Theorem cpmadumatpoly 22772

Description: The product of the characteristic matrix of a given matrix and its adjunct represented as a polynomial over matrices. (Contributed by AV, 20-Nov-2019.) (Revised by AV, 7-Dec-2019.)

Hypotheses

Ref	Expression
cpmadumatpoly.a	⊢ 𝐴 = (𝑁 Mat 𝑅)
cpmadumatpoly.b	⊢ 𝐵 = (Base‘𝐴)
cpmadumatpoly.p	⊢ 𝑃 = (Poly1‘𝑅)
cpmadumatpoly.y	⊢ 𝑌 = (𝑁 Mat 𝑃)
cpmadumatpoly.t	⊢ 𝑇 = (𝑁 matToPolyMat 𝑅)
cpmadumatpoly.r	⊢ × = (.r‘𝑌)
cpmadumatpoly.m0	⊢ − = (-g‘𝑌)
cpmadumatpoly.0	⊢ 0 = (0g‘𝑌)
cpmadumatpoly.g	⊢ 𝐺 = (𝑛 ∈ ℕ0 ↦ if(𝑛 = 0, ( 0 − ((𝑇‘𝑀) × (𝑇‘(𝑏‘0)))), if(𝑛 = (𝑠 + 1), (𝑇‘(𝑏‘𝑠)), if((𝑠 + 1) < 𝑛, 0 , ((𝑇‘(𝑏‘(𝑛 − 1))) − ((𝑇‘𝑀) × (𝑇‘(𝑏‘𝑛))))))))
cpmadumatpoly.s	⊢ 𝑆 = (𝑁 ConstPolyMat 𝑅)
cpmadumatpoly.m1	⊢ · = ( ·𝑠 ‘𝑌)
cpmadumatpoly.1	⊢ 1 = (1r‘𝑌)
cpmadumatpoly.z	⊢ 𝑍 = (var1‘𝑅)
cpmadumatpoly.d	⊢ 𝐷 = ((𝑍 · 1 ) − (𝑇‘𝑀))
cpmadumatpoly.j	⊢ 𝐽 = (𝑁 maAdju 𝑃)
cpmadumatpoly.w	⊢ 𝑊 = (Base‘𝑌)
cpmadumatpoly.q	⊢ 𝑄 = (Poly1‘𝐴)
cpmadumatpoly.x	⊢ 𝑋 = (var1‘𝐴)
cpmadumatpoly.m2	⊢ ∗ = ( ·𝑠 ‘𝑄)
cpmadumatpoly.e	⊢ ↑ = (.g‘(mulGrp‘𝑄))
cpmadumatpoly.u	⊢ 𝑈 = (𝑁 cPolyMatToMat 𝑅)
cpmadumatpoly.i	⊢ 𝐼 = (𝑁 pMatToMatPoly 𝑅)

Assertion

Ref	Expression
cpmadumatpoly	⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → ∃𝑠 ∈ ℕ ∃𝑏 ∈ (𝐵 ↑m (0...𝑠))(𝐼‘(𝐷 × (𝐽‘𝐷))) = (𝑄 Σg (𝑛 ∈ ℕ0 ↦ ((𝑈‘(𝐺‘𝑛)) ∗ (𝑛 ↑ 𝑋)))))

Distinct variable groups:   𝐵,𝑛   𝑛,𝑀   𝑛,𝑁   𝑅,𝑛   𝑆,𝑛   𝑛,𝑌,𝑏,𝑠   𝐴,𝑏,𝑠,𝑛   𝐵,𝑏,𝑠   𝐷,𝑏,𝑠,𝑛   𝑛,𝐺   𝑛,𝐼   𝐽,𝑏,𝑠,𝑛   𝑀,𝑏,𝑠   𝑁,𝑏,𝑠   𝑃,𝑛,𝑏,𝑠   𝑅,𝑏,𝑠   𝑇,𝑏,𝑠,𝑛   𝑈,𝑛   𝑛,𝑊   𝑌,𝑏,𝑠   𝑍,𝑏,𝑠,𝑛   × ,𝑛   · ,𝑏,𝑠,𝑛   1 ,𝑛   0 ,𝑛   − ,𝑛

Allowed substitution hints:   𝑄(𝑛,𝑠,𝑏)   𝑆(𝑠,𝑏)   × (𝑠,𝑏)   𝑈(𝑠,𝑏)   1 (𝑠,𝑏)   ↑ (𝑛,𝑠,𝑏)   𝐺(𝑠,𝑏)   𝐼(𝑠,𝑏)   ∗ (𝑛,𝑠,𝑏)   − (𝑠,𝑏)   𝑊(𝑠,𝑏)   𝑋(𝑛,𝑠,𝑏)   0 (𝑠,𝑏)

Proof of Theorem cpmadumatpoly

Dummy variable 𝑧 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		cpmadumatpoly.a	. . 3 ⊢ 𝐴 = (𝑁 Mat 𝑅)
2		cpmadumatpoly.b	. . 3 ⊢ 𝐵 = (Base‘𝐴)
3		cpmadumatpoly.p	. . 3 ⊢ 𝑃 = (Poly1‘𝑅)
4		cpmadumatpoly.y	. . 3 ⊢ 𝑌 = (𝑁 Mat 𝑃)
5		cpmadumatpoly.t	. . 3 ⊢ 𝑇 = (𝑁 matToPolyMat 𝑅)
6		cpmadumatpoly.z	. . 3 ⊢ 𝑍 = (var1‘𝑅)
7		eqid 2727	. . 3 ⊢ (.g‘(mulGrp‘𝑃)) = (.g‘(mulGrp‘𝑃))
8		cpmadumatpoly.m1	. . 3 ⊢ · = ( ·𝑠 ‘𝑌)
9		cpmadumatpoly.r	. . 3 ⊢ × = (.r‘𝑌)
10		cpmadumatpoly.1	. . 3 ⊢ 1 = (1r‘𝑌)
11		eqid 2727	. . 3 ⊢ (+g‘𝑌) = (+g‘𝑌)
12		cpmadumatpoly.m0	. . 3 ⊢ − = (-g‘𝑌)
13		cpmadumatpoly.d	. . 3 ⊢ 𝐷 = ((𝑍 · 1 ) − (𝑇‘𝑀))
14		cpmadumatpoly.j	. . 3 ⊢ 𝐽 = (𝑁 maAdju 𝑃)
15		cpmadumatpoly.0	. . 3 ⊢ 0 = (0g‘𝑌)
16		cpmadumatpoly.g	. . . 4 ⊢ 𝐺 = (𝑛 ∈ ℕ0 ↦ if(𝑛 = 0, ( 0 − ((𝑇‘𝑀) × (𝑇‘(𝑏‘0)))), if(𝑛 = (𝑠 + 1), (𝑇‘(𝑏‘𝑠)), if((𝑠 + 1) < 𝑛, 0 , ((𝑇‘(𝑏‘(𝑛 − 1))) − ((𝑇‘𝑀) × (𝑇‘(𝑏‘𝑛))))))))
17		eqeq1 2731	. . . . . 6 ⊢ (𝑛 = 𝑧 → (𝑛 = 0 ↔ 𝑧 = 0))
18		eqeq1 2731	. . . . . . 7 ⊢ (𝑛 = 𝑧 → (𝑛 = (𝑠 + 1) ↔ 𝑧 = (𝑠 + 1)))
19		breq2 5146	. . . . . . . 8 ⊢ (𝑛 = 𝑧 → ((𝑠 + 1) < 𝑛 ↔ (𝑠 + 1) < 𝑧))
20		fvoveq1 7437	. . . . . . . . . 10 ⊢ (𝑛 = 𝑧 → (𝑏‘(𝑛 − 1)) = (𝑏‘(𝑧 − 1)))
21	20	fveq2d 6895	. . . . . . . . 9 ⊢ (𝑛 = 𝑧 → (𝑇‘(𝑏‘(𝑛 − 1))) = (𝑇‘(𝑏‘(𝑧 − 1))))
22		2fveq3 6896	. . . . . . . . . 10 ⊢ (𝑛 = 𝑧 → (𝑇‘(𝑏‘𝑛)) = (𝑇‘(𝑏‘𝑧)))
23	22	oveq2d 7430	. . . . . . . . 9 ⊢ (𝑛 = 𝑧 → ((𝑇‘𝑀) × (𝑇‘(𝑏‘𝑛))) = ((𝑇‘𝑀) × (𝑇‘(𝑏‘𝑧))))
24	21, 23	oveq12d 7432	. . . . . . . 8 ⊢ (𝑛 = 𝑧 → ((𝑇‘(𝑏‘(𝑛 − 1))) − ((𝑇‘𝑀) × (𝑇‘(𝑏‘𝑛)))) = ((𝑇‘(𝑏‘(𝑧 − 1))) − ((𝑇‘𝑀) × (𝑇‘(𝑏‘𝑧)))))
25	19, 24	ifbieq2d 4550	. . . . . . 7 ⊢ (𝑛 = 𝑧 → if((𝑠 + 1) < 𝑛, 0 , ((𝑇‘(𝑏‘(𝑛 − 1))) − ((𝑇‘𝑀) × (𝑇‘(𝑏‘𝑛))))) = if((𝑠 + 1) < 𝑧, 0 , ((𝑇‘(𝑏‘(𝑧 − 1))) − ((𝑇‘𝑀) × (𝑇‘(𝑏‘𝑧))))))
26	18, 25	ifbieq2d 4550	. . . . . 6 ⊢ (𝑛 = 𝑧 → if(𝑛 = (𝑠 + 1), (𝑇‘(𝑏‘𝑠)), if((𝑠 + 1) < 𝑛, 0 , ((𝑇‘(𝑏‘(𝑛 − 1))) − ((𝑇‘𝑀) × (𝑇‘(𝑏‘𝑛)))))) = if(𝑧 = (𝑠 + 1), (𝑇‘(𝑏‘𝑠)), if((𝑠 + 1) < 𝑧, 0 , ((𝑇‘(𝑏‘(𝑧 − 1))) − ((𝑇‘𝑀) × (𝑇‘(𝑏‘𝑧)))))))
27	17, 26	ifbieq2d 4550	. . . . 5 ⊢ (𝑛 = 𝑧 → if(𝑛 = 0, ( 0 − ((𝑇‘𝑀) × (𝑇‘(𝑏‘0)))), if(𝑛 = (𝑠 + 1), (𝑇‘(𝑏‘𝑠)), if((𝑠 + 1) < 𝑛, 0 , ((𝑇‘(𝑏‘(𝑛 − 1))) − ((𝑇‘𝑀) × (𝑇‘(𝑏‘𝑛))))))) = if(𝑧 = 0, ( 0 − ((𝑇‘𝑀) × (𝑇‘(𝑏‘0)))), if(𝑧 = (𝑠 + 1), (𝑇‘(𝑏‘𝑠)), if((𝑠 + 1) < 𝑧, 0 , ((𝑇‘(𝑏‘(𝑧 − 1))) − ((𝑇‘𝑀) × (𝑇‘(𝑏‘𝑧))))))))
28	27	cbvmptv 5255	. . . 4 ⊢ (𝑛 ∈ ℕ0 ↦ if(𝑛 = 0, ( 0 − ((𝑇‘𝑀) × (𝑇‘(𝑏‘0)))), if(𝑛 = (𝑠 + 1), (𝑇‘(𝑏‘𝑠)), if((𝑠 + 1) < 𝑛, 0 , ((𝑇‘(𝑏‘(𝑛 − 1))) − ((𝑇‘𝑀) × (𝑇‘(𝑏‘𝑛)))))))) = (𝑧 ∈ ℕ0 ↦ if(𝑧 = 0, ( 0 − ((𝑇‘𝑀) × (𝑇‘(𝑏‘0)))), if(𝑧 = (𝑠 + 1), (𝑇‘(𝑏‘𝑠)), if((𝑠 + 1) < 𝑧, 0 , ((𝑇‘(𝑏‘(𝑧 − 1))) − ((𝑇‘𝑀) × (𝑇‘(𝑏‘𝑧))))))))
29	16, 28	eqtri 2755	. . 3 ⊢ 𝐺 = (𝑧 ∈ ℕ0 ↦ if(𝑧 = 0, ( 0 − ((𝑇‘𝑀) × (𝑇‘(𝑏‘0)))), if(𝑧 = (𝑠 + 1), (𝑇‘(𝑏‘𝑠)), if((𝑠 + 1) < 𝑧, 0 , ((𝑇‘(𝑏‘(𝑧 − 1))) − ((𝑇‘𝑀) × (𝑇‘(𝑏‘𝑧))))))))
30	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 29	cpmadugsum 22767	. 2 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → ∃𝑠 ∈ ℕ ∃𝑏 ∈ (𝐵 ↑m (0...𝑠))(𝐷 × (𝐽‘𝐷)) = (𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝐺‘𝑛)))))
31		simp1 1134	. . . . . . . . . . . 12 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → 𝑁 ∈ Fin)
32	31	ad3antrrr 729	. . . . . . . . . . 11 ⊢ (((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) ∧ 𝑛 ∈ ℕ0) → 𝑁 ∈ Fin)
33		crngring 20176	. . . . . . . . . . . . 13 ⊢ (𝑅 ∈ CRing → 𝑅 ∈ Ring)
34	33	3ad2ant2 1132	. . . . . . . . . . . 12 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → 𝑅 ∈ Ring)
35	34	ad3antrrr 729	. . . . . . . . . . 11 ⊢ (((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) ∧ 𝑛 ∈ ℕ0) → 𝑅 ∈ Ring)
36		cpmadumatpoly.s	. . . . . . . . . . . . . . 15 ⊢ 𝑆 = (𝑁 ConstPolyMat 𝑅)
37	1, 2, 3, 4, 9, 12, 15, 5, 16, 36	chfacfisfcpmat 22744	. . . . . . . . . . . . . 14 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐵) ∧ (𝑠 ∈ ℕ ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠)))) → 𝐺:ℕ0⟶𝑆)
38	33, 37	syl3anl2 1411	. . . . . . . . . . . . 13 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ (𝑠 ∈ ℕ ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠)))) → 𝐺:ℕ0⟶𝑆)
39	38	anassrs 467	. . . . . . . . . . . 12 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) → 𝐺:ℕ0⟶𝑆)
40	39	ffvelcdmda 7088	. . . . . . . . . . 11 ⊢ (((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) ∧ 𝑛 ∈ ℕ0) → (𝐺‘𝑛) ∈ 𝑆)
41		cpmadumatpoly.u	. . . . . . . . . . . 12 ⊢ 𝑈 = (𝑁 cPolyMatToMat 𝑅)
42	36, 41, 5	m2cpminvid2 22644	. . . . . . . . . . 11 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ (𝐺‘𝑛) ∈ 𝑆) → (𝑇‘(𝑈‘(𝐺‘𝑛))) = (𝐺‘𝑛))
43	32, 35, 40, 42	syl3anc 1369	. . . . . . . . . 10 ⊢ (((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) ∧ 𝑛 ∈ ℕ0) → (𝑇‘(𝑈‘(𝐺‘𝑛))) = (𝐺‘𝑛))
44	43	eqcomd 2733	. . . . . . . . 9 ⊢ (((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) ∧ 𝑛 ∈ ℕ0) → (𝐺‘𝑛) = (𝑇‘(𝑈‘(𝐺‘𝑛))))
45	44	oveq2d 7430	. . . . . . . 8 ⊢ (((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) ∧ 𝑛 ∈ ℕ0) → ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝐺‘𝑛)) = ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘(𝑈‘(𝐺‘𝑛)))))
46	45	mpteq2dva 5242	. . . . . . 7 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) → (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝐺‘𝑛))) = (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘(𝑈‘(𝐺‘𝑛))))))
47	46	oveq2d 7430	. . . . . 6 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) → (𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝐺‘𝑛)))) = (𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘(𝑈‘(𝐺‘𝑛)))))))
48	47	eqeq2d 2738	. . . . 5 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) → ((𝐷 × (𝐽‘𝐷)) = (𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝐺‘𝑛)))) ↔ (𝐷 × (𝐽‘𝐷)) = (𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘(𝑈‘(𝐺‘𝑛))))))))
49		fveq2 6891	. . . . . . 7 ⊢ ((𝐷 × (𝐽‘𝐷)) = (𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘(𝑈‘(𝐺‘𝑛)))))) → (𝐼‘(𝐷 × (𝐽‘𝐷))) = (𝐼‘(𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘(𝑈‘(𝐺‘𝑛))))))))
50		3simpa 1146	. . . . . . . . . 10 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝑁 ∈ Fin ∧ 𝑅 ∈ CRing))
51	50	ad2antrr 725	. . . . . . . . 9 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) → (𝑁 ∈ Fin ∧ 𝑅 ∈ CRing))
52		cpmadumatpoly.w	. . . . . . . . . 10 ⊢ 𝑊 = (Base‘𝑌)
53		cpmadumatpoly.q	. . . . . . . . . 10 ⊢ 𝑄 = (Poly1‘𝐴)
54		cpmadumatpoly.x	. . . . . . . . . 10 ⊢ 𝑋 = (var1‘𝐴)
55		cpmadumatpoly.m2	. . . . . . . . . 10 ⊢ ∗ = ( ·𝑠 ‘𝑄)
56		cpmadumatpoly.e	. . . . . . . . . 10 ⊢ ↑ = (.g‘(mulGrp‘𝑄))
57	1, 2, 3, 4, 5, 9, 12, 15, 16, 36, 8, 10, 6, 13, 14, 52, 53, 54, 55, 56, 41	cpmadumatpolylem1 22770	. . . . . . . . 9 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) → (𝑈 ∘ 𝐺) ∈ (𝐵 ↑m ℕ0))
58	1, 2, 3, 4, 5, 9, 12, 15, 16, 36, 8, 10, 6, 13, 14, 52, 53, 54, 55, 56, 41	cpmadumatpolylem2 22771	. . . . . . . . 9 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) → (𝑈 ∘ 𝐺) finSupp (0g‘𝐴))
59		cpmadumatpoly.i	. . . . . . . . . 10 ⊢ 𝐼 = (𝑁 pMatToMatPoly 𝑅)
60	3, 4, 52, 55, 56, 54, 1, 2, 53, 59, 7, 6, 8, 5	pm2mp 22714	. . . . . . . . 9 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing) ∧ ((𝑈 ∘ 𝐺) ∈ (𝐵 ↑m ℕ0) ∧ (𝑈 ∘ 𝐺) finSupp (0g‘𝐴))) → (𝐼‘(𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘((𝑈 ∘ 𝐺)‘𝑛)))))) = (𝑄 Σg (𝑛 ∈ ℕ0 ↦ (((𝑈 ∘ 𝐺)‘𝑛) ∗ (𝑛 ↑ 𝑋)))))
61	51, 57, 58, 60	syl12anc 836	. . . . . . . 8 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) → (𝐼‘(𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘((𝑈 ∘ 𝐺)‘𝑛)))))) = (𝑄 Σg (𝑛 ∈ ℕ0 ↦ (((𝑈 ∘ 𝐺)‘𝑛) ∗ (𝑛 ↑ 𝑋)))))
62		fvco3 6991	. . . . . . . . . . . . . . 15 ⊢ ((𝐺:ℕ0⟶𝑆 ∧ 𝑛 ∈ ℕ0) → ((𝑈 ∘ 𝐺)‘𝑛) = (𝑈‘(𝐺‘𝑛)))
63	62	eqcomd 2733	. . . . . . . . . . . . . 14 ⊢ ((𝐺:ℕ0⟶𝑆 ∧ 𝑛 ∈ ℕ0) → (𝑈‘(𝐺‘𝑛)) = ((𝑈 ∘ 𝐺)‘𝑛))
64	39, 63	sylan 579	. . . . . . . . . . . . 13 ⊢ (((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) ∧ 𝑛 ∈ ℕ0) → (𝑈‘(𝐺‘𝑛)) = ((𝑈 ∘ 𝐺)‘𝑛))
65	64	fveq2d 6895	. . . . . . . . . . . 12 ⊢ (((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) ∧ 𝑛 ∈ ℕ0) → (𝑇‘(𝑈‘(𝐺‘𝑛))) = (𝑇‘((𝑈 ∘ 𝐺)‘𝑛)))
66	65	oveq2d 7430	. . . . . . . . . . 11 ⊢ (((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) ∧ 𝑛 ∈ ℕ0) → ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘(𝑈‘(𝐺‘𝑛)))) = ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘((𝑈 ∘ 𝐺)‘𝑛))))
67	66	mpteq2dva 5242	. . . . . . . . . 10 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) → (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘(𝑈‘(𝐺‘𝑛))))) = (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘((𝑈 ∘ 𝐺)‘𝑛)))))
68	67	oveq2d 7430	. . . . . . . . 9 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) → (𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘(𝑈‘(𝐺‘𝑛)))))) = (𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘((𝑈 ∘ 𝐺)‘𝑛))))))
69	68	fveq2d 6895	. . . . . . . 8 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) → (𝐼‘(𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘(𝑈‘(𝐺‘𝑛))))))) = (𝐼‘(𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘((𝑈 ∘ 𝐺)‘𝑛)))))))
70	64	oveq1d 7429	. . . . . . . . . 10 ⊢ (((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) ∧ 𝑛 ∈ ℕ0) → ((𝑈‘(𝐺‘𝑛)) ∗ (𝑛 ↑ 𝑋)) = (((𝑈 ∘ 𝐺)‘𝑛) ∗ (𝑛 ↑ 𝑋)))
71	70	mpteq2dva 5242	. . . . . . . . 9 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) → (𝑛 ∈ ℕ0 ↦ ((𝑈‘(𝐺‘𝑛)) ∗ (𝑛 ↑ 𝑋))) = (𝑛 ∈ ℕ0 ↦ (((𝑈 ∘ 𝐺)‘𝑛) ∗ (𝑛 ↑ 𝑋))))
72	71	oveq2d 7430	. . . . . . . 8 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) → (𝑄 Σg (𝑛 ∈ ℕ0 ↦ ((𝑈‘(𝐺‘𝑛)) ∗ (𝑛 ↑ 𝑋)))) = (𝑄 Σg (𝑛 ∈ ℕ0 ↦ (((𝑈 ∘ 𝐺)‘𝑛) ∗ (𝑛 ↑ 𝑋)))))
73	61, 69, 72	3eqtr4d 2777	. . . . . . 7 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) → (𝐼‘(𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘(𝑈‘(𝐺‘𝑛))))))) = (𝑄 Σg (𝑛 ∈ ℕ0 ↦ ((𝑈‘(𝐺‘𝑛)) ∗ (𝑛 ↑ 𝑋)))))
74	49, 73	sylan9eqr 2789	. . . . . 6 ⊢ (((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) ∧ (𝐷 × (𝐽‘𝐷)) = (𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘(𝑈‘(𝐺‘𝑛))))))) → (𝐼‘(𝐷 × (𝐽‘𝐷))) = (𝑄 Σg (𝑛 ∈ ℕ0 ↦ ((𝑈‘(𝐺‘𝑛)) ∗ (𝑛 ↑ 𝑋)))))
75	74	ex 412	. . . . 5 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) → ((𝐷 × (𝐽‘𝐷)) = (𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝑇‘(𝑈‘(𝐺‘𝑛)))))) → (𝐼‘(𝐷 × (𝐽‘𝐷))) = (𝑄 Σg (𝑛 ∈ ℕ0 ↦ ((𝑈‘(𝐺‘𝑛)) ∗ (𝑛 ↑ 𝑋))))))
76	48, 75	sylbid 239	. . . 4 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) → ((𝐷 × (𝐽‘𝐷)) = (𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝐺‘𝑛)))) → (𝐼‘(𝐷 × (𝐽‘𝐷))) = (𝑄 Σg (𝑛 ∈ ℕ0 ↦ ((𝑈‘(𝐺‘𝑛)) ∗ (𝑛 ↑ 𝑋))))))
77	76	reximdva 3163	. . 3 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) → (∃𝑏 ∈ (𝐵 ↑m (0...𝑠))(𝐷 × (𝐽‘𝐷)) = (𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝐺‘𝑛)))) → ∃𝑏 ∈ (𝐵 ↑m (0...𝑠))(𝐼‘(𝐷 × (𝐽‘𝐷))) = (𝑄 Σg (𝑛 ∈ ℕ0 ↦ ((𝑈‘(𝐺‘𝑛)) ∗ (𝑛 ↑ 𝑋))))))
78	77	reximdva 3163	. 2 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (∃𝑠 ∈ ℕ ∃𝑏 ∈ (𝐵 ↑m (0...𝑠))(𝐷 × (𝐽‘𝐷)) = (𝑌 Σg (𝑛 ∈ ℕ0 ↦ ((𝑛(.g‘(mulGrp‘𝑃))𝑍) · (𝐺‘𝑛)))) → ∃𝑠 ∈ ℕ ∃𝑏 ∈ (𝐵 ↑m (0...𝑠))(𝐼‘(𝐷 × (𝐽‘𝐷))) = (𝑄 Σg (𝑛 ∈ ℕ0 ↦ ((𝑈‘(𝐺‘𝑛)) ∗ (𝑛 ↑ 𝑋))))))
79	30, 78	mpd 15	1 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → ∃𝑠 ∈ ℕ ∃𝑏 ∈ (𝐵 ↑m (0...𝑠))(𝐼‘(𝐷 × (𝐽‘𝐷))) = (𝑄 Σg (𝑛 ∈ ℕ0 ↦ ((𝑈‘(𝐺‘𝑛)) ∗ (𝑛 ↑ 𝑋)))))

Syntax hints:   → wi 4   ∧ wa 395   ∧ w3a 1085   = wceq 1534   ∈ wcel 2099  ∃wrex 3065  ifcif 4524   class class class wbr 5142   ↦ cmpt 5225   ∘ ccom 5676  ⟶wf 6538  ‘cfv 6542  (class class class)co 7414   ↑_m cmap 8836  Fincfn 8955   finSupp cfsupp 9377  0cc0 11130  1c1 11131   + caddc 11133   < clt 11270   − cmin 11466  ℕcn 12234  ℕ₀cn0 12494  ...cfz 13508  Basecbs 17171  +_gcplusg 17224  ._rcmulr 17225   ·_𝑠 cvsca 17228  0_gc0g 17412   Σ_g cgsu 17413  -_gcsg 18883  ._gcmg 19014  mulGrpcmgp 20065  1_rcur 20112  Ringcrg 20164  CRingccrg 20165  var₁cv1 22082  Poly₁cpl1 22083   Mat cmat 22294   maAdju cmadu 22521   ConstPolyMat ccpmat 22592   matToPolyMat cmat2pmat 22593   cPolyMatToMat ccpmat2mat 22594   pMatToMatPoly cpm2mp 22681

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1790  ax-4 1804  ax-5 1906  ax-6 1964  ax-7 2004  ax-8 2101  ax-9 2109  ax-10 2130  ax-11 2147  ax-12 2164  ax-ext 2698  ax-rep 5279  ax-sep 5293  ax-nul 5300  ax-pow 5359  ax-pr 5423  ax-un 7734  ax-cnex 11186  ax-resscn 11187  ax-1cn 11188  ax-icn 11189  ax-addcl 11190  ax-addrcl 11191  ax-mulcl 11192  ax-mulrcl 11193  ax-mulcom 11194  ax-addass 11195  ax-mulass 11196  ax-distr 11197  ax-i2m1 11198  ax-1ne0 11199  ax-1rid 11200  ax-rnegex 11201  ax-rrecex 11202  ax-cnre 11203  ax-pre-lttri 11204  ax-pre-lttrn 11205  ax-pre-ltadd 11206  ax-pre-mulgt0 11207  ax-addf 11209  ax-mulf 11210

This theorem depends on definitions:  df-bi 206  df-an 396  df-or 847  df-3or 1086  df-3an 1087  df-xor 1506  df-tru 1537  df-fal 1547  df-ex 1775  df-nf 1779  df-sb 2061  df-mo 2529  df-eu 2558  df-clab 2705  df-cleq 2719  df-clel 2805  df-nfc 2880  df-ne 2936  df-nel 3042  df-ral 3057  df-rex 3066  df-rmo 3371  df-reu 3372  df-rab 3428  df-v 3471  df-sbc 3775  df-csb 3890  df-dif 3947  df-un 3949  df-in 3951  df-ss 3961  df-pss 3963  df-nul 4319  df-if 4525  df-pw 4600  df-sn 4625  df-pr 4627  df-tp 4629  df-op 4631  df-ot 4633  df-uni 4904  df-int 4945  df-iun 4993  df-iin 4994  df-br 5143  df-opab 5205  df-mpt 5226  df-tr 5260  df-id 5570  df-eprel 5576  df-po 5584  df-so 5585  df-fr 5627  df-se 5628  df-we 5629  df-xp 5678  df-rel 5679  df-cnv 5680  df-co 5681  df-dm 5682  df-rn 5683  df-res 5684  df-ima 5685  df-pred 6299  df-ord 6366  df-on 6367  df-lim 6368  df-suc 6369  df-iota 6494  df-fun 6544  df-fn 6545  df-f 6546  df-f1 6547  df-fo 6548  df-f1o 6549  df-fv 6550  df-isom 6551  df-riota 7370  df-ov 7417  df-oprab 7418  df-mpo 7419  df-of 7679  df-ofr 7680  df-om 7865  df-1st 7987  df-2nd 7988  df-supp 8160  df-tpos 8225  df-cur 8266  df-frecs 8280  df-wrecs 8311  df-recs 8385  df-rdg 8424  df-1o 8480  df-2o 8481  df-er 8718  df-map 8838  df-pm 8839  df-ixp 8908  df-en 8956  df-dom 8957  df-sdom 8958  df-fin 8959  df-fsupp 9378  df-sup 9457  df-oi 9525  df-card 9954  df-pnf 11272  df-mnf 11273  df-xr 11274  df-ltxr 11275  df-le 11276  df-sub 11468  df-neg 11469  df-div 11894  df-nn 12235  df-2 12297  df-3 12298  df-4 12299  df-5 12300  df-6 12301  df-7 12302  df-8 12303  df-9 12304  df-n0 12495  df-xnn0 12567  df-z 12581  df-dec 12700  df-uz 12845  df-rp 12999  df-fz 13509  df-fzo 13652  df-seq 13991  df-exp 14051  df-hash 14314  df-word 14489  df-lsw 14537  df-concat 14545  df-s1 14570  df-substr 14615  df-pfx 14645  df-splice 14724  df-reverse 14733  df-s2 14823  df-struct 17107  df-sets 17124  df-slot 17142  df-ndx 17154  df-base 17172  df-ress 17201  df-plusg 17237  df-mulr 17238  df-starv 17239  df-sca 17240  df-vsca 17241  df-ip 17242  df-tset 17243  df-ple 17244  df-ds 17246  df-unif 17247  df-hom 17248  df-cco 17249  df-0g 17414  df-gsum 17415  df-prds 17420  df-pws 17422  df-mre 17557  df-mrc 17558  df-acs 17560  df-mgm 18591  df-sgrp 18670  df-mnd 18686  df-mhm 18731  df-submnd 18732  df-efmnd 18812  df-grp 18884  df-minusg 18885  df-sbg 18886  df-mulg 19015  df-subg 19069  df-ghm 19159  df-gim 19204  df-cntz 19259  df-oppg 19288  df-symg 19313  df-pmtr 19388  df-psgn 19437  df-cmn 19728  df-abl 19729  df-mgp 20066  df-rng 20084  df-ur 20113  df-srg 20118  df-ring 20166  df-cring 20167  df-oppr 20262  df-dvdsr 20285  df-unit 20286  df-invr 20316  df-dvr 20329  df-rhm 20400  df-subrng 20472  df-subrg 20497  df-drng 20615  df-lmod 20734  df-lss 20805  df-sra 21047  df-rgmod 21048  df-cnfld 21267  df-zring 21360  df-zrh 21416  df-dsmm 21653  df-frlm 21668  df-assa 21774  df-ascl 21776  df-psr 21829  df-mvr 21830  df-mpl 21831  df-opsr 21833  df-psr1 22086  df-vr1 22087  df-ply1 22088  df-coe1 22089  df-mamu 22273  df-mat 22295  df-mdet 22474  df-madu 22523  df-cpmat 22595  df-mat2pmat 22596  df-cpmat2mat 22597  df-decpmat 22652  df-pm2mp 22682

This theorem is referenced by:  chcoeffeq  22775