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Theorem prmdiveq 15940

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 1182	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∈ ℙ)
2		prmz 15836	. . . . . . . . 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		simprr 769	. . . . . . . 8 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∥ ((𝐴 · 𝑆) − 1))
5		prmdiv.1	. . . . . . . . . . 11 ⊢ 𝑅 = ((𝐴↑(𝑃 − 2)) mod 𝑃)
6	5	prmdiv 15939	. . . . . . . . . 10 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) → (𝑅 ∈ (1...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑅) − 1)))
7	6	adantr 481	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑅 ∈ (1...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑅) − 1)))
8	7	simprd 496	. . . . . . . 8 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∥ ((𝐴 · 𝑅) − 1))
9		simpl2 1183	. . . . . . . . . 10 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝐴 ∈ ℤ)
10		elfzelz 12747	. . . . . . . . . . 11 ⊢ (𝑆 ∈ (0...(𝑃 − 1)) → 𝑆 ∈ ℤ)
11	10	ad2antrl 724	. . . . . . . . . 10 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 ∈ ℤ)
12	9, 11	zmulcld 11931	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴 · 𝑆) ∈ ℤ)
13		1z 11850	. . . . . . . . 9 ⊢ 1 ∈ ℤ
14		zsubcl 11862	. . . . . . . . 9 ⊢ (((𝐴 · 𝑆) ∈ ℤ ∧ 1 ∈ ℤ) → ((𝐴 · 𝑆) − 1) ∈ ℤ)
15	12, 13, 14	sylancl 586	. . . . . . . 8 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → ((𝐴 · 𝑆) − 1) ∈ ℤ)
16	7	simpld 495	. . . . . . . . . . 11 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑅 ∈ (1...(𝑃 − 1)))
17		elfzelz 12747	. . . . . . . . . . 11 ⊢ (𝑅 ∈ (1...(𝑃 − 1)) → 𝑅 ∈ ℤ)
18	16, 17	syl 17	. . . . . . . . . 10 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑅 ∈ ℤ)
19	9, 18	zmulcld 11931	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴 · 𝑅) ∈ ℤ)
20		zsubcl 11862	. . . . . . . . 9 ⊢ (((𝐴 · 𝑅) ∈ ℤ ∧ 1 ∈ ℤ) → ((𝐴 · 𝑅) − 1) ∈ ℤ)
21	19, 13, 20	sylancl 586	. . . . . . . 8 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → ((𝐴 · 𝑅) − 1) ∈ ℤ)
22	3, 4, 8, 15, 21	dvds2subd 15466	. . . . . . 7 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∥ (((𝐴 · 𝑆) − 1) − ((𝐴 · 𝑅) − 1)))
23	12	zcnd 11926	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴 · 𝑆) ∈ ℂ)
24	19	zcnd 11926	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴 · 𝑅) ∈ ℂ)
25		1cnd 10471	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 1 ∈ ℂ)
26	23, 24, 25	nnncan2d 10869	. . . . . . . 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	9	zcnd 11926	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝐴 ∈ ℂ)
28		elfznn0 12839	. . . . . . . . . . . 12 ⊢ (𝑆 ∈ (0...(𝑃 − 1)) → 𝑆 ∈ ℕ₀)
29	28	ad2antrl 724	. . . . . . . . . . 11 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 ∈ ℕ₀)
30	29	nn0red 11793	. . . . . . . . . 10 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 ∈ ℝ)
31	30	recnd 10504	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 ∈ ℂ)
32	18	zcnd 11926	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑅 ∈ ℂ)
33	27, 31, 32	subdid 10933	. . . . . . . 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 2832	. . . . . . 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 4982	. . . . . 6 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∥ (𝐴 · (𝑆 − 𝑅)))
36		simpl3 1184	. . . . . . 7 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → ¬ 𝑃 ∥ 𝐴)
37		coprm 15872	. . . . . . . 8 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → (¬ 𝑃 ∥ 𝐴 ↔ (𝑃 gcd 𝐴) = 1))
38	1, 9, 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 233	. . . . . 6 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑃 gcd 𝐴) = 1)
40	11, 18	zsubcld 11930	. . . . . . 7 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑆 − 𝑅) ∈ ℤ)
41		coprmdvds 15814	. . . . . . 7 ⊢ ((𝑃 ∈ ℤ ∧ 𝐴 ∈ ℤ ∧ (𝑆 − 𝑅) ∈ ℤ) → ((𝑃 ∥ (𝐴 · (𝑆 − 𝑅)) ∧ (𝑃 gcd 𝐴) = 1) → 𝑃 ∥ (𝑆 − 𝑅)))
42	3, 9, 40, 41	syl3anc 1362	. . . . . 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 695	. . . . 5 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∥ (𝑆 − 𝑅))
44		prmnn 15835	. . . . . . 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 15439	. . . . . 6 ⊢ ((𝑃 ∈ ℕ ∧ 𝑆 ∈ ℤ ∧ 𝑅 ∈ ℤ) → ((𝑆 mod 𝑃) = (𝑅 mod 𝑃) ↔ 𝑃 ∥ (𝑆 − 𝑅)))
47	45, 11, 18, 46	syl3anc 1362	. . . . 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 258	. . . 4 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑆 mod 𝑃) = (𝑅 mod 𝑃))
49	45	nnrpd 12268	. . . . 5 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑃 ∈ ℝ⁺)
50		elfzle1 12749	. . . . . 6 ⊢ (𝑆 ∈ (0...(𝑃 − 1)) → 0 ≤ 𝑆)
51	50	ad2antrl 724	. . . . 5 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 0 ≤ 𝑆)
52		elfzle2 12750	. . . . . . 7 ⊢ (𝑆 ∈ (0...(𝑃 − 1)) → 𝑆 ≤ (𝑃 − 1))
53	52	ad2antrl 724	. . . . . 6 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 ≤ (𝑃 − 1))
54		zltlem1 11873	. . . . . . 7 ⊢ ((𝑆 ∈ ℤ ∧ 𝑃 ∈ ℤ) → (𝑆 < 𝑃 ↔ 𝑆 ≤ (𝑃 − 1)))
55	11, 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 258	. . . . 5 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 < 𝑃)
57		modid 13102	. . . . 5 ⊢ (((𝑆 ∈ ℝ ∧ 𝑃 ∈ ℝ⁺) ∧ (0 ≤ 𝑆 ∧ 𝑆 < 𝑃)) → (𝑆 mod 𝑃) = 𝑆)
58	30, 49, 51, 56, 57	syl22anc 835	. . . 4 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑆 mod 𝑃) = 𝑆)
59		prmuz2 15857	. . . . . . . . 9 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ (ℤ_≥‘2))
60		uznn0sub 12115	. . . . . . . . 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 13282	. . . . . . . 8 ⊢ ((𝐴 ∈ ℤ ∧ (𝑃 − 2) ∈ ℕ₀) → (𝐴↑(𝑃 − 2)) ∈ ℤ)
63	9, 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 11925	. . . . . 6 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝐴↑(𝑃 − 2)) ∈ ℝ)
65		modabs2 13111	. . . . . 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	5	oveq1i 7017	. . . . 5 ⊢ (𝑅 mod 𝑃) = (((𝐴↑(𝑃 − 2)) mod 𝑃) mod 𝑃)
68	66, 67, 5	3eqtr4g 2854	. . . 4 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → (𝑅 mod 𝑃) = 𝑅)
69	48, 58, 68	3eqtr3d 2837	. . 3 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) ∧ (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))) → 𝑆 = 𝑅)
70	69	ex 413	. 2 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) → ((𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1)) → 𝑆 = 𝑅))
71		fz1ssfz0 12842	. . . . . 6 ⊢ (1...(𝑃 − 1)) ⊆ (0...(𝑃 − 1))
72	71	sseli 3880	. . . . 5 ⊢ (𝑅 ∈ (1...(𝑃 − 1)) → 𝑅 ∈ (0...(𝑃 − 1)))
73		eleq1 2868	. . . . 5 ⊢ (𝑆 = 𝑅 → (𝑆 ∈ (0...(𝑃 − 1)) ↔ 𝑅 ∈ (0...(𝑃 − 1))))
74	72, 73	syl5ibr 247	. . . 4 ⊢ (𝑆 = 𝑅 → (𝑅 ∈ (1...(𝑃 − 1)) → 𝑆 ∈ (0...(𝑃 − 1))))
75		oveq2 7015	. . . . . . 7 ⊢ (𝑆 = 𝑅 → (𝐴 · 𝑆) = (𝐴 · 𝑅))
76	75	oveq1d 7022	. . . . . 6 ⊢ (𝑆 = 𝑅 → ((𝐴 · 𝑆) − 1) = ((𝐴 · 𝑅) − 1))
77	76	breq2d 4968	. . . . 5 ⊢ (𝑆 = 𝑅 → (𝑃 ∥ ((𝐴 · 𝑆) − 1) ↔ 𝑃 ∥ ((𝐴 · 𝑅) − 1)))
78	77	biimprd 249	. . . 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	6, 79	syl5com 31	. 2 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ ¬ 𝑃 ∥ 𝐴) → (𝑆 = 𝑅 → (𝑆 ∈ (0...(𝑃 − 1)) ∧ 𝑃 ∥ ((𝐴 · 𝑆) − 1))))
81	70, 80	impbid 213	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 207 ∧ wa 396 ∧ w3a 1078 = wceq 1520 ∈ wcel 2079 class class class wbr 4956 ‘cfv 6217 (class class class)co 7007 ℝcr 10371 0cc0 10372 1c1 10373 · cmul 10377 < clt 10510 ≤ cle 10511 − cmin 10706 ℕcn 11475 2c2 11529 ℕ₀cn0 11734 ℤcz 11818 ℤ_≥cuz 12082 ℝ⁺crp 12228 ...cfz 12731 mod cmo 13075 ↑cexp 13267 ∥ cdvds 15428 gcd cgcd 15664 ℙcprime 15832

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1775 ax-4 1789 ax-5 1886 ax-6 1945 ax-7 1990 ax-8 2081 ax-9 2089 ax-10 2110 ax-11 2124 ax-12 2139 ax-13 2342 ax-ext 2767 ax-rep 5075 ax-sep 5088 ax-nul 5095 ax-pow 5150 ax-pr 5214 ax-un 7310 ax-cnex 10428 ax-resscn 10429 ax-1cn 10430 ax-icn 10431 ax-addcl 10432 ax-addrcl 10433 ax-mulcl 10434 ax-mulrcl 10435 ax-mulcom 10436 ax-addass 10437 ax-mulass 10438 ax-distr 10439 ax-i2m1 10440 ax-1ne0 10441 ax-1rid 10442 ax-rnegex 10443 ax-rrecex 10444 ax-cnre 10445 ax-pre-lttri 10446 ax-pre-lttrn 10447 ax-pre-ltadd 10448 ax-pre-mulgt0 10449 ax-pre-sup 10450

This theorem depends on definitions: df-bi 208 df-an 397 df-or 843 df-3or 1079 df-3an 1080 df-tru 1523 df-ex 1760 df-nf 1764 df-sb 2041 df-mo 2574 df-eu 2610 df-clab 2774 df-cleq 2786 df-clel 2861 df-nfc 2933 df-ne 2983 df-nel 3089 df-ral 3108 df-rex 3109 df-reu 3110 df-rmo 3111 df-rab 3112 df-v 3434 df-sbc 3702 df-csb 3807 df-dif 3857 df-un 3859 df-in 3861 df-ss 3869 df-pss 3871 df-nul 4207 df-if 4376 df-pw 4449 df-sn 4467 df-pr 4469 df-tp 4471 df-op 4473 df-uni 4740 df-int 4777 df-iun 4821 df-br 4957 df-opab 5019 df-mpt 5036 df-tr 5058 df-id 5340 df-eprel 5345 df-po 5354 df-so 5355 df-fr 5394 df-we 5396 df-xp 5441 df-rel 5442 df-cnv 5443 df-co 5444 df-dm 5445 df-rn 5446 df-res 5447 df-ima 5448 df-pred 6015 df-ord 6061 df-on 6062 df-lim 6063 df-suc 6064 df-iota 6181 df-fun 6219 df-fn 6220 df-f 6221 df-f1 6222 df-fo 6223 df-f1o 6224 df-fv 6225 df-riota 6968 df-ov 7010 df-oprab 7011 df-mpo 7012 df-om 7428 df-1st 7536 df-2nd 7537 df-wrecs 7789 df-recs 7851 df-rdg 7889 df-1o 7944 df-2o 7945 df-oadd 7948 df-er 8130 df-map 8249 df-en 8348 df-dom 8349 df-sdom 8350 df-fin 8351 df-sup 8742 df-inf 8743 df-dju 9165 df-card 9203 df-pnf 10512 df-mnf 10513 df-xr 10514 df-ltxr 10515 df-le 10516 df-sub 10708 df-neg 10709 df-div 11135 df-nn 11476 df-2 11537 df-3 11538 df-n0 11735 df-xnn0 11805 df-z 11819 df-uz 12083 df-rp 12229 df-fz 12732 df-fzo 12873 df-fl 13000 df-mod 13076 df-seq 13208 df-exp 13268 df-hash 13529 df-cj 14280 df-re 14281 df-im 14282 df-sqrt 14416 df-abs 14417 df-dvds 15429 df-gcd 15665 df-prm 15833 df-phi 15920

This theorem is referenced by: prmdivdiv 15941 modprminveq 15954 wilthlem1 25315 wilthlem2 25316

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