wilthlem3 - Metamath Proof Explorer

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Theorem wilthlem3 27047

Description: Lemma for wilth 27048. Here we round out the argument of wilthlem2 27046 with the final step of the induction. The induction argument shows that every subset of 1...(𝑃 − 1) that is closed under inverse and contains 𝑃 − 1 multiplies to -1 mod 𝑃, and clearly 1...(𝑃 − 1) itself is such a set. Thus, the product of all the elements is -1, and all that is left is to translate the group sum notation (which we used for its unordered summing capabilities) into an ordered sequence to match the definition of the factorial. (Contributed by Mario Carneiro, 24-Jan-2015.) (Proof shortened by AV, 27-Jul-2019.)

**Hypotheses**
Ref	Expression
wilthlem.t	⊢ 𝑇 = (mulGrp‘ℂ_fld)
wilthlem.a	⊢ 𝐴 = {𝑥 ∈ 𝒫 (1...(𝑃 − 1)) ∣ ((𝑃 − 1) ∈ 𝑥 ∧ ∀𝑦 ∈ 𝑥 ((𝑦↑(𝑃 − 2)) mod 𝑃) ∈ 𝑥)}

**Assertion**
Ref	Expression
wilthlem3	⊢ (𝑃 ∈ ℙ → 𝑃 ∥ ((!‘(𝑃 − 1)) + 1))

Distinct variable groups: 𝑥,𝑦,𝐴 𝑥,𝑃,𝑦 𝑥,𝑇,𝑦

Proof of Theorem wilthlem3 Dummy variables 𝑡 𝑠 𝑘 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		prmuz2 16656	. . . . . . . 8 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ (ℤ_≥‘2))
2		uz2m1nn 12864	. . . . . . . 8 ⊢ (𝑃 ∈ (ℤ_≥‘2) → (𝑃 − 1) ∈ ℕ)
3	1, 2	syl 17	. . . . . . 7 ⊢ (𝑃 ∈ ℙ → (𝑃 − 1) ∈ ℕ)
4		nnuz 12818	. . . . . . 7 ⊢ ℕ = (ℤ_≥‘1)
5	3, 4	eleqtrdi 2847	. . . . . 6 ⊢ (𝑃 ∈ ℙ → (𝑃 − 1) ∈ (ℤ_≥‘1))
6		eluzfz2 13477	. . . . . 6 ⊢ ((𝑃 − 1) ∈ (ℤ_≥‘1) → (𝑃 − 1) ∈ (1...(𝑃 − 1)))
7	5, 6	syl 17	. . . . 5 ⊢ (𝑃 ∈ ℙ → (𝑃 − 1) ∈ (1...(𝑃 − 1)))
8		simpl 482	. . . . . . . 8 ⊢ ((𝑃 ∈ ℙ ∧ 𝑦 ∈ (1...(𝑃 − 1))) → 𝑃 ∈ ℙ)
9		elfzelz 13469	. . . . . . . . 9 ⊢ (𝑦 ∈ (1...(𝑃 − 1)) → 𝑦 ∈ ℤ)
10	9	adantl 481	. . . . . . . 8 ⊢ ((𝑃 ∈ ℙ ∧ 𝑦 ∈ (1...(𝑃 − 1))) → 𝑦 ∈ ℤ)
11		prmnn 16634	. . . . . . . . 9 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℕ)
12		fzm1ndvds 16282	. . . . . . . . 9 ⊢ ((𝑃 ∈ ℕ ∧ 𝑦 ∈ (1...(𝑃 − 1))) → ¬ 𝑃 ∥ 𝑦)
13	11, 12	sylan 581	. . . . . . . 8 ⊢ ((𝑃 ∈ ℙ ∧ 𝑦 ∈ (1...(𝑃 − 1))) → ¬ 𝑃 ∥ 𝑦)
14		eqid 2737	. . . . . . . . 9 ⊢ ((𝑦↑(𝑃 − 2)) mod 𝑃) = ((𝑦↑(𝑃 − 2)) mod 𝑃)
15	14	prmdiv 16746	. . . . . . . 8 ⊢ ((𝑃 ∈ ℙ ∧ 𝑦 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝑦) → (((𝑦↑(𝑃 − 2)) mod 𝑃) ∈ (1...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝑦 · ((𝑦↑(𝑃 − 2)) mod 𝑃)) − 1)))
16	8, 10, 13, 15	syl3anc 1374	. . . . . . 7 ⊢ ((𝑃 ∈ ℙ ∧ 𝑦 ∈ (1...(𝑃 − 1))) → (((𝑦↑(𝑃 − 2)) mod 𝑃) ∈ (1...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝑦 · ((𝑦↑(𝑃 − 2)) mod 𝑃)) − 1)))
17	16	simpld 494	. . . . . 6 ⊢ ((𝑃 ∈ ℙ ∧ 𝑦 ∈ (1...(𝑃 − 1))) → ((𝑦↑(𝑃 − 2)) mod 𝑃) ∈ (1...(𝑃 − 1)))
18	17	ralrimiva 3130	. . . . 5 ⊢ (𝑃 ∈ ℙ → ∀𝑦 ∈ (1...(𝑃 − 1))((𝑦↑(𝑃 − 2)) mod 𝑃) ∈ (1...(𝑃 − 1)))
19		ovex 7393	. . . . . . 7 ⊢ (1...(𝑃 − 1)) ∈ V
20	19	pwid 4564	. . . . . 6 ⊢ (1...(𝑃 − 1)) ∈ 𝒫 (1...(𝑃 − 1))
21		eleq2 2826	. . . . . . . 8 ⊢ (𝑥 = (1...(𝑃 − 1)) → ((𝑃 − 1) ∈ 𝑥 ↔ (𝑃 − 1) ∈ (1...(𝑃 − 1))))
22		eleq2 2826	. . . . . . . . 9 ⊢ (𝑥 = (1...(𝑃 − 1)) → (((𝑦↑(𝑃 − 2)) mod 𝑃) ∈ 𝑥 ↔ ((𝑦↑(𝑃 − 2)) mod 𝑃) ∈ (1...(𝑃 − 1))))
23	22	raleqbi1dv 3306	. . . . . . . 8 ⊢ (𝑥 = (1...(𝑃 − 1)) → (∀𝑦 ∈ 𝑥 ((𝑦↑(𝑃 − 2)) mod 𝑃) ∈ 𝑥 ↔ ∀𝑦 ∈ (1...(𝑃 − 1))((𝑦↑(𝑃 − 2)) mod 𝑃) ∈ (1...(𝑃 − 1))))
24	21, 23	anbi12d 633	. . . . . . 7 ⊢ (𝑥 = (1...(𝑃 − 1)) → (((𝑃 − 1) ∈ 𝑥 ∧ ∀𝑦 ∈ 𝑥 ((𝑦↑(𝑃 − 2)) mod 𝑃) ∈ 𝑥) ↔ ((𝑃 − 1) ∈ (1...(𝑃 − 1)) ∧ ∀𝑦 ∈ (1...(𝑃 − 1))((𝑦↑(𝑃 − 2)) mod 𝑃) ∈ (1...(𝑃 − 1)))))
25		wilthlem.a	. . . . . . 7 ⊢ 𝐴 = {𝑥 ∈ 𝒫 (1...(𝑃 − 1)) ∣ ((𝑃 − 1) ∈ 𝑥 ∧ ∀𝑦 ∈ 𝑥 ((𝑦↑(𝑃 − 2)) mod 𝑃) ∈ 𝑥)}
26	24, 25	elrab2 3638	. . . . . 6 ⊢ ((1...(𝑃 − 1)) ∈ 𝐴 ↔ ((1...(𝑃 − 1)) ∈ 𝒫 (1...(𝑃 − 1)) ∧ ((𝑃 − 1) ∈ (1...(𝑃 − 1)) ∧ ∀𝑦 ∈ (1...(𝑃 − 1))((𝑦↑(𝑃 − 2)) mod 𝑃) ∈ (1...(𝑃 − 1)))))
27	20, 26	mpbiran 710	. . . . 5 ⊢ ((1...(𝑃 − 1)) ∈ 𝐴 ↔ ((𝑃 − 1) ∈ (1...(𝑃 − 1)) ∧ ∀𝑦 ∈ (1...(𝑃 − 1))((𝑦↑(𝑃 − 2)) mod 𝑃) ∈ (1...(𝑃 − 1))))
28	7, 18, 27	sylanbrc 584	. . . 4 ⊢ (𝑃 ∈ ℙ → (1...(𝑃 − 1)) ∈ 𝐴)
29		fzfi 13925	. . . . 5 ⊢ (1...(𝑃 − 1)) ∈ Fin
30		eleq1 2825	. . . . . . . 8 ⊢ (𝑠 = 𝑡 → (𝑠 ∈ 𝐴 ↔ 𝑡 ∈ 𝐴))
31		reseq2 5933	. . . . . . . . . . 11 ⊢ (𝑠 = 𝑡 → ( I ↾ 𝑠) = ( I ↾ 𝑡))
32	31	oveq2d 7376	. . . . . . . . . 10 ⊢ (𝑠 = 𝑡 → (𝑇 Σ_g ( I ↾ 𝑠)) = (𝑇 Σ_g ( I ↾ 𝑡)))
33	32	oveq1d 7375	. . . . . . . . 9 ⊢ (𝑠 = 𝑡 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = ((𝑇 Σ_g ( I ↾ 𝑡)) mod 𝑃))
34	33	eqeq1d 2739	. . . . . . . 8 ⊢ (𝑠 = 𝑡 → (((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃) ↔ ((𝑇 Σ_g ( I ↾ 𝑡)) mod 𝑃) = (-1 mod 𝑃)))
35	30, 34	imbi12d 344	. . . . . . 7 ⊢ (𝑠 = 𝑡 → ((𝑠 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)) ↔ (𝑡 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑡)) mod 𝑃) = (-1 mod 𝑃))))
36	35	imbi2d 340	. . . . . 6 ⊢ (𝑠 = 𝑡 → ((𝑃 ∈ ℙ → (𝑠 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃))) ↔ (𝑃 ∈ ℙ → (𝑡 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑡)) mod 𝑃) = (-1 mod 𝑃)))))
37		eleq1 2825	. . . . . . . 8 ⊢ (𝑠 = (1...(𝑃 − 1)) → (𝑠 ∈ 𝐴 ↔ (1...(𝑃 − 1)) ∈ 𝐴))
38		reseq2 5933	. . . . . . . . . . 11 ⊢ (𝑠 = (1...(𝑃 − 1)) → ( I ↾ 𝑠) = ( I ↾ (1...(𝑃 − 1))))
39	38	oveq2d 7376	. . . . . . . . . 10 ⊢ (𝑠 = (1...(𝑃 − 1)) → (𝑇 Σ_g ( I ↾ 𝑠)) = (𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))))
40	39	oveq1d 7375	. . . . . . . . 9 ⊢ (𝑠 = (1...(𝑃 − 1)) → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = ((𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) mod 𝑃))
41	40	eqeq1d 2739	. . . . . . . 8 ⊢ (𝑠 = (1...(𝑃 − 1)) → (((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃) ↔ ((𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) mod 𝑃) = (-1 mod 𝑃)))
42	37, 41	imbi12d 344	. . . . . . 7 ⊢ (𝑠 = (1...(𝑃 − 1)) → ((𝑠 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)) ↔ ((1...(𝑃 − 1)) ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) mod 𝑃) = (-1 mod 𝑃))))
43	42	imbi2d 340	. . . . . 6 ⊢ (𝑠 = (1...(𝑃 − 1)) → ((𝑃 ∈ ℙ → (𝑠 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃))) ↔ (𝑃 ∈ ℙ → ((1...(𝑃 − 1)) ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) mod 𝑃) = (-1 mod 𝑃)))))
44		bi2.04 387	. . . . . . . . . . 11 ⊢ ((𝑠 ⊊ 𝑡 → (𝑃 ∈ ℙ → (𝑠 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)))) ↔ (𝑃 ∈ ℙ → (𝑠 ⊊ 𝑡 → (𝑠 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)))))
45		pm2.27 42	. . . . . . . . . . . 12 ⊢ (𝑃 ∈ ℙ → ((𝑃 ∈ ℙ → (𝑠 ⊊ 𝑡 → (𝑠 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)))) → (𝑠 ⊊ 𝑡 → (𝑠 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)))))
46	45	com34 91	. . . . . . . . . . 11 ⊢ (𝑃 ∈ ℙ → ((𝑃 ∈ ℙ → (𝑠 ⊊ 𝑡 → (𝑠 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)))) → (𝑠 ∈ 𝐴 → (𝑠 ⊊ 𝑡 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)))))
47	44, 46	biimtrid 242	. . . . . . . . . 10 ⊢ (𝑃 ∈ ℙ → ((𝑠 ⊊ 𝑡 → (𝑃 ∈ ℙ → (𝑠 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)))) → (𝑠 ∈ 𝐴 → (𝑠 ⊊ 𝑡 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)))))
48	47	alimdv 1918	. . . . . . . . 9 ⊢ (𝑃 ∈ ℙ → (∀𝑠(𝑠 ⊊ 𝑡 → (𝑃 ∈ ℙ → (𝑠 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)))) → ∀𝑠(𝑠 ∈ 𝐴 → (𝑠 ⊊ 𝑡 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)))))
49		df-ral 3053	. . . . . . . . 9 ⊢ (∀𝑠 ∈ 𝐴 (𝑠 ⊊ 𝑡 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)) ↔ ∀𝑠(𝑠 ∈ 𝐴 → (𝑠 ⊊ 𝑡 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃))))
50	48, 49	imbitrrdi 252	. . . . . . . 8 ⊢ (𝑃 ∈ ℙ → (∀𝑠(𝑠 ⊊ 𝑡 → (𝑃 ∈ ℙ → (𝑠 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)))) → ∀𝑠 ∈ 𝐴 (𝑠 ⊊ 𝑡 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃))))
51		wilthlem.t	. . . . . . . . . 10 ⊢ 𝑇 = (mulGrp‘ℂ_fld)
52		simp1 1137	. . . . . . . . . 10 ⊢ ((𝑃 ∈ ℙ ∧ ∀𝑠 ∈ 𝐴 (𝑠 ⊊ 𝑡 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)) ∧ 𝑡 ∈ 𝐴) → 𝑃 ∈ ℙ)
53		simp3 1139	. . . . . . . . . 10 ⊢ ((𝑃 ∈ ℙ ∧ ∀𝑠 ∈ 𝐴 (𝑠 ⊊ 𝑡 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)) ∧ 𝑡 ∈ 𝐴) → 𝑡 ∈ 𝐴)
54		simp2 1138	. . . . . . . . . 10 ⊢ ((𝑃 ∈ ℙ ∧ ∀𝑠 ∈ 𝐴 (𝑠 ⊊ 𝑡 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)) ∧ 𝑡 ∈ 𝐴) → ∀𝑠 ∈ 𝐴 (𝑠 ⊊ 𝑡 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)))
55	51, 25, 52, 53, 54	wilthlem2 27046	. . . . . . . . 9 ⊢ ((𝑃 ∈ ℙ ∧ ∀𝑠 ∈ 𝐴 (𝑠 ⊊ 𝑡 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)) ∧ 𝑡 ∈ 𝐴) → ((𝑇 Σ_g ( I ↾ 𝑡)) mod 𝑃) = (-1 mod 𝑃))
56	55	3exp 1120	. . . . . . . 8 ⊢ (𝑃 ∈ ℙ → (∀𝑠 ∈ 𝐴 (𝑠 ⊊ 𝑡 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)) → (𝑡 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑡)) mod 𝑃) = (-1 mod 𝑃))))
57	50, 56	syldc 48	. . . . . . 7 ⊢ (∀𝑠(𝑠 ⊊ 𝑡 → (𝑃 ∈ ℙ → (𝑠 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)))) → (𝑃 ∈ ℙ → (𝑡 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑡)) mod 𝑃) = (-1 mod 𝑃))))
58	57	a1i 11	. . . . . 6 ⊢ (𝑡 ∈ Fin → (∀𝑠(𝑠 ⊊ 𝑡 → (𝑃 ∈ ℙ → (𝑠 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑠)) mod 𝑃) = (-1 mod 𝑃)))) → (𝑃 ∈ ℙ → (𝑡 ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ 𝑡)) mod 𝑃) = (-1 mod 𝑃)))))
59	36, 43, 58	findcard3 9186	. . . . 5 ⊢ ((1...(𝑃 − 1)) ∈ Fin → (𝑃 ∈ ℙ → ((1...(𝑃 − 1)) ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) mod 𝑃) = (-1 mod 𝑃))))
60	29, 59	ax-mp 5	. . . 4 ⊢ (𝑃 ∈ ℙ → ((1...(𝑃 − 1)) ∈ 𝐴 → ((𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) mod 𝑃) = (-1 mod 𝑃)))
61	28, 60	mpd 15	. . 3 ⊢ (𝑃 ∈ ℙ → ((𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) mod 𝑃) = (-1 mod 𝑃))
62		cnfld1 21383	. . . . . 6 ⊢ 1 = (1_r‘ℂ_fld)
63	51, 62	ringidval 20155	. . . . 5 ⊢ 1 = (0_g‘𝑇)
64		cncrng 21378	. . . . . 6 ⊢ ℂ_fld ∈ CRing
65	51	crngmgp 20213	. . . . . 6 ⊢ (ℂ_fld ∈ CRing → 𝑇 ∈ CMnd)
66	64, 65	mp1i 13	. . . . 5 ⊢ (𝑃 ∈ ℙ → 𝑇 ∈ CMnd)
67	29	a1i 11	. . . . 5 ⊢ (𝑃 ∈ ℙ → (1...(𝑃 − 1)) ∈ Fin)
68		zsubrg 21410	. . . . . 6 ⊢ ℤ ∈ (SubRing‘ℂ_fld)
69	51	subrgsubm 20553	. . . . . 6 ⊢ (ℤ ∈ (SubRing‘ℂ_fld) → ℤ ∈ (SubMnd‘𝑇))
70	68, 69	mp1i 13	. . . . 5 ⊢ (𝑃 ∈ ℙ → ℤ ∈ (SubMnd‘𝑇))
71		f1oi 6812	. . . . . . . 8 ⊢ ( I ↾ (1...(𝑃 − 1))):(1...(𝑃 − 1))–1-1-onto→(1...(𝑃 − 1))
72		f1of 6774	. . . . . . . 8 ⊢ (( I ↾ (1...(𝑃 − 1))):(1...(𝑃 − 1))–1-1-onto→(1...(𝑃 − 1)) → ( I ↾ (1...(𝑃 − 1))):(1...(𝑃 − 1))⟶(1...(𝑃 − 1)))
73	71, 72	ax-mp 5	. . . . . . 7 ⊢ ( I ↾ (1...(𝑃 − 1))):(1...(𝑃 − 1))⟶(1...(𝑃 − 1))
74		fzssz 13471	. . . . . . 7 ⊢ (1...(𝑃 − 1)) ⊆ ℤ
75		fss 6678	. . . . . . 7 ⊢ ((( I ↾ (1...(𝑃 − 1))):(1...(𝑃 − 1))⟶(1...(𝑃 − 1)) ∧ (1...(𝑃 − 1)) ⊆ ℤ) → ( I ↾ (1...(𝑃 − 1))):(1...(𝑃 − 1))⟶ℤ)
76	73, 74, 75	mp2an 693	. . . . . 6 ⊢ ( I ↾ (1...(𝑃 − 1))):(1...(𝑃 − 1))⟶ℤ
77	76	a1i 11	. . . . 5 ⊢ (𝑃 ∈ ℙ → ( I ↾ (1...(𝑃 − 1))):(1...(𝑃 − 1))⟶ℤ)
78		1ex 11131	. . . . . . 7 ⊢ 1 ∈ V
79	78	a1i 11	. . . . . 6 ⊢ (𝑃 ∈ ℙ → 1 ∈ V)
80	77, 67, 79	fdmfifsupp 9281	. . . . 5 ⊢ (𝑃 ∈ ℙ → ( I ↾ (1...(𝑃 − 1))) finSupp 1)
81	63, 66, 67, 70, 77, 80	gsumsubmcl 19885	. . . 4 ⊢ (𝑃 ∈ ℙ → (𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) ∈ ℤ)
82		1z 12548	. . . . 5 ⊢ 1 ∈ ℤ
83		znegcl 12553	. . . . 5 ⊢ (1 ∈ ℤ → -1 ∈ ℤ)
84	82, 83	mp1i 13	. . . 4 ⊢ (𝑃 ∈ ℙ → -1 ∈ ℤ)
85		moddvds 16223	. . . 4 ⊢ ((𝑃 ∈ ℕ ∧ (𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) ∈ ℤ ∧ -1 ∈ ℤ) → (((𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) mod 𝑃) = (-1 mod 𝑃) ↔ 𝑃 ∥ ((𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) − -1)))
86	11, 81, 84, 85	syl3anc 1374	. . 3 ⊢ (𝑃 ∈ ℙ → (((𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) mod 𝑃) = (-1 mod 𝑃) ↔ 𝑃 ∥ ((𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) − -1)))
87	61, 86	mpbid 232	. 2 ⊢ (𝑃 ∈ ℙ → 𝑃 ∥ ((𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) − -1))
88		fcoi1 6708	. . . . . . . . . 10 ⊢ (( I ↾ (1...(𝑃 − 1))):(1...(𝑃 − 1))⟶(1...(𝑃 − 1)) → (( I ↾ (1...(𝑃 − 1))) ∘ ( I ↾ (1...(𝑃 − 1)))) = ( I ↾ (1...(𝑃 − 1))))
89	73, 88	ax-mp 5	. . . . . . . . 9 ⊢ (( I ↾ (1...(𝑃 − 1))) ∘ ( I ↾ (1...(𝑃 − 1)))) = ( I ↾ (1...(𝑃 − 1)))
90	89	fveq1i 6835	. . . . . . . 8 ⊢ ((( I ↾ (1...(𝑃 − 1))) ∘ ( I ↾ (1...(𝑃 − 1))))‘𝑘) = (( I ↾ (1...(𝑃 − 1)))‘𝑘)
91		fvres 6853	. . . . . . . 8 ⊢ (𝑘 ∈ (1...(𝑃 − 1)) → (( I ↾ (1...(𝑃 − 1)))‘𝑘) = ( I ‘𝑘))
92	90, 91	eqtrid 2784	. . . . . . 7 ⊢ (𝑘 ∈ (1...(𝑃 − 1)) → ((( I ↾ (1...(𝑃 − 1))) ∘ ( I ↾ (1...(𝑃 − 1))))‘𝑘) = ( I ‘𝑘))
93	92	adantl 481	. . . . . 6 ⊢ ((𝑃 ∈ ℙ ∧ 𝑘 ∈ (1...(𝑃 − 1))) → ((( I ↾ (1...(𝑃 − 1))) ∘ ( I ↾ (1...(𝑃 − 1))))‘𝑘) = ( I ‘𝑘))
94	5, 93	seqfveq 13979	. . . . 5 ⊢ (𝑃 ∈ ℙ → (seq1( · , (( I ↾ (1...(𝑃 − 1))) ∘ ( I ↾ (1...(𝑃 − 1)))))‘(𝑃 − 1)) = (seq1( · , I )‘(𝑃 − 1)))
95		cnfldbas 21348	. . . . . . 7 ⊢ ℂ = (Base‘ℂ_fld)
96	51, 95	mgpbas 20117	. . . . . 6 ⊢ ℂ = (Base‘𝑇)
97		cnfldmul 21352	. . . . . . 7 ⊢ · = (._r‘ℂ_fld)
98	51, 97	mgpplusg 20116	. . . . . 6 ⊢ · = (+_g‘𝑇)
99		eqid 2737	. . . . . 6 ⊢ (Cntz‘𝑇) = (Cntz‘𝑇)
100		cnring 21380	. . . . . . 7 ⊢ ℂ_fld ∈ Ring
101	51	ringmgp 20211	. . . . . . 7 ⊢ (ℂ_fld ∈ Ring → 𝑇 ∈ Mnd)
102	100, 101	mp1i 13	. . . . . 6 ⊢ (𝑃 ∈ ℙ → 𝑇 ∈ Mnd)
103		zsscn 12523	. . . . . . . 8 ⊢ ℤ ⊆ ℂ
104		fss 6678	. . . . . . . 8 ⊢ ((( I ↾ (1...(𝑃 − 1))):(1...(𝑃 − 1))⟶ℤ ∧ ℤ ⊆ ℂ) → ( I ↾ (1...(𝑃 − 1))):(1...(𝑃 − 1))⟶ℂ)
105	76, 103, 104	mp2an 693	. . . . . . 7 ⊢ ( I ↾ (1...(𝑃 − 1))):(1...(𝑃 − 1))⟶ℂ
106	105	a1i 11	. . . . . 6 ⊢ (𝑃 ∈ ℙ → ( I ↾ (1...(𝑃 − 1))):(1...(𝑃 − 1))⟶ℂ)
107	96, 99, 66, 106	cntzcmnf 19811	. . . . . 6 ⊢ (𝑃 ∈ ℙ → ran ( I ↾ (1...(𝑃 − 1))) ⊆ ((Cntz‘𝑇)‘ran ( I ↾ (1...(𝑃 − 1)))))
108		f1of1 6773	. . . . . . 7 ⊢ (( I ↾ (1...(𝑃 − 1))):(1...(𝑃 − 1))–1-1-onto→(1...(𝑃 − 1)) → ( I ↾ (1...(𝑃 − 1))):(1...(𝑃 − 1))–1-1→(1...(𝑃 − 1)))
109	71, 108	mp1i 13	. . . . . 6 ⊢ (𝑃 ∈ ℙ → ( I ↾ (1...(𝑃 − 1))):(1...(𝑃 − 1))–1-1→(1...(𝑃 − 1)))
110		suppssdm 8120	. . . . . . . . 9 ⊢ (( I ↾ (1...(𝑃 − 1))) supp 1) ⊆ dom ( I ↾ (1...(𝑃 − 1)))
111		dmresi 6011	. . . . . . . . 9 ⊢ dom ( I ↾ (1...(𝑃 − 1))) = (1...(𝑃 − 1))
112	110, 111	sseqtri 3971	. . . . . . . 8 ⊢ (( I ↾ (1...(𝑃 − 1))) supp 1) ⊆ (1...(𝑃 − 1))
113		rnresi 6034	. . . . . . . 8 ⊢ ran ( I ↾ (1...(𝑃 − 1))) = (1...(𝑃 − 1))
114	112, 113	sseqtrri 3972	. . . . . . 7 ⊢ (( I ↾ (1...(𝑃 − 1))) supp 1) ⊆ ran ( I ↾ (1...(𝑃 − 1)))
115	114	a1i 11	. . . . . 6 ⊢ (𝑃 ∈ ℙ → (( I ↾ (1...(𝑃 − 1))) supp 1) ⊆ ran ( I ↾ (1...(𝑃 − 1))))
116		eqid 2737	. . . . . 6 ⊢ ((( I ↾ (1...(𝑃 − 1))) ∘ ( I ↾ (1...(𝑃 − 1)))) supp 1) = ((( I ↾ (1...(𝑃 − 1))) ∘ ( I ↾ (1...(𝑃 − 1)))) supp 1)
117	96, 63, 98, 99, 102, 67, 106, 107, 3, 109, 115, 116	gsumval3 19873	. . . . 5 ⊢ (𝑃 ∈ ℙ → (𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) = (seq1( · , (( I ↾ (1...(𝑃 − 1))) ∘ ( I ↾ (1...(𝑃 − 1)))))‘(𝑃 − 1)))
118		facnn 14228	. . . . . 6 ⊢ ((𝑃 − 1) ∈ ℕ → (!‘(𝑃 − 1)) = (seq1( · , I )‘(𝑃 − 1)))
119	3, 118	syl 17	. . . . 5 ⊢ (𝑃 ∈ ℙ → (!‘(𝑃 − 1)) = (seq1( · , I )‘(𝑃 − 1)))
120	94, 117, 119	3eqtr4d 2782	. . . 4 ⊢ (𝑃 ∈ ℙ → (𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) = (!‘(𝑃 − 1)))
121	120	oveq1d 7375	. . 3 ⊢ (𝑃 ∈ ℙ → ((𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) − -1) = ((!‘(𝑃 − 1)) − -1))
122		nnm1nn0 12469	. . . . . . 7 ⊢ (𝑃 ∈ ℕ → (𝑃 − 1) ∈ ℕ₀)
123	11, 122	syl 17	. . . . . 6 ⊢ (𝑃 ∈ ℙ → (𝑃 − 1) ∈ ℕ₀)
124	123	faccld 14237	. . . . 5 ⊢ (𝑃 ∈ ℙ → (!‘(𝑃 − 1)) ∈ ℕ)
125	124	nncnd 12181	. . . 4 ⊢ (𝑃 ∈ ℙ → (!‘(𝑃 − 1)) ∈ ℂ)
126		ax-1cn 11087	. . . 4 ⊢ 1 ∈ ℂ
127		subneg 11434	. . . 4 ⊢ (((!‘(𝑃 − 1)) ∈ ℂ ∧ 1 ∈ ℂ) → ((!‘(𝑃 − 1)) − -1) = ((!‘(𝑃 − 1)) + 1))
128	125, 126, 127	sylancl 587	. . 3 ⊢ (𝑃 ∈ ℙ → ((!‘(𝑃 − 1)) − -1) = ((!‘(𝑃 − 1)) + 1))
129	121, 128	eqtrd 2772	. 2 ⊢ (𝑃 ∈ ℙ → ((𝑇 Σ_g ( I ↾ (1...(𝑃 − 1)))) − -1) = ((!‘(𝑃 − 1)) + 1))
130	87, 129	breqtrd 5112	1 ⊢ (𝑃 ∈ ℙ → 𝑃 ∥ ((!‘(𝑃 − 1)) + 1))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 206 ∧ wa 395 ∧ w3a 1087 ∀wal 1540 = wceq 1542 ∈ wcel 2114 ∀wral 3052 {crab 3390 Vcvv 3430 ⊆ wss 3890 ⊊ wpss 3891 𝒫 cpw 4542 class class class wbr 5086 I cid 5518 dom cdm 5624 ran crn 5625 ↾ cres 5626 ∘ ccom 5628 ⟶wf 6488 –1-1→wf1 6489 –1-1-onto→wf1o 6491 ‘cfv 6492 (class class class)co 7360 supp csupp 8103 Fincfn 8886 ℂcc 11027 1c1 11030 + caddc 11032 · cmul 11034 − cmin 11368 -cneg 11369 ℕcn 12165 2c2 12227 ℕ₀cn0 12428 ℤcz 12515 ℤ_≥cuz 12779 ...cfz 13452 mod cmo 13819 seqcseq 13954 ↑cexp 14014 !cfa 14226 ∥ cdvds 16212 ℙcprime 16631 Σ_g cgsu 17394 Mndcmnd 18693 SubMndcsubmnd 18741 Cntzccntz 19281 CMndccmn 19746 mulGrpcmgp 20112 Ringcrg 20205 CRingccrg 20206 SubRingcsubrg 20537 ℂ_fldccnfld 21344

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5302 ax-pr 5370 ax-un 7682 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-pre-sup 11107 ax-addf 11108 ax-mulf 11109

This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-iin 4937 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-se 5578 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-isom 6501 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-of 7624 df-om 7811 df-1st 7935 df-2nd 7936 df-supp 8104 df-frecs 8224 df-wrecs 8255 df-recs 8304 df-rdg 8342 df-1o 8398 df-2o 8399 df-oadd 8402 df-er 8636 df-en 8887 df-dom 8888 df-sdom 8889 df-fin 8890 df-fsupp 9268 df-sup 9348 df-inf 9349 df-oi 9418 df-dju 9816 df-card 9854 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-sub 11370 df-neg 11371 df-div 11799 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-xnn0 12502 df-z 12516 df-dec 12636 df-uz 12780 df-rp 12934 df-fz 13453 df-fzo 13600 df-fl 13742 df-mod 13820 df-seq 13955 df-exp 14015 df-fac 14227 df-hash 14284 df-cj 15052 df-re 15053 df-im 15054 df-sqrt 15188 df-abs 15189 df-dvds 16213 df-gcd 16455 df-prm 16632 df-phi 16727 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-gsum 17396 df-mre 17539 df-mrc 17540 df-acs 17542 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-cntz 19283 df-cmn 19748 df-abl 19749 df-mgp 20113 df-rng 20125 df-ur 20154 df-ring 20207 df-cring 20208 df-subrng 20514 df-subrg 20538 df-cnfld 21345

This theorem is referenced by: wilth 27048

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