primrootspoweq0 - Mathbox for metakunt

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Theorem primrootspoweq0 42684

Description: The power of a 𝑅-th primitive root is zero if and only if it divides 𝑅. (Contributed by metakunt, 15-May-2025.)

**Hypotheses**
Ref	Expression
primrootspoweq0.1	⊢ (𝜑 → 𝑅 ∈ CMnd)
primrootspoweq0.2	⊢ (𝜑 → 𝐾 ∈ ℕ)
primrootspoweq0.3	⊢ (𝜑 → 𝑀 ∈ (𝑅 PrimRoots 𝐾))
primrootspoweq0.4	⊢ 𝑈 = {𝑎 ∈ (Base‘𝑅) ∣ ∃𝑖 ∈ (Base‘𝑅)(𝑖(+_g‘𝑅)𝑎) = (0_g‘𝑅)}
primrootspoweq0.5	⊢ (𝜑 → 𝑁 ∈ ℤ)

**Assertion**
Ref	Expression
primrootspoweq0	⊢ (𝜑 → ((𝑁(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)) ↔ 𝐾 ∥ 𝑁))

Distinct variable group: 𝑅,𝑎,𝑖 Allowed substitution hints: 𝜑(𝑖,𝑎) 𝑈(𝑖,𝑎) 𝐾(𝑖,𝑎) 𝑀(𝑖,𝑎) 𝑁(𝑖,𝑎)

Proof of Theorem primrootspoweq0 Dummy variables 𝑙 𝑥 𝑦 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		simplr 778	. . . . . . . . 9 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → 𝑁 = ((𝑥 · 𝐾) + 𝑦))
2	1	oveq1d 7406	. . . . . . . 8 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑁(._g‘(𝑅 ↾_s 𝑈))𝑀) = (((𝑥 · 𝐾) + 𝑦)(._g‘(𝑅 ↾_s 𝑈))𝑀))
3		primrootspoweq0.1	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝑅 ∈ CMnd)
4		primrootspoweq0.2	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝐾 ∈ ℕ)
5		primrootspoweq0.4	. . . . . . . . . . . . . 14 ⊢ 𝑈 = {𝑎 ∈ (Base‘𝑅) ∣ ∃𝑖 ∈ (Base‘𝑅)(𝑖(+_g‘𝑅)𝑎) = (0_g‘𝑅)}
6	3, 4, 5	primrootsunit 42676	. . . . . . . . . . . . 13 ⊢ (𝜑 → ((𝑅 PrimRoots 𝐾) = ((𝑅 ↾_s 𝑈) PrimRoots 𝐾) ∧ (𝑅 ↾_s 𝑈) ∈ Abel))
7	6	simprd 499	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝑅 ↾_s 𝑈) ∈ Abel)
8	7	ad4antr 742	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑅 ↾_s 𝑈) ∈ Abel)
9	8	ablgrpd 19817	. . . . . . . . . 10 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑅 ↾_s 𝑈) ∈ Grp)
10		simp-4r 793	. . . . . . . . . . . 12 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → 𝑥 ∈ ℤ)
11	4	nnzd 12588	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐾 ∈ ℤ)
12	11	ad4antr 742	. . . . . . . . . . . 12 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → 𝐾 ∈ ℤ)
13	10, 12	zmulcld 12677	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑥 · 𝐾) ∈ ℤ)
14		simpllr 785	. . . . . . . . . . . 12 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → 𝑦 ∈ (0...(𝐾 − 1)))
15	14	elfzelzd 13524	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → 𝑦 ∈ ℤ)
16		primrootspoweq0.3	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝑀 ∈ (𝑅 PrimRoots 𝐾))
17	6	simpld 498	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (𝑅 PrimRoots 𝐾) = ((𝑅 ↾_s 𝑈) PrimRoots 𝐾))
18	16, 17	eleqtrd 2863	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝑀 ∈ ((𝑅 ↾_s 𝑈) PrimRoots 𝐾))
19		ablcmn 19818	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑅 ↾_s 𝑈) ∈ Abel → (𝑅 ↾_s 𝑈) ∈ CMnd)
20	7, 19	syl 17	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝑅 ↾_s 𝑈) ∈ CMnd)
21	4	nnnn0d 12536	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 𝐾 ∈ ℕ₀)
22		eqid 2761	. . . . . . . . . . . . . . . 16 ⊢ (._g‘(𝑅 ↾_s 𝑈)) = (._g‘(𝑅 ↾_s 𝑈))
23	20, 21, 22	isprimroot 42671	. . . . . . . . . . . . . . 15 ⊢ (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))))
24	23	biimpd 231	. . . . . . . . . . . . . 14 ⊢ (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))))
25	18, 24	mpd 15	. . . . . . . . . . . . 13 ⊢ (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)))
26	25	simp1d 1154	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝑀 ∈ (Base‘(𝑅 ↾_s 𝑈)))
27	26	ad4antr 742	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → 𝑀 ∈ (Base‘(𝑅 ↾_s 𝑈)))
28	13, 15, 27	3jca 1140	. . . . . . . . . 10 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → ((𝑥 · 𝐾) ∈ ℤ ∧ 𝑦 ∈ ℤ ∧ 𝑀 ∈ (Base‘(𝑅 ↾_s 𝑈))))
29		eqid 2761	. . . . . . . . . . 11 ⊢ (Base‘(𝑅 ↾_s 𝑈)) = (Base‘(𝑅 ↾_s 𝑈))
30		eqid 2761	. . . . . . . . . . 11 ⊢ (+_g‘(𝑅 ↾_s 𝑈)) = (+_g‘(𝑅 ↾_s 𝑈))
31	29, 22, 30	mulgdir 19139	. . . . . . . . . 10 ⊢ (((𝑅 ↾_s 𝑈) ∈ Grp ∧ ((𝑥 · 𝐾) ∈ ℤ ∧ 𝑦 ∈ ℤ ∧ 𝑀 ∈ (Base‘(𝑅 ↾_s 𝑈)))) → (((𝑥 · 𝐾) + 𝑦)(._g‘(𝑅 ↾_s 𝑈))𝑀) = (((𝑥 · 𝐾)(._g‘(𝑅 ↾_s 𝑈))𝑀)(+_g‘(𝑅 ↾_s 𝑈))(𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀)))
32	9, 28, 31	syl2anc 593	. . . . . . . . 9 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (((𝑥 · 𝐾) + 𝑦)(._g‘(𝑅 ↾_s 𝑈))𝑀) = (((𝑥 · 𝐾)(._g‘(𝑅 ↾_s 𝑈))𝑀)(+_g‘(𝑅 ↾_s 𝑈))(𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀)))
33	10, 12, 27	3jca 1140	. . . . . . . . . . . . 13 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑥 ∈ ℤ ∧ 𝐾 ∈ ℤ ∧ 𝑀 ∈ (Base‘(𝑅 ↾_s 𝑈))))
34	29, 22	mulgass 19144	. . . . . . . . . . . . 13 ⊢ (((𝑅 ↾_s 𝑈) ∈ Grp ∧ (𝑥 ∈ ℤ ∧ 𝐾 ∈ ℤ ∧ 𝑀 ∈ (Base‘(𝑅 ↾_s 𝑈)))) → ((𝑥 · 𝐾)(._g‘(𝑅 ↾_s 𝑈))𝑀) = (𝑥(._g‘(𝑅 ↾_s 𝑈))(𝐾(._g‘(𝑅 ↾_s 𝑈))𝑀)))
35	9, 33, 34	syl2anc 593	. . . . . . . . . . . 12 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → ((𝑥 · 𝐾)(._g‘(𝑅 ↾_s 𝑈))𝑀) = (𝑥(._g‘(𝑅 ↾_s 𝑈))(𝐾(._g‘(𝑅 ↾_s 𝑈))𝑀)))
36	25	simp2d 1155	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (𝐾(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)))
37	36	ad4antr 742	. . . . . . . . . . . . . 14 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝐾(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)))
38	37	oveq2d 7407	. . . . . . . . . . . . 13 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑥(._g‘(𝑅 ↾_s 𝑈))(𝐾(._g‘(𝑅 ↾_s 𝑈))𝑀)) = (𝑥(._g‘(𝑅 ↾_s 𝑈))(0_g‘(𝑅 ↾_s 𝑈))))
39		eqid 2761	. . . . . . . . . . . . . . 15 ⊢ (0_g‘(𝑅 ↾_s 𝑈)) = (0_g‘(𝑅 ↾_s 𝑈))
40	29, 22, 39	mulgz 19135	. . . . . . . . . . . . . 14 ⊢ (((𝑅 ↾_s 𝑈) ∈ Grp ∧ 𝑥 ∈ ℤ) → (𝑥(._g‘(𝑅 ↾_s 𝑈))(0_g‘(𝑅 ↾_s 𝑈))) = (0_g‘(𝑅 ↾_s 𝑈)))
41	9, 10, 40	syl2anc 593	. . . . . . . . . . . . 13 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑥(._g‘(𝑅 ↾_s 𝑈))(0_g‘(𝑅 ↾_s 𝑈))) = (0_g‘(𝑅 ↾_s 𝑈)))
42	38, 41	eqtrd 2796	. . . . . . . . . . . 12 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑥(._g‘(𝑅 ↾_s 𝑈))(𝐾(._g‘(𝑅 ↾_s 𝑈))𝑀)) = (0_g‘(𝑅 ↾_s 𝑈)))
43	35, 42	eqtrd 2796	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → ((𝑥 · 𝐾)(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)))
44	43	oveq1d 7406	. . . . . . . . . 10 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (((𝑥 · 𝐾)(._g‘(𝑅 ↾_s 𝑈))𝑀)(+_g‘(𝑅 ↾_s 𝑈))(𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀)) = ((0_g‘(𝑅 ↾_s 𝑈))(+_g‘(𝑅 ↾_s 𝑈))(𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀)))
45	29, 22, 9, 15, 27	mulgcld 19129	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀) ∈ (Base‘(𝑅 ↾_s 𝑈)))
46	29, 30, 39, 9, 45	grplidd 19002	. . . . . . . . . 10 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → ((0_g‘(𝑅 ↾_s 𝑈))(+_g‘(𝑅 ↾_s 𝑈))(𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀)) = (𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀))
47	44, 46	eqtrd 2796	. . . . . . . . 9 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (((𝑥 · 𝐾)(._g‘(𝑅 ↾_s 𝑈))𝑀)(+_g‘(𝑅 ↾_s 𝑈))(𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀)) = (𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀))
48	32, 47	eqtrd 2796	. . . . . . . 8 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (((𝑥 · 𝐾) + 𝑦)(._g‘(𝑅 ↾_s 𝑈))𝑀) = (𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀))
49	2, 48	eqtrd 2796	. . . . . . 7 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑁(._g‘(𝑅 ↾_s 𝑈))𝑀) = (𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀))
50	8, 19	syl 17	. . . . . . . 8 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑅 ↾_s 𝑈) ∈ CMnd)
51	4	ad4antr 742	. . . . . . . 8 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → 𝐾 ∈ ℕ)
52	16	ad4antr 742	. . . . . . . . 9 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → 𝑀 ∈ (𝑅 PrimRoots 𝐾))
53	17	ad4antr 742	. . . . . . . . 9 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑅 PrimRoots 𝐾) = ((𝑅 ↾_s 𝑈) PrimRoots 𝐾))
54	52, 53	eleqtrd 2863	. . . . . . . 8 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → 𝑀 ∈ ((𝑅 ↾_s 𝑈) PrimRoots 𝐾))
55		1cnd 11169	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 1 ∈ ℂ)
56	55	addlidd 11378	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (0 + 1) = 1)
57	4	nnge1d 12255	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 1 ≤ 𝐾)
58	56, 57	eqbrtrd 5119	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (0 + 1) ≤ 𝐾)
59		0red 11178	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 0 ∈ ℝ)
60		1red 11176	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 1 ∈ ℝ)
61	4	nnred 12219	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 𝐾 ∈ ℝ)
62		leaddsub 11657	. . . . . . . . . . . . . . . 16 ⊢ ((0 ∈ ℝ ∧ 1 ∈ ℝ ∧ 𝐾 ∈ ℝ) → ((0 + 1) ≤ 𝐾 ↔ 0 ≤ (𝐾 − 1)))
63	59, 60, 61, 62	syl3anc 1389	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → ((0 + 1) ≤ 𝐾 ↔ 0 ≤ (𝐾 − 1)))
64	58, 63	mpbid 234	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 0 ≤ (𝐾 − 1))
65		0zd 12574	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 0 ∈ ℤ)
66		1zzd 12596	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 1 ∈ ℤ)
67	11, 66	zsubcld 12676	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (𝐾 − 1) ∈ ℤ)
68		eluz 12847	. . . . . . . . . . . . . . 15 ⊢ ((0 ∈ ℤ ∧ (𝐾 − 1) ∈ ℤ) → ((𝐾 − 1) ∈ (ℤ_≥‘0) ↔ 0 ≤ (𝐾 − 1)))
69	65, 67, 68	syl2anc 593	. . . . . . . . . . . . . 14 ⊢ (𝜑 → ((𝐾 − 1) ∈ (ℤ_≥‘0) ↔ 0 ≤ (𝐾 − 1)))
70	64, 69	mpbird 259	. . . . . . . . . . . . 13 ⊢ (𝜑 → (𝐾 − 1) ∈ (ℤ_≥‘0))
71		elfzp12 13602	. . . . . . . . . . . . 13 ⊢ ((𝐾 − 1) ∈ (ℤ_≥‘0) → (𝑦 ∈ (0...(𝐾 − 1)) ↔ (𝑦 = 0 ∨ 𝑦 ∈ ((0 + 1)...(𝐾 − 1)))))
72	70, 71	syl 17	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝑦 ∈ (0...(𝐾 − 1)) ↔ (𝑦 = 0 ∨ 𝑦 ∈ ((0 + 1)...(𝐾 − 1)))))
73	72	ad4antr 742	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑦 ∈ (0...(𝐾 − 1)) ↔ (𝑦 = 0 ∨ 𝑦 ∈ ((0 + 1)...(𝐾 − 1)))))
74	73	biimpd 231	. . . . . . . . . 10 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑦 ∈ (0...(𝐾 − 1)) → (𝑦 = 0 ∨ 𝑦 ∈ ((0 + 1)...(𝐾 − 1)))))
75	14, 74	mpd 15	. . . . . . . . 9 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑦 = 0 ∨ 𝑦 ∈ ((0 + 1)...(𝐾 − 1))))
76		simp-5r 795	. . . . . . . . . . . . . . 15 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → 𝑥 ∈ ℤ)
77	51	adantr 484	. . . . . . . . . . . . . . . 16 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → 𝐾 ∈ ℕ)
78	77	nnzd 12588	. . . . . . . . . . . . . . 15 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → 𝐾 ∈ ℤ)
79		dvdsmul2 16303	. . . . . . . . . . . . . . 15 ⊢ ((𝑥 ∈ ℤ ∧ 𝐾 ∈ ℤ) → 𝐾 ∥ (𝑥 · 𝐾))
80	76, 78, 79	syl2anc 593	. . . . . . . . . . . . . 14 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → 𝐾 ∥ (𝑥 · 𝐾))
81	76	zcnd 12672	. . . . . . . . . . . . . . . . . 18 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → 𝑥 ∈ ℂ)
82	77	nncnd 12220	. . . . . . . . . . . . . . . . . 18 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → 𝐾 ∈ ℂ)
83	81, 82	mulcld 11196	. . . . . . . . . . . . . . . . 17 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → (𝑥 · 𝐾) ∈ ℂ)
84	83	addridd 11377	. . . . . . . . . . . . . . . 16 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → ((𝑥 · 𝐾) + 0) = (𝑥 · 𝐾))
85	84	eqcomd 2767	. . . . . . . . . . . . . . 15 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → (𝑥 · 𝐾) = ((𝑥 · 𝐾) + 0))
86		simpr 488	. . . . . . . . . . . . . . . . 17 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → 𝑦 = 0)
87	86	eqcomd 2767	. . . . . . . . . . . . . . . 16 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → 0 = 𝑦)
88	87	oveq2d 7407	. . . . . . . . . . . . . . 15 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → ((𝑥 · 𝐾) + 0) = ((𝑥 · 𝐾) + 𝑦))
89	85, 88	eqtrd 2796	. . . . . . . . . . . . . 14 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → (𝑥 · 𝐾) = ((𝑥 · 𝐾) + 𝑦))
90	80, 89	breqtrd 5123	. . . . . . . . . . . . 13 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → 𝐾 ∥ ((𝑥 · 𝐾) + 𝑦))
91	1	adantr 484	. . . . . . . . . . . . . 14 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → 𝑁 = ((𝑥 · 𝐾) + 𝑦))
92	91	eqcomd 2767	. . . . . . . . . . . . 13 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → ((𝑥 · 𝐾) + 𝑦) = 𝑁)
93	90, 92	breqtrd 5123	. . . . . . . . . . . 12 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → 𝐾 ∥ 𝑁)
94		simplr 778	. . . . . . . . . . . 12 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → ¬ 𝐾 ∥ 𝑁)
95	93, 94	pm2.21dd 197	. . . . . . . . . . 11 ⊢ ((((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) ∧ 𝑦 = 0) → 𝑦 ∈ (1...(𝐾 − 1)))
96	95	ex 416	. . . . . . . . . 10 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑦 = 0 → 𝑦 ∈ (1...(𝐾 − 1))))
97		1cnd 11169	. . . . . . . . . . . . . 14 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → 1 ∈ ℂ)
98	97	addlidd 11378	. . . . . . . . . . . . 13 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (0 + 1) = 1)
99	98	oveq1d 7406	. . . . . . . . . . . 12 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → ((0 + 1)...(𝐾 − 1)) = (1...(𝐾 − 1)))
100		ssidd 3957	. . . . . . . . . . . 12 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (1...(𝐾 − 1)) ⊆ (1...(𝐾 − 1)))
101	99, 100	eqsstrd 3968	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → ((0 + 1)...(𝐾 − 1)) ⊆ (1...(𝐾 − 1)))
102	101	sseld 3933	. . . . . . . . . 10 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑦 ∈ ((0 + 1)...(𝐾 − 1)) → 𝑦 ∈ (1...(𝐾 − 1))))
103	96, 102	jaod 870	. . . . . . . . 9 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → ((𝑦 = 0 ∨ 𝑦 ∈ ((0 + 1)...(𝐾 − 1))) → 𝑦 ∈ (1...(𝐾 − 1))))
104	75, 103	mpd 15	. . . . . . . 8 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → 𝑦 ∈ (1...(𝐾 − 1)))
105	50, 51, 54, 104	primrootlekpowne0 42683	. . . . . . 7 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑦(._g‘(𝑅 ↾_s 𝑈))𝑀) ≠ (0_g‘(𝑅 ↾_s 𝑈)))
106	49, 105	eqnetrd 3023	. . . . . 6 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → (𝑁(._g‘(𝑅 ↾_s 𝑈))𝑀) ≠ (0_g‘(𝑅 ↾_s 𝑈)))
107	106	neneqd 2961	. . . . 5 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ ¬ 𝐾 ∥ 𝑁) → ¬ (𝑁(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)))
108	107	ex 416	. . . 4 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) → (¬ 𝐾 ∥ 𝑁 → ¬ (𝑁(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈))))
109	108	con4d 115	. . 3 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) → ((𝑁(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)) → 𝐾 ∥ 𝑁))
110		simp-4l 792	. . . . . 6 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ 𝐾 ∥ 𝑁) → 𝜑)
111		simpr 488	. . . . . 6 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ 𝐾 ∥ 𝑁) → 𝐾 ∥ 𝑁)
112	110, 111	jca 519	. . . . 5 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ 𝐾 ∥ 𝑁) → (𝜑 ∧ 𝐾 ∥ 𝑁))
113		primrootspoweq0.5	. . . . . . . . 9 ⊢ (𝜑 → 𝑁 ∈ ℤ)
114		divides 16279	. . . . . . . . 9 ⊢ ((𝐾 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝐾 ∥ 𝑁 ↔ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁))
115	11, 113, 114	syl2anc 593	. . . . . . . 8 ⊢ (𝜑 → (𝐾 ∥ 𝑁 ↔ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁))
116	115	biimpd 231	. . . . . . 7 ⊢ (𝜑 → (𝐾 ∥ 𝑁 → ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁))
117	116	imp 410	. . . . . 6 ⊢ ((𝜑 ∧ 𝐾 ∥ 𝑁) → ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁)
118		simpr 488	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) ∧ 𝑦 ∈ ℤ) ∧ (𝑦 · 𝐾) = 𝑁) → (𝑦 · 𝐾) = 𝑁)
119	118	eqcomd 2767	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) ∧ 𝑦 ∈ ℤ) ∧ (𝑦 · 𝐾) = 𝑁) → 𝑁 = (𝑦 · 𝐾))
120	119	oveq1d 7406	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) ∧ 𝑦 ∈ ℤ) ∧ (𝑦 · 𝐾) = 𝑁) → (𝑁(._g‘(𝑅 ↾_s 𝑈))𝑀) = ((𝑦 · 𝐾)(._g‘(𝑅 ↾_s 𝑈))𝑀))
121	7	ad3antrrr 740	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) ∧ 𝑦 ∈ ℤ) ∧ (𝑦 · 𝐾) = 𝑁) → (𝑅 ↾_s 𝑈) ∈ Abel)
122		ablgrp 19816	. . . . . . . . . . . . 13 ⊢ ((𝑅 ↾_s 𝑈) ∈ Abel → (𝑅 ↾_s 𝑈) ∈ Grp)
123	121, 122	syl 17	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) ∧ 𝑦 ∈ ℤ) ∧ (𝑦 · 𝐾) = 𝑁) → (𝑅 ↾_s 𝑈) ∈ Grp)
124		simplr 778	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) ∧ 𝑦 ∈ ℤ) ∧ (𝑦 · 𝐾) = 𝑁) → 𝑦 ∈ ℤ)
125	11	ad3antrrr 740	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) ∧ 𝑦 ∈ ℤ) ∧ (𝑦 · 𝐾) = 𝑁) → 𝐾 ∈ ℤ)
126	26	ad3antrrr 740	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) ∧ 𝑦 ∈ ℤ) ∧ (𝑦 · 𝐾) = 𝑁) → 𝑀 ∈ (Base‘(𝑅 ↾_s 𝑈)))
127	124, 125, 126	3jca 1140	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) ∧ 𝑦 ∈ ℤ) ∧ (𝑦 · 𝐾) = 𝑁) → (𝑦 ∈ ℤ ∧ 𝐾 ∈ ℤ ∧ 𝑀 ∈ (Base‘(𝑅 ↾_s 𝑈))))
128	29, 22	mulgass 19144	. . . . . . . . . . . 12 ⊢ (((𝑅 ↾_s 𝑈) ∈ Grp ∧ (𝑦 ∈ ℤ ∧ 𝐾 ∈ ℤ ∧ 𝑀 ∈ (Base‘(𝑅 ↾_s 𝑈)))) → ((𝑦 · 𝐾)(._g‘(𝑅 ↾_s 𝑈))𝑀) = (𝑦(._g‘(𝑅 ↾_s 𝑈))(𝐾(._g‘(𝑅 ↾_s 𝑈))𝑀)))
129	123, 127, 128	syl2anc 593	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) ∧ 𝑦 ∈ ℤ) ∧ (𝑦 · 𝐾) = 𝑁) → ((𝑦 · 𝐾)(._g‘(𝑅 ↾_s 𝑈))𝑀) = (𝑦(._g‘(𝑅 ↾_s 𝑈))(𝐾(._g‘(𝑅 ↾_s 𝑈))𝑀)))
130	36	ad3antrrr 740	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) ∧ 𝑦 ∈ ℤ) ∧ (𝑦 · 𝐾) = 𝑁) → (𝐾(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)))
131	130	oveq2d 7407	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) ∧ 𝑦 ∈ ℤ) ∧ (𝑦 · 𝐾) = 𝑁) → (𝑦(._g‘(𝑅 ↾_s 𝑈))(𝐾(._g‘(𝑅 ↾_s 𝑈))𝑀)) = (𝑦(._g‘(𝑅 ↾_s 𝑈))(0_g‘(𝑅 ↾_s 𝑈))))
132	29, 22, 39	mulgz 19135	. . . . . . . . . . . . 13 ⊢ (((𝑅 ↾_s 𝑈) ∈ Grp ∧ 𝑦 ∈ ℤ) → (𝑦(._g‘(𝑅 ↾_s 𝑈))(0_g‘(𝑅 ↾_s 𝑈))) = (0_g‘(𝑅 ↾_s 𝑈)))
133	123, 124, 132	syl2anc 593	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) ∧ 𝑦 ∈ ℤ) ∧ (𝑦 · 𝐾) = 𝑁) → (𝑦(._g‘(𝑅 ↾_s 𝑈))(0_g‘(𝑅 ↾_s 𝑈))) = (0_g‘(𝑅 ↾_s 𝑈)))
134	131, 133	eqtrd 2796	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) ∧ 𝑦 ∈ ℤ) ∧ (𝑦 · 𝐾) = 𝑁) → (𝑦(._g‘(𝑅 ↾_s 𝑈))(𝐾(._g‘(𝑅 ↾_s 𝑈))𝑀)) = (0_g‘(𝑅 ↾_s 𝑈)))
135	129, 134	eqtrd 2796	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) ∧ 𝑦 ∈ ℤ) ∧ (𝑦 · 𝐾) = 𝑁) → ((𝑦 · 𝐾)(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)))
136	120, 135	eqtrd 2796	. . . . . . . . 9 ⊢ ((((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) ∧ 𝑦 ∈ ℤ) ∧ (𝑦 · 𝐾) = 𝑁) → (𝑁(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)))
137		nfv 1933	. . . . . . . . . . 11 ⊢ Ⅎ𝑦(𝑥 · 𝐾) = 𝑁
138		nfv 1933	. . . . . . . . . . 11 ⊢ Ⅎ𝑥(𝑦 · 𝐾) = 𝑁
139		oveq1 7398	. . . . . . . . . . . 12 ⊢ (𝑥 = 𝑦 → (𝑥 · 𝐾) = (𝑦 · 𝐾))
140	139	eqeq1d 2763	. . . . . . . . . . 11 ⊢ (𝑥 = 𝑦 → ((𝑥 · 𝐾) = 𝑁 ↔ (𝑦 · 𝐾) = 𝑁))
141	137, 138, 140	cbvrexw 3304	. . . . . . . . . 10 ⊢ (∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁 ↔ ∃𝑦 ∈ ℤ (𝑦 · 𝐾) = 𝑁)
142	141	bilani 508	. . . . . . . . 9 ⊢ ((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) → ∃𝑦 ∈ ℤ (𝑦 · 𝐾) = 𝑁)
143	136, 142	r19.29a 3169	. . . . . . . 8 ⊢ ((𝜑 ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁) → (𝑁(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)))
144	143	ex 416	. . . . . . 7 ⊢ (𝜑 → (∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁 → (𝑁(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈))))
145	144	adantr 484	. . . . . 6 ⊢ ((𝜑 ∧ 𝐾 ∥ 𝑁) → (∃𝑥 ∈ ℤ (𝑥 · 𝐾) = 𝑁 → (𝑁(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈))))
146	117, 145	mpd 15	. . . . 5 ⊢ ((𝜑 ∧ 𝐾 ∥ 𝑁) → (𝑁(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)))
147	112, 146	syl 17	. . . 4 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) ∧ 𝐾 ∥ 𝑁) → (𝑁(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)))
148	147	ex 416	. . 3 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) → (𝐾 ∥ 𝑁 → (𝑁(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈))))
149	109, 148	impbid 214	. 2 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℤ) ∧ 𝑦 ∈ (0...(𝐾 − 1))) ∧ 𝑁 = ((𝑥 · 𝐾) + 𝑦)) → ((𝑁(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)) ↔ 𝐾 ∥ 𝑁))
150	113, 4	remexz 42682	. 2 ⊢ (𝜑 → ∃𝑥 ∈ ℤ ∃𝑦 ∈ (0...(𝐾 − 1))𝑁 = ((𝑥 · 𝐾) + 𝑦))
151	149, 150	r19.29vva 3221	1 ⊢ (𝜑 → ((𝑁(._g‘(𝑅 ↾_s 𝑈))𝑀) = (0_g‘(𝑅 ↾_s 𝑈)) ↔ 𝐾 ∥ 𝑁))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 208 ∧ wa 399 ∨ wo 858 ∧ w3a 1097 = wceq 1559 ∈ wcel 2141 ∀wral 3075 ∃wrex 3085 {crab 3413 class class class wbr 5097 ‘cfv 6516 (class class class)co 7391 ℝcr 11066 0cc0 11067 1c1 11068 + caddc 11070 · cmul 11072 ≤ cle 11211 − cmin 11408 ℕcn 12204 ℕ₀cn0 12475 ℤcz 12562 ℤ_≥cuz 12833 ...cfz 13506 ∥ cdvds 16277 Basecbs 17236 ↾_s cress 17257 +_gcplusg 17277 0_gc0g 17459 Grpcgrp 18966 ._gcmg 19100 CMndccmn 19811 Abelcabl 19812 PrimRoots cprimroots 42669

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5243 ax-nul 5253 ax-pow 5319 ax-pr 5387 ax-un 7713 ax-cnex 11123 ax-resscn 11124 ax-1cn 11125 ax-icn 11126 ax-addcl 11127 ax-addrcl 11128 ax-mulcl 11129 ax-mulrcl 11130 ax-mulcom 11131 ax-addass 11132 ax-mulass 11133 ax-distr 11134 ax-i2m1 11135 ax-1ne0 11136 ax-1rid 11137 ax-rnegex 11138 ax-rrecex 11139 ax-cnre 11140 ax-pre-lttri 11141 ax-pre-lttrn 11142 ax-pre-ltadd 11143 ax-pre-mulgt0 11144 ax-pre-sup 11145

This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-iun 4948 df-br 5098 df-opab 5160 df-mpt 5179 df-tr 5205 df-id 5538 df-eprel 5543 df-po 5551 df-so 5552 df-fr 5596 df-we 5598 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-pred 6283 df-ord 6344 df-on 6345 df-lim 6346 df-suc 6347 df-iota 6472 df-fun 6518 df-fn 6519 df-f 6520 df-f1 6521 df-fo 6522 df-f1o 6523 df-fv 6524 df-riota 7348 df-ov 7394 df-oprab 7395 df-mpo 7396 df-om 7842 df-1st 7965 df-2nd 7966 df-frecs 8256 df-wrecs 8287 df-recs 8336 df-rdg 8375 df-er 8672 df-en 8922 df-dom 8923 df-sdom 8924 df-sup 9382 df-inf 9383 df-pnf 11212 df-mnf 11213 df-xr 11214 df-ltxr 11215 df-le 11216 df-sub 11410 df-neg 11411 df-div 11839 df-nn 12205 df-2 12274 df-n0 12476 df-z 12563 df-uz 12834 df-rp 12988 df-ico 13349 df-fz 13507 df-fzo 13654 df-fl 13796 df-mod 13874 df-seq 14009 df-dvds 16278 df-sets 17191 df-slot 17209 df-ndx 17221 df-base 17237 df-ress 17258 df-plusg 17290 df-0g 17461 df-mgm 18665 df-sgrp 18744 df-mnd 18760 df-submnd 18809 df-grp 18969 df-minusg 18970 df-mulg 19101 df-cmn 19813 df-abl 19814 df-primroots 42670

This theorem is referenced by: aks6d1c6isolem3 42754

W3C validator