax-pre-lttri 9064  ax-pre-lttrn 9065  ax-pre-ltadd 9066  ax-pre-mulgt0 9067  ax-pre-sup 9068  ax-addf 9069  ax-mulf 9070

This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3or 937  df-3an 938  df-tru 1328  df-ex 1551  df-nf 1554  df-sb 1659  df-eu 2285  df-mo 2286  df-clab 2423  df-cleq 2429  df-clel 2432  df-nfc 2561  df-ne 2601  df-nel 2602  df-ral 2710  df-rex 2711  df-reu 2712  df-rmo 2713  df-rab 2714  df-v 2958  df-sbc 3162  df-csb 3252  df-dif 3323  df-un 3325  df-in 3327  df-ss 3334  df-pss 3336  df-nul 3629  df-if 3740  df-pw 3801  df-sn 3820  df-pr 3821  df-tp 3822  df-op 3823  df-uni 4016  df-int 4051  df-iun 4095  df-iin 4096  df-br 4213  df-opab 4267  df-mpt 4268  df-tr 4303  df-eprel 4494  df-id 4498  df-po 4503  df-so 4504  df-fr 4541  df-se 4542  df-we 4543  df-ord 4584  df-on 4585  df-lim 4586  df-suc 4587  df-om 4846  df-xp 4884  df-rel 4885  df-cnv 4886  df-co 4887  df-dm 4888  df-rn 4889  df-res 4890  df-ima 4891  df-iota 5418  df-fun 5456  df-fn 5457  df-f 5458  df-f1 5459  df-fo 5460  df-f1o 5461  df-fv 5462  df-isom 5463  df-ov 6084  df-oprab 6085  df-mpt2 6086  df-of 6305  df-ofr 6306  df-1st 6349  df-2nd 6350  df-tpos 6479  df-riota 6549  df-recs 6633  df-rdg 6668  df-1o 6724  df-2o 6725  df-oadd 6728  df-er 6905  df-map 7020  df-pm 7021  df-ixp 7064  df-en 7110  df-dom 7111  df-sdom 7112  df-fin 7113  df-sup 7446  df-oi 7479  df-card 7826  df-cda 8048  df-pnf 9122  df-mnf 9123  df-xr 9124  df-ltxr 9125  df-le 9126  df-sub 9293  df-neg 9294  df-nn 10001  df-2 10058  df-3 10059  df-4 10060  df-5 10061  df-6 10062  df-7 10063  df-8 10064  df-9 10065  df-10 10066  df-n0 10222  df-z 10283  df-dec 10383  df-uz 10489  df-fz 11044  df-fzo 11136  df-seq 11324  df-hash 11619  df-struct 13471  df-ndx 13472  df-slot 13473  df-base 13474  df-sets 13475  df-ress 13476  df-plusg 13542  df-mulr 13543  df-starv 13544  df-sca 13545  df-vsca 13546  df-tset 13548  df-ple 13549  df-ds 13551  df-unif 13552  df-hom 13553  df-cco 13554  df-prds 13671  df-pws 13673  df-0g 13727  df-gsum 13728  df-mre 13811  df-mrc 13812  df-acs 13814  df-mnd 14690  df-mhm 14738  df-submnd 14739  df-grp 14812  df-minusg 14813  df-sbg 14814  df-mulg 14815  df-subg 14941  df-ghm 15004  df-cntz 15116  df-cmn 15414  df-abl 15415  df-mgp 15649  df-rng 15663  df-cring 15664  df-ur 15665  df-oppr 15728  df-dvdsr 15746  df-unit 15747  df-invr 15777  df-rnghom 15819  df-subrg 15866  df-lmod 15952  df-lss 16009  df-lsp 16048  df-nzr 16329  df-rlreg 16343  df-domn 16344  df-idom 16345  df-assa 16372  df-asp 16373  df-ascl 16374  df-psr 16417  df-mvr 16418  df-mpl 16419  df-evls 16420  df-evl 16421  df-opsr 16425  df-psr1 16576  df-vr1 16577  df-ply1 16578  df-evl1 16580  df-coe1 16581  df-cnfld 16704  df-mdeg 19978  df-deg1 19979  df-mon1 20053  df-uc1p 20054  df-q1p 20055  df-r1p 20056