isprm3 - Intuitionistic Logic Explorer

	Intuitionistic Logic Explorer		< Previous Next > Nearby theorems
Mirrors > Home > ILE Home > Th. List > isprm3		GIF version

Theorem isprm3 12922

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 12921	. 2 ⊢ (𝑃 ∈ ℙ ↔ (𝑃 ∈ (ℤ_≥‘2) ∧ ∀𝑧 ∈ ℕ (𝑧 ∥ 𝑃 → (𝑧 = 1 ∨ 𝑧 = 𝑃))))
2		dvdszrcl 12585	. . . . . . . . . . 11 ⊢ (𝑧 ∥ 𝑃 → (𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ))
3	2	simpld 112	. . . . . . . . . 10 ⊢ (𝑧 ∥ 𝑃 → 𝑧 ∈ ℤ)
4		1zzd 9683	. . . . . . . . . 10 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → 1 ∈ ℤ)
5		zdceq 9732	. . . . . . . . . 10 ⊢ ((𝑧 ∈ ℤ ∧ 1 ∈ ℤ) → DECID 𝑧 = 1)
6	3, 4, 5	syl2an2 602	. . . . . . . . 9 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → DECID 𝑧 = 1)
7	2	simprd 114	. . . . . . . . . . 11 ⊢ (𝑧 ∥ 𝑃 → 𝑃 ∈ ℤ)
8	7	adantl 277	. . . . . . . . . 10 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → 𝑃 ∈ ℤ)
9		zdceq 9732	. . . . . . . . . 10 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → DECID 𝑧 = 𝑃)
10	3, 8, 9	syl2an2 602	. . . . . . . . 9 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → DECID 𝑧 = 𝑃)
11		dcor 948	. . . . . . . . 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 901	. . . . . . . 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 9983	. . . . . . . . . . . . . . . 16 ⊢ (𝑃 ∈ (ℤ_≥‘2) → 𝑃 ∈ ℕ)
16		nnz 9675	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑧 ∈ ℕ → 𝑧 ∈ ℤ)
17		dvdsle 12637	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℕ) → (𝑧 ∥ 𝑃 → 𝑧 ≤ 𝑃))
18	16, 17	sylan 283	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑧 ∈ ℕ ∧ 𝑃 ∈ ℕ) → (𝑧 ∥ 𝑃 → 𝑧 ≤ 𝑃))
19		nnge1 9337	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑧 ∈ ℕ → 1 ≤ 𝑧)
20	19	adantr 276	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑧 ∈ ℕ ∧ 𝑃 ∈ ℕ) → 1 ≤ 𝑧)
21	18, 20	jctild 316	. . . . . . . . . . . . . . . 16 ⊢ ((𝑧 ∈ ℕ ∧ 𝑃 ∈ ℕ) → (𝑧 ∥ 𝑃 → (1 ≤ 𝑧 ∧ 𝑧 ≤ 𝑃)))
22	15, 21	sylan2 286	. . . . . . . . . . . . . . 15 ⊢ ((𝑧 ∈ ℕ ∧ 𝑃 ∈ (ℤ_≥‘2)) → (𝑧 ∥ 𝑃 → (1 ≤ 𝑧 ∧ 𝑧 ≤ 𝑃)))
23		nnz 9675	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑃 ∈ ℕ → 𝑃 ∈ ℤ)
24		zre 9660	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑧 ∈ ℤ → 𝑧 ∈ ℝ)
25		1re 8332	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ 1 ∈ ℝ
26		leltap 8962	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((1 ∈ ℝ ∧ 𝑧 ∈ ℝ ∧ 1 ≤ 𝑧) → (1 < 𝑧 ↔ 𝑧 # 1))
27	25, 26	mp3an1 1365	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((𝑧 ∈ ℝ ∧ 1 ≤ 𝑧) → (1 < 𝑧 ↔ 𝑧 # 1))
28	24, 27	sylan 283	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝑧 ∈ ℤ ∧ 1 ≤ 𝑧) → (1 < 𝑧 ↔ 𝑧 # 1))
29		1z 9682	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ 1 ∈ ℤ
30		zapne 9731	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((𝑧 ∈ ℤ ∧ 1 ∈ ℤ) → (𝑧 # 1 ↔ 𝑧 ≠ 1))
31	29, 30	mpan2 429	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑧 ∈ ℤ → (𝑧 # 1 ↔ 𝑧 ≠ 1))
32	31	adantr 276	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝑧 ∈ ℤ ∧ 1 ≤ 𝑧) → (𝑧 # 1 ↔ 𝑧 ≠ 1))
33	28, 32	bitrd 188	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝑧 ∈ ℤ ∧ 1 ≤ 𝑧) → (1 < 𝑧 ↔ 𝑧 ≠ 1))
34	33	3adant2 1047	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ ∧ 1 ≤ 𝑧) → (1 < 𝑧 ↔ 𝑧 ≠ 1))
35	34	3expia 1236	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → (1 ≤ 𝑧 → (1 < 𝑧 ↔ 𝑧 ≠ 1)))
36		zre 9660	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑃 ∈ ℤ → 𝑃 ∈ ℝ)
37		leltap 8962	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((𝑧 ∈ ℝ ∧ 𝑃 ∈ ℝ ∧ 𝑧 ≤ 𝑃) → (𝑧 < 𝑃 ↔ 𝑃 # 𝑧))
38	24, 37	syl3an1 1311	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℝ ∧ 𝑧 ≤ 𝑃) → (𝑧 < 𝑃 ↔ 𝑃 # 𝑧))
39	36, 38	syl3an2 1312	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ ∧ 𝑧 ≤ 𝑃) → (𝑧 < 𝑃 ↔ 𝑃 # 𝑧))
40		zapne 9731	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((𝑃 ∈ ℤ ∧ 𝑧 ∈ ℤ) → (𝑃 # 𝑧 ↔ 𝑃 ≠ 𝑧))
41	40	ancoms 268	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → (𝑃 # 𝑧 ↔ 𝑃 ≠ 𝑧))
42	41	3adant3 1048	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ ∧ 𝑧 ≤ 𝑃) → (𝑃 # 𝑧 ↔ 𝑃 ≠ 𝑧))
43	39, 42	bitrd 188	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ ∧ 𝑧 ≤ 𝑃) → (𝑧 < 𝑃 ↔ 𝑃 ≠ 𝑧))
44	43	3expia 1236	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → (𝑧 ≤ 𝑃 → (𝑧 < 𝑃 ↔ 𝑃 ≠ 𝑧)))
45	35, 44	anim12d 335	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → ((1 ≤ 𝑧 ∧ 𝑧 ≤ 𝑃) → ((1 < 𝑧 ↔ 𝑧 ≠ 1) ∧ (𝑧 < 𝑃 ↔ 𝑃 ≠ 𝑧))))
46	23, 45	sylan2 286	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℕ) → ((1 ≤ 𝑧 ∧ 𝑧 ≤ 𝑃) → ((1 < 𝑧 ↔ 𝑧 ≠ 1) ∧ (𝑧 < 𝑃 ↔ 𝑃 ≠ 𝑧))))
47		pm4.38 613	. . . . . . . . . . . . . . . . . 18 ⊢ (((1 < 𝑧 ↔ 𝑧 ≠ 1) ∧ (𝑧 < 𝑃 ↔ 𝑃 ≠ 𝑧)) → ((1 < 𝑧 ∧ 𝑧 < 𝑃) ↔ (𝑧 ≠ 1 ∧ 𝑃 ≠ 𝑧)))
48		df-ne 2421	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑧 ≠ 1 ↔ ¬ 𝑧 = 1)
49		nesym 2465	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑃 ≠ 𝑧 ↔ ¬ 𝑧 = 𝑃)
50	48, 49	anbi12i 464	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑧 ≠ 1 ∧ 𝑃 ≠ 𝑧) ↔ (¬ 𝑧 = 1 ∧ ¬ 𝑧 = 𝑃))
51		ioran 764	. . . . . . . . . . . . . . . . . . 19 ⊢ (¬ (𝑧 = 1 ∨ 𝑧 = 𝑃) ↔ (¬ 𝑧 = 1 ∧ ¬ 𝑧 = 𝑃))
52	50, 51	bitr4i 187	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑧 ≠ 1 ∧ 𝑃 ≠ 𝑧) ↔ ¬ (𝑧 = 1 ∨ 𝑧 = 𝑃))
53	47, 52	bitrdi 196	. . . . . . . . . . . . . . . . 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 289	. . . . . . . . . . . . . . 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 124	. . . . . . . . . . . . 13 ⊢ (((𝑧 ∈ ℕ ∧ 𝑃 ∈ (ℤ_≥‘2)) ∧ 𝑧 ∥ 𝑃) → ((1 < 𝑧 ∧ 𝑧 < 𝑃) ↔ ¬ (𝑧 = 1 ∨ 𝑧 = 𝑃)))
58		eluzelz 9948	. . . . . . . . . . . . . . 15 ⊢ (𝑃 ∈ (ℤ_≥‘2) → 𝑃 ∈ ℤ)
59		zltp1le 9711	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((1 ∈ ℤ ∧ 𝑧 ∈ ℤ) → (1 < 𝑧 ↔ (1 + 1) ≤ 𝑧))
60	29, 59	mpan 428	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑧 ∈ ℤ → (1 < 𝑧 ↔ (1 + 1) ≤ 𝑧))
61		df-2 9373	. . . . . . . . . . . . . . . . . . . 20 ⊢ 2 = (1 + 1)
62	61	breq1i 4138	. . . . . . . . . . . . . . . . . . 19 ⊢ (2 ≤ 𝑧 ↔ (1 + 1) ≤ 𝑧)
63	60, 62	bitr4di 198	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑧 ∈ ℤ → (1 < 𝑧 ↔ 2 ≤ 𝑧))
64	63	adantr 276	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → (1 < 𝑧 ↔ 2 ≤ 𝑧))
65		zltlem1 9714	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → (𝑧 < 𝑃 ↔ 𝑧 ≤ (𝑃 − 1)))
66	64, 65	anbi12d 477	. . . . . . . . . . . . . . . 16 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → ((1 < 𝑧 ∧ 𝑧 < 𝑃) ↔ (2 ≤ 𝑧 ∧ 𝑧 ≤ (𝑃 − 1))))
67		peano2zm 9694	. . . . . . . . . . . . . . . . 17 ⊢ (𝑃 ∈ ℤ → (𝑃 − 1) ∈ ℤ)
68		2z 9684	. . . . . . . . . . . . . . . . . 18 ⊢ 2 ∈ ℤ
69		elfz 10435	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑧 ∈ ℤ ∧ 2 ∈ ℤ ∧ (𝑃 − 1) ∈ ℤ) → (𝑧 ∈ (2...(𝑃 − 1)) ↔ (2 ≤ 𝑧 ∧ 𝑧 ≤ (𝑃 − 1))))
70	68, 69	mp3an2 1366	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑧 ∈ ℤ ∧ (𝑃 − 1) ∈ ℤ) → (𝑧 ∈ (2...(𝑃 − 1)) ↔ (2 ≤ 𝑧 ∧ 𝑧 ≤ (𝑃 − 1))))
71	67, 70	sylan2 286	. . . . . . . . . . . . . . . 16 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → (𝑧 ∈ (2...(𝑃 − 1)) ↔ (2 ≤ 𝑧 ∧ 𝑧 ≤ (𝑃 − 1))))
72	66, 71	bitr4d 191	. . . . . . . . . . . . . . 15 ⊢ ((𝑧 ∈ ℤ ∧ 𝑃 ∈ ℤ) → ((1 < 𝑧 ∧ 𝑧 < 𝑃) ↔ 𝑧 ∈ (2...(𝑃 − 1))))
73	16, 58, 72	syl2an 289	. . . . . . . . . . . . . 14 ⊢ ((𝑧 ∈ ℕ ∧ 𝑃 ∈ (ℤ_≥‘2)) → ((1 < 𝑧 ∧ 𝑧 < 𝑃) ↔ 𝑧 ∈ (2...(𝑃 − 1))))
74	73	adantr 276	. . . . . . . . . . . . 13 ⊢ (((𝑧 ∈ ℕ ∧ 𝑃 ∈ (ℤ_≥‘2)) ∧ 𝑧 ∥ 𝑃) → ((1 < 𝑧 ∧ 𝑧 < 𝑃) ↔ 𝑧 ∈ (2...(𝑃 − 1))))
75	57, 74	bitr3d 190	. . . . . . . . . . . 12 ⊢ (((𝑧 ∈ ℕ ∧ 𝑃 ∈ (ℤ_≥‘2)) ∧ 𝑧 ∥ 𝑃) → (¬ (𝑧 = 1 ∨ 𝑧 = 𝑃) ↔ 𝑧 ∈ (2...(𝑃 − 1))))
76	75	anasss 403	. . . . . . . . . . 11 ⊢ ((𝑧 ∈ ℕ ∧ (𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃)) → (¬ (𝑧 = 1 ∨ 𝑧 = 𝑃) ↔ 𝑧 ∈ (2...(𝑃 − 1))))
77	76	expcom 116	. . . . . . . . . 10 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → (𝑧 ∈ ℕ → (¬ (𝑧 = 1 ∨ 𝑧 = 𝑃) ↔ 𝑧 ∈ (2...(𝑃 − 1)))))
78	77	pm5.32d 454	. . . . . . . . 9 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → ((𝑧 ∈ ℕ ∧ ¬ (𝑧 = 1 ∨ 𝑧 = 𝑃)) ↔ (𝑧 ∈ ℕ ∧ 𝑧 ∈ (2...(𝑃 − 1)))))
79		fzssuz 10489	. . . . . . . . . . . . 13 ⊢ (2...(𝑃 − 1)) ⊆ (ℤ_≥‘2)
80		2eluzge1 9993	. . . . . . . . . . . . . 14 ⊢ 2 ∈ (ℤ_≥‘1)
81		uzss 9960	. . . . . . . . . . . . . 14 ⊢ (2 ∈ (ℤ_≥‘1) → (ℤ_≥‘2) ⊆ (ℤ_≥‘1))
82	80, 81	ax-mp 5	. . . . . . . . . . . . 13 ⊢ (ℤ_≥‘2) ⊆ (ℤ_≥‘1)
83	79, 82	sstri 3257	. . . . . . . . . . . 12 ⊢ (2...(𝑃 − 1)) ⊆ (ℤ_≥‘1)
84		nnuz 9975	. . . . . . . . . . . 12 ⊢ ℕ = (ℤ_≥‘1)
85	83, 84	sseqtrri 3283	. . . . . . . . . . 11 ⊢ (2...(𝑃 − 1)) ⊆ ℕ
86	85	sseli 3244	. . . . . . . . . 10 ⊢ (𝑧 ∈ (2...(𝑃 − 1)) → 𝑧 ∈ ℕ)
87	86	pm4.71ri 396	. . . . . . . . 9 ⊢ (𝑧 ∈ (2...(𝑃 − 1)) ↔ (𝑧 ∈ ℕ ∧ 𝑧 ∈ (2...(𝑃 − 1))))
88	78, 87	bitr4di 198	. . . . . . . 8 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → ((𝑧 ∈ ℕ ∧ ¬ (𝑧 = 1 ∨ 𝑧 = 𝑃)) ↔ 𝑧 ∈ (2...(𝑃 − 1))))
89	88	notbid 677	. . . . . . 7 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → (¬ (𝑧 ∈ ℕ ∧ ¬ (𝑧 = 1 ∨ 𝑧 = 𝑃)) ↔ ¬ 𝑧 ∈ (2...(𝑃 − 1))))
90	14, 89	bitrd 188	. . . . . 6 ⊢ ((𝑃 ∈ (ℤ_≥‘2) ∧ 𝑧 ∥ 𝑃) → ((𝑧 ∈ ℕ → (𝑧 = 1 ∨ 𝑧 = 𝑃)) ↔ ¬ 𝑧 ∈ (2...(𝑃 − 1))))
91	90	pm5.74da 447	. . . . 5 ⊢ (𝑃 ∈ (ℤ_≥‘2) → ((𝑧 ∥ 𝑃 → (𝑧 ∈ ℕ → (𝑧 = 1 ∨ 𝑧 = 𝑃))) ↔ (𝑧 ∥ 𝑃 → ¬ 𝑧 ∈ (2...(𝑃 − 1)))))
92		bi2.04 248	. . . . 5 ⊢ ((𝑧 ∥ 𝑃 → (𝑧 ∈ ℕ → (𝑧 = 1 ∨ 𝑧 = 𝑃))) ↔ (𝑧 ∈ ℕ → (𝑧 ∥ 𝑃 → (𝑧 = 1 ∨ 𝑧 = 𝑃))))
93		con2b 679	. . . . 5 ⊢ ((𝑧 ∥ 𝑃 → ¬ 𝑧 ∈ (2...(𝑃 − 1))) ↔ (𝑧 ∈ (2...(𝑃 − 1)) → ¬ 𝑧 ∥ 𝑃))
94	91, 92, 93	3bitr3g 222	. . . 4 ⊢ (𝑃 ∈ (ℤ_≥‘2) → ((𝑧 ∈ ℕ → (𝑧 ∥ 𝑃 → (𝑧 = 1 ∨ 𝑧 = 𝑃))) ↔ (𝑧 ∈ (2...(𝑃 − 1)) → ¬ 𝑧 ∥ 𝑃)))
95	94	ralbidv2 2552	. . 3 ⊢ (𝑃 ∈ (ℤ_≥‘2) → (∀𝑧 ∈ ℕ (𝑧 ∥ 𝑃 → (𝑧 = 1 ∨ 𝑧 = 𝑃)) ↔ ∀𝑧 ∈ (2...(𝑃 − 1)) ¬ 𝑧 ∥ 𝑃))
96	95	pm5.32i 458	. 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 184	1 ⊢ (𝑃 ∈ ℙ ↔ (𝑃 ∈ (ℤ_≥‘2) ∧ ∀𝑧 ∈ (2...(𝑃 − 1)) ¬ 𝑧 ∥ 𝑃))

Colors of variables: wff set class

This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∧ wa 104 ↔ wb 105 ∨ wo 720 DECID wdc 846 ∧ w3a 1009 = wceq 1402 ∈ wcel 2209 ≠ wne 2420 ∀wral 2528 ⊆ wss 3220 class class class wbr 4131 ‘cfv 5380 (class class class)co 6088 ℝcr 8185 1c1 8187 + caddc 8189 < clt 8367 ≤ cle 8368 − cmin 8505 # cap 8918 ℕcn 9314 2c2 9365 ℤcz 9656 ℤ_≥cuz 9938 ...cfz 10429 ∥ cdvds 12580 ℙcprime 12911

This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4248 ax-sep 4251 ax-nul 4261 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-iinf 4737 ax-cnex 8277 ax-resscn 8278 ax-1cn 8279 ax-1re 8280 ax-icn 8281 ax-addcl 8282 ax-addrcl 8283 ax-mulcl 8284 ax-mulrcl 8285 ax-addcom 8286 ax-mulcom 8287 ax-addass 8288 ax-mulass 8289 ax-distr 8290 ax-i2m1 8291 ax-0lt1 8292 ax-1rid 8293 ax-0id 8294 ax-rnegex 8295 ax-precex 8296 ax-cnre 8297 ax-pre-ltirr 8298 ax-pre-ltwlin 8299 ax-pre-lttrn 8300 ax-pre-apti 8301 ax-pre-ltadd 8302 ax-pre-mulgt0 8303 ax-pre-mulext 8304 ax-arch 8305 ax-caucvg 8306

This proof depends on definitions: df-bi 117 df-stab 843 df-dc 847 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3639 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-iun 4014 df-br 4132 df-opab 4194 df-mpt 4195 df-tr 4232 df-id 4440 df-po 4443 df-iso 4444 df-iord 4513 df-on 4515 df-ilim 4516 df-suc 4518 df-iom 4740 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-ima 4789 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-f1 5385 df-fo 5386 df-f1o 5387 df-fv 5388 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-1st 6378 df-2nd 6379 df-recs 6580 df-frec 6666 df-1o 6691 df-2o 6692 df-er 6811 df-en 7028 df-pnf 8369 df-mnf 8370 df-xr 8371 df-ltxr 8372 df-le 8373 df-sub 8507 df-neg 8508 df-reap 8912 df-ap 8919 df-div 9012 df-inn 9315 df-2 9373 df-3 9374 df-4 9375 df-n0 9576 df-z 9657 df-uz 9939 df-q 10037 df-rp 10073 df-fz 10430 df-seqfrec 10907 df-exp 10998 df-cj 11630 df-re 11631 df-im 11632 df-rsqrt 11787 df-abs 11788 df-dvds 12581 df-prm 12912

This theorem is used by: prmind2 12924 2prm 12931 3prm 12932 prmdc 12934 isprm5 12947 mersenne 16309

W3C validator