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Theorem prmdiveq 16820

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 1190	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∈ ℙ)
2		prmz 16709	. . . . . . . . 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 1191	. . . . . . . . . 10 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝐴 ∈ ℤ)
5		elfzelz 13561	. . . . . . . . . . 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 12726	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴 · 𝑆) ∈ ℤ)
8		1z 12645	. . . . . . . . 9 ⊢ 1 ∈ ℤ
9		zsubcl 12657	. . . . . . . . 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 16819	. . . . . . . . . . . . 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 13561	. . . . . . . . . . 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 12726	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴 · 𝑅) ∈ ℤ)
18		zsubcl 12657	. . . . . . . . 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 16327	. . . . . . 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 12721	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴 · 𝑆) ∈ ℂ)
24	17	zcnd 12721	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴 · 𝑅) ∈ ℂ)
25		1cnd 11254	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 1 ∈ ℂ)
26	23, 24, 25	nnncan2d 11653	. . . . . . . 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 12721	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝐴 ∈ ℂ)
28		elfznn0 13657	. . . . . . . . . . . 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 12586	. . . . . . . . . 10 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 ∈ ℝ)
31	30	recnd 11287	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 ∈ ℂ)
32	16	zcnd 12721	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑅 ∈ ℂ)
33	27, 31, 32	subdid 11717	. . . . . . . 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 2778	. . . . . . 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 5174	. . . . . 6 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∥ (𝐴 · (𝑆 − 𝑅)))
36		simpl3 1192	. . . . . . 7 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → ¬ 𝑃 ∥ 𝐴)
37		coprm 16745	. . . . . . . 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 12725	. . . . . . 7 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑆 − 𝑅) ∈ ℤ)
41		coprmdvds 16687	. . . . . . 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 1370	. . . . . 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 16708	. . . . . . 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 16298	. . . . . 6 ⊢ ((𝑃 ∈ ℕ ∧ 𝑆 ∈ ℤ ∧ 𝑅 ∈ ℤ) → ((𝑆 mod 𝑃) = (𝑅 mod 𝑃) ↔ 𝑃 ∥ (𝑆 − 𝑅)))
47	45, 6, 16, 46	syl3anc 1370	. . . . 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 13073	. . . . 5 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∈ ℝ⁺)
50		elfzle1 13564	. . . . . 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 13565	. . . . . . 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 12668	. . . . . . 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 13933	. . . . 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 16730	. . . . . . . . 9 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ (ℤ_≥‘2))
60		uznn0sub 12915	. . . . . . . . 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 14114	. . . . . . . 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 12720	. . . . . 6 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴↑(𝑃 − 2)) ∈ ℝ)
65		modabs2 13942	. . . . . 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 2800	. . . 4 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑅 mod 𝑃) = 𝑅)
69	48, 58, 68	3eqtr3d 2783	. . 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 13660	. . . . . 6 ⊢ (1...(𝑃 − 1)) ⊆ (0...(𝑃 − 1))
72	71	sseli 3991	. . . . 5 ⊢ (𝑅 ∈ (1...(𝑃 − 1)) → 𝑅 ∈ (0...(𝑃 − 1)))
73		eleq1 2827	. . . . 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 5160	. . . . 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 1086 = wceq 1537 ∈ wcel 2106 class class class wbr 5148 ‘cfv 6563 (class class class)co 7431 ℝcr 11152 0cc0 11153 1c1 11154 · cmul 11158 < clt 11293 ≤ cle 11294 − cmin 11490 ℕcn 12264 2c2 12319 ℕ₀cn0 12524 ℤcz 12611 ℤ_≥cuz 12876 ℝ⁺crp 13032 ...cfz 13544 mod cmo 13906 ↑cexp 14099 ∥ cdvds 16287 gcd cgcd 16528 ℙcprime 16705

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1908 ax-6 1965 ax-7 2005 ax-8 2108 ax-9 2116 ax-10 2139 ax-11 2155 ax-12 2175 ax-ext 2706 ax-rep 5285 ax-sep 5302 ax-nul 5312 ax-pow 5371 ax-pr 5438 ax-un 7754 ax-cnex 11209 ax-resscn 11210 ax-1cn 11211 ax-icn 11212 ax-addcl 11213 ax-addrcl 11214 ax-mulcl 11215 ax-mulrcl 11216 ax-mulcom 11217 ax-addass 11218 ax-mulass 11219 ax-distr 11220 ax-i2m1 11221 ax-1ne0 11222 ax-1rid 11223 ax-rnegex 11224 ax-rrecex 11225 ax-cnre 11226 ax-pre-lttri 11227 ax-pre-lttrn 11228 ax-pre-ltadd 11229 ax-pre-mulgt0 11230 ax-pre-sup 11231

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1540 df-fal 1550 df-ex 1777 df-nf 1781 df-sb 2063 df-mo 2538 df-eu 2567 df-clab 2713 df-cleq 2727 df-clel 2814 df-nfc 2890 df-ne 2939 df-nel 3045 df-ral 3060 df-rex 3069 df-rmo 3378 df-reu 3379 df-rab 3434 df-v 3480 df-sbc 3792 df-csb 3909 df-dif 3966 df-un 3968 df-in 3970 df-ss 3980 df-pss 3983 df-nul 4340 df-if 4532 df-pw 4607 df-sn 4632 df-pr 4634 df-op 4638 df-uni 4913 df-int 4952 df-iun 4998 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5583 df-eprel 5589 df-po 5597 df-so 5598 df-fr 5641 df-we 5643 df-xp 5695 df-rel 5696 df-cnv 5697 df-co 5698 df-dm 5699 df-rn 5700 df-res 5701 df-ima 5702 df-pred 6323 df-ord 6389 df-on 6390 df-lim 6391 df-suc 6392 df-iota 6516 df-fun 6565 df-fn 6566 df-f 6567 df-f1 6568 df-fo 6569 df-f1o 6570 df-fv 6571 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-om 7888 df-1st 8013 df-2nd 8014 df-frecs 8305 df-wrecs 8336 df-recs 8410 df-rdg 8449 df-1o 8505 df-2o 8506 df-oadd 8509 df-er 8744 df-en 8985 df-dom 8986 df-sdom 8987 df-fin 8988 df-sup 9480 df-inf 9481 df-dju 9939 df-card 9977 df-pnf 11295 df-mnf 11296 df-xr 11297 df-ltxr 11298 df-le 11299 df-sub 11492 df-neg 11493 df-div 11919 df-nn 12265 df-2 12327 df-3 12328 df-n0 12525 df-xnn0 12598 df-z 12612 df-uz 12877 df-rp 13033 df-fz 13545 df-fzo 13692 df-fl 13829 df-mod 13907 df-seq 14040 df-exp 14100 df-hash 14367 df-cj 15135 df-re 15136 df-im 15137 df-sqrt 15271 df-abs 15272 df-dvds 16288 df-gcd 16529 df-prm 16706 df-phi 16800

This theorem is referenced by: prmdivdiv 16821 modprminveq 16834 wilthlem1 27126 wilthlem2 27127

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