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Theorem mdetleib2 22510

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 22509	. . 3 ⊢ (𝑀 ∈ 𝐵 → (𝐷‘𝑀) = (𝑅 Σ_g (𝑞 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑞) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦)))))))
10	9	adantl 480	. 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 2728	. . 3 ⊢ (Base‘𝑅) = (Base‘𝑅)
12		crngring 20192	. . . . 5 ⊢ (𝑅 ∈ CRing → 𝑅 ∈ Ring)
13		ringcmn 20225	. . . . 5 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ CMnd)
14	12, 13	syl 17	. . . 4 ⊢ (𝑅 ∈ CRing → 𝑅 ∈ CMnd)
15	14	adantr 479	. . 3 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → 𝑅 ∈ CMnd)
16	2, 3	matrcl 22332	. . . . . 6 ⊢ (𝑀 ∈ 𝐵 → (𝑁 ∈ Fin ∧ 𝑅 ∈ V))
17	16	adantl 480	. . . . 5 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝑁 ∈ Fin ∧ 𝑅 ∈ V))
18	17	simpld 493	. . . 4 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → 𝑁 ∈ Fin)
19		eqid 2728	. . . . 5 ⊢ (SymGrp‘𝑁) = (SymGrp‘𝑁)
20	19, 4	symgbasfi 19340	. . . 4 ⊢ (𝑁 ∈ Fin → 𝑃 ∈ Fin)
21	18, 20	syl 17	. . 3 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → 𝑃 ∈ Fin)
22	12	ad2antrr 724	. . . . 5 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) → 𝑅 ∈ Ring)
23	5, 6	coeq12i 5870	. . . . . . . . 9 ⊢ (𝑌 ∘ 𝑆) = ((ℤRHom‘𝑅) ∘ (pmSgn‘𝑁))
24		zrhpsgnmhm 21523	. . . . . . . . 9 ⊢ ((𝑅 ∈ Ring ∧ 𝑁 ∈ Fin) → ((ℤRHom‘𝑅) ∘ (pmSgn‘𝑁)) ∈ ((SymGrp‘𝑁) MndHom (mulGrp‘𝑅)))
25	23, 24	eqeltrid 2833	. . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ 𝑁 ∈ Fin) → (𝑌 ∘ 𝑆) ∈ ((SymGrp‘𝑁) MndHom (mulGrp‘𝑅)))
26	12, 18, 25	syl2an2r 683	. . . . . . 7 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝑌 ∘ 𝑆) ∈ ((SymGrp‘𝑁) MndHom (mulGrp‘𝑅)))
27		eqid 2728	. . . . . . . . 9 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅)
28	27, 11	mgpbas 20087	. . . . . . . 8 ⊢ (Base‘𝑅) = (Base‘(mulGrp‘𝑅))
29	4, 28	mhmf 18753	. . . . . . 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 7099	. . . . 5 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) → ((𝑌 ∘ 𝑆)‘𝑞) ∈ (Base‘𝑅))
32	8, 11	mgpbas 20087	. . . . . 6 ⊢ (Base‘𝑅) = (Base‘𝑈)
33	8	crngmgp 20188	. . . . . . 7 ⊢ (𝑅 ∈ CRing → 𝑈 ∈ CMnd)
34	33	ad2antrr 724	. . . . . 6 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) → 𝑈 ∈ CMnd)
35	18	adantr 479	. . . . . 6 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) → 𝑁 ∈ Fin)
36		simpr 483	. . . . . . . . . 10 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → 𝑀 ∈ 𝐵)
37	2, 11, 3	matbas2i 22344	. . . . . . . . . 10 ⊢ (𝑀 ∈ 𝐵 → 𝑀 ∈ ((Base‘𝑅) ↑_m (𝑁 × 𝑁)))
38		elmapi 8874	. . . . . . . . . 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 724	. . . . . . . 8 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → 𝑀:(𝑁 × 𝑁)⟶(Base‘𝑅))
41	19, 4	symgbasf1o 19336	. . . . . . . . . . 11 ⊢ (𝑞 ∈ 𝑃 → 𝑞:𝑁–1-1-onto→𝑁)
42	41	adantl 480	. . . . . . . . . 10 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) → 𝑞:𝑁–1-1-onto→𝑁)
43		f1of 6844	. . . . . . . . . 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 7099	. . . . . . . 8 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → (𝑞‘𝑦) ∈ 𝑁)
46		simpr 483	. . . . . . . 8 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → 𝑦 ∈ 𝑁)
47	40, 45, 46	fovcdmd 7599	. . . . . . 7 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → ((𝑞‘𝑦)𝑀𝑦) ∈ (Base‘𝑅))
48	47	ralrimiva 3143	. . . . . 6 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) → ∀𝑦 ∈ 𝑁 ((𝑞‘𝑦)𝑀𝑦) ∈ (Base‘𝑅))
49	32, 34, 35, 48	gsummptcl 19929	. . . . 5 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑞 ∈ 𝑃) → (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦))) ∈ (Base‘𝑅))
50	11, 7	ringcl 20197	. . . . 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 3143	. . 3 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → ∀𝑞 ∈ 𝑃 (((𝑌 ∘ 𝑆)‘𝑞) · (𝑈 Σ_g (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦)))) ∈ (Base‘𝑅))
53		eqid 2728	. . 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 2728	. . . 4 ⊢ (inv_g‘(SymGrp‘𝑁)) = (inv_g‘(SymGrp‘𝑁))
55	19	symggrp 19362	. . . . 5 ⊢ (𝑁 ∈ Fin → (SymGrp‘𝑁) ∈ Grp)
56	18, 55	syl 17	. . . 4 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (SymGrp‘𝑁) ∈ Grp)
57	4, 54, 56	grpinvf1o 18972	. . 3 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (inv_g‘(SymGrp‘𝑁)):𝑃–1-1-onto→𝑃)
58	11, 15, 21, 52, 53, 57	gsummptfif1o 19930	. 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 6844	. . . . . . 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 7099	. . . . 5 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → ((inv_g‘(SymGrp‘𝑁))‘𝑝) ∈ 𝑃)
62	60	feqmptd 6972	. . . . 5 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (inv_g‘(SymGrp‘𝑁)) = (𝑝 ∈ 𝑃 ↦ ((inv_g‘(SymGrp‘𝑁))‘𝑝)))
63		eqidd 2729	. . . . 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 6902	. . . . . 6 ⊢ (𝑞 = ((inv_g‘(SymGrp‘𝑁))‘𝑝) → ((𝑌 ∘ 𝑆)‘𝑞) = ((𝑌 ∘ 𝑆)‘((inv_g‘(SymGrp‘𝑁))‘𝑝)))
65		fveq1 6901	. . . . . . . . 9 ⊢ (𝑞 = ((inv_g‘(SymGrp‘𝑁))‘𝑝) → (𝑞‘𝑦) = (((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦))
66	65	oveq1d 7441	. . . . . . . 8 ⊢ (𝑞 = ((inv_g‘(SymGrp‘𝑁))‘𝑝) → ((𝑞‘𝑦)𝑀𝑦) = ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦))
67	66	mpteq2dv 5254	. . . . . . 7 ⊢ (𝑞 = ((inv_g‘(SymGrp‘𝑁))‘𝑝) → (𝑦 ∈ 𝑁 ↦ ((𝑞‘𝑦)𝑀𝑦)) = (𝑦 ∈ 𝑁 ↦ ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦)))
68	67	oveq2d 7442	. . . . . 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 7444	. . . . 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 7144	. . . 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 19364	. . . . . . . . 9 ⊢ (𝑝 ∈ 𝑃 → ((inv_g‘(SymGrp‘𝑁))‘𝑝) = ^◡𝑝)
72	71	adantl 480	. . . . . . . 8 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → ((inv_g‘(SymGrp‘𝑁))‘𝑝) = ^◡𝑝)
73	72	fveq2d 6906	. . . . . . 7 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → ((𝑌 ∘ 𝑆)‘((inv_g‘(SymGrp‘𝑁))‘𝑝)) = ((𝑌 ∘ 𝑆)‘^◡𝑝))
74	12	ad2antrr 724	. . . . . . . 8 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → 𝑅 ∈ Ring)
75	18	adantr 479	. . . . . . . 8 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → 𝑁 ∈ Fin)
76		simpr 483	. . . . . . . 8 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → 𝑝 ∈ 𝑃)
77	4, 5, 6	zrhpsgninv 21524	. . . . . . . 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 2768	. . . . . 6 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → ((𝑌 ∘ 𝑆)‘((inv_g‘(SymGrp‘𝑁))‘𝑝)) = ((𝑌 ∘ 𝑆)‘𝑝))
80		eqid 2728	. . . . . . . 8 ⊢ (Base‘𝑈) = (Base‘𝑈)
81	33	ad2antrr 724	. . . . . . . 8 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → 𝑈 ∈ CMnd)
82	39	ad2antrr 724	. . . . . . . . . . 11 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → 𝑀:(𝑁 × 𝑁)⟶(Base‘𝑅))
83	71	ad2antlr 725	. . . . . . . . . . . . 13 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → ((inv_g‘(SymGrp‘𝑁))‘𝑝) = ^◡𝑝)
84	83	fveq1d 6904	. . . . . . . . . . . 12 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → (((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦) = (^◡𝑝‘𝑦))
85	19, 4	symgbasf1o 19336	. . . . . . . . . . . . . . 15 ⊢ (𝑝 ∈ 𝑃 → 𝑝:𝑁–1-1-onto→𝑁)
86	85	adantl 480	. . . . . . . . . . . . . 14 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → 𝑝:𝑁–1-1-onto→𝑁)
87		f1ocnv 6856	. . . . . . . . . . . . . 14 ⊢ (𝑝:𝑁–1-1-onto→𝑁 → ^◡𝑝:𝑁–1-1-onto→𝑁)
88		f1of 6844	. . . . . . . . . . . . . 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 7099	. . . . . . . . . . . 12 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → (^◡𝑝‘𝑦) ∈ 𝑁)
91	84, 90	eqeltrd 2829	. . . . . . . . . . 11 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → (((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦) ∈ 𝑁)
92		simpr 483	. . . . . . . . . . 11 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → 𝑦 ∈ 𝑁)
93	82, 91, 92	fovcdmd 7599	. . . . . . . . . 10 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦) ∈ (Base‘𝑅))
94	93, 32	eleqtrdi 2839	. . . . . . . . 9 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑦 ∈ 𝑁) → ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦) ∈ (Base‘𝑈))
95	94	ralrimiva 3143	. . . . . . . 8 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → ∀𝑦 ∈ 𝑁 ((((inv_g‘(SymGrp‘𝑁))‘𝑝)‘𝑦)𝑀𝑦) ∈ (Base‘𝑈))
96		eqid 2728	. . . . . . . 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 19930	. . . . . . 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 6844	. . . . . . . . . . . 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 7099	. . . . . . . . . 10 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑥 ∈ 𝑁) → (𝑝‘𝑥) ∈ 𝑁)
101	99	feqmptd 6972	. . . . . . . . . 10 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) → 𝑝 = (𝑥 ∈ 𝑁 ↦ (𝑝‘𝑥)))
102		eqidd 2729	. . . . . . . . . 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 6902	. . . . . . . . . . 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 7444	. . . . . . . . . 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 7144	. . . . . . . . 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 725	. . . . . . . . . . . . 13 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑥 ∈ 𝑁) → ((inv_g‘(SymGrp‘𝑁))‘𝑝) = ^◡𝑝)
108	107	fveq1d 6904	. . . . . . . . . . . 12 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑥 ∈ 𝑁) → (((inv_g‘(SymGrp‘𝑁))‘𝑝)‘(𝑝‘𝑥)) = (^◡𝑝‘(𝑝‘𝑥)))
109		f1ocnvfv1 7291	. . . . . . . . . . . . 13 ⊢ ((𝑝:𝑁–1-1-onto→𝑁 ∧ 𝑥 ∈ 𝑁) → (^◡𝑝‘(𝑝‘𝑥)) = 𝑥)
110	86, 109	sylan 578	. . . . . . . . . . . 12 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑥 ∈ 𝑁) → (^◡𝑝‘(𝑝‘𝑥)) = 𝑥)
111	108, 110	eqtrd 2768	. . . . . . . . . . 11 ⊢ ((((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑝 ∈ 𝑃) ∧ 𝑥 ∈ 𝑁) → (((inv_g‘(SymGrp‘𝑁))‘𝑝)‘(𝑝‘𝑥)) = 𝑥)
112	111	oveq1d 7441	. . . . . . . . . 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 5252	. . . . . . . . 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 2768	. . . . . . . 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 7442	. . . . . . 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 2768	. . . . . 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 7444	. . . . 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 5252	. . . 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 2768	. . 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 7442	. 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 2772	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 394 = wceq 1533 ∈ wcel 2098 Vcvv 3473 ↦ cmpt 5235 × cxp 5680 ^◡ccnv 5681 ∘ ccom 5686 ⟶wf 6549 –1-1-onto→wf1o 6552 ‘cfv 6553 (class class class)co 7426 ↑_m cmap 8851 Fincfn 8970 Basecbs 17187 ._rcmulr 17241 Σ_g cgsu 17429 MndHom cmhm 18745 Grpcgrp 18897 inv_gcminusg 18898 SymGrpcsymg 19328 pmSgncpsgn 19451 CMndccmn 19742 mulGrpcmgp 20081 Ringcrg 20180 CRingccrg 20181 ℤRHomczrh 21432 Mat cmat 22327 maDet cmdat 22506

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 2166 ax-ext 2699 ax-rep 5289 ax-sep 5303 ax-nul 5310 ax-pow 5369 ax-pr 5433 ax-un 7746 ax-cnex 11202 ax-resscn 11203 ax-1cn 11204 ax-icn 11205 ax-addcl 11206 ax-addrcl 11207 ax-mulcl 11208 ax-mulrcl 11209 ax-mulcom 11210 ax-addass 11211 ax-mulass 11212 ax-distr 11213 ax-i2m1 11214 ax-1ne0 11215 ax-1rid 11216 ax-rnegex 11217 ax-rrecex 11218 ax-cnre 11219 ax-pre-lttri 11220 ax-pre-lttrn 11221 ax-pre-ltadd 11222 ax-pre-mulgt0 11223 ax-addf 11225 ax-mulf 11226

This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 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 2529 df-eu 2558 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-rmo 3374 df-reu 3375 df-rab 3431 df-v 3475 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-pss 3968 df-nul 4327 df-if 4533 df-pw 4608 df-sn 4633 df-pr 4635 df-tp 4637 df-op 4639 df-ot 4641 df-uni 4913 df-int 4954 df-iun 5002 df-iin 5003 df-br 5153 df-opab 5215 df-mpt 5236 df-tr 5270 df-id 5580 df-eprel 5586 df-po 5594 df-so 5595 df-fr 5637 df-se 5638 df-we 5639 df-xp 5688 df-rel 5689 df-cnv 5690 df-co 5691 df-dm 5692 df-rn 5693 df-res 5694 df-ima 5695 df-pred 6310 df-ord 6377 df-on 6378 df-lim 6379 df-suc 6380 df-iota 6505 df-fun 6555 df-fn 6556 df-f 6557 df-f1 6558 df-fo 6559 df-f1o 6560 df-fv 6561 df-isom 6562 df-riota 7382 df-ov 7429 df-oprab 7430 df-mpo 7431 df-om 7877 df-1st 7999 df-2nd 8000 df-supp 8172 df-tpos 8238 df-frecs 8293 df-wrecs 8324 df-recs 8398 df-rdg 8437 df-1o 8493 df-2o 8494 df-er 8731 df-map 8853 df-pm 8854 df-ixp 8923 df-en 8971 df-dom 8972 df-sdom 8973 df-fin 8974 df-fsupp 9394 df-sup 9473 df-oi 9541 df-card 9970 df-pnf 11288 df-mnf 11289 df-xr 11290 df-ltxr 11291 df-le 11292 df-sub 11484 df-neg 11485 df-div 11910 df-nn 12251 df-2 12313 df-3 12314 df-4 12315 df-5 12316 df-6 12317 df-7 12318 df-8 12319 df-9 12320 df-n0 12511 df-xnn0 12583 df-z 12597 df-dec 12716 df-uz 12861 df-rp 13015 df-fz 13525 df-fzo 13668 df-seq 14007 df-exp 14067 df-hash 14330 df-word 14505 df-lsw 14553 df-concat 14561 df-s1 14586 df-substr 14631 df-pfx 14661 df-splice 14740 df-reverse 14749 df-s2 14839 df-struct 17123 df-sets 17140 df-slot 17158 df-ndx 17170 df-base 17188 df-ress 17217 df-plusg 17253 df-mulr 17254 df-starv 17255 df-sca 17256 df-vsca 17257 df-ip 17258 df-tset 17259 df-ple 17260 df-ds 17262 df-unif 17263 df-hom 17264 df-cco 17265 df-0g 17430 df-gsum 17431 df-prds 17436 df-pws 17438 df-mre 17573 df-mrc 17574 df-acs 17576 df-mgm 18607 df-sgrp 18686 df-mnd 18702 df-mhm 18747 df-submnd 18748 df-efmnd 18828 df-grp 18900 df-minusg 18901 df-mulg 19031 df-subg 19085 df-ghm 19175 df-gim 19220 df-cntz 19275 df-oppg 19304 df-symg 19329 df-pmtr 19404 df-psgn 19453 df-cmn 19744 df-abl 19745 df-mgp 20082 df-rng 20100 df-ur 20129 df-ring 20182 df-cring 20183 df-oppr 20280 df-dvdsr 20303 df-unit 20304 df-invr 20334 df-dvr 20347 df-rhm 20418 df-subrng 20490 df-subrg 20515 df-drng 20633 df-sra 21065 df-rgmod 21066 df-cnfld 21287 df-zring 21380 df-zrh 21436 df-dsmm 21673 df-frlm 21688 df-mat 22328 df-mdet 22507

This theorem is referenced by: mdetrlin 22524 mdetrsca 22525 mdettpos 22533 smadiadet 22592

W3C validator