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Theorem prmdiveq 16833

Description: The modular inverse of 𝐴 mod 𝑃 is unique. (Contributed by Mario Carneiro, 24-Jan-2015.)

**Hypothesis**
Ref	Expression
prmdiv.1	⊢ 𝑅 = ((𝐴↑(𝑃 − 2)) mod 𝑃)

**Assertion**
Ref	Expression
prmdiveq	⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) → ((𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1)) ↔ 𝑆 = 𝑅))

**Proof of Theorem prmdiveq**
Step	Hyp	Ref	Expression
1		simpl1 1191	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∈ ℙ)
2		prmz 16722	. . . . . . . . 9 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℤ)
3	1, 2	syl 17	. . . . . . . 8 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∈ ℤ)
4		simpl2 1192	. . . . . . . . . 10 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝐴 ∈ ℤ)
5		elfzelz 13584	. . . . . . . . . . 11 ⊢ (𝑆 ∈ (0...(𝑃 − 1)) → 𝑆 ∈ ℤ)
6	5	ad2antrl 727	. . . . . . . . . 10 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 ∈ ℤ)
7	4, 6	zmulcld 12753	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴 · 𝑆) ∈ ℤ)
8		1z 12673	. . . . . . . . 9 ⊢ 1 ∈ ℤ
9		zsubcl 12685	. . . . . . . . 9 ⊢ (((𝐴 · 𝑆) ∈ ℤ ∧ 1 ∈ ℤ) → ((𝐴 · 𝑆) − 1) ∈ ℤ)
10	7, 8, 9	sylancl 585	. . . . . . . 8 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → ((𝐴 · 𝑆) − 1) ∈ ℤ)
11		prmdiv.1	. . . . . . . . . . . . . 14 ⊢ 𝑅 = ((𝐴↑(𝑃 − 2)) mod 𝑃)
12	11	prmdiv 16832	. . . . . . . . . . . . 13 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) → (𝑅 ∈ (1...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑅) − 1)))
13	12	adantr 480	. . . . . . . . . . . 12 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑅 ∈ (1...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑅) − 1)))
14	13	simpld 494	. . . . . . . . . . 11 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑅 ∈ (1...(𝑃 − 1)))
15		elfzelz 13584	. . . . . . . . . . 11 ⊢ (𝑅 ∈ (1...(𝑃 − 1)) → 𝑅 ∈ ℤ)
16	14, 15	syl 17	. . . . . . . . . 10 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑅 ∈ ℤ)
17	4, 16	zmulcld 12753	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴 · 𝑅) ∈ ℤ)
18		zsubcl 12685	. . . . . . . . 9 ⊢ (((𝐴 · 𝑅) ∈ ℤ ∧ 1 ∈ ℤ) → ((𝐴 · 𝑅) − 1) ∈ ℤ)
19	17, 8, 18	sylancl 585	. . . . . . . 8 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → ((𝐴 · 𝑅) − 1) ∈ ℤ)
20		simprr 772	. . . . . . . 8 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∥ ((𝐴 · 𝑆) − 1))
21	13	simprd 495	. . . . . . . 8 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∥ ((𝐴 · 𝑅) − 1))
22	3, 10, 19, 20, 21	dvds2subd 16341	. . . . . . 7 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∥ (((𝐴 · 𝑆) − 1) − ((𝐴 · 𝑅) − 1)))
23	7	zcnd 12748	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴 · 𝑆) ∈ ℂ)
24	17	zcnd 12748	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴 · 𝑅) ∈ ℂ)
25		1cnd 11285	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 1 ∈ ℂ)
26	23, 24, 25	nnncan2d 11682	. . . . . . . 8 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (((𝐴 · 𝑆) − 1) − ((𝐴 · 𝑅) − 1)) = ((𝐴 · 𝑆) − (𝐴 · 𝑅)))
27	4	zcnd 12748	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝐴 ∈ ℂ)
28		elfznn0 13677	. . . . . . . . . . . 12 ⊢ (𝑆 ∈ (0...(𝑃 − 1)) → 𝑆 ∈ ℕ₀)
29	28	ad2antrl 727	. . . . . . . . . . 11 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 ∈ ℕ₀)
30	29	nn0red 12614	. . . . . . . . . 10 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 ∈ ℝ)
31	30	recnd 11318	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 ∈ ℂ)
32	16	zcnd 12748	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑅 ∈ ℂ)
33	27, 31, 32	subdid 11746	. . . . . . . 8 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴 · (𝑆 − 𝑅)) = ((𝐴 · 𝑆) − (𝐴 · 𝑅)))
34	26, 33	eqtr4d 2783	. . . . . . 7 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (((𝐴 · 𝑆) − 1) − ((𝐴 · 𝑅) − 1)) = (𝐴 · (𝑆 − 𝑅)))
35	22, 34	breqtrd 5192	. . . . . 6 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∥ (𝐴 · (𝑆 − 𝑅)))
36		simpl3 1193	. . . . . . 7 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → ¬ 𝑃 ∥ 𝐴)
37		coprm 16758	. . . . . . . 8 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → (¬ 𝑃 ∥ 𝐴 ↔ (𝑃 gcd 𝐴) = 1))
38	1, 4, 37	syl2anc 583	. . . . . . 7 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (¬ 𝑃 ∥ 𝐴 ↔ (𝑃 gcd 𝐴) = 1))
39	36, 38	mpbid 232	. . . . . 6 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑃 gcd 𝐴) = 1)
40	6, 16	zsubcld 12752	. . . . . . 7 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑆 − 𝑅) ∈ ℤ)
41		coprmdvds 16700	. . . . . . 7 ⊢ ((𝑃 ∈ ℤ ∧ 𝐴 ∈ ℤ ∧ (𝑆 − 𝑅) ∈ ℤ) → ((𝑃 ∥ (𝐴 · (𝑆 − 𝑅)) ∧ (𝑃 gcd 𝐴) = 1) → 𝑃 ∥ (𝑆 − 𝑅)))
42	3, 4, 40, 41	syl3anc 1371	. . . . . 6 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → ((𝑃 ∥ (𝐴 · (𝑆 − 𝑅)) ∧ (𝑃 gcd 𝐴) = 1) → 𝑃 ∥ (𝑆 − 𝑅)))
43	35, 39, 42	mp2and 698	. . . . 5 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∥ (𝑆 − 𝑅))
44		prmnn 16721	. . . . . . 7 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℕ)
45	1, 44	syl 17	. . . . . 6 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∈ ℕ)
46		moddvds 16313	. . . . . 6 ⊢ ((𝑃 ∈ ℕ ∧ 𝑆 ∈ ℤ ∧ 𝑅 ∈ ℤ) → ((𝑆 mod 𝑃) = (𝑅 mod 𝑃) ↔ 𝑃 ∥ (𝑆 − 𝑅)))
47	45, 6, 16, 46	syl3anc 1371	. . . . 5 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → ((𝑆 mod 𝑃) = (𝑅 mod 𝑃) ↔ 𝑃 ∥ (𝑆 − 𝑅)))
48	43, 47	mpbird 257	. . . 4 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑆 mod 𝑃) = (𝑅 mod 𝑃))
49	45	nnrpd 13097	. . . . 5 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∈ ℝ⁺)
50		elfzle1 13587	. . . . . 6 ⊢ (𝑆 ∈ (0...(𝑃 − 1)) → 0 ≤ 𝑆)
51	50	ad2antrl 727	. . . . 5 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 0 ≤ 𝑆)
52		elfzle2 13588	. . . . . . 7 ⊢ (𝑆 ∈ (0...(𝑃 − 1)) → 𝑆 ≤ (𝑃 − 1))
53	52	ad2antrl 727	. . . . . 6 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 ≤ (𝑃 − 1))
54		zltlem1 12696	. . . . . . 7 ⊢ ((𝑆 ∈ ℤ ∧ 𝑃 ∈ ℤ) → (𝑆 < 𝑃 ↔ 𝑆 ≤ (𝑃 − 1)))
55	6, 3, 54	syl2anc 583	. . . . . 6 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑆 < 𝑃 ↔ 𝑆 ≤ (𝑃 − 1)))
56	53, 55	mpbird 257	. . . . 5 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 < 𝑃)
57		modid 13947	. . . . 5 ⊢ (((𝑆 ∈ ℝ ∧ 𝑃 ∈ ℝ⁺) ∧ (0 ≤ 𝑆 ∧ 𝑆 < 𝑃)) → (𝑆 mod 𝑃) = 𝑆)
58	30, 49, 51, 56, 57	syl22anc 838	. . . 4 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑆 mod 𝑃) = 𝑆)
59		prmuz2 16743	. . . . . . . . 9 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ (ℤ_≥‘2))
60		uznn0sub 12942	. . . . . . . . 9 ⊢ (𝑃 ∈ (ℤ_≥‘2) → (𝑃 − 2) ∈ ℕ₀)
61	1, 59, 60	3syl 18	. . . . . . . 8 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑃 − 2) ∈ ℕ₀)
62		zexpcl 14127	. . . . . . . 8 ⊢ ((𝐴 ∈ ℤ ∧ (𝑃 − 2) ∈ ℕ₀) → (𝐴↑(𝑃 − 2)) ∈ ℤ)
63	4, 61, 62	syl2anc 583	. . . . . . 7 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴↑(𝑃 − 2)) ∈ ℤ)
64	63	zred 12747	. . . . . 6 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴↑(𝑃 − 2)) ∈ ℝ)
65		modabs2 13956	. . . . . 6 ⊢ (((𝐴↑(𝑃 − 2)) ∈ ℝ ∧ 𝑃 ∈ ℝ⁺) → (((𝐴↑(𝑃 − 2)) mod 𝑃) mod 𝑃) = ((𝐴↑(𝑃 − 2)) mod 𝑃))
66	64, 49, 65	syl2anc 583	. . . . 5 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (((𝐴↑(𝑃 − 2)) mod 𝑃) mod 𝑃) = ((𝐴↑(𝑃 − 2)) mod 𝑃))
67	11	oveq1i 7458	. . . . 5 ⊢ (𝑅 mod 𝑃) = (((𝐴↑(𝑃 − 2)) mod 𝑃) mod 𝑃)
68	66, 67, 11	3eqtr4g 2805	. . . 4 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑅 mod 𝑃) = 𝑅)
69	48, 58, 68	3eqtr3d 2788	. . 3 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 = 𝑅)
70	69	ex 412	. 2 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) → ((𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1)) → 𝑆 = 𝑅))
71		fz1ssfz0 13680	. . . . . 6 ⊢ (1...(𝑃 − 1)) ⊆ (0...(𝑃 − 1))
72	71	sseli 4004	. . . . 5 ⊢ (𝑅 ∈ (1...(𝑃 − 1)) → 𝑅 ∈ (0...(𝑃 − 1)))
73		eleq1 2832	. . . . 5 ⊢ (𝑆 = 𝑅 → (𝑆 ∈ (0...(𝑃 − 1)) ↔ 𝑅 ∈ (0...(𝑃 − 1))))
74	72, 73	imbitrrid 246	. . . 4 ⊢ (𝑆 = 𝑅 → (𝑅 ∈ (1...(𝑃 − 1)) → 𝑆 ∈ (0...(𝑃 − 1))))
75		oveq2 7456	. . . . . . 7 ⊢ (𝑆 = 𝑅 → (𝐴 · 𝑆) = (𝐴 · 𝑅))
76	75	oveq1d 7463	. . . . . 6 ⊢ (𝑆 = 𝑅 → ((𝐴 · 𝑆) − 1) = ((𝐴 · 𝑅) − 1))
77	76	breq2d 5178	. . . . 5 ⊢ (𝑆 = 𝑅 → (𝑃 ∥ ((𝐴 · 𝑆) − 1) ↔ 𝑃 ∥ ((𝐴 · 𝑅) − 1)))
78	77	biimprd 248	. . . 4 ⊢ (𝑆 = 𝑅 → (𝑃 ∥ ((𝐴 · 𝑅) − 1) → 𝑃 ∥ ((𝐴 · 𝑆) − 1)))
79	74, 78	anim12d 608	. . 3 ⊢ (𝑆 = 𝑅 → ((𝑅 ∈ (1...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑅) − 1)) → (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))))
80	12, 79	syl5com 31	. 2 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) → (𝑆 = 𝑅 → (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))))
81	70, 80	impbid 212	1 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) → ((𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1)) ↔ 𝑆 = 𝑅))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 206 ∧ wa 395 ∧ w3a 1087 = wceq 1537 ∈ wcel 2108 class class class wbr 5166 ‘cfv 6573 (class class class)co 7448 ℝcr 11183 0cc0 11184 1c1 11185 · cmul 11189 < clt 11324 ≤ cle 11325 − cmin 11520 ℕcn 12293 2c2 12348 ℕ₀cn0 12553 ℤcz 12639 ℤ_≥cuz 12903 ℝ⁺crp 13057 ...cfz 13567 mod cmo 13920 ↑cexp 14112 ∥ cdvds 16302 gcd cgcd 16540 ℙcprime 16718

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2158 ax-12 2178 ax-ext 2711 ax-rep 5303 ax-sep 5317 ax-nul 5324 ax-pow 5383 ax-pr 5447 ax-un 7770 ax-cnex 11240 ax-resscn 11241 ax-1cn 11242 ax-icn 11243 ax-addcl 11244 ax-addrcl 11245 ax-mulcl 11246 ax-mulrcl 11247 ax-mulcom 11248 ax-addass 11249 ax-mulass 11250 ax-distr 11251 ax-i2m1 11252 ax-1ne0 11253 ax-1rid 11254 ax-rnegex 11255 ax-rrecex 11256 ax-cnre 11257 ax-pre-lttri 11258 ax-pre-lttrn 11259 ax-pre-ltadd 11260 ax-pre-mulgt0 11261 ax-pre-sup 11262

This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3or 1088 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-nf 1782 df-sb 2065 df-mo 2543 df-eu 2572 df-clab 2718 df-cleq 2732 df-clel 2819 df-nfc 2895 df-ne 2947 df-nel 3053 df-ral 3068 df-rex 3077 df-rmo 3388 df-reu 3389 df-rab 3444 df-v 3490 df-sbc 3805 df-csb 3922 df-dif 3979 df-un 3981 df-in 3983 df-ss 3993 df-pss 3996 df-nul 4353 df-if 4549 df-pw 4624 df-sn 4649 df-pr 4651 df-op 4655 df-uni 4932 df-int 4971 df-iun 5017 df-br 5167 df-opab 5229 df-mpt 5250 df-tr 5284 df-id 5593 df-eprel 5599 df-po 5607 df-so 5608 df-fr 5652 df-we 5654 df-xp 5706 df-rel 5707 df-cnv 5708 df-co 5709 df-dm 5710 df-rn 5711 df-res 5712 df-ima 5713 df-pred 6332 df-ord 6398 df-on 6399 df-lim 6400 df-suc 6401 df-iota 6525 df-fun 6575 df-fn 6576 df-f 6577 df-f1 6578 df-fo 6579 df-f1o 6580 df-fv 6581 df-riota 7404 df-ov 7451 df-oprab 7452 df-mpo 7453 df-om 7904 df-1st 8030 df-2nd 8031 df-frecs 8322 df-wrecs 8353 df-recs 8427 df-rdg 8466 df-1o 8522 df-2o 8523 df-oadd 8526 df-er 8763 df-en 9004 df-dom 9005 df-sdom 9006 df-fin 9007 df-sup 9511 df-inf 9512 df-dju 9970 df-card 10008 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 df-sub 11522 df-neg 11523 df-div 11948 df-nn 12294 df-2 12356 df-3 12357 df-n0 12554 df-xnn0 12626 df-z 12640 df-uz 12904 df-rp 13058 df-fz 13568 df-fzo 13712 df-fl 13843 df-mod 13921 df-seq 14053 df-exp 14113 df-hash 14380 df-cj 15148 df-re 15149 df-im 15150 df-sqrt 15284 df-abs 15285 df-dvds 16303 df-gcd 16541 df-prm 16719 df-phi 16813

This theorem is referenced by: prmdivdiv 16834 modprminveq 16847 wilthlem1 27129 wilthlem2 27130

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