lcmineqlem23 - Mathbox for metakunt

	Mathbox for metakunt		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > Mathboxes > lcmineqlem23		Structured version Visualization version GIF version

Theorem lcmineqlem23 41574

Description: Penultimate step to the lcm inequality lemma. (Contributed by metakunt, 12-May-2024.)

**Hypotheses**
Ref	Expression
lcmineqlem23.1	⊢ (𝜑 → 𝑁 ∈ ℕ)
lcmineqlem23.2	⊢ (𝜑 → 9 ≤ 𝑁)

**Assertion**
Ref	Expression
lcmineqlem23	⊢ (𝜑 → (2↑𝑁) ≤ (lcm‘(1...𝑁)))

**Proof of Theorem lcmineqlem23**
Step	Hyp	Ref	Expression
1		lcmineqlem23.1	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝑁 ∈ ℕ)
2		2nn 12310	. . . . . . . . . . . . 13 ⊢ 2 ∈ ℕ
3	2	a1i 11	. . . . . . . . . . . 12 ⊢ (𝜑 → 2 ∈ ℕ)
4	1, 3	jca 510	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑁 ∈ ℕ ∧ 2 ∈ ℕ))
5		nndivdvds 16234	. . . . . . . . . . 11 ⊢ ((𝑁 ∈ ℕ ∧ 2 ∈ ℕ) → (2 ∥ 𝑁 ↔ (𝑁 / 2) ∈ ℕ))
6	4, 5	syl 17	. . . . . . . . . 10 ⊢ (𝜑 → (2 ∥ 𝑁 ↔ (𝑁 / 2) ∈ ℕ))
7	6	biimpa 475	. . . . . . . . 9 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → (𝑁 / 2) ∈ ℕ)
8	7	nnzd 12610	. . . . . . . 8 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → (𝑁 / 2) ∈ ℤ)
9		1zzd 12618	. . . . . . . 8 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → 1 ∈ ℤ)
10	8, 9	zsubcld 12696	. . . . . . 7 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → ((𝑁 / 2) − 1) ∈ ℤ)
11		0red 11242	. . . . . . . 8 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → 0 ∈ ℝ)
12		4re 12321	. . . . . . . . 9 ⊢ 4 ∈ ℝ
13	12	a1i 11	. . . . . . . 8 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → 4 ∈ ℝ)
14	7	nnred 12252	. . . . . . . . 9 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → (𝑁 / 2) ∈ ℝ)
15		1red 11240	. . . . . . . . 9 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → 1 ∈ ℝ)
16	14, 15	resubcld 11667	. . . . . . . 8 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → ((𝑁 / 2) − 1) ∈ ℝ)
17		4pos 12344	. . . . . . . . 9 ⊢ 0 < 4
18	17	a1i 11	. . . . . . . 8 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → 0 < 4)
19		5m1e4 12367	. . . . . . . . 9 ⊢ (5 − 1) = 4
20		5re 12324	. . . . . . . . . . 11 ⊢ 5 ∈ ℝ
21	20	a1i 11	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → 5 ∈ ℝ)
22	2	nncni 12247	. . . . . . . . . . . . . 14 ⊢ 2 ∈ ℂ
23		5cn 12325	. . . . . . . . . . . . . 14 ⊢ 5 ∈ ℂ
24	22, 23	mulcomi 11247	. . . . . . . . . . . . 13 ⊢ (2 · 5) = (5 · 2)
25		5t2e10 12802	. . . . . . . . . . . . 13 ⊢ (5 · 2) = ;10
26	24, 25	eqtri 2753	. . . . . . . . . . . 12 ⊢ (2 · 5) = ;10
27		10re 12721	. . . . . . . . . . . . . 14 ⊢ ;10 ∈ ℝ
28	27	recni 11253	. . . . . . . . . . . . 13 ⊢ ;10 ∈ ℂ
29	2	nnne0i 12277	. . . . . . . . . . . . 13 ⊢ 2 ≠ 0
30	28, 22, 23, 29	divmuli 11993	. . . . . . . . . . . 12 ⊢ ((;10 / 2) = 5 ↔ (2 · 5) = ;10)
31	26, 30	mpbir 230	. . . . . . . . . . 11 ⊢ (;10 / 2) = 5
32	27	a1i 11	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → ;10 ∈ ℝ)
33	1	nnred 12252	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝑁 ∈ ℝ)
34	33	adantr 479	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → 𝑁 ∈ ℝ)
35		2rp 13006	. . . . . . . . . . . . 13 ⊢ 2 ∈ ℝ⁺
36	35	a1i 11	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → 2 ∈ ℝ⁺)
37		9p1e10 12704	. . . . . . . . . . . . 13 ⊢ (9 + 1) = ;10
38		lcmineqlem23.2	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 9 ≤ 𝑁)
39		9re 12336	. . . . . . . . . . . . . . . . . . 19 ⊢ 9 ∈ ℝ
40	39	a1i 11	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → 9 ∈ ℝ)
41	40, 33	leloed 11382	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (9 ≤ 𝑁 ↔ (9 < 𝑁 ∨ 9 = 𝑁)))
42	38, 41	mpbid 231	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (9 < 𝑁 ∨ 9 = 𝑁))
43	42	adantr 479	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → (9 < 𝑁 ∨ 9 = 𝑁))
44		4cn 12322	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ 4 ∈ ℂ
45	22, 44	mulcomi 11247	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (2 · 4) = (4 · 2)
46		4t2e8 12405	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (4 · 2) = 8
47	45, 46	eqtri 2753	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (2 · 4) = 8
48		8re 12333	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ 8 ∈ ℝ
49	48	recni 11253	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ 8 ∈ ℂ
50	49, 22, 44, 29	divmuli 11993	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((8 / 2) = 4 ↔ (2 · 4) = 8)
51	47, 50	mpbir 230	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (8 / 2) = 4
52		4nn 12320	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ 4 ∈ ℕ
53	51, 52	eqeltri 2821	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (8 / 2) ∈ ℕ
54		8nn 12332	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ 8 ∈ ℕ
55		nndivdvds 16234	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((8 ∈ ℕ ∧ 2 ∈ ℕ) → (2 ∥ 8 ↔ (8 / 2) ∈ ℕ))
56	54, 2, 55	mp2an 690	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (2 ∥ 8 ↔ (8 / 2) ∈ ℕ)
57	53, 56	mpbir 230	. . . . . . . . . . . . . . . . . . . 20 ⊢ 2 ∥ 8
58		9m1e8 12371	. . . . . . . . . . . . . . . . . . . 20 ⊢ (9 − 1) = 8
59	57, 58	breqtrri 5171	. . . . . . . . . . . . . . . . . . 19 ⊢ 2 ∥ (9 − 1)
60		9nn 12335	. . . . . . . . . . . . . . . . . . . . 21 ⊢ 9 ∈ ℕ
61	60	nnzi 12611	. . . . . . . . . . . . . . . . . . . 20 ⊢ 9 ∈ ℤ
62		oddm1even 16314	. . . . . . . . . . . . . . . . . . . 20 ⊢ (9 ∈ ℤ → (¬ 2 ∥ 9 ↔ 2 ∥ (9 − 1)))
63	61, 62	ax-mp 5	. . . . . . . . . . . . . . . . . . 19 ⊢ (¬ 2 ∥ 9 ↔ 2 ∥ (9 − 1))
64	59, 63	mpbir 230	. . . . . . . . . . . . . . . . . 18 ⊢ ¬ 2 ∥ 9
65		breq2 5148	. . . . . . . . . . . . . . . . . 18 ⊢ (9 = 𝑁 → (2 ∥ 9 ↔ 2 ∥ 𝑁))
66	64, 65	mtbii 325	. . . . . . . . . . . . . . . . 17 ⊢ (9 = 𝑁 → ¬ 2 ∥ 𝑁)
67	66	con2i 139	. . . . . . . . . . . . . . . 16 ⊢ (2 ∥ 𝑁 → ¬ 9 = 𝑁)
68	67	adantl 480	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → ¬ 9 = 𝑁)
69	43, 68	olcnd 875	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → 9 < 𝑁)
70	1	nnzd 12610	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 𝑁 ∈ ℤ)
71		zltp1le 12637	. . . . . . . . . . . . . . . . 17 ⊢ ((9 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (9 < 𝑁 ↔ (9 + 1) ≤ 𝑁))
72	61, 71	mpan 688	. . . . . . . . . . . . . . . 16 ⊢ (𝑁 ∈ ℤ → (9 < 𝑁 ↔ (9 + 1) ≤ 𝑁))
73	70, 72	syl 17	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (9 < 𝑁 ↔ (9 + 1) ≤ 𝑁))
74	73	adantr 479	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → (9 < 𝑁 ↔ (9 + 1) ≤ 𝑁))
75	69, 74	mpbid 231	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → (9 + 1) ≤ 𝑁)
76	37, 75	eqbrtrrid 5180	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → ;10 ≤ 𝑁)
77	32, 34, 36, 76	lediv1dd 13101	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → (;10 / 2) ≤ (𝑁 / 2))
78	31, 77	eqbrtrrid 5180	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → 5 ≤ (𝑁 / 2))
79	21, 14, 15, 78	lesub1dd 11855	. . . . . . . . 9 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → (5 − 1) ≤ ((𝑁 / 2) − 1))
80	19, 79	eqbrtrrid 5180	. . . . . . . 8 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → 4 ≤ ((𝑁 / 2) − 1))
81	11, 13, 16, 18, 80	ltletrd 11399	. . . . . . 7 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → 0 < ((𝑁 / 2) − 1))
82	10, 81	jca 510	. . . . . 6 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → (((𝑁 / 2) − 1) ∈ ℤ ∧ 0 < ((𝑁 / 2) − 1)))
83		elnnz 12593	. . . . . 6 ⊢ (((𝑁 / 2) − 1) ∈ ℕ ↔ (((𝑁 / 2) − 1) ∈ ℤ ∧ 0 < ((𝑁 / 2) − 1)))
84	82, 83	sylibr 233	. . . . 5 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → ((𝑁 / 2) − 1) ∈ ℕ)
85	84, 80	lcmineqlem22 41573	. . . 4 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → ((2↑((2 · ((𝑁 / 2) − 1)) + 1)) ≤ (lcm‘(1...((2 · ((𝑁 / 2) − 1)) + 1))) ∧ (2↑((2 · ((𝑁 / 2) − 1)) + 2)) ≤ (lcm‘(1...((2 · ((𝑁 / 2) − 1)) + 2)))))
86	85	simprd 494	. . 3 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → (2↑((2 · ((𝑁 / 2) − 1)) + 2)) ≤ (lcm‘(1...((2 · ((𝑁 / 2) − 1)) + 2))))
87	3	nncnd 12253	. . . . . . . . . 10 ⊢ (𝜑 → 2 ∈ ℂ)
88	1	nncnd 12253	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑁 ∈ ℂ)
89	88	halfcld 12482	. . . . . . . . . 10 ⊢ (𝜑 → (𝑁 / 2) ∈ ℂ)
90	87, 89	muls1d 11699	. . . . . . . . 9 ⊢ (𝜑 → (2 · ((𝑁 / 2) − 1)) = ((2 · (𝑁 / 2)) − 2))
91	90	oveq1d 7428	. . . . . . . 8 ⊢ (𝜑 → ((2 · ((𝑁 / 2) − 1)) + 2) = (((2 · (𝑁 / 2)) − 2) + 2))
92	87, 89	mulcld 11259	. . . . . . . . 9 ⊢ (𝜑 → (2 · (𝑁 / 2)) ∈ ℂ)
93	92, 87	npcand 11600	. . . . . . . 8 ⊢ (𝜑 → (((2 · (𝑁 / 2)) − 2) + 2) = (2 · (𝑁 / 2)))
94	91, 93	eqtrd 2765	. . . . . . 7 ⊢ (𝜑 → ((2 · ((𝑁 / 2) − 1)) + 2) = (2 · (𝑁 / 2)))
95	3	nnne0d 12287	. . . . . . . 8 ⊢ (𝜑 → 2 ≠ 0)
96	88, 87, 95	divcan2d 12017	. . . . . . 7 ⊢ (𝜑 → (2 · (𝑁 / 2)) = 𝑁)
97	94, 96	eqtrd 2765	. . . . . 6 ⊢ (𝜑 → ((2 · ((𝑁 / 2) − 1)) + 2) = 𝑁)
98	97	oveq2d 7429	. . . . 5 ⊢ (𝜑 → (2↑((2 · ((𝑁 / 2) − 1)) + 2)) = (2↑𝑁))
99	97	oveq2d 7429	. . . . . 6 ⊢ (𝜑 → (1...((2 · ((𝑁 / 2) − 1)) + 2)) = (1...𝑁))
100	99	fveq2d 6894	. . . . 5 ⊢ (𝜑 → (lcm‘(1...((2 · ((𝑁 / 2) − 1)) + 2))) = (lcm‘(1...𝑁)))
101	98, 100	breq12d 5157	. . . 4 ⊢ (𝜑 → ((2↑((2 · ((𝑁 / 2) − 1)) + 2)) ≤ (lcm‘(1...((2 · ((𝑁 / 2) − 1)) + 2))) ↔ (2↑𝑁) ≤ (lcm‘(1...𝑁))))
102	101	adantr 479	. . 3 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → ((2↑((2 · ((𝑁 / 2) − 1)) + 2)) ≤ (lcm‘(1...((2 · ((𝑁 / 2) − 1)) + 2))) ↔ (2↑𝑁) ≤ (lcm‘(1...𝑁))))
103	86, 102	mpbid 231	. 2 ⊢ ((𝜑 ∧ 2 ∥ 𝑁) → (2↑𝑁) ≤ (lcm‘(1...𝑁)))
104		oddm1even 16314	. . . . . . . 8 ⊢ (𝑁 ∈ ℤ → (¬ 2 ∥ 𝑁 ↔ 2 ∥ (𝑁 − 1)))
105	70, 104	syl 17	. . . . . . 7 ⊢ (𝜑 → (¬ 2 ∥ 𝑁 ↔ 2 ∥ (𝑁 − 1)))
106	105	biimpa 475	. . . . . 6 ⊢ ((𝜑 ∧ ¬ 2 ∥ 𝑁) → 2 ∥ (𝑁 − 1))
107	2	a1i 11	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ 2 ∥ 𝑁) → 2 ∈ ℕ)
108		1zzd 12618	. . . . . . . . . . 11 ⊢ (𝜑 → 1 ∈ ℤ)
109	70, 108	zsubcld 12696	. . . . . . . . . 10 ⊢ (𝜑 → (𝑁 − 1) ∈ ℤ)
110		0red 11242	. . . . . . . . . . 11 ⊢ (𝜑 → 0 ∈ ℝ)
111	48	a1i 11	. . . . . . . . . . 11 ⊢ (𝜑 → 8 ∈ ℝ)
112		1red 11240	. . . . . . . . . . . 12 ⊢ (𝜑 → 1 ∈ ℝ)
113	33, 112	resubcld 11667	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑁 − 1) ∈ ℝ)
114		8pos 12349	. . . . . . . . . . . 12 ⊢ 0 < 8
115	114	a1i 11	. . . . . . . . . . 11 ⊢ (𝜑 → 0 < 8)
116	40, 33, 112, 38	lesub1dd 11855	. . . . . . . . . . . 12 ⊢ (𝜑 → (9 − 1) ≤ (𝑁 − 1))
117	58, 116	eqbrtrrid 5180	. . . . . . . . . . 11 ⊢ (𝜑 → 8 ≤ (𝑁 − 1))
118	110, 111, 113, 115, 117	ltletrd 11399	. . . . . . . . . 10 ⊢ (𝜑 → 0 < (𝑁 − 1))
119	109, 118	jca 510	. . . . . . . . 9 ⊢ (𝜑 → ((𝑁 − 1) ∈ ℤ ∧ 0 < (𝑁 − 1)))
120		elnnz 12593	. . . . . . . . 9 ⊢ ((𝑁 − 1) ∈ ℕ ↔ ((𝑁 − 1) ∈ ℤ ∧ 0 < (𝑁 − 1)))
121	119, 120	sylibr 233	. . . . . . . 8 ⊢ (𝜑 → (𝑁 − 1) ∈ ℕ)
122	121	adantr 479	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ 2 ∥ 𝑁) → (𝑁 − 1) ∈ ℕ)
123	107, 122	nndivdvdsd 41522	. . . . . 6 ⊢ ((𝜑 ∧ ¬ 2 ∥ 𝑁) → (2 ∥ (𝑁 − 1) ↔ ((𝑁 − 1) / 2) ∈ ℕ))
124	106, 123	mpbid 231	. . . . 5 ⊢ ((𝜑 ∧ ¬ 2 ∥ 𝑁) → ((𝑁 − 1) / 2) ∈ ℕ)
125	44, 22	mulcomi 11247	. . . . . . . . 9 ⊢ (4 · 2) = (2 · 4)
126	125, 46	eqtr3i 2755	. . . . . . . 8 ⊢ (2 · 4) = 8
127	126, 50	mpbir 230	. . . . . . 7 ⊢ (8 / 2) = 4
128	3	nnrpd 13041	. . . . . . . 8 ⊢ (𝜑 → 2 ∈ ℝ⁺)
129	111, 113, 128, 117	lediv1dd 13101	. . . . . . 7 ⊢ (𝜑 → (8 / 2) ≤ ((𝑁 − 1) / 2))
130	127, 129	eqbrtrrid 5180	. . . . . 6 ⊢ (𝜑 → 4 ≤ ((𝑁 − 1) / 2))
131	130	adantr 479	. . . . 5 ⊢ ((𝜑 ∧ ¬ 2 ∥ 𝑁) → 4 ≤ ((𝑁 − 1) / 2))
132	124, 131	lcmineqlem22 41573	. . . 4 ⊢ ((𝜑 ∧ ¬ 2 ∥ 𝑁) → ((2↑((2 · ((𝑁 − 1) / 2)) + 1)) ≤ (lcm‘(1...((2 · ((𝑁 − 1) / 2)) + 1))) ∧ (2↑((2 · ((𝑁 − 1) / 2)) + 2)) ≤ (lcm‘(1...((2 · ((𝑁 − 1) / 2)) + 2)))))
133	132	simpld 493	. . 3 ⊢ ((𝜑 ∧ ¬ 2 ∥ 𝑁) → (2↑((2 · ((𝑁 − 1) / 2)) + 1)) ≤ (lcm‘(1...((2 · ((𝑁 − 1) / 2)) + 1))))
134		1cnd 11234	. . . . . . . . . 10 ⊢ (𝜑 → 1 ∈ ℂ)
135	88, 134	subcld 11596	. . . . . . . . 9 ⊢ (𝜑 → (𝑁 − 1) ∈ ℂ)
136	135, 87, 95	divcan2d 12017	. . . . . . . 8 ⊢ (𝜑 → (2 · ((𝑁 − 1) / 2)) = (𝑁 − 1))
137	136	oveq1d 7428	. . . . . . 7 ⊢ (𝜑 → ((2 · ((𝑁 − 1) / 2)) + 1) = ((𝑁 − 1) + 1))
138	88, 134	npcand 11600	. . . . . . 7 ⊢ (𝜑 → ((𝑁 − 1) + 1) = 𝑁)
139	137, 138	eqtrd 2765	. . . . . 6 ⊢ (𝜑 → ((2 · ((𝑁 − 1) / 2)) + 1) = 𝑁)
140	139	oveq2d 7429	. . . . 5 ⊢ (𝜑 → (2↑((2 · ((𝑁 − 1) / 2)) + 1)) = (2↑𝑁))
141	139	oveq2d 7429	. . . . . 6 ⊢ (𝜑 → (1...((2 · ((𝑁 − 1) / 2)) + 1)) = (1...𝑁))
142	141	fveq2d 6894	. . . . 5 ⊢ (𝜑 → (lcm‘(1...((2 · ((𝑁 − 1) / 2)) + 1))) = (lcm‘(1...𝑁)))
143	140, 142	breq12d 5157	. . . 4 ⊢ (𝜑 → ((2↑((2 · ((𝑁 − 1) / 2)) + 1)) ≤ (lcm‘(1...((2 · ((𝑁 − 1) / 2)) + 1))) ↔ (2↑𝑁) ≤ (lcm‘(1...𝑁))))
144	143	adantr 479	. . 3 ⊢ ((𝜑 ∧ ¬ 2 ∥ 𝑁) → ((2↑((2 · ((𝑁 − 1) / 2)) + 1)) ≤ (lcm‘(1...((2 · ((𝑁 − 1) / 2)) + 1))) ↔ (2↑𝑁) ≤ (lcm‘(1...𝑁))))
145	133, 144	mpbid 231	. 2 ⊢ ((𝜑 ∧ ¬ 2 ∥ 𝑁) → (2↑𝑁) ≤ (lcm‘(1...𝑁)))
146	103, 145	pm2.61dan 811	1 ⊢ (𝜑 → (2↑𝑁) ≤ (lcm‘(1...𝑁)))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 394 ∨ wo 845 = wceq 1533 ∈ wcel 2098 class class class wbr 5144 ‘cfv 6543 (class class class)co 7413 ℝcr 11132 0cc0 11133 1c1 11134 + caddc 11136 · cmul 11138 < clt 11273 ≤ cle 11274 − cmin 11469 / cdiv 11896 ℕcn 12237 2c2 12292 4c4 12294 5c5 12295 8c8 12298 9c9 12299 ℤcz 12583 cdc 12702 ℝ⁺crp 13001 ...cfz 13511 ↑cexp 14053 ∥ cdvds 16225 lcmclcmf 16554

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2696 ax-rep 5281 ax-sep 5295 ax-nul 5302 ax-pow 5360 ax-pr 5424 ax-un 7735 ax-inf2 9659 ax-cc 10453 ax-cnex 11189 ax-resscn 11190 ax-1cn 11191 ax-icn 11192 ax-addcl 11193 ax-addrcl 11194 ax-mulcl 11195 ax-mulrcl 11196 ax-mulcom 11197 ax-addass 11198 ax-mulass 11199 ax-distr 11200 ax-i2m1 11201 ax-1ne0 11202 ax-1rid 11203 ax-rnegex 11204 ax-rrecex 11205 ax-cnre 11206 ax-pre-lttri 11207 ax-pre-lttrn 11208 ax-pre-ltadd 11209 ax-pre-mulgt0 11210 ax-pre-sup 11211 ax-addf 11212

This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2703 df-cleq 2717 df-clel 2802 df-nfc 2877 df-ne 2931 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3364 df-reu 3365 df-rab 3420 df-v 3465 df-sbc 3771 df-csb 3887 df-dif 3944 df-un 3946 df-in 3948 df-ss 3958 df-pss 3961 df-symdif 4238 df-nul 4320 df-if 4526 df-pw 4601 df-sn 4626 df-pr 4628 df-tp 4630 df-op 4632 df-uni 4905 df-int 4946 df-iun 4994 df-iin 4995 df-disj 5110 df-br 5145 df-opab 5207 df-mpt 5228 df-tr 5262 df-id 5571 df-eprel 5577 df-po 5585 df-so 5586 df-fr 5628 df-se 5629 df-we 5630 df-xp 5679 df-rel 5680 df-cnv 5681 df-co 5682 df-dm 5683 df-rn 5684 df-res 5685 df-ima 5686 df-pred 6301 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-isom 6552 df-riota 7369 df-ov 7416 df-oprab 7417 df-mpo 7418 df-of 7679 df-ofr 7680 df-om 7866 df-1st 7987 df-2nd 7988 df-supp 8159 df-frecs 8280 df-wrecs 8311 df-recs 8385 df-rdg 8424 df-1o 8480 df-2o 8481 df-oadd 8484 df-omul 8485 df-er 8718 df-map 8840 df-pm 8841 df-ixp 8910 df-en 8958 df-dom 8959 df-sdom 8960 df-fin 8961 df-fsupp 9381 df-fi 9429 df-sup 9460 df-inf 9461 df-oi 9528 df-dju 9919 df-card 9957 df-acn 9960 df-pnf 11275 df-mnf 11276 df-xr 11277 df-ltxr 11278 df-le 11279 df-sub 11471 df-neg 11472 df-div 11897 df-nn 12238 df-2 12300 df-3 12301 df-4 12302 df-5 12303 df-6 12304 df-7 12305 df-8 12306 df-9 12307 df-n0 12498 df-z 12584 df-dec 12703 df-uz 12848 df-q 12958 df-rp 13002 df-xneg 13119 df-xadd 13120 df-xmul 13121 df-ioo 13355 df-ioc 13356 df-ico 13357 df-icc 13358 df-fz 13512 df-fzo 13655 df-fl 13784 df-mod 13862 df-seq 13994 df-exp 14054 df-fac 14260 df-bc 14289 df-hash 14317 df-cj 15073 df-re 15074 df-im 15075 df-sqrt 15209 df-abs 15210 df-limsup 15442 df-clim 15459 df-rlim 15460 df-sum 15660 df-prod 15877 df-dvds 16226 df-gcd 16464 df-lcm 16555 df-lcmf 16556 df-struct 17110 df-sets 17127 df-slot 17145 df-ndx 17157 df-base 17175 df-ress 17204 df-plusg 17240 df-mulr 17241 df-starv 17242 df-sca 17243 df-vsca 17244 df-ip 17245 df-tset 17246 df-ple 17247 df-ds 17249 df-unif 17250 df-hom 17251 df-cco 17252 df-rest 17398 df-topn 17399 df-0g 17417 df-gsum 17418 df-topgen 17419 df-pt 17420 df-prds 17423 df-xrs 17478 df-qtop 17483 df-imas 17484 df-xps 17486 df-mre 17560 df-mrc 17561 df-acs 17563 df-mgm 18594 df-sgrp 18673 df-mnd 18689 df-submnd 18735 df-mulg 19023 df-cntz 19267 df-cmn 19736 df-psmet 21270 df-xmet 21271 df-met 21272 df-bl 21273 df-mopn 21274 df-fbas 21275 df-fg 21276 df-cnfld 21279 df-top 22809 df-topon 22826 df-topsp 22848 df-bases 22862 df-cld 22936 df-ntr 22937 df-cls 22938 df-nei 23015 df-lp 23053 df-perf 23054 df-cn 23144 df-cnp 23145 df-haus 23232 df-cmp 23304 df-tx 23479 df-hmeo 23672 df-fil 23763 df-fm 23855 df-flim 23856 df-flf 23857 df-xms 24239 df-ms 24240 df-tms 24241 df-cncf 24811 df-ovol 25406 df-vol 25407 df-mbf 25561 df-itg1 25562 df-itg2 25563 df-ibl 25564 df-itg 25565 df-0p 25612 df-limc 25808 df-dv 25809

This theorem is referenced by: lcmineqlem 41575

W3C validator