Theorem plyco 21712

Description: The composition of two polynomials is a polynomial. (Contributed by Mario Carneiro, 23-Jul-2014.) (Revised by Mario Carneiro, 23-Aug-2014.)

Hypotheses

Ref	Expression
plyco.1	|- ( ph -> F e. (Poly ` S ) )
plyco.2	|- ( ph -> G e. (Poly ` S ) )
plyco.3	|- ( ( ph /\ ( x e. S /\ y e. S ) ) -> ( x + y ) e. S )
plyco.4	|- ( ( ph /\ ( x e. S /\ y e. S ) ) -> ( x x. y ) e. S )

Assertion

Ref	Expression
plyco	|- ( ph -> ( F o. G ) e. (Poly ` S ) )

Distinct variable groups:   x, y, F   x, G, y   ph, x, y   x, S, y

Proof of Theorem plyco

Dummy variables k d z are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		plyco.2	. . . . 5 |- ( ph -> G e. (Poly ` S ) )
2		plyf 21669	. . . . 5 |- ( G e. (Poly ` S ) -> G : CC --> CC )
3	1, 2	syl 16	. . . 4 |- ( ph -> G : CC --> CC )
4	3	ffvelrnda 5846	. . 3 |- ( ( ph /\ z e. CC ) -> ( G ` z ) e. CC )
5	3	feqmptd 5747	. . 3 |- ( ph -> G = ( z e. CC |-> ( G ` z ) ) )
6		plyco.1	. . . 4 |- ( ph -> F e. (Poly ` S ) )
7		eqid 2443	. . . . 5 |- (coeff ` F ) = (coeff ` F )
8		eqid 2443	. . . . 5 |- (deg ` F ) = (deg ` F )
9	7, 8	coeid 21709	. . . 4 |- ( F e. (Poly ` S ) -> F = ( x e. CC |-> sum_ k e. ( 0 ... (deg ` F ) ) ( ( (coeff ` F ) ` k ) x. ( x ^ k ) ) ) )
10	6, 9	syl 16	. . 3 |- ( ph -> F = ( x e. CC |-> sum_ k e. ( 0 ... (deg ` F ) ) ( ( (coeff ` F ) ` k ) x. ( x ^ k ) ) ) )
11		oveq1 6101	. . . . 5 |- ( x = ( G ` z ) -> ( x ^ k ) = ( ( G ` z ) ^ k ) )
12	11	oveq2d 6110	. . . 4 |- ( x = ( G ` z ) -> ( ( (coeff ` F ) ` k ) x. ( x ^ k ) ) = ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) )
13	12	sumeq2sdv 13184	. . 3 |- ( x = ( G ` z ) -> sum_ k e. ( 0 ... (deg ` F ) ) ( ( (coeff ` F ) ` k ) x. ( x ^ k ) ) = sum_ k e. ( 0 ... (deg ` F ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) )
14	4, 5, 10, 13	fmptco 5879	. 2 |- ( ph -> ( F o. G ) = ( z e. CC |-> sum_ k e. ( 0 ... (deg ` F ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) )
15		dgrcl 21704	. . . 4 |- ( F e. (Poly ` S ) -> (deg ` F ) e. NN0 )
16	6, 15	syl 16	. . 3 |- ( ph -> (deg ` F ) e. NN0 )
17		oveq2 6102	. . . . . . . 8 |- ( x = 0 -> ( 0 ... x ) = ( 0 ... 0 ) )
18	17	sumeq1d 13181	. . . . . . 7 |- ( x = 0 -> sum_ k e. ( 0 ... x ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) = sum_ k e. ( 0 ... 0 ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) )
19	18	mpteq2dv 4382	. . . . . 6 |- ( x = 0 -> ( z e. CC |-> sum_ k e. ( 0 ... x ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) = ( z e. CC |-> sum_ k e. ( 0 ... 0 ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) )
20	19	eleq1d 2509	. . . . 5 |- ( x = 0 -> ( ( z e. CC |-> sum_ k e. ( 0 ... x ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) <-> ( z e. CC |-> sum_ k e. ( 0 ... 0 ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) )
21	20	imbi2d 316	. . . 4 |- ( x = 0 -> ( ( ph -> ( z e. CC |-> sum_ k e. ( 0 ... x ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) <-> ( ph -> ( z e. CC |-> sum_ k e. ( 0 ... 0 ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) ) )
22		oveq2 6102	. . . . . . . 8 |- ( x = d -> ( 0 ... x ) = ( 0 ... d ) )
23	22	sumeq1d 13181	. . . . . . 7 |- ( x = d -> sum_ k e. ( 0 ... x ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) = sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) )
24	23	mpteq2dv 4382	. . . . . 6 |- ( x = d -> ( z e. CC |-> sum_ k e. ( 0 ... x ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) = ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) )
25	24	eleq1d 2509	. . . . 5 |- ( x = d -> ( ( z e. CC |-> sum_ k e. ( 0 ... x ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) <-> ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) )
26	25	imbi2d 316	. . . 4 |- ( x = d -> ( ( ph -> ( z e. CC |-> sum_ k e. ( 0 ... x ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) <-> ( ph -> ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) ) )
27		oveq2 6102	. . . . . . . 8 |- ( x = ( d + 1 ) -> ( 0 ... x ) = ( 0 ... ( d + 1 ) ) )
28	27	sumeq1d 13181	. . . . . . 7 |- ( x = ( d + 1 ) -> sum_ k e. ( 0 ... x ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) = sum_ k e. ( 0 ... ( d + 1 ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) )
29	28	mpteq2dv 4382	. . . . . 6 |- ( x = ( d + 1 ) -> ( z e. CC |-> sum_ k e. ( 0 ... x ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) = ( z e. CC |-> sum_ k e. ( 0 ... ( d + 1 ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) )
30	29	eleq1d 2509	. . . . 5 |- ( x = ( d + 1 ) -> ( ( z e. CC |-> sum_ k e. ( 0 ... x ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) <-> ( z e. CC |-> sum_ k e. ( 0 ... ( d + 1 ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) )
31	30	imbi2d 316	. . . 4 |- ( x = ( d + 1 ) -> ( ( ph -> ( z e. CC |-> sum_ k e. ( 0 ... x ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) <-> ( ph -> ( z e. CC |-> sum_ k e. ( 0 ... ( d + 1 ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) ) )
32		oveq2 6102	. . . . . . . 8 |- ( x = (deg ` F ) -> ( 0 ... x ) = ( 0 ... (deg ` F ) ) )
33	32	sumeq1d 13181	. . . . . . 7 |- ( x = (deg ` F ) -> sum_ k e. ( 0 ... x ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) = sum_ k e. ( 0 ... (deg ` F ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) )
34	33	mpteq2dv 4382	. . . . . 6 |- ( x = (deg ` F ) -> ( z e. CC |-> sum_ k e. ( 0 ... x ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) = ( z e. CC |-> sum_ k e. ( 0 ... (deg ` F ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) )
35	34	eleq1d 2509	. . . . 5 |- ( x = (deg ` F ) -> ( ( z e. CC |-> sum_ k e. ( 0 ... x ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) <-> ( z e. CC |-> sum_ k e. ( 0 ... (deg ` F ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) )
36	35	imbi2d 316	. . . 4 |- ( x = (deg ` F ) -> ( ( ph -> ( z e. CC |-> sum_ k e. ( 0 ... x ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) <-> ( ph -> ( z e. CC |-> sum_ k e. ( 0 ... (deg ` F ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) ) )
37		0z 10660	. . . . . . . . 9 |- 0 e. ZZ
38	4	exp0d 12005	. . . . . . . . . . . 12 |- ( ( ph /\ z e. CC ) -> ( ( G ` z ) ^ 0 ) = 1 )
39	38	oveq2d 6110	. . . . . . . . . . 11 |- ( ( ph /\ z e. CC ) -> ( ( (coeff ` F ) ` 0 ) x. ( ( G ` z ) ^ 0 ) ) = ( ( (coeff ` F ) ` 0 ) x. 1 ) )
40		plybss 21665	. . . . . . . . . . . . . . . 16 |- ( F e. (Poly ` S ) -> S C_ CC )
41	6, 40	syl 16	. . . . . . . . . . . . . . 15 |- ( ph -> S C_ CC )
42		0cnd 9382	. . . . . . . . . . . . . . . 16 |- ( ph -> 0 e. CC )
43	42	snssd 4021	. . . . . . . . . . . . . . 15 |- ( ph -> { 0 } C_ CC )
44	41, 43	unssd 3535	. . . . . . . . . . . . . 14 |- ( ph -> ( S u. { 0 } ) C_ CC )
45	7	coef 21701	. . . . . . . . . . . . . . . 16 |- ( F e. (Poly ` S ) -> (coeff ` F ) : NN0 --> ( S u. { 0 } ) )
46	6, 45	syl 16	. . . . . . . . . . . . . . 15 |- ( ph -> (coeff ` F ) : NN0 --> ( S u. { 0 } ) )
47		0nn0 10597	. . . . . . . . . . . . . . 15 |- 0 e. NN0
48		ffvelrn 5844	. . . . . . . . . . . . . . 15 |- ( ( (coeff ` F ) : NN0 --> ( S u. { 0 } ) /\ 0 e. NN0 ) -> ( (coeff ` F ) ` 0 ) e. ( S u. { 0 } ) )
49	46, 47, 48	sylancl 662	. . . . . . . . . . . . . 14 |- ( ph -> ( (coeff ` F ) ` 0 ) e. ( S u. { 0 } ) )
50	44, 49	sseldd 3360	. . . . . . . . . . . . 13 |- ( ph -> ( (coeff ` F ) ` 0 ) e. CC )
51	50	adantr 465	. . . . . . . . . . . 12 |- ( ( ph /\ z e. CC ) -> ( (coeff ` F ) ` 0 ) e. CC )
52	51	mulid1d 9406	. . . . . . . . . . 11 |- ( ( ph /\ z e. CC ) -> ( ( (coeff ` F ) ` 0 ) x. 1 ) = ( (coeff ` F ) ` 0 ) )
53	39, 52	eqtrd 2475	. . . . . . . . . 10 |- ( ( ph /\ z e. CC ) -> ( ( (coeff ` F ) ` 0 ) x. ( ( G ` z ) ^ 0 ) ) = ( (coeff ` F ) ` 0 ) )
54	53, 51	eqeltrd 2517	. . . . . . . . 9 |- ( ( ph /\ z e. CC ) -> ( ( (coeff ` F ) ` 0 ) x. ( ( G ` z ) ^ 0 ) ) e. CC )
55		fveq2 5694	. . . . . . . . . . 11 |- ( k = 0 -> ( (coeff ` F ) ` k ) = ( (coeff ` F ) ` 0 ) )
56		oveq2 6102	. . . . . . . . . . 11 |- ( k = 0 -> ( ( G ` z ) ^ k ) = ( ( G ` z ) ^ 0 ) )
57	55, 56	oveq12d 6112	. . . . . . . . . 10 |- ( k = 0 -> ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) = ( ( (coeff ` F ) ` 0 ) x. ( ( G ` z ) ^ 0 ) ) )
58	57	fsum1 13221	. . . . . . . . 9 |- ( ( 0 e. ZZ /\ ( ( (coeff ` F ) ` 0 ) x. ( ( G ` z ) ^ 0 ) ) e. CC ) -> sum_ k e. ( 0 ... 0 ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) = ( ( (coeff ` F ) ` 0 ) x. ( ( G ` z ) ^ 0 ) ) )
59	37, 54, 58	sylancr 663	. . . . . . . 8 |- ( ( ph /\ z e. CC ) -> sum_ k e. ( 0 ... 0 ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) = ( ( (coeff ` F ) ` 0 ) x. ( ( G ` z ) ^ 0 ) ) )
60	59, 53	eqtrd 2475	. . . . . . 7 |- ( ( ph /\ z e. CC ) -> sum_ k e. ( 0 ... 0 ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) = ( (coeff ` F ) ` 0 ) )
61	60	mpteq2dva 4381	. . . . . 6 |- ( ph -> ( z e. CC |-> sum_ k e. ( 0 ... 0 ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) = ( z e. CC |-> ( (coeff ` F ) ` 0 ) ) )
62		fconstmpt 4885	. . . . . 6 |- ( CC X. { ( (coeff ` F ) ` 0 ) } ) = ( z e. CC |-> ( (coeff ` F ) ` 0 ) )
63	61, 62	syl6eqr 2493	. . . . 5 |- ( ph -> ( z e. CC |-> sum_ k e. ( 0 ... 0 ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) = ( CC X. { ( (coeff ` F ) ` 0 ) } ) )
64		plyconst 21677	. . . . . . 7 |- ( ( ( S u. { 0 } ) C_ CC /\ ( (coeff ` F ) ` 0 ) e. ( S u. { 0 } ) ) -> ( CC X. { ( (coeff ` F ) ` 0 ) } ) e. (Poly ` ( S u. { 0 } ) ) )
65	44, 49, 64	syl2anc 661	. . . . . 6 |- ( ph -> ( CC X. { ( (coeff ` F ) ` 0 ) } ) e. (Poly ` ( S u. { 0 } ) ) )
66		plyun0 21668	. . . . . 6 |- (Poly ` ( S u. { 0 } ) ) = (Poly ` S )
67	65, 66	syl6eleq 2533	. . . . 5 |- ( ph -> ( CC X. { ( (coeff ` F ) ` 0 ) } ) e. (Poly ` S ) )
68	63, 67	eqeltrd 2517	. . . 4 |- ( ph -> ( z e. CC |-> sum_ k e. ( 0 ... 0 ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) )
69		simprr 756	. . . . . . . . 9 |- ( ( ph /\ ( d e. NN0 /\ ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) ) -> ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) )
70	44	adantr 465	. . . . . . . . . . . . 13 |- ( ( ph /\ d e. NN0 ) -> ( S u. { 0 } ) C_ CC )
71		peano2nn0 10623	. . . . . . . . . . . . . 14 |- ( d e. NN0 -> ( d + 1 ) e. NN0 )
72		ffvelrn 5844	. . . . . . . . . . . . . 14 |- ( ( (coeff ` F ) : NN0 --> ( S u. { 0 } ) /\ ( d + 1 ) e. NN0 ) -> ( (coeff ` F ) ` ( d + 1 ) ) e. ( S u. { 0 } ) )
73	46, 71, 72	syl2an 477	. . . . . . . . . . . . 13 |- ( ( ph /\ d e. NN0 ) -> ( (coeff ` F ) ` ( d + 1 ) ) e. ( S u. { 0 } ) )
74		plyconst 21677	. . . . . . . . . . . . 13 |- ( ( ( S u. { 0 } ) C_ CC /\ ( (coeff ` F ) ` ( d + 1 ) ) e. ( S u. { 0 } ) ) -> ( CC X. { ( (coeff ` F ) ` ( d + 1 ) ) } ) e. (Poly ` ( S u. { 0 } ) ) )
75	70, 73, 74	syl2anc 661	. . . . . . . . . . . 12 |- ( ( ph /\ d e. NN0 ) -> ( CC X. { ( (coeff ` F ) ` ( d + 1 ) ) } ) e. (Poly ` ( S u. { 0 } ) ) )
76	75, 66	syl6eleq 2533	. . . . . . . . . . 11 |- ( ( ph /\ d e. NN0 ) -> ( CC X. { ( (coeff ` F ) ` ( d + 1 ) ) } ) e. (Poly ` S ) )
77		nn0p1nn 10622	. . . . . . . . . . . . 13 |- ( d e. NN0 -> ( d + 1 ) e. NN )
78		oveq2 6102	. . . . . . . . . . . . . . . . 17 |- ( x = 1 -> ( ( G ` z ) ^ x ) = ( ( G ` z ) ^ 1 ) )
79	78	mpteq2dv 4382	. . . . . . . . . . . . . . . 16 |- ( x = 1 -> ( z e. CC |-> ( ( G ` z ) ^ x ) ) = ( z e. CC |-> ( ( G ` z ) ^ 1 ) ) )
80	79	eleq1d 2509	. . . . . . . . . . . . . . 15 |- ( x = 1 -> ( ( z e. CC |-> ( ( G ` z ) ^ x ) ) e. (Poly ` S ) <-> ( z e. CC |-> ( ( G ` z ) ^ 1 ) ) e. (Poly ` S ) ) )
81	80	imbi2d 316	. . . . . . . . . . . . . 14 |- ( x = 1 -> ( ( ph -> ( z e. CC |-> ( ( G ` z ) ^ x ) ) e. (Poly ` S ) ) <-> ( ph -> ( z e. CC |-> ( ( G ` z ) ^ 1 ) ) e. (Poly ` S ) ) ) )
82		oveq2 6102	. . . . . . . . . . . . . . . . 17 |- ( x = d -> ( ( G ` z ) ^ x ) = ( ( G ` z ) ^ d ) )
83	82	mpteq2dv 4382	. . . . . . . . . . . . . . . 16 |- ( x = d -> ( z e. CC |-> ( ( G ` z ) ^ x ) ) = ( z e. CC |-> ( ( G ` z ) ^ d ) ) )
84	83	eleq1d 2509	. . . . . . . . . . . . . . 15 |- ( x = d -> ( ( z e. CC |-> ( ( G ` z ) ^ x ) ) e. (Poly ` S ) <-> ( z e. CC |-> ( ( G ` z ) ^ d ) ) e. (Poly ` S ) ) )
85	84	imbi2d 316	. . . . . . . . . . . . . 14 |- ( x = d -> ( ( ph -> ( z e. CC |-> ( ( G ` z ) ^ x ) ) e. (Poly ` S ) ) <-> ( ph -> ( z e. CC |-> ( ( G ` z ) ^ d ) ) e. (Poly ` S ) ) ) )
86		oveq2 6102	. . . . . . . . . . . . . . . . 17 |- ( x = ( d + 1 ) -> ( ( G ` z ) ^ x ) = ( ( G ` z ) ^ ( d + 1 ) ) )
87	86	mpteq2dv 4382	. . . . . . . . . . . . . . . 16 |- ( x = ( d + 1 ) -> ( z e. CC |-> ( ( G ` z ) ^ x ) ) = ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) )
88	87	eleq1d 2509	. . . . . . . . . . . . . . 15 |- ( x = ( d + 1 ) -> ( ( z e. CC |-> ( ( G ` z ) ^ x ) ) e. (Poly ` S ) <-> ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) e. (Poly ` S ) ) )
89	88	imbi2d 316	. . . . . . . . . . . . . 14 |- ( x = ( d + 1 ) -> ( ( ph -> ( z e. CC |-> ( ( G ` z ) ^ x ) ) e. (Poly ` S ) ) <-> ( ph -> ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) e. (Poly ` S ) ) ) )
90	4	exp1d 12006	. . . . . . . . . . . . . . . . 17 |- ( ( ph /\ z e. CC ) -> ( ( G ` z ) ^ 1 ) = ( G ` z ) )
91	90	mpteq2dva 4381	. . . . . . . . . . . . . . . 16 |- ( ph -> ( z e. CC |-> ( ( G ` z ) ^ 1 ) ) = ( z e. CC |-> ( G ` z ) ) )
92	91, 5	eqtr4d 2478	. . . . . . . . . . . . . . 15 |- ( ph -> ( z e. CC |-> ( ( G ` z ) ^ 1 ) ) = G )
93	92, 1	eqeltrd 2517	. . . . . . . . . . . . . 14 |- ( ph -> ( z e. CC |-> ( ( G ` z ) ^ 1 ) ) e. (Poly ` S ) )
94		simprr 756	. . . . . . . . . . . . . . . . . . 19 |- ( ( ph /\ ( d e. NN /\ ( z e. CC |-> ( ( G ` z ) ^ d ) ) e. (Poly ` S ) ) ) -> ( z e. CC |-> ( ( G ` z ) ^ d ) ) e. (Poly ` S ) )
95	1	adantr 465	. . . . . . . . . . . . . . . . . . 19 |- ( ( ph /\ ( d e. NN /\ ( z e. CC |-> ( ( G ` z ) ^ d ) ) e. (Poly ` S ) ) ) -> G e. (Poly ` S ) )
96		plyco.3	. . . . . . . . . . . . . . . . . . . 20 |- ( ( ph /\ ( x e. S /\ y e. S ) ) -> ( x + y ) e. S )
97	96	adantlr 714	. . . . . . . . . . . . . . . . . . 19 |- ( ( ( ph /\ ( d e. NN /\ ( z e. CC |-> ( ( G ` z ) ^ d ) ) e. (Poly ` S ) ) ) /\ ( x e. S /\ y e. S ) ) -> ( x + y ) e. S )
98		plyco.4	. . . . . . . . . . . . . . . . . . . 20 |- ( ( ph /\ ( x e. S /\ y e. S ) ) -> ( x x. y ) e. S )
99	98	adantlr 714	. . . . . . . . . . . . . . . . . . 19 |- ( ( ( ph /\ ( d e. NN /\ ( z e. CC |-> ( ( G ` z ) ^ d ) ) e. (Poly ` S ) ) ) /\ ( x e. S /\ y e. S ) ) -> ( x x. y ) e. S )
100	94, 95, 97, 99	plymul 21689	. . . . . . . . . . . . . . . . . 18 |- ( ( ph /\ ( d e. NN /\ ( z e. CC |-> ( ( G ` z ) ^ d ) ) e. (Poly ` S ) ) ) -> ( ( z e. CC |-> ( ( G ` z ) ^ d ) ) oF x. G ) e. (Poly ` S ) )
101	100	expr 615	. . . . . . . . . . . . . . . . 17 |- ( ( ph /\ d e. NN ) -> ( ( z e. CC |-> ( ( G ` z ) ^ d ) ) e. (Poly ` S ) -> ( ( z e. CC |-> ( ( G ` z ) ^ d ) ) oF x. G ) e. (Poly ` S ) ) )
102		cnex 9366	. . . . . . . . . . . . . . . . . . . . 21 |- CC e. _V
103	102	a1i 11	. . . . . . . . . . . . . . . . . . . 20 |- ( ( ph /\ d e. NN ) -> CC e. _V )
104		ovex 6119	. . . . . . . . . . . . . . . . . . . . 21 |- ( ( G ` z ) ^ d ) e. _V
105	104	a1i 11	. . . . . . . . . . . . . . . . . . . 20 |- ( ( ( ph /\ d e. NN ) /\ z e. CC ) -> ( ( G ` z ) ^ d ) e. _V )
106	4	adantlr 714	. . . . . . . . . . . . . . . . . . . 20 |- ( ( ( ph /\ d e. NN ) /\ z e. CC ) -> ( G ` z ) e. CC )
107		eqidd 2444	. . . . . . . . . . . . . . . . . . . 20 |- ( ( ph /\ d e. NN ) -> ( z e. CC |-> ( ( G ` z ) ^ d ) ) = ( z e. CC |-> ( ( G ` z ) ^ d ) ) )
108	5	adantr 465	. . . . . . . . . . . . . . . . . . . 20 |- ( ( ph /\ d e. NN ) -> G = ( z e. CC |-> ( G ` z ) ) )
109	103, 105, 106, 107, 108	offval2 6339	. . . . . . . . . . . . . . . . . . 19 |- ( ( ph /\ d e. NN ) -> ( ( z e. CC |-> ( ( G ` z ) ^ d ) ) oF x. G ) = ( z e. CC |-> ( ( ( G ` z ) ^ d ) x. ( G ` z ) ) ) )
110		nnnn0 10589	. . . . . . . . . . . . . . . . . . . . . 22 |- ( d e. NN -> d e. NN0 )
111	110	ad2antlr 726	. . . . . . . . . . . . . . . . . . . . 21 |- ( ( ( ph /\ d e. NN ) /\ z e. CC ) -> d e. NN0 )
112	106, 111	expp1d 12012	. . . . . . . . . . . . . . . . . . . 20 |- ( ( ( ph /\ d e. NN ) /\ z e. CC ) -> ( ( G ` z ) ^ ( d + 1 ) ) = ( ( ( G ` z ) ^ d ) x. ( G ` z ) ) )
113	112	mpteq2dva 4381	. . . . . . . . . . . . . . . . . . 19 |- ( ( ph /\ d e. NN ) -> ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) = ( z e. CC |-> ( ( ( G ` z ) ^ d ) x. ( G ` z ) ) ) )
114	109, 113	eqtr4d 2478	. . . . . . . . . . . . . . . . . 18 |- ( ( ph /\ d e. NN ) -> ( ( z e. CC |-> ( ( G ` z ) ^ d ) ) oF x. G ) = ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) )
115	114	eleq1d 2509	. . . . . . . . . . . . . . . . 17 |- ( ( ph /\ d e. NN ) -> ( ( ( z e. CC |-> ( ( G ` z ) ^ d ) ) oF x. G ) e. (Poly ` S ) <-> ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) e. (Poly ` S ) ) )
116	101, 115	sylibd 214	. . . . . . . . . . . . . . . 16 |- ( ( ph /\ d e. NN ) -> ( ( z e. CC |-> ( ( G ` z ) ^ d ) ) e. (Poly ` S ) -> ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) e. (Poly ` S ) ) )
117	116	expcom 435	. . . . . . . . . . . . . . 15 |- ( d e. NN -> ( ph -> ( ( z e. CC |-> ( ( G ` z ) ^ d ) ) e. (Poly ` S ) -> ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) e. (Poly ` S ) ) ) )
118	117	a2d 26	. . . . . . . . . . . . . 14 |- ( d e. NN -> ( ( ph -> ( z e. CC |-> ( ( G ` z ) ^ d ) ) e. (Poly ` S ) ) -> ( ph -> ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) e. (Poly ` S ) ) ) )
119	81, 85, 89, 89, 93, 118	nnind 10343	. . . . . . . . . . . . 13 |- ( ( d + 1 ) e. NN -> ( ph -> ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) e. (Poly ` S ) ) )
120	77, 119	syl 16	. . . . . . . . . . . 12 |- ( d e. NN0 -> ( ph -> ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) e. (Poly ` S ) ) )
121	120	impcom 430	. . . . . . . . . . 11 |- ( ( ph /\ d e. NN0 ) -> ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) e. (Poly ` S ) )
122	96	adantlr 714	. . . . . . . . . . 11 |- ( ( ( ph /\ d e. NN0 ) /\ ( x e. S /\ y e. S ) ) -> ( x + y ) e. S )
123	98	adantlr 714	. . . . . . . . . . 11 |- ( ( ( ph /\ d e. NN0 ) /\ ( x e. S /\ y e. S ) ) -> ( x x. y ) e. S )
124	76, 121, 122, 123	plymul 21689	. . . . . . . . . 10 |- ( ( ph /\ d e. NN0 ) -> ( ( CC X. { ( (coeff ` F ) ` ( d + 1 ) ) } ) oF x. ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) ) e. (Poly ` S ) )
125	124	adantrr 716	. . . . . . . . 9 |- ( ( ph /\ ( d e. NN0 /\ ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) ) -> ( ( CC X. { ( (coeff ` F ) ` ( d + 1 ) ) } ) oF x. ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) ) e. (Poly ` S ) )
126	96	adantlr 714	. . . . . . . . 9 |- ( ( ( ph /\ ( d e. NN0 /\ ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) ) /\ ( x e. S /\ y e. S ) ) -> ( x + y ) e. S )
127	69, 125, 126	plyadd 21688	. . . . . . . 8 |- ( ( ph /\ ( d e. NN0 /\ ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) ) -> ( ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) oF + ( ( CC X. { ( (coeff ` F ) ` ( d + 1 ) ) } ) oF x. ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) ) ) e. (Poly ` S ) )
128	127	expr 615	. . . . . . 7 |- ( ( ph /\ d e. NN0 ) -> ( ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) -> ( ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) oF + ( ( CC X. { ( (coeff ` F ) ` ( d + 1 ) ) } ) oF x. ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) ) ) e. (Poly ` S ) ) )
129	102	a1i 11	. . . . . . . . . 10 |- ( ( ph /\ d e. NN0 ) -> CC e. _V )
130		sumex 13168	. . . . . . . . . . 11 |- sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) e. _V
131	130	a1i 11	. . . . . . . . . 10 |- ( ( ( ph /\ d e. NN0 ) /\ z e. CC ) -> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) e. _V )
132		ovex 6119	. . . . . . . . . . 11 |- ( ( (coeff ` F ) ` ( d + 1 ) ) x. ( ( G ` z ) ^ ( d + 1 ) ) ) e. _V
133	132	a1i 11	. . . . . . . . . 10 |- ( ( ( ph /\ d e. NN0 ) /\ z e. CC ) -> ( ( (coeff ` F ) ` ( d + 1 ) ) x. ( ( G ` z ) ^ ( d + 1 ) ) ) e. _V )
134		eqidd 2444	. . . . . . . . . 10 |- ( ( ph /\ d e. NN0 ) -> ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) = ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) )
135		fvex 5704	. . . . . . . . . . . 12 |- ( (coeff ` F ) ` ( d + 1 ) ) e. _V
136	135	a1i 11	. . . . . . . . . . 11 |- ( ( ( ph /\ d e. NN0 ) /\ z e. CC ) -> ( (coeff ` F ) ` ( d + 1 ) ) e. _V )
137		ovex 6119	. . . . . . . . . . . 12 |- ( ( G ` z ) ^ ( d + 1 ) ) e. _V
138	137	a1i 11	. . . . . . . . . . 11 |- ( ( ( ph /\ d e. NN0 ) /\ z e. CC ) -> ( ( G ` z ) ^ ( d + 1 ) ) e. _V )
139		fconstmpt 4885	. . . . . . . . . . . 12 |- ( CC X. { ( (coeff ` F ) ` ( d + 1 ) ) } ) = ( z e. CC |-> ( (coeff ` F ) ` ( d + 1 ) ) )
140	139	a1i 11	. . . . . . . . . . 11 |- ( ( ph /\ d e. NN0 ) -> ( CC X. { ( (coeff ` F ) ` ( d + 1 ) ) } ) = ( z e. CC |-> ( (coeff ` F ) ` ( d + 1 ) ) ) )
141		eqidd 2444	. . . . . . . . . . 11 |- ( ( ph /\ d e. NN0 ) -> ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) = ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) )
142	129, 136, 138, 140, 141	offval2 6339	. . . . . . . . . 10 |- ( ( ph /\ d e. NN0 ) -> ( ( CC X. { ( (coeff ` F ) ` ( d + 1 ) ) } ) oF x. ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) ) = ( z e. CC |-> ( ( (coeff ` F ) ` ( d + 1 ) ) x. ( ( G ` z ) ^ ( d + 1 ) ) ) ) )
143	129, 131, 133, 134, 142	offval2 6339	. . . . . . . . 9 |- ( ( ph /\ d e. NN0 ) -> ( ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) oF + ( ( CC X. { ( (coeff ` F ) ` ( d + 1 ) ) } ) oF x. ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) ) ) = ( z e. CC |-> ( sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) + ( ( (coeff ` F ) ` ( d + 1 ) ) x. ( ( G ` z ) ^ ( d + 1 ) ) ) ) ) )
144		simplr 754	. . . . . . . . . . . 12 |- ( ( ( ph /\ d e. NN0 ) /\ z e. CC ) -> d e. NN0 )
145		nn0uz 10898	. . . . . . . . . . . 12 |- NN0 = ( ZZ>= ` 0 )
146	144, 145	syl6eleq 2533	. . . . . . . . . . 11 |- ( ( ( ph /\ d e. NN0 ) /\ z e. CC ) -> d e. ( ZZ>= ` 0 ) )
147	7	coef3 21703	. . . . . . . . . . . . . . 15 |- ( F e. (Poly ` S ) -> (coeff ` F ) : NN0 --> CC )
148	6, 147	syl 16	. . . . . . . . . . . . . 14 |- ( ph -> (coeff ` F ) : NN0 --> CC )
149	148	ad2antrr 725	. . . . . . . . . . . . 13 |- ( ( ( ph /\ d e. NN0 ) /\ z e. CC ) -> (coeff ` F ) : NN0 --> CC )
150		elfznn0 11484	. . . . . . . . . . . . 13 |- ( k e. ( 0 ... ( d + 1 ) ) -> k e. NN0 )
151		ffvelrn 5844	. . . . . . . . . . . . 13 |- ( ( (coeff ` F ) : NN0 --> CC /\ k e. NN0 ) -> ( (coeff ` F ) ` k ) e. CC )
152	149, 150, 151	syl2an 477	. . . . . . . . . . . 12 |- ( ( ( ( ph /\ d e. NN0 ) /\ z e. CC ) /\ k e. ( 0 ... ( d + 1 ) ) ) -> ( (coeff ` F ) ` k ) e. CC )
153	4	adantlr 714	. . . . . . . . . . . . 13 |- ( ( ( ph /\ d e. NN0 ) /\ z e. CC ) -> ( G ` z ) e. CC )
154		expcl 11886	. . . . . . . . . . . . 13 |- ( ( ( G ` z ) e. CC /\ k e. NN0 ) -> ( ( G ` z ) ^ k ) e. CC )
155	153, 150, 154	syl2an 477	. . . . . . . . . . . 12 |- ( ( ( ( ph /\ d e. NN0 ) /\ z e. CC ) /\ k e. ( 0 ... ( d + 1 ) ) ) -> ( ( G ` z ) ^ k ) e. CC )
156	152, 155	mulcld 9409	. . . . . . . . . . 11 |- ( ( ( ( ph /\ d e. NN0 ) /\ z e. CC ) /\ k e. ( 0 ... ( d + 1 ) ) ) -> ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) e. CC )
157		fveq2 5694	. . . . . . . . . . . 12 |- ( k = ( d + 1 ) -> ( (coeff ` F ) ` k ) = ( (coeff ` F ) ` ( d + 1 ) ) )
158		oveq2 6102	. . . . . . . . . . . 12 |- ( k = ( d + 1 ) -> ( ( G ` z ) ^ k ) = ( ( G ` z ) ^ ( d + 1 ) ) )
159	157, 158	oveq12d 6112	. . . . . . . . . . 11 |- ( k = ( d + 1 ) -> ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) = ( ( (coeff ` F ) ` ( d + 1 ) ) x. ( ( G ` z ) ^ ( d + 1 ) ) ) )
160	146, 156, 159	fsump1 13226	. . . . . . . . . 10 |- ( ( ( ph /\ d e. NN0 ) /\ z e. CC ) -> sum_ k e. ( 0 ... ( d + 1 ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) = ( sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) + ( ( (coeff ` F ) ` ( d + 1 ) ) x. ( ( G ` z ) ^ ( d + 1 ) ) ) ) )
161	160	mpteq2dva 4381	. . . . . . . . 9 |- ( ( ph /\ d e. NN0 ) -> ( z e. CC |-> sum_ k e. ( 0 ... ( d + 1 ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) = ( z e. CC |-> ( sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) + ( ( (coeff ` F ) ` ( d + 1 ) ) x. ( ( G ` z ) ^ ( d + 1 ) ) ) ) ) )
162	143, 161	eqtr4d 2478	. . . . . . . 8 |- ( ( ph /\ d e. NN0 ) -> ( ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) oF + ( ( CC X. { ( (coeff ` F ) ` ( d + 1 ) ) } ) oF x. ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) ) ) = ( z e. CC |-> sum_ k e. ( 0 ... ( d + 1 ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) )
163	162	eleq1d 2509	. . . . . . 7 |- ( ( ph /\ d e. NN0 ) -> ( ( ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) oF + ( ( CC X. { ( (coeff ` F ) ` ( d + 1 ) ) } ) oF x. ( z e. CC |-> ( ( G ` z ) ^ ( d + 1 ) ) ) ) ) e. (Poly ` S ) <-> ( z e. CC |-> sum_ k e. ( 0 ... ( d + 1 ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) )
164	128, 163	sylibd 214	. . . . . 6 |- ( ( ph /\ d e. NN0 ) -> ( ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) -> ( z e. CC |-> sum_ k e. ( 0 ... ( d + 1 ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) )
165	164	expcom 435	. . . . 5 |- ( d e. NN0 -> ( ph -> ( ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) -> ( z e. CC |-> sum_ k e. ( 0 ... ( d + 1 ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) ) )
166	165	a2d 26	. . . 4 |- ( d e. NN0 -> ( ( ph -> ( z e. CC |-> sum_ k e. ( 0 ... d ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) -> ( ph -> ( z e. CC |-> sum_ k e. ( 0 ... ( d + 1 ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) ) )
167	21, 26, 31, 36, 68, 166	nn0ind 10741	. . 3 |- ( (deg ` F ) e. NN0 -> ( ph -> ( z e. CC |-> sum_ k e. ( 0 ... (deg ` F ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) ) )
168	16, 167	mpcom 36	. 2 |- ( ph -> ( z e. CC |-> sum_ k e. ( 0 ... (deg ` F ) ) ( ( (coeff ` F ) ` k ) x. ( ( G ` z ) ^ k ) ) ) e. (Poly ` S ) )
169	14, 168	eqeltrd 2517	1 |- ( ph -> ( F o. G ) e. (Poly ` S ) )

Syntax hints:   -> wi 4   /\ wa 369   = wceq 1369   e. wcel 1756   _Vcvv 2975   u. cun 3329   C_ wss 3331   {csn 3880   e. cmpt 4353   X. cxp 4841   o. ccom 4847   -->wf 5417   ` cfv 5421  (class class class)co 6094   oFcof 6321   CCcc 9283   0cc0 9285   1c1 9286   + caddc 9288   x. cmul 9290   NNcn 10325   NN0cn0 10582   ZZcz 10649   ZZ>=cuz 10864   ...cfz 11440   ^cexp 11868   sum_csu 13166  Polycply 21655  coeffccoe 21657  degcdgr 21658

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1591  ax-4 1602  ax-5 1670  ax-6 1708  ax-7 1728  ax-8 1758  ax-9 1760  ax-10 1775  ax-11 1780  ax-12 1792  ax-13 1943  ax-ext 2423  ax-rep 4406  ax-sep 4416  ax-nul 4424  ax-pow 4473  ax-pr 4534  ax-un 6375  ax-inf2 7850  ax-cnex 9341  ax-resscn 9342  ax-1cn 9343  ax-icn 9344  ax-addcl 9345  ax-addrcl 9346  ax-mulcl 9347  ax-mulrcl 9348  ax-mulcom 9349  ax-addass 9350  ax-mulass 9351  ax-distr 9352  ax-i2m1 9353  ax-1ne0 9354  ax-1rid 9355  ax-rnegex 9356  ax-rrecex 9357  ax-cnre 9358  ax-pre-lttri 9359  ax-pre-lttrn 9360  ax-pre-ltadd 9361  ax-pre-mulgt0 9362  ax-pre-sup 9363  ax-addf 9364

This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  df-3or 966  df-3an 967  df-tru 1372  df-fal 1375  df-ex 1587  df-nf 1590  df-sb 1701  df-eu 2257  df-mo 2258  df-clab 2430  df-cleq 2436  df-clel 2439  df-nfc 2571  df-ne 2611  df-nel 2612  df-ral 2723  df-rex 2724  df-reu 2725  df-rmo 2726  df-rab 2727  df-v 2977  df-sbc 3190  df-csb 3292  df-dif 3334  df-un 3336  df-in 3338  df-ss 3345  df-pss 3347  df-nul 3641  df-if 3795  df-pw 3865  df-sn 3881  df-pr 3883  df-tp 3885  df-op 3887  df-uni 4095  df-int 4132  df-iun 4176  df-br 4296  df-opab 4354  df-mpt 4355  df-tr 4389  df-eprel 4635  df-id 4639  df-po 4644  df-so 4645  df-fr 4682  df-se 4683  df-we 4684  df-ord 4725  df-on 4726  df-lim 4727  df-suc 4728  df-xp 4849  df-rel 4850  df-cnv 4851  df-co 4852  df-dm 4853  df-rn 4854  df-res 4855  df-ima 4856  df-iota 5384  df-fun 5423  df-fn 5424  df-f 5425  df-f1 5426  df-fo 5427  df-f1o 5428  df-fv 5429  df-isom 5430  df-riota 6055  df-ov 6097  df-oprab 6098  df-mpt2 6099  df-of 6323  df-om 6480  df-1st 6580  df-2nd 6581  df-recs 6835  df-rdg 6869  df-1o 6923  df-oadd 6927  df-er 7104  df-map 7219  df-pm 7220  df-en 7314  df-dom 7315  df-sdom 7316  df-fin 7317  df-sup 7694  df-oi 7727  df-card 8112  df-pnf 9423  df-mnf 9424  df-xr 9425  df-ltxr 9426  df-le 9427  df-sub 9600  df-neg 9601  df-div 9997  df-nn 10326  df-2 10383  df-3 10384  df-n0 10583  df-z 10650  df-uz 10865  df-rp 10995  df-fz 11441  df-fzo 11552  df-fl 11645  df-seq 11810  df-exp 11869  df-hash 12107  df-cj 12591  df-re 12592  df-im 12593  df-sqr 12727  df-abs 12728  df-clim 12969  df-rlim 12970  df-sum 13167  df-0p 21151  df-ply 21659  df-coe 21661  df-dgr 21662

This theorem is referenced by:  dgrcolem1  21743  dgrcolem2  21744  taylply2  21836  ftalem7  22419