Theorem cpmadumatpoly 23001

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

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 2765	. . 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 2765	. . 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 2769	. . . . . 6 ⊢ (𝑛 = 𝑧 → (𝑛 = 0 ↔ 𝑧 = 0))
18		eqeq1 2769	. . . . . . 7 ⊢ (𝑛 = 𝑧 → (𝑛 = (𝑠 + 1) ↔ 𝑧 = (𝑠 + 1)))
19		breq2 5109	. . . . . . . 8 ⊢ (𝑛 = 𝑧 → ((𝑠 + 1) < 𝑛 ↔ (𝑠 + 1) < 𝑧))
20		fvoveq1 7423	. . . . . . . . . 10 ⊢ (𝑛 = 𝑧 → (𝑏‘(𝑛 − 1)) = (𝑏‘(𝑧 − 1)))
21	20	fveq2d 6875	. . . . . . . . 9 ⊢ (𝑛 = 𝑧 → (𝑇‘(𝑏‘(𝑛 − 1))) = (𝑇‘(𝑏‘(𝑧 − 1))))
22		2fveq3 6876	. . . . . . . . . 10 ⊢ (𝑛 = 𝑧 → (𝑇‘(𝑏‘𝑛)) = (𝑇‘(𝑏‘𝑧)))
23	22	oveq2d 7416	. . . . . . . . 9 ⊢ (𝑛 = 𝑧 → ((𝑇‘𝑀) × (𝑇‘(𝑏‘𝑛))) = ((𝑇‘𝑀) × (𝑇‘(𝑏‘𝑧))))
24	21, 23	oveq12d 7418	. . . . . . . 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 4510	. . . . . . 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 4510	. . . . . 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 4510	. . . . 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 5209	. . . 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 2788	. . 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 22996	. 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 1152	. . . . . . . . . . . 12 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → 𝑁 ∈ Fin)
32	31	ad3antrrr 742	. . . . . . . . . . 11 ⊢ (((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) ∧ 𝑛 ∈ ℕ0) → 𝑁 ∈ Fin)
33		crngring 20318	. . . . . . . . . . . . 13 ⊢ (𝑅 ∈ CRing → 𝑅 ∈ Ring)
34	33	3ad2ant2 1150	. . . . . . . . . . . 12 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → 𝑅 ∈ Ring)
35	34	ad3antrrr 742	. . . . . . . . . . 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 22973	. . . . . . . . . . . . . 14 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐵) ∧ (𝑠 ∈ ℕ ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠)))) → 𝐺:ℕ0⟶𝑆)
38	33, 37	syl3anl2 1436	. . . . . . . . . . . . 13 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ (𝑠 ∈ ℕ ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠)))) → 𝐺:ℕ0⟶𝑆)
39	38	anassrs 472	. . . . . . . . . . . 12 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ) ∧ 𝑏 ∈ (𝐵 ↑m (0...𝑠))) → 𝐺:ℕ0⟶𝑆)
40	39	ffvelcdmda 7069	. . . . . . . . . . 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 22873	. . . . . . . . . . 11 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ (𝐺‘𝑛) ∈ 𝑆) → (𝑇‘(𝑈‘(𝐺‘𝑛))) = (𝐺‘𝑛))
43	32, 35, 40, 42	syl3anc 1394	. . . . . . . . . 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 2771	. . . . . . . . 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 7416	. . . . . . . 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 5198	. . . . . . 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 7416	. . . . . 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 2776	. . . . 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 6871	. . . . . . 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 1164	. . . . . . . . . 10 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝑁 ∈ Fin ∧ 𝑅 ∈ CRing))
51	50	ad2antrr 738	. . . . . . . . 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 22999	. . . . . . . . 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 23000	. . . . . . . . 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 22943	. . . . . . . . 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 849	. . . . . . . 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 6971	. . . . . . . . . . . . . . 15 ⊢ ((𝐺:ℕ0⟶𝑆 ∧ 𝑛 ∈ ℕ0) → ((𝑈 ∘ 𝐺)‘𝑛) = (𝑈‘(𝐺‘𝑛)))
63	62	eqcomd 2771	. . . . . . . . . . . . . 14 ⊢ ((𝐺:ℕ0⟶𝑆 ∧ 𝑛 ∈ ℕ0) → (𝑈‘(𝐺‘𝑛)) = ((𝑈 ∘ 𝐺)‘𝑛))
64	39, 63	sylan 591	. . . . . . . . . . . . 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 6875	. . . . . . . . . . . 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 7416	. . . . . . . . . . 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 5198	. . . . . . . . . 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 7416	. . . . . . . . 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 6875	. . . . . . . 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 7415	. . . . . . . . . 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 5198	. . . . . . . . 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 7416	. . . . . . . 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 2810	. . . . . . 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 2822	. . . . . 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 417	. . . . 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 243	. . . 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 3178	. . 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 3178	. 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 16	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 400   ∧ w3a 1101   = wceq 1563   ∈ wcel 2145  ∃wrex 3089  ifcif 4483   class class class wbr 5105   ↦ cmpt 5186   ∘ ccom 5656  ⟶wf 6521  ‘cfv 6525  (class class class)co 7400   ↑_m cmap 8812  Fincfn 8931   finSupp cfsupp 9309  0cc0 11088  1c1 11089   + caddc 11091   < clt 11231   − cmin 11429  ℕcn 12224  ℕ₀cn0 12495  ...cfz 13526  Basecbs 17259  +_gcplusg 17300  ._rcmulr 17301   ·_𝑠 cvsca 17304  0_gc0g 17482   Σ_g cgsu 17483  -_gcsg 18992  ._gcmg 19124  mulGrpcmgp 20207  1_rcur 20254  Ringcrg 20306  CRingccrg 20307  var₁cv1 22296  Poly₁cpl1 22297   Mat cmat 22525   maAdju cmadu 22750   ConstPolyMat ccpmat 22821   matToPolyMat cmat2pmat 22822   cPolyMatToMat ccpmat2mat 22823   pMatToMatPoly cpm2mp 22910

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1818  ax-4 1832  ax-5 1933  ax-6 1990  ax-7 2031  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2215  ax-ext 2737  ax-rep 5232  ax-sep 5251  ax-nul 5261  ax-pow 5327  ax-pr 5395  ax-un 7722  ax-cnex 11144  ax-resscn 11145  ax-1cn 11146  ax-icn 11147  ax-addcl 11148  ax-addrcl 11149  ax-mulcl 11150  ax-mulrcl 11151  ax-mulcom 11152  ax-addass 11153  ax-mulass 11154  ax-distr 11155  ax-i2m1 11156  ax-1ne0 11157  ax-1rid 11158  ax-rnegex 11159  ax-rrecex 11160  ax-cnre 11161  ax-pre-lttri 11162  ax-pre-lttrn 11163  ax-pre-ltadd 11164  ax-pre-mulgt0 11165  ax-addf 11167  ax-mulf 11168

This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3or 1102  df-3an 1103  df-xor 1535  df-tru 1566  df-fal 1576  df-ex 1803  df-nf 1807  df-sb 2094  df-mo 2569  df-eu 2599  df-clab 2744  df-cleq 2757  df-clel 2840  df-nfc 2914  df-ne 2961  df-nel 3065  df-ral 3080  df-rex 3090  df-rmo 3370  df-reu 3371  df-rab 3418  df-v 3459  df-sbc 3748  df-csb 3856  df-dif 3910  df-un 3912  df-in 3914  df-ss 3924  df-pss 3927  df-nul 4289  df-if 4484  df-pw 4560  df-sn 4586  df-pr 4588  df-tp 4590  df-op 4592  df-ot 4594  df-uni 4869  df-int 4909  df-iun 4954  df-iin 4955  df-br 5106  df-opab 5168  df-mpt 5187  df-tr 5213  df-id 5547  df-eprel 5552  df-po 5560  df-so 5561  df-fr 5605  df-se 5606  df-we 5607  df-xp 5658  df-rel 5659  df-cnv 5660  df-co 5661  df-dm 5662  df-rn 5663  df-res 5664  df-ima 5665  df-pred 6292  df-ord 6353  df-on 6354  df-lim 6355  df-suc 6356  df-iota 6481  df-fun 6527  df-fn 6528  df-f 6529  df-f1 6530  df-fo 6531  df-f1o 6532  df-fv 6533  df-isom 6534  df-riota 7357  df-ov 7403  df-oprab 7404  df-mpo 7405  df-of 7664  df-ofr 7665  df-om 7851  df-1st 7974  df-2nd 7975  df-supp 8145  df-tpos 8210  df-cur 8251  df-frecs 8266  df-wrecs 8297  df-recs 8346  df-rdg 8385  df-1o 8441  df-2o 8442  df-er 8682  df-map 8814  df-pm 8815  df-ixp 8884  df-en 8932  df-dom 8933  df-sdom 8934  df-fin 8935  df-fsupp 9310  df-sup 9390  df-oi 9460  df-card 9913  df-pnf 11233  df-mnf 11234  df-xr 11235  df-ltxr 11236  df-le 11237  df-sub 11431  df-neg 11432  df-div 11860  df-nn 12225  df-2 12294  df-3 12295  df-4 12296  df-5 12297  df-6 12298  df-7 12299  df-8 12300  df-9 12301  df-n0 12496  df-xnn0 12569  df-z 12583  df-dec 12703  df-uz 12854  df-rp 13008  df-fz 13527  df-fzo 13674  df-seq 14029  df-exp 14089  df-hash 14358  df-word 14541  df-lsw 14590  df-concat 14598  df-s1 14624  df-substr 14669  df-pfx 14699  df-splice 14777  df-reverse 14786  df-s2 14875  df-struct 17197  df-sets 17214  df-slot 17232  df-ndx 17244  df-base 17260  df-ress 17281  df-plusg 17313  df-mulr 17314  df-starv 17315  df-sca 17316  df-vsca 17317  df-ip 17318  df-tset 17319  df-ple 17320  df-ds 17322  df-unif 17323  df-hom 17324  df-cco 17325  df-0g 17484  df-gsum 17485  df-prds 17490  df-pws 17492  df-mre 17628  df-mrc 17629  df-acs 17631  df-mgm 18688  df-sgrp 18767  df-mnd 18783  df-mhm 18831  df-submnd 18832  df-efmnd 18918  df-grp 18993  df-minusg 18994  df-sbg 18995  df-mulg 19125  df-subg 19180  df-ghm 19275  df-gim 19320  df-cntz 19378  df-oppg 19407  df-symg 19431  df-pmtr 19503  df-psgn 19552  df-cmn 19843  df-abl 19844  df-mgp 20208  df-rng 20222  df-ur 20255  df-srg 20260  df-ring 20308  df-cring 20309  df-oppr 20410  df-dvdsr 20430  df-unit 20431  df-invr 20461  df-dvr 20474  df-rhm 20545  df-subrng 20622  df-subrg 20646  df-drng 20806  df-lmod 20952  df-lss 21022  df-sra 21263  df-rgmod 21264  df-cnfld 21483  df-zring 21557  df-zrh 21613  df-dsmm 21842  df-frlm 21857  df-assa 21963  df-ascl 21965  df-psr 22019  df-mvr 22020  df-mpl 22021  df-opsr 22023  df-psr1 22300  df-vr1 22301  df-ply1 22302  df-coe1 22303  df-mamu 22509  df-mat 22526  df-mdet 22703  df-madu 22752  df-cpmat 22824  df-mat2pmat 22825  df-cpmat2mat 22826  df-decpmat 22881  df-pm2mp 22911

This theorem is referenced by:  chcoeffeq  23004