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Theorem mdetleib2 22441

Description: Leibniz' formula can also be expanded by rows. (Contributed by Stefan O'Rear, 9-Jul-2018.) (Proof shortened by AV, 23-Jul-2019.)

**Hypotheses**
Ref	Expression
mdetfval.d	⊢ 𝐷 = (𝑁 maDet 𝑅)
mdetfval.a	⊢ 𝐴 = (𝑁 Mat 𝑅)
mdetfval.b	⊢ 𝐵 = (Base‘𝐴)
mdetfval.p	⊢ 𝑃 = (Base‘(SymGrp‘𝑁))
mdetfval.y	⊢ 𝑌 = (ℤRHom‘𝑅)
mdetfval.s	⊢ 𝑆 = (pmSgn‘𝑁)
mdetfval.t	⊢ · = (._r‘𝑅)
mdetfval.u	⊢ 𝑈 = (mulGrp‘𝑅)

**Assertion**
Ref	Expression
mdetleib2	⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝐷‘𝑀) = (𝑅 Σ_g (𝑝 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑝) · (𝑈 Σ_g (𝑥 ∈ 𝑁 ↦ (𝑥𝑀(𝑝‘𝑥))))))))

Distinct variable groups: 𝑥,𝑝,𝑀 𝑁,𝑝,𝑥 𝑅,𝑝,𝑥 𝐵,𝑝,𝑥 𝑃,𝑝,𝑥 𝑆,𝑝 𝑈,𝑝 𝑌,𝑝 · ,𝑝 Allowed substitution hints: 𝐴(𝑥,𝑝) 𝐷(𝑥,𝑝) 𝑆(𝑥) · (𝑥) 𝑈(𝑥) 𝑌(𝑥)

Proof of Theorem mdetleib2 Dummy variables 𝑦 𝑞 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		mdetfval.d	. . . 4 ⊢ 𝐷 = (𝑁 maDet 𝑅)
2		mdetfval.a	. . . 4 ⊢ 𝐴 = (𝑁 Mat 𝑅)
3		mdetfval.b	. . . 4 ⊢ 𝐵 = (Base‘𝐴)
4		mdetfval.p	. . . 4 ⊢ 𝑃 = (Base‘(SymGrp‘𝑁))
5		mdetfval.y	. . . 4 ⊢ 𝑌 = (ℤRHom‘𝑅)
6		mdetfval.s	. . . 4 ⊢ 𝑆 = (pmSgn‘𝑁)
7		mdetfval.t	. . . 4 ⊢ · = (._r‘𝑅)
8		mdetfval.u	. . . 4 ⊢ 𝑈 = (mulGrp‘𝑅)
9	1, 2, 3, 4, 5, 6, 7, 8	mdetleib 22440	. . 3 ⊢ (𝑀 ∈ 𝐵 → (𝐷‘𝑀) = (𝑅 Σ_g (𝑞 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑞) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦)))))))
10	9	adantl 481	. 2 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝐷‘𝑀) = (𝑅 Σ_g (𝑞 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑞) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦)))))))
11		eqid 2726	. . 3 ⊢ (Base‘𝑅) = (Base‘𝑅)
12		crngring 20148	. . . . 5 ⊢ (𝑅 ∈ CRing → 𝑅 ∈ Ring)
13		ringcmn 20179	. . . . 5 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ CMnd)
14	12, 13	syl 17	. . . 4 ⊢ (𝑅 ∈ CRing → 𝑅 ∈ CMnd)
15	14	adantr 480	. . 3 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → 𝑅 ∈ CMnd)
16	2, 3	matrcl 22263	. . . . . 6 ⊢ (𝑀 ∈ 𝐵 → (𝑁 ∈ Fin ∧ 𝑅 ∈ V))
17	16	adantl 481	. . . . 5 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝑁 ∈ Fin ∧ 𝑅 ∈ V))
18	17	simpld 494	. . . 4 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → 𝑁 ∈ Fin)
19		eqid 2726	. . . . 5 ⊢ (SymGrp‘𝑁) = (SymGrp‘𝑁)
20	19, 4	symgbasfi 19296	. . . 4 ⊢ (𝑁 ∈ Fin → 𝑃 ∈ Fin)
21	18, 20	syl 17	. . 3 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → 𝑃 ∈ Fin)
22	12	ad2antrr 723	. . . . 5 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) → 𝑅 ∈ Ring)
23	5, 6	coeq12i 5856	. . . . . . . . 9 ⊢ (𝑌 ∘ 𝑆) = ((ℤRHom‘𝑅) ∘ (pmSgn‘𝑁))
24		zrhpsgnmhm 21473	. . . . . . . . 9 ⊢ ((𝑅 ∈ Ring ∧ 𝑁 ∈ Fin) → ((ℤRHom‘𝑅) ∘ (pmSgn‘𝑁)) ∈ ((SymGrp‘𝑁) MndHom (mulGrp‘𝑅)))
25	23, 24	eqeltrid 2831	. . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ 𝑁 ∈ Fin) → (𝑌 ∘ 𝑆) ∈ ((SymGrp‘𝑁) MndHom (mulGrp‘𝑅)))
26	12, 18, 25	syl2an2r 682	. . . . . . 7 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝑌 ∘ 𝑆) ∈ ((SymGrp‘𝑁) MndHom (mulGrp‘𝑅)))
27		eqid 2726	. . . . . . . . 9 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅)
28	27, 11	mgpbas 20043	. . . . . . . 8 ⊢ (Base‘𝑅) = (Base‘(mulGrp‘𝑅))
29	4, 28	mhmf 18717	. . . . . . 7 ⊢ ((𝑌 ∘ 𝑆) ∈ ((SymGrp‘𝑁) MndHom (mulGrp‘𝑅)) → (𝑌 ∘ 𝑆):𝑃⟶(Base‘𝑅))
30	26, 29	syl 17	. . . . . 6 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝑌 ∘ 𝑆):𝑃⟶(Base‘𝑅))
31	30	ffvelcdmda 7079	. . . . 5 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) → ((𝑌 ∘ 𝑆)‘𝑞) ∈ (Base‘𝑅))
32	8, 11	mgpbas 20043	. . . . . 6 ⊢ (Base‘𝑅) = (Base‘𝑈)
33	8	crngmgp 20144	. . . . . . 7 ⊢ (𝑅 ∈ CRing → 𝑈 ∈ CMnd)
34	33	ad2antrr 723	. . . . . 6 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) → 𝑈 ∈ CMnd)
35	18	adantr 480	. . . . . 6 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) → 𝑁 ∈ Fin)
36		simpr 484	. . . . . . . . . 10 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → 𝑀 ∈ 𝐵)
37	2, 11, 3	matbas2i 22275	. . . . . . . . . 10 ⊢ (𝑀 ∈ 𝐵 → 𝑀 ∈ ((Base‘𝑅) ↑_m (𝑁 × 𝑁)))
38		elmapi 8842	. . . . . . . . . 10 ⊢ (𝑀 ∈ ((Base‘𝑅) ↑_m (𝑁 × 𝑁)) → 𝑀:(𝑁 × 𝑁)⟶(Base‘𝑅))
39	36, 37, 38	3syl 18	. . . . . . . . 9 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → 𝑀:(𝑁 × 𝑁)⟶(Base‘𝑅))
40	39	ad2antrr 723	. . . . . . . 8 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → 𝑀:(𝑁 × 𝑁)⟶(Base‘𝑅))
41	19, 4	symgbasf1o 19292	. . . . . . . . . . 11 ⊢ (𝑞 ∈ 𝑃 → 𝑞:𝑁–1-1-onto→𝑁)
42	41	adantl 481	. . . . . . . . . 10 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) → 𝑞:𝑁–1-1-onto→𝑁)
43		f1of 6826	. . . . . . . . . 10 ⊢ (𝑞:𝑁–1-1-onto→𝑁 → 𝑞:𝑁⟶𝑁)
44	42, 43	syl 17	. . . . . . . . 9 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) → 𝑞:𝑁⟶𝑁)
45	44	ffvelcdmda 7079	. . . . . . . 8 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → (𝑞‘𝑦) ∈ 𝑁)
46		simpr 484	. . . . . . . 8 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → 𝑦 ∈ 𝑁)
47	40, 45, 46	fovcdmd 7575	. . . . . . 7 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → ((𝑞‘𝑦)𝑀𝑦) ∈ (Base‘𝑅))
48	47	ralrimiva 3140	. . . . . 6 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) → ∀𝑦 ∈ 𝑁 ((𝑞‘𝑦)𝑀𝑦) ∈ (Base‘𝑅))
49	32, 34, 35, 48	gsummptcl 19885	. . . . 5 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) → (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦))) ∈ (Base‘𝑅))
50	11, 7	ringcl 20153	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ ((𝑌 ∘ 𝑆)‘𝑞) ∈ (Base‘𝑅) ∧ (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦))) ∈ (Base‘𝑅)) → (((𝑌 ∘ 𝑆)‘𝑞) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦)))) ∈ (Base‘𝑅))
51	22, 31, 49, 50	syl3anc 1368	. . . 4 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) → (((𝑌 ∘ 𝑆)‘𝑞) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦)))) ∈ (Base‘𝑅))
52	51	ralrimiva 3140	. . 3 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → ∀𝑞 ∈ 𝑃 (((𝑌 ∘ 𝑆)‘𝑞) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦)))) ∈ (Base‘𝑅))
53		eqid 2726	. . 3 ⊢ (𝑞 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑞) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦))))) = (𝑞 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑞) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦)))))
54		eqid 2726	. . . 4 ⊢ (inv_g‘(SymGrp‘𝑁)) = (inv_g‘(SymGrp‘𝑁))
55	19	symggrp 19318	. . . . 5 ⊢ (𝑁 ∈ Fin → (SymGrp‘𝑁) ∈ Grp)
56	18, 55	syl 17	. . . 4 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (SymGrp‘𝑁) ∈ Grp)
57	4, 54, 56	grpinvf1o 18936	. . 3 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (inv_g‘(SymGrp‘𝑁)):𝑃–1-1-onto→𝑃)
58	11, 15, 21, 52, 53, 57	gsummptfif1o 19886	. 2 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝑅 Σ_g (𝑞 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑞) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦)))))) = (𝑅 Σ_g ((𝑞 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑞) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦))))) ∘ (inv_g‘(SymGrp‘𝑁)))))
59		f1of 6826	. . . . . . 7 ⊢ ((inv_g‘(SymGrp‘𝑁)):𝑃–1-1-onto→𝑃 → (inv_g‘(SymGrp‘𝑁)):𝑃⟶𝑃)
60	57, 59	syl 17	. . . . . 6 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (inv_g‘(SymGrp‘𝑁)):𝑃⟶𝑃)
61	60	ffvelcdmda 7079	. . . . 5 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → ((inv_g‘(SymGrp‘𝑁))‘𝑝) ∈ 𝑃)
62	60	feqmptd 6953	. . . . 5 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (inv_g‘(SymGrp‘𝑁)) = (𝑝 ∈ 𝑃 ↦ ((inv_g‘(SymGrp‘𝑁))‘𝑝)))
63		eqidd 2727	. . . . 5 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝑞 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑞) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦))))) = (𝑞 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑞) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦))))))
64		fveq2 6884	. . . . . 6 ⊢ (𝑞 = ((inv_g‘(SymGrp‘𝑁))‘𝑝) → ((𝑌 ∘ 𝑆)‘𝑞) = ((𝑌 ∘ 𝑆)‘((inv_g‘(SymGrp‘𝑁))‘𝑝)))
65		fveq1 6883	. . . . . . . . 9 ⊢ (𝑞 = ((inv_g‘(SymGrp‘𝑁))‘𝑝) → (𝑞‘𝑦) = (((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦))
66	65	oveq1d 7419	. . . . . . . 8 ⊢ (𝑞 = ((inv_g‘(SymGrp‘𝑁))‘𝑝) → ((𝑞‘𝑦)𝑀𝑦) = ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦))
67	66	mpteq2dv 5243	. . . . . . 7 ⊢ (𝑞 = ((inv_g‘(SymGrp‘𝑁))‘𝑝) → (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦)) = (𝑦 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦)))
68	67	oveq2d 7420	. . . . . 6 ⊢ (𝑞 = ((inv_g‘(SymGrp‘𝑁))‘𝑝) → (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦))) = (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦))))
69	64, 68	oveq12d 7422	. . . . 5 ⊢ (𝑞 = ((inv_g‘(SymGrp‘𝑁))‘𝑝) → (((𝑌 ∘ 𝑆)‘𝑞) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦)))) = (((𝑌 ∘ 𝑆)‘((inv_g‘(SymGrp‘𝑁))‘𝑝)) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦)))))
70	61, 62, 63, 69	fmptco 7122	. . . 4 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → ((𝑞 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑞) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦))))) ∘ (inv_g‘(SymGrp‘𝑁))) = (𝑝 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘((inv_g‘(SymGrp‘𝑁))‘𝑝)) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦))))))
71	19, 4, 54	symginv 19320	. . . . . . . . 9 ⊢ (𝑝 ∈ 𝑃 → ((inv_g‘(SymGrp‘𝑁))‘𝑝) = ^◡𝑝)
72	71	adantl 481	. . . . . . . 8 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → ((inv_g‘(SymGrp‘𝑁))‘𝑝) = ^◡𝑝)
73	72	fveq2d 6888	. . . . . . 7 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → ((𝑌 ∘ 𝑆)‘((inv_g‘(SymGrp‘𝑁))‘𝑝)) = ((𝑌 ∘ 𝑆)‘^◡𝑝))
74	12	ad2antrr 723	. . . . . . . 8 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → 𝑅 ∈ Ring)
75	18	adantr 480	. . . . . . . 8 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → 𝑁 ∈ Fin)
76		simpr 484	. . . . . . . 8 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → 𝑝 ∈ 𝑃)
77	4, 5, 6	zrhpsgninv 21474	. . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ 𝑁 ∈ Fin ∧ 𝑝 ∈ 𝑃) → ((𝑌 ∘ 𝑆)‘^◡𝑝) = ((𝑌 ∘ 𝑆)‘𝑝))
78	74, 75, 76, 77	syl3anc 1368	. . . . . . 7 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → ((𝑌 ∘ 𝑆)‘^◡𝑝) = ((𝑌 ∘ 𝑆)‘𝑝))
79	73, 78	eqtrd 2766	. . . . . 6 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → ((𝑌 ∘ 𝑆)‘((inv_g‘(SymGrp‘𝑁))‘𝑝)) = ((𝑌 ∘ 𝑆)‘𝑝))
80		eqid 2726	. . . . . . . 8 ⊢ (Base‘𝑈) = (Base‘𝑈)
81	33	ad2antrr 723	. . . . . . . 8 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → 𝑈 ∈ CMnd)
82	39	ad2antrr 723	. . . . . . . . . . 11 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → 𝑀:(𝑁 × 𝑁)⟶(Base‘𝑅))
83	71	ad2antlr 724	. . . . . . . . . . . . 13 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → ((inv_g‘(SymGrp‘𝑁))‘𝑝) = ^◡𝑝)
84	83	fveq1d 6886	. . . . . . . . . . . 12 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → (((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦) = (^◡𝑝‘𝑦))
85	19, 4	symgbasf1o 19292	. . . . . . . . . . . . . . 15 ⊢ (𝑝 ∈ 𝑃 → 𝑝:𝑁–1-1-onto→𝑁)
86	85	adantl 481	. . . . . . . . . . . . . 14 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → 𝑝:𝑁–1-1-onto→𝑁)
87		f1ocnv 6838	. . . . . . . . . . . . . 14 ⊢ (𝑝:𝑁–1-1-onto→𝑁 → ^◡𝑝:𝑁–1-1-onto→𝑁)
88		f1of 6826	. . . . . . . . . . . . . 14 ⊢ (^◡𝑝:𝑁–1-1-onto→𝑁 → ^◡𝑝:𝑁⟶𝑁)
89	86, 87, 88	3syl 18	. . . . . . . . . . . . 13 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → ^◡𝑝:𝑁⟶𝑁)
90	89	ffvelcdmda 7079	. . . . . . . . . . . 12 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → (^◡𝑝‘𝑦) ∈ 𝑁)
91	84, 90	eqeltrd 2827	. . . . . . . . . . 11 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → (((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦) ∈ 𝑁)
92		simpr 484	. . . . . . . . . . 11 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → 𝑦 ∈ 𝑁)
93	82, 91, 92	fovcdmd 7575	. . . . . . . . . 10 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦) ∈ (Base‘𝑅))
94	93, 32	eleqtrdi 2837	. . . . . . . . 9 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦) ∈ (Base‘𝑈))
95	94	ralrimiva 3140	. . . . . . . 8 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → ∀𝑦 ∈ 𝑁 ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦) ∈ (Base‘𝑈))
96		eqid 2726	. . . . . . . 8 ⊢ (𝑦 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦)) = (𝑦 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦))
97	80, 81, 75, 95, 96, 86	gsummptfif1o 19886	. . . . . . 7 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦))) = (𝑈 Σ_g ((𝑦 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦)) ∘ 𝑝)))
98		f1of 6826	. . . . . . . . . . . 12 ⊢ (𝑝:𝑁–1-1-onto→𝑁 → 𝑝:𝑁⟶𝑁)
99	86, 98	syl 17	. . . . . . . . . . 11 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → 𝑝:𝑁⟶𝑁)
100	99	ffvelcdmda 7079	. . . . . . . . . 10 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑥 ∈ 𝑁) → (𝑝‘𝑥) ∈ 𝑁)
101	99	feqmptd 6953	. . . . . . . . . 10 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → 𝑝 = (𝑥 ∈ 𝑁 ↦ (𝑝‘𝑥)))
102		eqidd 2727	. . . . . . . . . 10 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → (𝑦 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦)) = (𝑦 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦)))
103		fveq2 6884	. . . . . . . . . . 11 ⊢ (𝑦 = (𝑝‘𝑥) → (((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦) = (((inv_g‘(SymGrp‘𝑁))‘𝑝)‘(𝑝‘𝑥)))
104		id 22	. . . . . . . . . . 11 ⊢ (𝑦 = (𝑝‘𝑥) → 𝑦 = (𝑝‘𝑥))
105	103, 104	oveq12d 7422	. . . . . . . . . 10 ⊢ (𝑦 = (𝑝‘𝑥) → ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦) = ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘(𝑝‘𝑥))𝑀(𝑝‘𝑥)))
106	100, 101, 102, 105	fmptco 7122	. . . . . . . . 9 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → ((𝑦 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦)) ∘ 𝑝) = (𝑥 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘(𝑝‘𝑥))𝑀(𝑝‘𝑥))))
107	71	ad2antlr 724	. . . . . . . . . . . . 13 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑥 ∈ 𝑁) → ((inv_g‘(SymGrp‘𝑁))‘𝑝) = ^◡𝑝)
108	107	fveq1d 6886	. . . . . . . . . . . 12 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑥 ∈ 𝑁) → (((inv_g‘(SymGrp‘𝑁))‘𝑝)‘(𝑝‘𝑥)) = (^◡𝑝‘(𝑝‘𝑥)))
109		f1ocnvfv1 7269	. . . . . . . . . . . . 13 ⊢ ((𝑝:𝑁–1-1-onto→𝑁 ∧ 𝑥 ∈ 𝑁) → (^◡𝑝‘(𝑝‘𝑥)) = 𝑥)
110	86, 109	sylan 579	. . . . . . . . . . . 12 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑥 ∈ 𝑁) → (^◡𝑝‘(𝑝‘𝑥)) = 𝑥)
111	108, 110	eqtrd 2766	. . . . . . . . . . 11 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑥 ∈ 𝑁) → (((inv_g‘(SymGrp‘𝑁))‘𝑝)‘(𝑝‘𝑥)) = 𝑥)
112	111	oveq1d 7419	. . . . . . . . . 10 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑥 ∈ 𝑁) → ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘(𝑝‘𝑥))𝑀(𝑝‘𝑥)) = (𝑥𝑀(𝑝‘𝑥)))
113	112	mpteq2dva 5241	. . . . . . . . 9 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → (𝑥 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘(𝑝‘𝑥))𝑀(𝑝‘𝑥))) = (𝑥 ∈ 𝑁 ↦ (𝑥𝑀(𝑝‘𝑥))))
114	106, 113	eqtrd 2766	. . . . . . . 8 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → ((𝑦 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦)) ∘ 𝑝) = (𝑥 ∈ 𝑁 ↦ (𝑥𝑀(𝑝‘𝑥))))
115	114	oveq2d 7420	. . . . . . 7 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → (𝑈 Σ_g ((𝑦 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦)) ∘ 𝑝)) = (𝑈 Σ_g (𝑥 ∈ 𝑁 ↦ (𝑥𝑀(𝑝‘𝑥)))))
116	97, 115	eqtrd 2766	. . . . . 6 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦))) = (𝑈 Σ_g (𝑥 ∈ 𝑁 ↦ (𝑥𝑀(𝑝‘𝑥)))))
117	79, 116	oveq12d 7422	. . . . 5 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → (((𝑌 ∘ 𝑆)‘((inv_g‘(SymGrp‘𝑁))‘𝑝)) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦)))) = (((𝑌 ∘ 𝑆)‘𝑝) · (𝑈 Σ_g (𝑥 ∈ 𝑁 ↦ (𝑥𝑀(𝑝‘𝑥))))))
118	117	mpteq2dva 5241	. . . 4 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝑝 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘((inv_g‘(SymGrp‘𝑁))‘𝑝)) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦))))) = (𝑝 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑝) · (𝑈 Σ_g (𝑥 ∈ 𝑁 ↦ (𝑥𝑀(𝑝‘𝑥)))))))
119	70, 118	eqtrd 2766	. . 3 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → ((𝑞 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑞) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦))))) ∘ (inv_g‘(SymGrp‘𝑁))) = (𝑝 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑝) · (𝑈 Σ_g (𝑥 ∈ 𝑁 ↦ (𝑥𝑀(𝑝‘𝑥)))))))
120	119	oveq2d 7420	. 2 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝑅 Σ_g ((𝑞 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑞) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦))))) ∘ (inv_g‘(SymGrp‘𝑁)))) = (𝑅 Σ_g (𝑝 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑝) · (𝑈 Σ_g (𝑥 ∈ 𝑁 ↦ (𝑥𝑀(𝑝‘𝑥))))))))
121	10, 58, 120	3eqtrd 2770	1 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝐷‘𝑀) = (𝑅 Σ_g (𝑝 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑝) · (𝑈 Σ_g (𝑥 ∈ 𝑁 ↦ (𝑥𝑀(𝑝‘𝑥))))))))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 = wceq 1533 ∈ wcel 2098 Vcvv 3468 ↦ cmpt 5224 × cxp 5667 ^◡ccnv 5668 ∘ ccom 5673 ⟶wf 6532 –1-1-onto→wf1o 6535 ‘cfv 6536 (class class class)co 7404 ↑_m cmap 8819 Fincfn 8938 Basecbs 17151 ._rcmulr 17205 Σ_g cgsu 17393 MndHom cmhm 18709 Grpcgrp 18861 inv_gcminusg 18862 SymGrpcsymg 19284 pmSgncpsgn 19407 CMndccmn 19698 mulGrpcmgp 20037 Ringcrg 20136 CRingccrg 20137 ℤRHomczrh 21382 Mat cmat 22258 maDet cmdat 22437

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2163 ax-ext 2697 ax-rep 5278 ax-sep 5292 ax-nul 5299 ax-pow 5356 ax-pr 5420 ax-un 7721 ax-cnex 11165 ax-resscn 11166 ax-1cn 11167 ax-icn 11168 ax-addcl 11169 ax-addrcl 11170 ax-mulcl 11171 ax-mulrcl 11172 ax-mulcom 11173 ax-addass 11174 ax-mulass 11175 ax-distr 11176 ax-i2m1 11177 ax-1ne0 11178 ax-1rid 11179 ax-rnegex 11180 ax-rrecex 11181 ax-cnre 11182 ax-pre-lttri 11183 ax-pre-lttrn 11184 ax-pre-ltadd 11185 ax-pre-mulgt0 11186 ax-addf 11188 ax-mulf 11189

This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1085 df-3an 1086 df-xor 1505 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2704 df-cleq 2718 df-clel 2804 df-nfc 2879 df-ne 2935 df-nel 3041 df-ral 3056 df-rex 3065 df-rmo 3370 df-reu 3371 df-rab 3427 df-v 3470 df-sbc 3773 df-csb 3889 df-dif 3946 df-un 3948 df-in 3950 df-ss 3960 df-pss 3962 df-nul 4318 df-if 4524 df-pw 4599 df-sn 4624 df-pr 4626 df-tp 4628 df-op 4630 df-ot 4632 df-uni 4903 df-int 4944 df-iun 4992 df-iin 4993 df-br 5142 df-opab 5204 df-mpt 5225 df-tr 5259 df-id 5567 df-eprel 5573 df-po 5581 df-so 5582 df-fr 5624 df-se 5625 df-we 5626 df-xp 5675 df-rel 5676 df-cnv 5677 df-co 5678 df-dm 5679 df-rn 5680 df-res 5681 df-ima 5682 df-pred 6293 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6488 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-isom 6545 df-riota 7360 df-ov 7407 df-oprab 7408 df-mpo 7409 df-om 7852 df-1st 7971 df-2nd 7972 df-supp 8144 df-tpos 8209 df-frecs 8264 df-wrecs 8295 df-recs 8369 df-rdg 8408 df-1o 8464 df-2o 8465 df-er 8702 df-map 8821 df-pm 8822 df-ixp 8891 df-en 8939 df-dom 8940 df-sdom 8941 df-fin 8942 df-fsupp 9361 df-sup 9436 df-oi 9504 df-card 9933 df-pnf 11251 df-mnf 11252 df-xr 11253 df-ltxr 11254 df-le 11255 df-sub 11447 df-neg 11448 df-div 11873 df-nn 12214 df-2 12276 df-3 12277 df-4 12278 df-5 12279 df-6 12280 df-7 12281 df-8 12282 df-9 12283 df-n0 12474 df-xnn0 12546 df-z 12560 df-dec 12679 df-uz 12824 df-rp 12978 df-fz 13488 df-fzo 13631 df-seq 13970 df-exp 14031 df-hash 14294 df-word 14469 df-lsw 14517 df-concat 14525 df-s1 14550 df-substr 14595 df-pfx 14625 df-splice 14704 df-reverse 14713 df-s2 14803 df-struct 17087 df-sets 17104 df-slot 17122 df-ndx 17134 df-base 17152 df-ress 17181 df-plusg 17217 df-mulr 17218 df-starv 17219 df-sca 17220 df-vsca 17221 df-ip 17222 df-tset 17223 df-ple 17224 df-ds 17226 df-unif 17227 df-hom 17228 df-cco 17229 df-0g 17394 df-gsum 17395 df-prds 17400 df-pws 17402 df-mre 17537 df-mrc 17538 df-acs 17540 df-mgm 18571 df-sgrp 18650 df-mnd 18666 df-mhm 18711 df-submnd 18712 df-efmnd 18792 df-grp 18864 df-minusg 18865 df-mulg 18994 df-subg 19048 df-ghm 19137 df-gim 19182 df-cntz 19231 df-oppg 19260 df-symg 19285 df-pmtr 19360 df-psgn 19409 df-cmn 19700 df-abl 19701 df-mgp 20038 df-rng 20056 df-ur 20085 df-ring 20138 df-cring 20139 df-oppr 20234 df-dvdsr 20257 df-unit 20258 df-invr 20288 df-dvr 20301 df-rhm 20372 df-subrng 20444 df-subrg 20469 df-drng 20587 df-sra 21019 df-rgmod 21020 df-cnfld 21237 df-zring 21330 df-zrh 21386 df-dsmm 21623 df-frlm 21638 df-mat 22259 df-mdet 22438

This theorem is referenced by: mdetrlin 22455 mdetrsca 22456 mdettpos 22464 smadiadet 22523

W3C validator