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Theorem prmdiveq 16823

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 1192	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∈ ℙ)
2		prmz 16712	. . . . . . . . 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 1193	. . . . . . . . . 10 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝐴 ∈ ℤ)
5		elfzelz 13564	. . . . . . . . . . 11 ⊢ (𝑆 ∈ (0...(𝑃 − 1)) → 𝑆 ∈ ℤ)
6	5	ad2antrl 728	. . . . . . . . . 10 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 ∈ ℤ)
7	4, 6	zmulcld 12728	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴 · 𝑆) ∈ ℤ)
8		1z 12647	. . . . . . . . 9 ⊢ 1 ∈ ℤ
9		zsubcl 12659	. . . . . . . . 9 ⊢ (((𝐴 · 𝑆) ∈ ℤ ∧ 1 ∈ ℤ) → ((𝐴 · 𝑆) − 1) ∈ ℤ)
10	7, 8, 9	sylancl 586	. . . . . . . 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 16822	. . . . . . . . . . . . 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 13564	. . . . . . . . . . 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 12728	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴 · 𝑅) ∈ ℤ)
18		zsubcl 12659	. . . . . . . . 9 ⊢ (((𝐴 · 𝑅) ∈ ℤ ∧ 1 ∈ ℤ) → ((𝐴 · 𝑅) − 1) ∈ ℤ)
19	17, 8, 18	sylancl 586	. . . . . . . 8 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → ((𝐴 · 𝑅) − 1) ∈ ℤ)
20		simprr 773	. . . . . . . 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 16330	. . . . . . 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 12723	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴 · 𝑆) ∈ ℂ)
24	17	zcnd 12723	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴 · 𝑅) ∈ ℂ)
25		1cnd 11256	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 1 ∈ ℂ)
26	23, 24, 25	nnncan2d 11655	. . . . . . . 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 12723	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝐴 ∈ ℂ)
28		elfznn0 13660	. . . . . . . . . . . 12 ⊢ (𝑆 ∈ (0...(𝑃 − 1)) → 𝑆 ∈ ℕ₀)
29	28	ad2antrl 728	. . . . . . . . . . 11 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 ∈ ℕ₀)
30	29	nn0red 12588	. . . . . . . . . 10 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 ∈ ℝ)
31	30	recnd 11289	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 ∈ ℂ)
32	16	zcnd 12723	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑅 ∈ ℂ)
33	27, 31, 32	subdid 11719	. . . . . . . 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 2780	. . . . . . 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 5169	. . . . . 6 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∥ (𝐴 · (𝑆 − 𝑅)))
36		simpl3 1194	. . . . . . 7 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → ¬ 𝑃 ∥ 𝐴)
37		coprm 16748	. . . . . . . 8 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → (¬ 𝑃 ∥ 𝐴 ↔ (𝑃 gcd 𝐴) = 1))
38	1, 4, 37	syl2anc 584	. . . . . . 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 12727	. . . . . . 7 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑆 − 𝑅) ∈ ℤ)
41		coprmdvds 16690	. . . . . . 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 1373	. . . . . 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 699	. . . . 5 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∥ (𝑆 − 𝑅))
44		prmnn 16711	. . . . . . 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 16301	. . . . . 6 ⊢ ((𝑃 ∈ ℕ ∧ 𝑆 ∈ ℤ ∧ 𝑅 ∈ ℤ) → ((𝑆 mod 𝑃) = (𝑅 mod 𝑃) ↔ 𝑃 ∥ (𝑆 − 𝑅)))
47	45, 6, 16, 46	syl3anc 1373	. . . . 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 13075	. . . . 5 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∈ ℝ⁺)
50		elfzle1 13567	. . . . . 6 ⊢ (𝑆 ∈ (0...(𝑃 − 1)) → 0 ≤ 𝑆)
51	50	ad2antrl 728	. . . . 5 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 0 ≤ 𝑆)
52		elfzle2 13568	. . . . . . 7 ⊢ (𝑆 ∈ (0...(𝑃 − 1)) → 𝑆 ≤ (𝑃 − 1))
53	52	ad2antrl 728	. . . . . 6 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 ≤ (𝑃 − 1))
54		zltlem1 12670	. . . . . . 7 ⊢ ((𝑆 ∈ ℤ ∧ 𝑃 ∈ ℤ) → (𝑆 < 𝑃 ↔ 𝑆 ≤ (𝑃 − 1)))
55	6, 3, 54	syl2anc 584	. . . . . 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 13936	. . . . 5 ⊢ (((𝑆 ∈ ℝ ∧ 𝑃 ∈ ℝ⁺) ∧ (0 ≤ 𝑆 ∧ 𝑆 < 𝑃)) → (𝑆 mod 𝑃) = 𝑆)
58	30, 49, 51, 56, 57	syl22anc 839	. . . 4 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑆 mod 𝑃) = 𝑆)
59		prmuz2 16733	. . . . . . . . 9 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ (ℤ_≥‘2))
60		uznn0sub 12917	. . . . . . . . 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 14117	. . . . . . . 8 ⊢ ((𝐴 ∈ ℤ ∧ (𝑃 − 2) ∈ ℕ₀) → (𝐴↑(𝑃 − 2)) ∈ ℤ)
63	4, 61, 62	syl2anc 584	. . . . . . 7 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴↑(𝑃 − 2)) ∈ ℤ)
64	63	zred 12722	. . . . . 6 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴↑(𝑃 − 2)) ∈ ℝ)
65		modabs2 13945	. . . . . 6 ⊢ (((𝐴↑(𝑃 − 2)) ∈ ℝ ∧ 𝑃 ∈ ℝ⁺) → (((𝐴↑(𝑃 − 2)) mod 𝑃) mod 𝑃) = ((𝐴↑(𝑃 − 2)) mod 𝑃))
66	64, 49, 65	syl2anc 584	. . . . 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 7441	. . . . 5 ⊢ (𝑅 mod 𝑃) = (((𝐴↑(𝑃 − 2)) mod 𝑃) mod 𝑃)
68	66, 67, 11	3eqtr4g 2802	. . . 4 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑅 mod 𝑃) = 𝑅)
69	48, 58, 68	3eqtr3d 2785	. . 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 13663	. . . . . 6 ⊢ (1...(𝑃 − 1)) ⊆ (0...(𝑃 − 1))
72	71	sseli 3979	. . . . 5 ⊢ (𝑅 ∈ (1...(𝑃 − 1)) → 𝑅 ∈ (0...(𝑃 − 1)))
73		eleq1 2829	. . . . 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 7439	. . . . . . 7 ⊢ (𝑆 = 𝑅 → (𝐴 · 𝑆) = (𝐴 · 𝑅))
76	75	oveq1d 7446	. . . . . 6 ⊢ (𝑆 = 𝑅 → ((𝐴 · 𝑆) − 1) = ((𝐴 · 𝑅) − 1))
77	76	breq2d 5155	. . . . 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 609	. . 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 1540 ∈ wcel 2108 class class class wbr 5143 ‘cfv 6561 (class class class)co 7431 ℝcr 11154 0cc0 11155 1c1 11156 · cmul 11160 < clt 11295 ≤ cle 11296 − cmin 11492 ℕcn 12266 2c2 12321 ℕ₀cn0 12526 ℤcz 12613 ℤ_≥cuz 12878 ℝ⁺crp 13034 ...cfz 13547 mod cmo 13909 ↑cexp 14102 ∥ cdvds 16290 gcd cgcd 16531 ℙcprime 16708

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-rep 5279 ax-sep 5296 ax-nul 5306 ax-pow 5365 ax-pr 5432 ax-un 7755 ax-cnex 11211 ax-resscn 11212 ax-1cn 11213 ax-icn 11214 ax-addcl 11215 ax-addrcl 11216 ax-mulcl 11217 ax-mulrcl 11218 ax-mulcom 11219 ax-addass 11220 ax-mulass 11221 ax-distr 11222 ax-i2m1 11223 ax-1ne0 11224 ax-1rid 11225 ax-rnegex 11226 ax-rrecex 11227 ax-cnre 11228 ax-pre-lttri 11229 ax-pre-lttrn 11230 ax-pre-ltadd 11231 ax-pre-mulgt0 11232 ax-pre-sup 11233

This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3380 df-reu 3381 df-rab 3437 df-v 3482 df-sbc 3789 df-csb 3900 df-dif 3954 df-un 3956 df-in 3958 df-ss 3968 df-pss 3971 df-nul 4334 df-if 4526 df-pw 4602 df-sn 4627 df-pr 4629 df-op 4633 df-uni 4908 df-int 4947 df-iun 4993 df-br 5144 df-opab 5206 df-mpt 5226 df-tr 5260 df-id 5578 df-eprel 5584 df-po 5592 df-so 5593 df-fr 5637 df-we 5639 df-xp 5691 df-rel 5692 df-cnv 5693 df-co 5694 df-dm 5695 df-rn 5696 df-res 5697 df-ima 5698 df-pred 6321 df-ord 6387 df-on 6388 df-lim 6389 df-suc 6390 df-iota 6514 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-om 7888 df-1st 8014 df-2nd 8015 df-frecs 8306 df-wrecs 8337 df-recs 8411 df-rdg 8450 df-1o 8506 df-2o 8507 df-oadd 8510 df-er 8745 df-en 8986 df-dom 8987 df-sdom 8988 df-fin 8989 df-sup 9482 df-inf 9483 df-dju 9941 df-card 9979 df-pnf 11297 df-mnf 11298 df-xr 11299 df-ltxr 11300 df-le 11301 df-sub 11494 df-neg 11495 df-div 11921 df-nn 12267 df-2 12329 df-3 12330 df-n0 12527 df-xnn0 12600 df-z 12614 df-uz 12879 df-rp 13035 df-fz 13548 df-fzo 13695 df-fl 13832 df-mod 13910 df-seq 14043 df-exp 14103 df-hash 14370 df-cj 15138 df-re 15139 df-im 15140 df-sqrt 15274 df-abs 15275 df-dvds 16291 df-gcd 16532 df-prm 16709 df-phi 16803

This theorem is referenced by: prmdivdiv 16824 modprminveq 16838 wilthlem1 27111 wilthlem2 27112

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