aks6d1c6isolem2 - Mathbox for metakunt

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Theorem aks6d1c6isolem2 42660

Description: Lemma to construct the group homomorphism for the AKS Theorem. (Contributed by metakunt, 14-May-2025.)

**Hypotheses**
Ref	Expression
aks6d1c6isolem1.1	⊢ (𝜑 → 𝑅 ∈ CMnd)
aks6d1c6isolem1.2	⊢ (𝜑 → 𝐾 ∈ ℕ)
aks6d1c6isolem1.3	⊢ 𝑈 = {𝑎 ∈ (Base‘𝑅) ∣ ∃𝑖 ∈ (Base‘𝑅)(𝑖(+_g‘𝑅)𝑎) = (0_g‘𝑅)}
aks6d1c6isolem1.4	⊢ 𝐹 = (𝑥 ∈ ℤ ↦ (𝑥(._g‘(𝑅 ↾_s 𝑈))𝑀))
aks6d1c6isolem1.5	⊢ (𝜑 → 𝑀 ∈ (𝑅 PrimRoots 𝐾))

**Assertion**
Ref	Expression
aks6d1c6isolem2	⊢ (𝜑 → 𝐹 ∈ (ℤ_ring GrpHom ((𝑅 ↾_s 𝑈) ↾_s ran 𝐹)))

Distinct variable groups: 𝑥,𝑀 𝑅,𝑎,𝑖 𝑥,𝑅 𝑥,𝑈 𝜑,𝑥 Allowed substitution hints: 𝜑(𝑖,𝑎) 𝑈(𝑖,𝑎) 𝐹(𝑥,𝑖,𝑎) 𝐾(𝑥,𝑖,𝑎) 𝑀(𝑖,𝑎)

Proof of Theorem aks6d1c6isolem2 Dummy variables 𝑣 𝑤 𝑧 𝑦 𝑙 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		zringbas 21428	. 2 ⊢ ℤ = (Base‘ℤ_ring)
2		eqid 2739	. 2 ⊢ (Base‘((𝑅 ↾_s 𝑈) ↾_s ran 𝐹)) = (Base‘((𝑅 ↾_s 𝑈) ↾_s ran 𝐹))
3		zringplusg 21429	. 2 ⊢ + = (+_g‘ℤ_ring)
4		aks6d1c6isolem1.4	. . . . 5 ⊢ 𝐹 = (𝑥 ∈ ℤ ↦ (𝑥(._g‘(𝑅 ↾_s 𝑈))𝑀))
5		zex 12524	. . . . . 6 ⊢ ℤ ∈ V
6	5	mptex 7167	. . . . 5 ⊢ (𝑥 ∈ ℤ ↦ (𝑥(._g‘(𝑅 ↾_s 𝑈))𝑀)) ∈ V
7	4, 6	eqeltri 2835	. . . 4 ⊢ 𝐹 ∈ V
8	7	rnex 7850	. . 3 ⊢ ran 𝐹 ∈ V
9		eqid 2739	. . . 4 ⊢ ((𝑅 ↾_s 𝑈) ↾_s ran 𝐹) = ((𝑅 ↾_s 𝑈) ↾_s ran 𝐹)
10		eqid 2739	. . . 4 ⊢ (+_g‘(𝑅 ↾_s 𝑈)) = (+_g‘(𝑅 ↾_s 𝑈))
11	9, 10	ressplusg 17245	. . 3 ⊢ (ran 𝐹 ∈ V → (+_g‘(𝑅 ↾_s 𝑈)) = (+_g‘((𝑅 ↾_s 𝑈) ↾_s ran 𝐹)))
12	8, 11	ax-mp 5	. 2 ⊢ (+_g‘(𝑅 ↾_s 𝑈)) = (+_g‘((𝑅 ↾_s 𝑈) ↾_s ran 𝐹))
13		zringring 21424	. . . 4 ⊢ ℤ_ring ∈ Ring
14	13	a1i 11	. . 3 ⊢ (𝜑 → ℤ_ring ∈ Ring)
15		ringgrp 20210	. . 3 ⊢ (ℤ_ring ∈ Ring → ℤ_ring ∈ Grp)
16	14, 15	syl 17	. 2 ⊢ (𝜑 → ℤ_ring ∈ Grp)
17		aks6d1c6isolem1.1	. . 3 ⊢ (𝜑 → 𝑅 ∈ CMnd)
18		aks6d1c6isolem1.2	. . 3 ⊢ (𝜑 → 𝐾 ∈ ℕ)
19		aks6d1c6isolem1.3	. . 3 ⊢ 𝑈 = {𝑎 ∈ (Base‘𝑅) ∣ ∃𝑖 ∈ (Base‘𝑅)(𝑖(+_g‘𝑅)𝑎) = (0_g‘𝑅)}
20		aks6d1c6isolem1.5	. . 3 ⊢ (𝜑 → 𝑀 ∈ (𝑅 PrimRoots 𝐾))
21	17, 18, 19, 4, 20	aks6d1c6isolem1 42659	. 2 ⊢ (𝜑 → ((𝑅 ↾_s 𝑈) ↾_s ran 𝐹) ∈ Grp)
22		ovexd 7391	. . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ ℤ) → (𝑥(._g‘(𝑅 ↾_s 𝑈))𝑀) ∈ V)
23	22, 4	fmptd 7055	. . . . 5 ⊢ (𝜑 → 𝐹:ℤ⟶V)
24		ffn 6655	. . . . 5 ⊢ (𝐹:ℤ⟶V → 𝐹 Fn ℤ)
25	23, 24	syl 17	. . . 4 ⊢ (𝜑 → 𝐹 Fn ℤ)
26		dffn3 6667	. . . 4 ⊢ (𝐹 Fn ℤ ↔ 𝐹:ℤ⟶ran 𝐹)
27	25, 26	sylib 219	. . 3 ⊢ (𝜑 → 𝐹:ℤ⟶ran 𝐹)
28		fvelrnb 6887	. . . . . . . . . . 11 ⊢ (𝐹 Fn ℤ → (𝑤 ∈ ran 𝐹 ↔ ∃𝑣 ∈ ℤ (𝐹‘𝑣) = 𝑤))
29	25, 28	syl 17	. . . . . . . . . 10 ⊢ (𝜑 → (𝑤 ∈ ran 𝐹 ↔ ∃𝑣 ∈ ℤ (𝐹‘𝑣) = 𝑤))
30	29	biimpd 230	. . . . . . . . 9 ⊢ (𝜑 → (𝑤 ∈ ran 𝐹 → ∃𝑣 ∈ ℤ (𝐹‘𝑣) = 𝑤))
31	30	imp 407	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑤 ∈ ran 𝐹) → ∃𝑣 ∈ ℤ (𝐹‘𝑣) = 𝑤)
32		simpr 485	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ ∃𝑣 ∈ ℤ (𝐹‘𝑣) = 𝑤) ∧ 𝑧 ∈ ℤ) ∧ (𝐹‘𝑧) = 𝑤) → (𝐹‘𝑧) = 𝑤)
33	32	eqcomd 2745	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ ∃𝑣 ∈ ℤ (𝐹‘𝑣) = 𝑤) ∧ 𝑧 ∈ ℤ) ∧ (𝐹‘𝑧) = 𝑤) → 𝑤 = (𝐹‘𝑧))
34		simplll 780	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ ∃𝑣 ∈ ℤ (𝐹‘𝑣) = 𝑤) ∧ 𝑧 ∈ ℤ) ∧ (𝐹‘𝑧) = 𝑤) → 𝜑)
35		simplr 774	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ ∃𝑣 ∈ ℤ (𝐹‘𝑣) = 𝑤) ∧ 𝑧 ∈ ℤ) ∧ (𝐹‘𝑧) = 𝑤) → 𝑧 ∈ ℤ)
36	34, 35	jca 516	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ ∃𝑣 ∈ ℤ (𝐹‘𝑣) = 𝑤) ∧ 𝑧 ∈ ℤ) ∧ (𝐹‘𝑧) = 𝑤) → (𝜑 ∧ 𝑧 ∈ ℤ))
37	4	a1i 11	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑧 ∈ ℤ) → 𝐹 = (𝑥 ∈ ℤ ↦ (𝑥(._g‘(𝑅 ↾_s 𝑈))𝑀)))
38		simpr 485	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑧 ∈ ℤ) ∧ 𝑥 = 𝑧) → 𝑥 = 𝑧)
39	38	oveq1d 7371	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑧 ∈ ℤ) ∧ 𝑥 = 𝑧) → (𝑥(._g‘(𝑅 ↾_s 𝑈))𝑀) = (𝑧(._g‘(𝑅 ↾_s 𝑈))𝑀))
40		simpr 485	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑧 ∈ ℤ) → 𝑧 ∈ ℤ)
41		ovexd 7391	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑧 ∈ ℤ) → (𝑧(._g‘(𝑅 ↾_s 𝑈))𝑀) ∈ V)
42	37, 39, 40, 41	fvmptd 6943	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑧 ∈ ℤ) → (𝐹‘𝑧) = (𝑧(._g‘(𝑅 ↾_s 𝑈))𝑀))
43		eqid 2739	. . . . . . . . . . . . . . . 16 ⊢ (Base‘(𝑅 ↾_s 𝑈)) = (Base‘(𝑅 ↾_s 𝑈))
44		eqid 2739	. . . . . . . . . . . . . . . 16 ⊢ (._g‘(𝑅 ↾_s 𝑈)) = (._g‘(𝑅 ↾_s 𝑈))
45	17, 18, 19	primrootsunit 42583	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → ((𝑅 PrimRoots 𝐾) = ((𝑅 ↾_s 𝑈) PrimRoots 𝐾) ∧ (𝑅 ↾_s 𝑈) ∈ Abel))
46	45	simprd 496	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → (𝑅 ↾_s 𝑈) ∈ Abel)
47	46	ablgrpd 19752	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (𝑅 ↾_s 𝑈) ∈ Grp)
48	47	adantr 481	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑧 ∈ ℤ) → (𝑅 ↾_s 𝑈) ∈ Grp)
49	45	simpld 495	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝜑 → (𝑅 PrimRoots 𝐾) = ((𝑅 ↾_s 𝑈) PrimRoots 𝐾))
50	20, 49	eleqtrd 2841	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → 𝑀 ∈ ((𝑅 ↾_s 𝑈) PrimRoots 𝐾))
51	46	ablcmnd 19754	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝜑 → (𝑅 ↾_s 𝑈) ∈ CMnd)
52	18	nnnn0d 12489	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝜑 → 𝐾 ∈ ℕ₀)
53	51, 52, 44	isprimroot 42578	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝜑 → (𝑀 ∈ ((𝑅 ↾_s 𝑈) PrimRoots 𝐾) ↔ (𝑀 ∈ (Base‘(𝑅 ↾_s 𝑈)) ∧ (𝐾(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)) ∧ ∀𝑙 ∈ ℕ₀ ((𝑙(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)) → 𝐾 ∥ 𝑙))))
54	53	biimpd 230	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → (𝑀 ∈ ((𝑅 ↾_s 𝑈) PrimRoots 𝐾) → (𝑀 ∈ (Base‘(𝑅 ↾_s 𝑈)) ∧ (𝐾(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)) ∧ ∀𝑙 ∈ ℕ₀ ((𝑙(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)) → 𝐾 ∥ 𝑙))))
55	50, 54	mpd 15	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → (𝑀 ∈ (Base‘(𝑅 ↾_s 𝑈)) ∧ (𝐾(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)) ∧ ∀𝑙 ∈ ℕ₀ ((𝑙(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)) → 𝐾 ∥ 𝑙)))
56	55	simp1d 1148	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 𝑀 ∈ (Base‘(𝑅 ↾_s 𝑈)))
57	56	adantr 481	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑧 ∈ ℤ) → 𝑀 ∈ (Base‘(𝑅 ↾_s 𝑈)))
58	43, 44, 48, 40, 57	mulgcld 19063	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑧 ∈ ℤ) → (𝑧(._g‘(𝑅 ↾_s 𝑈))𝑀) ∈ (Base‘(𝑅 ↾_s 𝑈)))
59	42, 58	eqeltrd 2839	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑧 ∈ ℤ) → (𝐹‘𝑧) ∈ (Base‘(𝑅 ↾_s 𝑈)))
60	36, 59	syl 17	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ ∃𝑣 ∈ ℤ (𝐹‘𝑣) = 𝑤) ∧ 𝑧 ∈ ℤ) ∧ (𝐹‘𝑧) = 𝑤) → (𝐹‘𝑧) ∈ (Base‘(𝑅 ↾_s 𝑈)))
61	33, 60	eqeltrd 2839	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ ∃𝑣 ∈ ℤ (𝐹‘𝑣) = 𝑤) ∧ 𝑧 ∈ ℤ) ∧ (𝐹‘𝑧) = 𝑤) → 𝑤 ∈ (Base‘(𝑅 ↾_s 𝑈)))
62		nfv 1921	. . . . . . . . . . . . . 14 ⊢ Ⅎ𝑧(𝐹‘𝑣) = 𝑤
63		nfv 1921	. . . . . . . . . . . . . 14 ⊢ Ⅎ𝑣(𝐹‘𝑧) = 𝑤
64		fveqeq2 6836	. . . . . . . . . . . . . 14 ⊢ (𝑣 = 𝑧 → ((𝐹‘𝑣) = 𝑤 ↔ (𝐹‘𝑧) = 𝑤))
65	62, 63, 64	cbvrexw 3282	. . . . . . . . . . . . 13 ⊢ (∃𝑣 ∈ ℤ (𝐹‘𝑣) = 𝑤 ↔ ∃𝑧 ∈ ℤ (𝐹‘𝑧) = 𝑤)
66	65	bilani 505	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ ∃𝑣 ∈ ℤ (𝐹‘𝑣) = 𝑤) → ∃𝑧 ∈ ℤ (𝐹‘𝑧) = 𝑤)
67	61, 66	r19.29a 3147	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ∃𝑣 ∈ ℤ (𝐹‘𝑣) = 𝑤) → 𝑤 ∈ (Base‘(𝑅 ↾_s 𝑈)))
68	67	ex 413	. . . . . . . . . 10 ⊢ (𝜑 → (∃𝑣 ∈ ℤ (𝐹‘𝑣) = 𝑤 → 𝑤 ∈ (Base‘(𝑅 ↾_s 𝑈))))
69	68	adantr 481	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑤 ∈ ran 𝐹) → (∃𝑣 ∈ ℤ (𝐹‘𝑣) = 𝑤 → 𝑤 ∈ (Base‘(𝑅 ↾_s 𝑈))))
70	69	imp 407	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑤 ∈ ran 𝐹) ∧ ∃𝑣 ∈ ℤ (𝐹‘𝑣) = 𝑤) → 𝑤 ∈ (Base‘(𝑅 ↾_s 𝑈)))
71	31, 70	mpdan 693	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑤 ∈ ran 𝐹) → 𝑤 ∈ (Base‘(𝑅 ↾_s 𝑈)))
72	71	ex 413	. . . . . 6 ⊢ (𝜑 → (𝑤 ∈ ran 𝐹 → 𝑤 ∈ (Base‘(𝑅 ↾_s 𝑈))))
73	72	ssrdv 3921	. . . . 5 ⊢ (𝜑 → ran 𝐹 ⊆ (Base‘(𝑅 ↾_s 𝑈)))
74	9, 43	ressbas2 17199	. . . . 5 ⊢ (ran 𝐹 ⊆ (Base‘(𝑅 ↾_s 𝑈)) → ran 𝐹 = (Base‘((𝑅 ↾_s 𝑈) ↾_s ran 𝐹)))
75	73, 74	syl 17	. . . 4 ⊢ (𝜑 → ran 𝐹 = (Base‘((𝑅 ↾_s 𝑈) ↾_s ran 𝐹)))
76	75	feq3d 6640	. . 3 ⊢ (𝜑 → (𝐹:ℤ⟶ran 𝐹 ↔ 𝐹:ℤ⟶(Base‘((𝑅 ↾_s 𝑈) ↾_s ran 𝐹))))
77	27, 76	mpbid 233	. 2 ⊢ (𝜑 → 𝐹:ℤ⟶(Base‘((𝑅 ↾_s 𝑈) ↾_s ran 𝐹)))
78	4	a1i 11	. . . 4 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → 𝐹 = (𝑥 ∈ ℤ ↦ (𝑥(._g‘(𝑅 ↾_s 𝑈))𝑀)))
79		simpr 485	. . . . 5 ⊢ (((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) ∧ 𝑥 = (𝑦 + 𝑧)) → 𝑥 = (𝑦 + 𝑧))
80	79	oveq1d 7371	. . . 4 ⊢ (((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) ∧ 𝑥 = (𝑦 + 𝑧)) → (𝑥(._g‘(𝑅 ↾_s 𝑈))𝑀) = ((𝑦 + 𝑧)(._g‘(𝑅 ↾_s 𝑈))𝑀))
81		simprl 776	. . . . 5 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → 𝑦 ∈ ℤ)
82		simprr 778	. . . . 5 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → 𝑧 ∈ ℤ)
83	81, 82	zaddcld 12628	. . . 4 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → (𝑦 + 𝑧) ∈ ℤ)
84		ovexd 7391	. . . 4 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → ((𝑦 + 𝑧)(._g‘(𝑅 ↾_s 𝑈))𝑀) ∈ V)
85	78, 80, 83, 84	fvmptd 6943	. . 3 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → (𝐹‘(𝑦 + 𝑧)) = ((𝑦 + 𝑧)(._g‘(𝑅 ↾_s 𝑈))𝑀))
86	47	adantr 481	. . . . 5 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → (𝑅 ↾_s 𝑈) ∈ Grp)
87	56	adantr 481	. . . . . 6 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → 𝑀 ∈ (Base‘(𝑅 ↾_s 𝑈)))
88	81, 82, 87	3jca 1134	. . . . 5 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ ∧ 𝑀 ∈ (Base‘(𝑅 ↾_s 𝑈))))
89	43, 44, 10	mulgdir 19073	. . . . 5 ⊢ (((𝑅 ↾_s 𝑈) ∈ Grp ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ ∧ 𝑀 ∈ (Base‘(𝑅 ↾_s 𝑈)))) → ((𝑦 + 𝑧)(._g‘(𝑅 ↾_s 𝑈))𝑀) = ((𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀)(+_g‘(𝑅 ↾_s 𝑈))(𝑧(._g‘(𝑅 ↾_s 𝑈))𝑀)))
90	86, 88, 89	syl2anc 590	. . . 4 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → ((𝑦 + 𝑧)(._g‘(𝑅 ↾_s 𝑈))𝑀) = ((𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀)(+_g‘(𝑅 ↾_s 𝑈))(𝑧(._g‘(𝑅 ↾_s 𝑈))𝑀)))
91		simpr 485	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) ∧ 𝑥 = 𝑦) → 𝑥 = 𝑦)
92	91	oveq1d 7371	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) ∧ 𝑥 = 𝑦) → (𝑥(._g‘(𝑅 ↾_s 𝑈))𝑀) = (𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀))
93		ovexd 7391	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → (𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀) ∈ V)
94	78, 92, 81, 93	fvmptd 6943	. . . . . 6 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → (𝐹‘𝑦) = (𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀))
95		simpr 485	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) ∧ 𝑥 = 𝑧) → 𝑥 = 𝑧)
96	95	oveq1d 7371	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) ∧ 𝑥 = 𝑧) → (𝑥(._g‘(𝑅 ↾_s 𝑈))𝑀) = (𝑧(._g‘(𝑅 ↾_s 𝑈))𝑀))
97		ovexd 7391	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → (𝑧(._g‘(𝑅 ↾_s 𝑈))𝑀) ∈ V)
98	78, 96, 82, 97	fvmptd 6943	. . . . . 6 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → (𝐹‘𝑧) = (𝑧(._g‘(𝑅 ↾_s 𝑈))𝑀))
99	94, 98	oveq12d 7374	. . . . 5 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → ((𝐹‘𝑦)(+_g‘(𝑅 ↾_s 𝑈))(𝐹‘𝑧)) = ((𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀)(+_g‘(𝑅 ↾_s 𝑈))(𝑧(._g‘(𝑅 ↾_s 𝑈))𝑀)))
100	99	eqcomd 2745	. . . 4 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → ((𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀)(+_g‘(𝑅 ↾_s 𝑈))(𝑧(._g‘(𝑅 ↾_s 𝑈))𝑀)) = ((𝐹‘𝑦)(+_g‘(𝑅 ↾_s 𝑈))(𝐹‘𝑧)))
101	90, 100	eqtrd 2774	. . 3 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → ((𝑦 + 𝑧)(._g‘(𝑅 ↾_s 𝑈))𝑀) = ((𝐹‘𝑦)(+_g‘(𝑅 ↾_s 𝑈))(𝐹‘𝑧)))
102	85, 101	eqtrd 2774	. 2 ⊢ ((𝜑 ∧ (𝑦 ∈ ℤ ∧ 𝑧 ∈ ℤ)) → (𝐹‘(𝑦 + 𝑧)) = ((𝐹‘𝑦)(+_g‘(𝑅 ↾_s 𝑈))(𝐹‘𝑧)))
103	1, 2, 3, 12, 16, 21, 77, 102	isghmd 19191	1 ⊢ (𝜑 → 𝐹 ∈ (ℤ_ring GrpHom ((𝑅 ↾_s 𝑈) ↾_s ran 𝐹)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 207 ∧ wa 396 ∧ w3a 1092 = wceq 1547 ∈ wcel 2119 ∀wral 3053 ∃wrex 3063 {crab 3391 Vcvv 3431 ⊆ wss 3883 class class class wbr 5072 ↦ cmpt 5153 ran crn 5619 Fn wfn 6480 ⟶wf 6481 ‘cfv 6485 (class class class)co 7356 + caddc 11032 ℕcn 12165 ℕ₀cn0 12428 ℤcz 12515 ∥ cdvds 16212 Basecbs 17170 ↾_s cress 17191 +_gcplusg 17211 0_gc0g 17393 Grpcgrp 18900 ._gcmg 19034 GrpHom cghm 19178 CMndccmn 19746 Abelcabl 19747 Ringcrg 20205 ℤ_ringczring 21421 PrimRoots cprimroots 42576

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-rep 5199 ax-sep 5218 ax-nul 5228 ax-pow 5294 ax-pr 5362 ax-un 7678 ax-cnex 11085 ax-resscn 11086 ax-1cn 11087 ax-icn 11088 ax-addcl 11089 ax-addrcl 11090 ax-mulcl 11091 ax-mulrcl 11092 ax-mulcom 11093 ax-addass 11094 ax-mulass 11095 ax-distr 11096 ax-i2m1 11097 ax-1ne0 11098 ax-1rid 11099 ax-rnegex 11100 ax-rrecex 11101 ax-cnre 11102 ax-pre-lttri 11103 ax-pre-lttrn 11104 ax-pre-ltadd 11105 ax-pre-mulgt0 11106 ax-addf 11108

This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3or 1093 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-nel 3039 df-ral 3054 df-rex 3064 df-rmo 3344 df-reu 3345 df-rab 3392 df-v 3433 df-sbc 3724 df-csb 3832 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3903 df-nul 4262 df-if 4455 df-pw 4531 df-sn 4556 df-pr 4558 df-tp 4560 df-op 4562 df-uni 4839 df-iun 4923 df-br 5073 df-opab 5135 df-mpt 5154 df-tr 5180 df-id 5513 df-eprel 5518 df-po 5526 df-so 5527 df-fr 5571 df-we 5573 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-pred 6252 df-ord 6313 df-on 6314 df-lim 6315 df-suc 6316 df-iota 6441 df-fun 6487 df-fn 6488 df-f 6489 df-f1 6490 df-fo 6491 df-f1o 6492 df-fv 6493 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-om 7807 df-1st 7931 df-2nd 7932 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-1o 8395 df-er 8633 df-map 8765 df-en 8884 df-dom 8885 df-sdom 8886 df-fin 8887 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-sub 11370 df-neg 11371 df-nn 12166 df-2 12235 df-3 12236 df-4 12237 df-5 12238 df-6 12239 df-7 12240 df-8 12241 df-9 12242 df-n0 12429 df-z 12516 df-dec 12636 df-uz 12780 df-fz 13453 df-seq 13955 df-struct 17108 df-sets 17125 df-slot 17143 df-ndx 17155 df-base 17171 df-ress 17192 df-plusg 17224 df-mulr 17225 df-starv 17226 df-tset 17230 df-ple 17231 df-ds 17233 df-unif 17234 df-0g 17395 df-mgm 18599 df-sgrp 18678 df-mnd 18694 df-submnd 18743 df-grp 18903 df-minusg 18904 df-mulg 19035 df-subg 19090 df-ghm 19179 df-cmn 19748 df-abl 19749 df-mgp 20113 df-rng 20125 df-ur 20154 df-ring 20207 df-cring 20208 df-subrng 20518 df-subrg 20542 df-cnfld 21348 df-zring 21422 df-primroots 42577

This theorem is referenced by: aks6d1c6lem5 42662

W3C validator