isprm3 - Intuitionistic Logic Explorer

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Theorem isprm3 11799

Description: The predicate "is a prime number". A prime number is an integer greater than or equal to 2 with no divisors strictly between 1 and itself. (Contributed by Paul Chapman, 26-Oct-2012.)

**Assertion**
Ref	Expression
isprm3	⊢ (𝑃 ∈ ℙ ↔ (𝑃 ∈ (ℤ_≥‘2) ∧ ∀𝑧 ∈ (2...(𝑃 − 1)) ¬ 𝑧 ∥ 𝑃))

Distinct variable group: 𝑧,𝑃

**Proof of Theorem isprm3**
Step	Hyp	Ref	Expression
1		isprm2 11798	. 2 ⊢ (𝑃 ∈ ℙ ↔ (𝑃 ∈ (ℤ_≥‘2) ∧ ∀𝑧 ∈ ℕ (𝑧 ∥ 𝑃 → (𝑧 = 1 ∨ 𝑧 = 𝑃))))
2		dvdszrcl 11498	. . . . . . . . . . 11 ⊢ (𝑧 ∥ 𝑃 → (𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ))
3	2	simpld 111	. . . . . . . . . 10 ⊢ (𝑧 ∥ 𝑃 → 𝑧 ∈ ℤ)
4		1zzd 9081	. . . . . . . . . 10 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → 1 ∈ ℤ)
5		zdceq 9126	. . . . . . . . . 10 ⊢ ((𝑧 ∈ ℤ ∧ 1 ∈ ℤ) → DECID 𝑧 = 1)
6	3, 4, 5	syl2an2 583	. . . . . . . . 9 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → DECID 𝑧 = 1)
7	2	simprd 113	. . . . . . . . . . 11 ⊢ (𝑧 ∥ 𝑃 → 𝑃 ∈ ℤ)
8	7	adantl 275	. . . . . . . . . 10 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → 𝑃 ∈ ℤ)
9		zdceq 9126	. . . . . . . . . 10 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → DECID 𝑧 = 𝑃)
10	3, 8, 9	syl2an2 583	. . . . . . . . 9 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → DECID 𝑧 = 𝑃)
11		dcor 919	. . . . . . . . 9 ⊢ (DECID 𝑧 = 1 → (DECID 𝑧 = 𝑃 → DECID (𝑧 = 1 ∨ 𝑧 = 𝑃)))
12	6, 10, 11	sylc 62	. . . . . . . 8 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → DECID (𝑧 = 1 ∨ 𝑧 = 𝑃))
13		imandc 874	. . . . . . . 8 ⊢ (DECID (𝑧 = 1 ∨ 𝑧 = 𝑃) → ((𝑧 ∈ ℕ → (𝑧 = 1 ∨ 𝑧 = 𝑃)) ↔ ¬ (𝑧 ∈ ℕ ∧ ¬ (𝑧 = 1 ∨ 𝑧 = 𝑃))))
14	12, 13	syl 14	. . . . . . 7 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → ((𝑧 ∈ ℕ → (𝑧 = 1 ∨ 𝑧 = 𝑃)) ↔ ¬ (𝑧 ∈ ℕ ∧ ¬ (𝑧 = 1 ∨ 𝑧 = 𝑃))))
15		eluz2nn 9364	. . . . . . . . . . . . . . . 16 ⊢ (𝑃 ∈ (ℤ_≥‘2) → 𝑃 ∈ ℕ)
16		nnz 9073	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑧 ∈ ℕ → 𝑧 ∈ ℤ)
17		dvdsle 11542	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℕ) → (𝑧 ∥ 𝑃 → 𝑧 ≤ 𝑃))
18	16, 17	sylan 281	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑧 ∈ ℕ ∧ 𝑃 ∈ ℕ) → (𝑧 ∥ 𝑃 → 𝑧 ≤ 𝑃))
19		nnge1 8743	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑧 ∈ ℕ → 1 ≤ 𝑧)
20	19	adantr 274	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑧 ∈ ℕ ∧ 𝑃 ∈ ℕ) → 1 ≤ 𝑧)
21	18, 20	jctild 314	. . . . . . . . . . . . . . . 16 ⊢ ((𝑧 ∈ ℕ ∧ 𝑃 ∈ ℕ) → (𝑧 ∥ 𝑃 → (1 ≤ 𝑧 ∧ 𝑧 ≤ 𝑃)))
22	15, 21	sylan2 284	. . . . . . . . . . . . . . 15 ⊢ ((𝑧 ∈ ℕ ∧ 𝑃 ∈ (ℤ_≥‘2)) → (𝑧 ∥ 𝑃 → (1 ≤ 𝑧 ∧ 𝑧 ≤ 𝑃)))
23		nnz 9073	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑃 ∈ ℕ → 𝑃 ∈ ℤ)
24		zre 9058	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑧 ∈ ℤ → 𝑧 ∈ ℝ)
25		1re 7765	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ 1 ∈ ℝ
26		leltap 8387	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((1 ∈ ℝ ∧ 𝑧 ∈ ℝ ∧ 1 ≤ 𝑧) → (1 < 𝑧 ↔ 𝑧 # 1))
27	25, 26	mp3an1 1302	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((𝑧 ∈ ℝ ∧ 1 ≤ 𝑧) → (1 < 𝑧 ↔ 𝑧 # 1))
28	24, 27	sylan 281	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝑧 ∈ ℤ ∧ 1 ≤ 𝑧) → (1 < 𝑧 ↔ 𝑧 # 1))
29		1z 9080	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ 1 ∈ ℤ
30		zapne 9125	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((𝑧 ∈ ℤ ∧ 1 ∈ ℤ) → (𝑧 # 1 ↔ 𝑧 ≠ 1))
31	29, 30	mpan2 421	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑧 ∈ ℤ → (𝑧 # 1 ↔ 𝑧 ≠ 1))
32	31	adantr 274	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝑧 ∈ ℤ ∧ 1 ≤ 𝑧) → (𝑧 # 1 ↔ 𝑧 ≠ 1))
33	28, 32	bitrd 187	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝑧 ∈ ℤ ∧ 1 ≤ 𝑧) → (1 < 𝑧 ↔ 𝑧 ≠ 1))
34	33	3adant2 1000	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ ∧ 1 ≤ 𝑧) → (1 < 𝑧 ↔ 𝑧 ≠ 1))
35	34	3expia 1183	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → (1 ≤ 𝑧 → (1 < 𝑧 ↔ 𝑧 ≠ 1)))
36		zre 9058	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑃 ∈ ℤ → 𝑃 ∈ ℝ)
37		leltap 8387	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((𝑧 ∈ ℝ ∧ 𝑃 ∈ ℝ ∧ 𝑧 ≤ 𝑃) → (𝑧 < 𝑃 ↔ 𝑃 # 𝑧))
38	24, 37	syl3an1 1249	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℝ ∧ 𝑧 ≤ 𝑃) → (𝑧 < 𝑃 ↔ 𝑃 # 𝑧))
39	36, 38	syl3an2 1250	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ ∧ 𝑧 ≤ 𝑃) → (𝑧 < 𝑃 ↔ 𝑃 # 𝑧))
40		zapne 9125	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((𝑃 ∈ ℤ ∧ 𝑧 ∈ ℤ) → (𝑃 # 𝑧 ↔ 𝑃 ≠ 𝑧))
41	40	ancoms 266	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → (𝑃 # 𝑧 ↔ 𝑃 ≠ 𝑧))
42	41	3adant3 1001	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ ∧ 𝑧 ≤ 𝑃) → (𝑃 # 𝑧 ↔ 𝑃 ≠ 𝑧))
43	39, 42	bitrd 187	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ ∧ 𝑧 ≤ 𝑃) → (𝑧 < 𝑃 ↔ 𝑃 ≠ 𝑧))
44	43	3expia 1183	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → (𝑧 ≤ 𝑃 → (𝑧 < 𝑃 ↔ 𝑃 ≠ 𝑧)))
45	35, 44	anim12d 333	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → ((1 ≤ 𝑧 ∧ 𝑧 ≤ 𝑃) → ((1 < 𝑧 ↔ 𝑧 ≠ 1) ∧ (𝑧 < 𝑃 ↔ 𝑃 ≠ 𝑧))))
46	23, 45	sylan2 284	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℕ) → ((1 ≤ 𝑧 ∧ 𝑧 ≤ 𝑃) → ((1 < 𝑧 ↔ 𝑧 ≠ 1) ∧ (𝑧 < 𝑃 ↔ 𝑃 ≠ 𝑧))))
47		pm4.38 594	. . . . . . . . . . . . . . . . . 18 ⊢ (((1 < 𝑧 ↔ 𝑧 ≠ 1) ∧ (𝑧 < 𝑃 ↔ 𝑃 ≠ 𝑧)) → ((1 < 𝑧 ∧ 𝑧 < 𝑃) ↔ (𝑧 ≠ 1 ∧ 𝑃 ≠ 𝑧)))
48		df-ne 2309	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑧 ≠ 1 ↔ ¬ 𝑧 = 1)
49		nesym 2353	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑃 ≠ 𝑧 ↔ ¬ 𝑧 = 𝑃)
50	48, 49	anbi12i 455	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑧 ≠ 1 ∧ 𝑃 ≠ 𝑧) ↔ (¬ 𝑧 = 1 ∧ ¬ 𝑧 = 𝑃))
51		ioran 741	. . . . . . . . . . . . . . . . . . 19 ⊢ (¬ (𝑧 = 1 ∨ 𝑧 = 𝑃) ↔ (¬ 𝑧 = 1 ∧ ¬ 𝑧 = 𝑃))
52	50, 51	bitr4i 186	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑧 ≠ 1 ∧ 𝑃 ≠ 𝑧) ↔ ¬ (𝑧 = 1 ∨ 𝑧 = 𝑃))
53	47, 52	syl6bb 195	. . . . . . . . . . . . . . . . 17 ⊢ (((1 < 𝑧 ↔ 𝑧 ≠ 1) ∧ (𝑧 < 𝑃 ↔ 𝑃 ≠ 𝑧)) → ((1 < 𝑧 ∧ 𝑧 < 𝑃) ↔ ¬ (𝑧 = 1 ∨ 𝑧 = 𝑃)))
54	46, 53	syl6 33	. . . . . . . . . . . . . . . 16 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℕ) → ((1 ≤ 𝑧 ∧ 𝑧 ≤ 𝑃) → ((1 < 𝑧 ∧ 𝑧 < 𝑃) ↔ ¬ (𝑧 = 1 ∨ 𝑧 = 𝑃))))
55	16, 15, 54	syl2an 287	. . . . . . . . . . . . . . 15 ⊢ ((𝑧 ∈ ℕ ∧ 𝑃 ∈ (ℤ_≥‘2)) → ((1 ≤ 𝑧 ∧ 𝑧 ≤ 𝑃) → ((1 < 𝑧 ∧ 𝑧 < 𝑃) ↔ ¬ (𝑧 = 1 ∨ 𝑧 = 𝑃))))
56	22, 55	syld 45	. . . . . . . . . . . . . 14 ⊢ ((𝑧 ∈ ℕ ∧ 𝑃 ∈ (ℤ_≥‘2)) → (𝑧 ∥ 𝑃 → ((1 < 𝑧 ∧ 𝑧 < 𝑃) ↔ ¬ (𝑧 = 1 ∨ 𝑧 = 𝑃))))
57	56	imp 123	. . . . . . . . . . . . 13 ⊢ (((𝑧 ∈ ℕ ∧ 𝑃 ∈ (ℤ_≥‘2)) ∧ 𝑧 ∥ 𝑃) → ((1 < 𝑧 ∧ 𝑧 < 𝑃) ↔ ¬ (𝑧 = 1 ∨ 𝑧 = 𝑃)))
58		eluzelz 9335	. . . . . . . . . . . . . . 15 ⊢ (𝑃 ∈ (ℤ_≥‘2) → 𝑃 ∈ ℤ)
59		zltp1le 9108	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((1 ∈ ℤ ∧ 𝑧 ∈ ℤ) → (1 < 𝑧 ↔ (1 + 1) ≤ 𝑧))
60	29, 59	mpan 420	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑧 ∈ ℤ → (1 < 𝑧 ↔ (1 + 1) ≤ 𝑧))
61		df-2 8779	. . . . . . . . . . . . . . . . . . . 20 ⊢ 2 = (1 + 1)
62	61	breq1i 3936	. . . . . . . . . . . . . . . . . . 19 ⊢ (2 ≤ 𝑧 ↔ (1 + 1) ≤ 𝑧)
63	60, 62	syl6bbr 197	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑧 ∈ ℤ → (1 < 𝑧 ↔ 2 ≤ 𝑧))
64	63	adantr 274	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → (1 < 𝑧 ↔ 2 ≤ 𝑧))
65		zltlem1 9111	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → (𝑧 < 𝑃 ↔ 𝑧 ≤ (𝑃 − 1)))
66	64, 65	anbi12d 464	. . . . . . . . . . . . . . . 16 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → ((1 < 𝑧 ∧ 𝑧 < 𝑃) ↔ (2 ≤ 𝑧 ∧ 𝑧 ≤ (𝑃 − 1))))
67		peano2zm 9092	. . . . . . . . . . . . . . . . 17 ⊢ (𝑃 ∈ ℤ → (𝑃 − 1) ∈ ℤ)
68		2z 9082	. . . . . . . . . . . . . . . . . 18 ⊢ 2 ∈ ℤ
69		elfz 9796	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑧 ∈ ℤ ∧ 2 ∈ ℤ ∧ (𝑃 − 1) ∈ ℤ) → (𝑧 ∈ (2...(𝑃 − 1)) ↔ (2 ≤ 𝑧 ∧ 𝑧 ≤ (𝑃 − 1))))
70	68, 69	mp3an2 1303	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑧 ∈ ℤ ∧ (𝑃 − 1) ∈ ℤ) → (𝑧 ∈ (2...(𝑃 − 1)) ↔ (2 ≤ 𝑧 ∧ 𝑧 ≤ (𝑃 − 1))))
71	67, 70	sylan2 284	. . . . . . . . . . . . . . . 16 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → (𝑧 ∈ (2...(𝑃 − 1)) ↔ (2 ≤ 𝑧 ∧ 𝑧 ≤ (𝑃 − 1))))
72	66, 71	bitr4d 190	. . . . . . . . . . . . . . 15 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → ((1 < 𝑧 ∧ 𝑧 < 𝑃) ↔ 𝑧 ∈ (2...(𝑃 − 1))))
73	16, 58, 72	syl2an 287	. . . . . . . . . . . . . 14 ⊢ ((𝑧 ∈ ℕ ∧ 𝑃 ∈ (ℤ_≥‘2)) → ((1 < 𝑧 ∧ 𝑧 < 𝑃) ↔ 𝑧 ∈ (2...(𝑃 − 1))))
74	73	adantr 274	. . . . . . . . . . . . 13 ⊢ (((𝑧 ∈ ℕ ∧ 𝑃 ∈ (ℤ_≥‘2)) ∧ 𝑧 ∥ 𝑃) → ((1 < 𝑧 ∧ 𝑧 < 𝑃) ↔ 𝑧 ∈ (2...(𝑃 − 1))))
75	57, 74	bitr3d 189	. . . . . . . . . . . 12 ⊢ (((𝑧 ∈ ℕ ∧ 𝑃 ∈ (ℤ_≥‘2)) ∧ 𝑧 ∥ 𝑃) → (¬ (𝑧 = 1 ∨ 𝑧 = 𝑃) ↔ 𝑧 ∈ (2...(𝑃 − 1))))
76	75	anasss 396	. . . . . . . . . . 11 ⊢ ((𝑧 ∈ ℕ ∧ (𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃)) → (¬ (𝑧 = 1 ∨ 𝑧 = 𝑃) ↔ 𝑧 ∈ (2...(𝑃 − 1))))
77	76	expcom 115	. . . . . . . . . 10 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → (𝑧 ∈ ℕ → (¬ (𝑧 = 1 ∨ 𝑧 = 𝑃) ↔ 𝑧 ∈ (2...(𝑃 − 1)))))
78	77	pm5.32d 445	. . . . . . . . 9 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → ((𝑧 ∈ ℕ ∧ ¬ (𝑧 = 1 ∨ 𝑧 = 𝑃)) ↔ (𝑧 ∈ ℕ ∧ 𝑧 ∈ (2...(𝑃 − 1)))))
79		fzssuz 9845	. . . . . . . . . . . . 13 ⊢ (2...(𝑃 − 1)) ⊆ (ℤ_≥‘2)
80		2eluzge1 9371	. . . . . . . . . . . . . 14 ⊢ 2 ∈ (ℤ_≥‘1)
81		uzss 9346	. . . . . . . . . . . . . 14 ⊢ (2 ∈ (ℤ_≥‘1) → (ℤ_≥‘2) ⊆ (ℤ_≥‘1))
82	80, 81	ax-mp 5	. . . . . . . . . . . . 13 ⊢ (ℤ_≥‘2) ⊆ (ℤ_≥‘1)
83	79, 82	sstri 3106	. . . . . . . . . . . 12 ⊢ (2...(𝑃 − 1)) ⊆ (ℤ_≥‘1)
84		nnuz 9361	. . . . . . . . . . . 12 ⊢ ℕ = (ℤ_≥‘1)
85	83, 84	sseqtrri 3132	. . . . . . . . . . 11 ⊢ (2...(𝑃 − 1)) ⊆ ℕ
86	85	sseli 3093	. . . . . . . . . 10 ⊢ (𝑧 ∈ (2...(𝑃 − 1)) → 𝑧 ∈ ℕ)
87	86	pm4.71ri 389	. . . . . . . . 9 ⊢ (𝑧 ∈ (2...(𝑃 − 1)) ↔ (𝑧 ∈ ℕ ∧ 𝑧 ∈ (2...(𝑃 − 1))))
88	78, 87	syl6bbr 197	. . . . . . . 8 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → ((𝑧 ∈ ℕ ∧ ¬ (𝑧 = 1 ∨ 𝑧 = 𝑃)) ↔ 𝑧 ∈ (2...(𝑃 − 1))))
89	88	notbid 656	. . . . . . 7 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → (¬ (𝑧 ∈ ℕ ∧ ¬ (𝑧 = 1 ∨ 𝑧 = 𝑃)) ↔ ¬ 𝑧 ∈ (2...(𝑃 − 1))))
90	14, 89	bitrd 187	. . . . . 6 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → ((𝑧 ∈ ℕ → (𝑧 = 1 ∨ 𝑧 = 𝑃)) ↔ ¬ 𝑧 ∈ (2...(𝑃 − 1))))
91	90	pm5.74da 439	. . . . 5 ⊢ (𝑃 ∈ (ℤ_≥‘2) → ((𝑧 ∥ 𝑃 → (𝑧 ∈ ℕ → (𝑧 = 1 ∨ 𝑧 = 𝑃))) ↔ (𝑧 ∥ 𝑃 → ¬ 𝑧 ∈ (2...(𝑃 − 1)))))
92		bi2.04 247	. . . . 5 ⊢ ((𝑧 ∥ 𝑃 → (𝑧 ∈ ℕ → (𝑧 = 1 ∨ 𝑧 = 𝑃))) ↔ (𝑧 ∈ ℕ → (𝑧 ∥ 𝑃 → (𝑧 = 1 ∨ 𝑧 = 𝑃))))
93		con2b 658	. . . . 5 ⊢ ((𝑧 ∥ 𝑃 → ¬ 𝑧 ∈ (2...(𝑃 − 1))) ↔ (𝑧 ∈ (2...(𝑃 − 1)) → ¬ 𝑧 ∥ 𝑃))
94	91, 92, 93	3bitr3g 221	. . . 4 ⊢ (𝑃 ∈ (ℤ_≥‘2) → ((𝑧 ∈ ℕ → (𝑧 ∥ 𝑃 → (𝑧 = 1 ∨ 𝑧 = 𝑃))) ↔ (𝑧 ∈ (2...(𝑃 − 1)) → ¬ 𝑧 ∥ 𝑃)))
95	94	ralbidv2 2439	. . 3 ⊢ (𝑃 ∈ (ℤ_≥‘2) → (∀𝑧 ∈ ℕ (𝑧 ∥ 𝑃 → (𝑧 = 1 ∨ 𝑧 = 𝑃)) ↔ ∀𝑧 ∈ (2...(𝑃 − 1)) ¬ 𝑧 ∥ 𝑃))
96	95	pm5.32i 449	. 2 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ ∀𝑧 ∈ ℕ (𝑧 ∥ 𝑃 → (𝑧 = 1 ∨ 𝑧 = 𝑃))) ↔ (𝑃 ∈ (ℤ_≥‘2) ∧ ∀𝑧 ∈ (2...(𝑃 − 1)) ¬ 𝑧 ∥ 𝑃))
97	1, 96	bitri 183	1 ⊢ (𝑃 ∈ ℙ ↔ (𝑃 ∈ (ℤ_≥‘2) ∧ ∀𝑧 ∈ (2...(𝑃 − 1)) ¬ 𝑧 ∥ 𝑃))

Colors of variables: wff set class

Syntax hints: ¬ wn 3 → wi 4 ∧ wa 103 ↔ wb 104 ∨ wo 697 DECID wdc 819 ∧ w3a 962 = wceq 1331 ∈ wcel 1480 ≠ wne 2308 ∀wral 2416 ⊆ wss 3071 class class class wbr 3929 ‘cfv 5123 (class class class)co 5774 ℝcr 7619 1c1 7621 + caddc 7623 < clt 7800 ≤ cle 7801 − cmin 7933 # cap 8343 ℕcn 8720 2c2 8771 ℤcz 9054 ℤ_≥cuz 9326 ...cfz 9790 ∥ cdvds 11493 ℙcprime 11788

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-coll 4043 ax-sep 4046 ax-nul 4054 ax-pow 4098 ax-pr 4131 ax-un 4355 ax-setind 4452 ax-iinf 4502 ax-cnex 7711 ax-resscn 7712 ax-1cn 7713 ax-1re 7714 ax-icn 7715 ax-addcl 7716 ax-addrcl 7717 ax-mulcl 7718 ax-mulrcl 7719 ax-addcom 7720 ax-mulcom 7721 ax-addass 7722 ax-mulass 7723 ax-distr 7724 ax-i2m1 7725 ax-0lt1 7726 ax-1rid 7727 ax-0id 7728 ax-rnegex 7729 ax-precex 7730 ax-cnre 7731 ax-pre-ltirr 7732 ax-pre-ltwlin 7733 ax-pre-lttrn 7734 ax-pre-apti 7735 ax-pre-ltadd 7736 ax-pre-mulgt0 7737 ax-pre-mulext 7738 ax-arch 7739 ax-caucvg 7740

This theorem depends on definitions: df-bi 116 df-stab 816 df-dc 820 df-3or 963 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ne 2309 df-nel 2404 df-ral 2421 df-rex 2422 df-reu 2423 df-rmo 2424 df-rab 2425 df-v 2688 df-sbc 2910 df-csb 3004 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-nul 3364 df-if 3475 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-int 3772 df-iun 3815 df-br 3930 df-opab 3990 df-mpt 3991 df-tr 4027 df-id 4215 df-po 4218 df-iso 4219 df-iord 4288 df-on 4290 df-ilim 4291 df-suc 4293 df-iom 4505 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-rn 4550 df-res 4551 df-ima 4552 df-iota 5088 df-fun 5125 df-fn 5126 df-f 5127 df-f1 5128 df-fo 5129 df-f1o 5130 df-fv 5131 df-riota 5730 df-ov 5777 df-oprab 5778 df-mpo 5779 df-1st 6038 df-2nd 6039 df-recs 6202 df-frec 6288 df-1o 6313 df-2o 6314 df-er 6429 df-en 6635 df-pnf 7802 df-mnf 7803 df-xr 7804 df-ltxr 7805 df-le 7806 df-sub 7935 df-neg 7936 df-reap 8337 df-ap 8344 df-div 8433 df-inn 8721 df-2 8779 df-3 8780 df-4 8781 df-n0 8978 df-z 9055 df-uz 9327 df-q 9412 df-rp 9442 df-fz 9791 df-seqfrec 10219 df-exp 10293 df-cj 10614 df-re 10615 df-im 10616 df-rsqrt 10770 df-abs 10771 df-dvds 11494 df-prm 11789

This theorem is referenced by: prmind2 11801 2prm 11808 3prm 11809

W3C validator