Theorem efchtqdvds 16231

Description: The exponentiated Chebyshev function forms a divisibility chain between any two points. (Contributed by Mario Carneiro, 22-Sep-2014.)

Assertion

Ref	Expression
efchtqdvds	⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (exp‘(θ‘𝐴)) ∥ (exp‘(θ‘𝐵)))

Proof of Theorem efchtqdvds

Dummy variables 𝑝 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		chtqcl 16210	. . . . . . 7 ⊢ (𝐵 ∈ ℚ → (θ‘𝐵) ∈ ℝ)
2	1	3ad2ant2 1050	. . . . . 6 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (θ‘𝐵) ∈ ℝ)
3	2	recnd 8355	. . . . 5 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (θ‘𝐵) ∈ ℂ)
4		chtqcl 16210	. . . . . . 7 ⊢ (𝐴 ∈ ℚ → (θ‘𝐴) ∈ ℝ)
5	4	3ad2ant1 1049	. . . . . 6 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (θ‘𝐴) ∈ ℝ)
6	5	recnd 8355	. . . . 5 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (θ‘𝐴) ∈ ℂ)
7		efsub 12467	. . . . 5 ⊢ (((θ‘𝐵) ∈ ℂ ∧ (θ‘𝐴) ∈ ℂ) → (exp‘((θ‘𝐵) − (θ‘𝐴))) = ((exp‘(θ‘𝐵)) / (exp‘(θ‘𝐴))))
8	3, 6, 7	syl2anc 415	. . . 4 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (exp‘((θ‘𝐵) − (θ‘𝐴))) = ((exp‘(θ‘𝐵)) / (exp‘(θ‘𝐴))))
9		chtqfl 16224	. . . . . . . . 9 ⊢ (𝐵 ∈ ℚ → (θ‘(⌊‘𝐵)) = (θ‘𝐵))
10	9	3ad2ant2 1050	. . . . . . . 8 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (θ‘(⌊‘𝐵)) = (θ‘𝐵))
11		chtqfl 16224	. . . . . . . . 9 ⊢ (𝐴 ∈ ℚ → (θ‘(⌊‘𝐴)) = (θ‘𝐴))
12	11	3ad2ant1 1049	. . . . . . . 8 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (θ‘(⌊‘𝐴)) = (θ‘𝐴))
13	10, 12	oveq12d 6103	. . . . . . 7 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → ((θ‘(⌊‘𝐵)) − (θ‘(⌊‘𝐴))) = ((θ‘𝐵) − (θ‘𝐴)))
14		flqword2 10739	. . . . . . . 8 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (⌊‘𝐵) ∈ (ℤ≥‘(⌊‘𝐴)))
15		chtdif 16230	. . . . . . . 8 ⊢ ((⌊‘𝐵) ∈ (ℤ≥‘(⌊‘𝐴)) → ((θ‘(⌊‘𝐵)) − (θ‘(⌊‘𝐴))) = Σ𝑝 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ)(log‘𝑝))
16	14, 15	syl 14	. . . . . . 7 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → ((θ‘(⌊‘𝐵)) − (θ‘(⌊‘𝐴))) = Σ𝑝 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ)(log‘𝑝))
17	13, 16	eqtr3d 2273	. . . . . 6 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → ((θ‘𝐵) − (θ‘𝐴)) = Σ𝑝 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ)(log‘𝑝))
18		ssrab2 3333	. . . . . . . . 9 ⊢ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ} ⊆ ℝ
19		ax-resscn 8272	. . . . . . . . 9 ⊢ ℝ ⊆ ℂ
20	18, 19	sstri 3257	. . . . . . . 8 ⊢ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ} ⊆ ℂ
21	20	a1i 9	. . . . . . 7 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ} ⊆ ℂ)
22		fveq2 5695	. . . . . . . . . . 11 ⊢ (𝑥 = 𝑦 → (exp‘𝑥) = (exp‘𝑦))
23	22	eleq1d 2307	. . . . . . . . . 10 ⊢ (𝑥 = 𝑦 → ((exp‘𝑥) ∈ ℕ ↔ (exp‘𝑦) ∈ ℕ))
24	23	elrab 2982	. . . . . . . . 9 ⊢ (𝑦 ∈ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ} ↔ (𝑦 ∈ ℝ ∧ (exp‘𝑦) ∈ ℕ))
25		fveq2 5695	. . . . . . . . . . 11 ⊢ (𝑥 = 𝑧 → (exp‘𝑥) = (exp‘𝑧))
26	25	eleq1d 2307	. . . . . . . . . 10 ⊢ (𝑥 = 𝑧 → ((exp‘𝑥) ∈ ℕ ↔ (exp‘𝑧) ∈ ℕ))
27	26	elrab 2982	. . . . . . . . 9 ⊢ (𝑧 ∈ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ} ↔ (𝑧 ∈ ℝ ∧ (exp‘𝑧) ∈ ℕ))
28		fveq2 5695	. . . . . . . . . . 11 ⊢ (𝑥 = (𝑦 + 𝑧) → (exp‘𝑥) = (exp‘(𝑦 + 𝑧)))
29	28	eleq1d 2307	. . . . . . . . . 10 ⊢ (𝑥 = (𝑦 + 𝑧) → ((exp‘𝑥) ∈ ℕ ↔ (exp‘(𝑦 + 𝑧)) ∈ ℕ))
30		simpll 531	. . . . . . . . . . 11 ⊢ (((𝑦 ∈ ℝ ∧ (exp‘𝑦) ∈ ℕ) ∧ (𝑧 ∈ ℝ ∧ (exp‘𝑧) ∈ ℕ)) → 𝑦 ∈ ℝ)
31		simprl 535	. . . . . . . . . . 11 ⊢ (((𝑦 ∈ ℝ ∧ (exp‘𝑦) ∈ ℕ) ∧ (𝑧 ∈ ℝ ∧ (exp‘𝑧) ∈ ℕ)) → 𝑧 ∈ ℝ)
32	30, 31	readdcld 8356	. . . . . . . . . 10 ⊢ (((𝑦 ∈ ℝ ∧ (exp‘𝑦) ∈ ℕ) ∧ (𝑧 ∈ ℝ ∧ (exp‘𝑧) ∈ ℕ)) → (𝑦 + 𝑧) ∈ ℝ)
33	30	recnd 8355	. . . . . . . . . . . 12 ⊢ (((𝑦 ∈ ℝ ∧ (exp‘𝑦) ∈ ℕ) ∧ (𝑧 ∈ ℝ ∧ (exp‘𝑧) ∈ ℕ)) → 𝑦 ∈ ℂ)
34	31	recnd 8355	. . . . . . . . . . . 12 ⊢ (((𝑦 ∈ ℝ ∧ (exp‘𝑦) ∈ ℕ) ∧ (𝑧 ∈ ℝ ∧ (exp‘𝑧) ∈ ℕ)) → 𝑧 ∈ ℂ)
35		efadd 12461	. . . . . . . . . . . 12 ⊢ ((𝑦 ∈ ℂ ∧ 𝑧 ∈ ℂ) → (exp‘(𝑦 + 𝑧)) = ((exp‘𝑦) · (exp‘𝑧)))
36	33, 34, 35	syl2anc 415	. . . . . . . . . . 11 ⊢ (((𝑦 ∈ ℝ ∧ (exp‘𝑦) ∈ ℕ) ∧ (𝑧 ∈ ℝ ∧ (exp‘𝑧) ∈ ℕ)) → (exp‘(𝑦 + 𝑧)) = ((exp‘𝑦) · (exp‘𝑧)))
37		nnmulcl 9328	. . . . . . . . . . . 12 ⊢ (((exp‘𝑦) ∈ ℕ ∧ (exp‘𝑧) ∈ ℕ) → ((exp‘𝑦) · (exp‘𝑧)) ∈ ℕ)
38	37	ad2ant2l 512	. . . . . . . . . . 11 ⊢ (((𝑦 ∈ ℝ ∧ (exp‘𝑦) ∈ ℕ) ∧ (𝑧 ∈ ℝ ∧ (exp‘𝑧) ∈ ℕ)) → ((exp‘𝑦) · (exp‘𝑧)) ∈ ℕ)
39	36, 38	eqeltrd 2315	. . . . . . . . . 10 ⊢ (((𝑦 ∈ ℝ ∧ (exp‘𝑦) ∈ ℕ) ∧ (𝑧 ∈ ℝ ∧ (exp‘𝑧) ∈ ℕ)) → (exp‘(𝑦 + 𝑧)) ∈ ℕ)
40	29, 32, 39	elrabd 2984	. . . . . . . . 9 ⊢ (((𝑦 ∈ ℝ ∧ (exp‘𝑦) ∈ ℕ) ∧ (𝑧 ∈ ℝ ∧ (exp‘𝑧) ∈ ℕ)) → (𝑦 + 𝑧) ∈ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ})
41	24, 27, 40	syl2anb 291	. . . . . . . 8 ⊢ ((𝑦 ∈ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ} ∧ 𝑧 ∈ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ}) → (𝑦 + 𝑧) ∈ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ})
42	41	adantl 277	. . . . . . 7 ⊢ (((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) ∧ (𝑦 ∈ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ} ∧ 𝑧 ∈ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ})) → (𝑦 + 𝑧) ∈ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ})
43		flqcl 10719	. . . . . . . . . . 11 ⊢ (𝐴 ∈ ℚ → (⌊‘𝐴) ∈ ℤ)
44	43	3ad2ant1 1049	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (⌊‘𝐴) ∈ ℤ)
45	44	peano2zd 9776	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → ((⌊‘𝐴) + 1) ∈ ℤ)
46		flqcl 10719	. . . . . . . . . 10 ⊢ (𝐵 ∈ ℚ → (⌊‘𝐵) ∈ ℤ)
47	46	3ad2ant2 1050	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (⌊‘𝐵) ∈ ℤ)
48	45, 47	fzfigd 10883	. . . . . . . 8 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∈ Fin)
49		inss1 3451	. . . . . . . . 9 ⊢ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ) ⊆ (((⌊‘𝐴) + 1)...(⌊‘𝐵))
50	49	a1i 9	. . . . . . . 8 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ) ⊆ (((⌊‘𝐴) + 1)...(⌊‘𝐵)))
51		animorrl 838	. . . . . . . . . . . 12 ⊢ (((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) ∧ 𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵))) → (𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∨ ¬ 𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵))))
52		df-dc 847	. . . . . . . . . . . 12 ⊢ (DECID 𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵)) ↔ (𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∨ ¬ 𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵))))
53	51, 52	sylibr 134	. . . . . . . . . . 11 ⊢ (((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) ∧ 𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵))) → DECID 𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵)))
54		elfzelz 10439	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵)) → 𝑥 ∈ ℤ)
55	54	adantl 277	. . . . . . . . . . . 12 ⊢ (((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) ∧ 𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵))) → 𝑥 ∈ ℤ)
56		prmdcz 12928	. . . . . . . . . . . 12 ⊢ (𝑥 ∈ ℤ → DECID 𝑥 ∈ ℙ)
57	55, 56	syl 14	. . . . . . . . . . 11 ⊢ (((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) ∧ 𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵))) → DECID 𝑥 ∈ ℙ)
58	53, 57	dcand 945	. . . . . . . . . 10 ⊢ (((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) ∧ 𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵))) → DECID (𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∧ 𝑥 ∈ ℙ))
59		elin 3412	. . . . . . . . . . 11 ⊢ (𝑥 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ) ↔ (𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∧ 𝑥 ∈ ℙ))
60	59	dcbii 852	. . . . . . . . . 10 ⊢ (DECID 𝑥 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ) ↔ DECID (𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∧ 𝑥 ∈ ℙ))
61	58, 60	sylibr 134	. . . . . . . . 9 ⊢ (((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) ∧ 𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵))) → DECID 𝑥 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ))
62	61	ralrimiva 2623	. . . . . . . 8 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → ∀𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵))DECID 𝑥 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ))
63		ssfidc 7245	. . . . . . . 8 ⊢ (((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∈ Fin ∧ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ) ⊆ (((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∧ ∀𝑥 ∈ (((⌊‘𝐴) + 1)...(⌊‘𝐵))DECID 𝑥 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ)) → ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ) ∈ Fin)
64	48, 50, 62, 63	syl3anc 1278	. . . . . . 7 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ) ∈ Fin)
65		fveq2 5695	. . . . . . . . 9 ⊢ (𝑥 = (log‘𝑝) → (exp‘𝑥) = (exp‘(log‘𝑝)))
66	65	eleq1d 2307	. . . . . . . 8 ⊢ (𝑥 = (log‘𝑝) → ((exp‘𝑥) ∈ ℕ ↔ (exp‘(log‘𝑝)) ∈ ℕ))
67		simpr 110	. . . . . . . . . . . 12 ⊢ (((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) ∧ 𝑝 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ)) → 𝑝 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ))
68	67	elin2d 3419	. . . . . . . . . . 11 ⊢ (((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) ∧ 𝑝 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ)) → 𝑝 ∈ ℙ)
69		prmnn 12907	. . . . . . . . . . 11 ⊢ (𝑝 ∈ ℙ → 𝑝 ∈ ℕ)
70	68, 69	syl 14	. . . . . . . . . 10 ⊢ (((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) ∧ 𝑝 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ)) → 𝑝 ∈ ℕ)
71	70	nnrpd 10106	. . . . . . . . 9 ⊢ (((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) ∧ 𝑝 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ)) → 𝑝 ∈ ℝ+)
72	71	relogcld 16078	. . . . . . . 8 ⊢ (((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) ∧ 𝑝 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ)) → (log‘𝑝) ∈ ℝ)
73	71	reeflogd 16079	. . . . . . . . 9 ⊢ (((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) ∧ 𝑝 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ)) → (exp‘(log‘𝑝)) = 𝑝)
74	73, 70	eqeltrd 2315	. . . . . . . 8 ⊢ (((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) ∧ 𝑝 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ)) → (exp‘(log‘𝑝)) ∈ ℕ)
75	66, 72, 74	elrabd 2984	. . . . . . 7 ⊢ (((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) ∧ 𝑝 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ)) → (log‘𝑝) ∈ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ})
76		0re 8327	. . . . . . . . 9 ⊢ 0 ∈ ℝ
77		1nn 9318	. . . . . . . . 9 ⊢ 1 ∈ ℕ
78		fveq2 5695	. . . . . . . . . . . 12 ⊢ (𝑥 = 0 → (exp‘𝑥) = (exp‘0))
79		ef0 12458	. . . . . . . . . . . 12 ⊢ (exp‘0) = 1
80	78, 79	eqtrdi 2287	. . . . . . . . . . 11 ⊢ (𝑥 = 0 → (exp‘𝑥) = 1)
81	80	eleq1d 2307	. . . . . . . . . 10 ⊢ (𝑥 = 0 → ((exp‘𝑥) ∈ ℕ ↔ 1 ∈ ℕ))
82	81	elrab 2982	. . . . . . . . 9 ⊢ (0 ∈ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ} ↔ (0 ∈ ℝ ∧ 1 ∈ ℕ))
83	76, 77, 82	mpbir2an 955	. . . . . . . 8 ⊢ 0 ∈ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ}
84	83	a1i 9	. . . . . . 7 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → 0 ∈ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ})
85	21, 42, 64, 75, 84	fsumcllem 12185	. . . . . 6 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → Σ𝑝 ∈ ((((⌊‘𝐴) + 1)...(⌊‘𝐵)) ∩ ℙ)(log‘𝑝) ∈ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ})
86	17, 85	eqeltrd 2315	. . . . 5 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → ((θ‘𝐵) − (θ‘𝐴)) ∈ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ})
87		fveq2 5695	. . . . . . . 8 ⊢ (𝑥 = ((θ‘𝐵) − (θ‘𝐴)) → (exp‘𝑥) = (exp‘((θ‘𝐵) − (θ‘𝐴))))
88	87	eleq1d 2307	. . . . . . 7 ⊢ (𝑥 = ((θ‘𝐵) − (θ‘𝐴)) → ((exp‘𝑥) ∈ ℕ ↔ (exp‘((θ‘𝐵) − (θ‘𝐴))) ∈ ℕ))
89	88	elrab 2982	. . . . . 6 ⊢ (((θ‘𝐵) − (θ‘𝐴)) ∈ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ} ↔ (((θ‘𝐵) − (θ‘𝐴)) ∈ ℝ ∧ (exp‘((θ‘𝐵) − (θ‘𝐴))) ∈ ℕ))
90	89	simprbi 275	. . . . 5 ⊢ (((θ‘𝐵) − (θ‘𝐴)) ∈ {𝑥 ∈ ℝ ∣ (exp‘𝑥) ∈ ℕ} → (exp‘((θ‘𝐵) − (θ‘𝐴))) ∈ ℕ)
91	86, 90	syl 14	. . . 4 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (exp‘((θ‘𝐵) − (θ‘𝐴))) ∈ ℕ)
92	8, 91	eqeltrrd 2316	. . 3 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → ((exp‘(θ‘𝐵)) / (exp‘(θ‘𝐴))) ∈ ℕ)
93	92	nnzd 9772	. 2 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → ((exp‘(θ‘𝐵)) / (exp‘(θ‘𝐴))) ∈ ℤ)
94		efchtqcl 16212	. . . . 5 ⊢ (𝐴 ∈ ℚ → (exp‘(θ‘𝐴)) ∈ ℕ)
95	94	3ad2ant1 1049	. . . 4 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (exp‘(θ‘𝐴)) ∈ ℕ)
96	95	nnzd 9772	. . 3 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (exp‘(θ‘𝐴)) ∈ ℤ)
97	95	nnne0d 9352	. . 3 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (exp‘(θ‘𝐴)) ≠ 0)
98		efchtqcl 16212	. . . . 5 ⊢ (𝐵 ∈ ℚ → (exp‘(θ‘𝐵)) ∈ ℕ)
99	98	3ad2ant2 1050	. . . 4 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (exp‘(θ‘𝐵)) ∈ ℕ)
100	99	nnzd 9772	. . 3 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (exp‘(θ‘𝐵)) ∈ ℤ)
101		dvdsval2 12576	. . 3 ⊢ (((exp‘(θ‘𝐴)) ∈ ℤ ∧ (exp‘(θ‘𝐴)) ≠ 0 ∧ (exp‘(θ‘𝐵)) ∈ ℤ) → ((exp‘(θ‘𝐴)) ∥ (exp‘(θ‘𝐵)) ↔ ((exp‘(θ‘𝐵)) / (exp‘(θ‘𝐴))) ∈ ℤ))
102	96, 97, 100, 101	syl3anc 1278	. 2 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → ((exp‘(θ‘𝐴)) ∥ (exp‘(θ‘𝐵)) ↔ ((exp‘(θ‘𝐵)) / (exp‘(θ‘𝐴))) ∈ ℤ))
103	93, 102	mpbird 167	1 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 𝐴 ≤ 𝐵) → (exp‘(θ‘𝐴)) ∥ (exp‘(θ‘𝐵)))

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  {crab 2532   ∩ cin 3219   ⊆ wss 3220   class class class wbr 4130  ‘cfv 5377  (class class class)co 6085  Fincfn 7022  ℂcc 8178  ℝcr 8179  0cc0 8180  1c1 8181   + caddc 8183   · cmul 8185   ≤ cle 8362   − cmin 8499   / cdiv 9005  ℕcn 9307  ℤcz 9649  ℤ_≥cuz 9931  ℚcq 10029  ...cfz 10422  ⌊cfl 10714  Σcsu 12138  expce 12428   ∥ cdvds 12573  ℙcprime 12904  logclog 16051  θccht 16199

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 4246  ax-sep 4249  ax-nul 4259  ax-pow 4311  ax-pr 4346  ax-un 4578  ax-setind 4684  ax-iinf 4735  ax-cnex 8271  ax-resscn 8272  ax-1cn 8273  ax-1re 8274  ax-icn 8275  ax-addcl 8276  ax-addrcl 8277  ax-mulcl 8278  ax-mulrcl 8279  ax-addcom 8280  ax-mulcom 8281  ax-addass 8282  ax-mulass 8283  ax-distr 8284  ax-i2m1 8285  ax-0lt1 8286  ax-1rid 8287  ax-0id 8288  ax-rnegex 8289  ax-precex 8290  ax-cnre 8291  ax-pre-ltirr 8292  ax-pre-ltwlin 8293  ax-pre-lttrn 8294  ax-pre-apti 8295  ax-pre-ltadd 8296  ax-pre-mulgt0 8297  ax-pre-mulext 8298  ax-arch 8299  ax-caucvg 8300  ax-pre-suploc 8301  ax-addf 8302  ax-mulf 8303

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-disj 4107  df-br 4131  df-opab 4193  df-mpt 4194  df-tr 4230  df-id 4438  df-po 4441  df-iso 4442  df-iord 4511  df-on 4513  df-ilim 4514  df-suc 4516  df-iom 4738  df-xp 4780  df-rel 4781  df-cnv 4782  df-co 4783  df-dm 4784  df-rn 4785  df-res 4786  df-ima 4787  df-iota 5337  df-fun 5379  df-fn 5380  df-f 5381  df-f1 5382  df-fo 5383  df-f1o 5384  df-fv 5385  df-isom 5386  df-riota 6038  df-ov 6088  df-oprab 6089  df-mpo 6090  df-of 6302  df-1st 6374  df-2nd 6375  df-recs 6576  df-irdg 6641  df-frec 6662  df-1o 6687  df-2o 6688  df-oadd 6691  df-er 6807  df-map 6924  df-pm 6925  df-en 7023  df-dom 7024  df-fin 7025  df-sup 7325  df-inf 7326  df-pnf 8363  df-mnf 8364  df-xr 8365  df-ltxr 8366  df-le 8367  df-sub 8501  df-neg 8502  df-reap 8906  df-ap 8913  df-div 9006  df-inn 9308  df-2 9366  df-3 9367  df-4 9368  df-n0 9569  df-z 9650  df-uz 9932  df-q 10030  df-rp 10066  df-xneg 10185  df-xadd 10186  df-ioo 10305  df-ico 10307  df-icc 10308  df-fz 10423  df-fzo 10561  df-fl 10716  df-mod 10775  df-seqfrec 10900  df-exp 10991  df-fac 11180  df-bc 11202  df-ihash 11231  df-shft 11596  df-cj 11623  df-re 11624  df-im 11625  df-rsqrt 11780  df-abs 11781  df-clim 12064  df-sumdc 12139  df-ef 12434  df-e 12435  df-dvds 12574  df-prm 12905  df-rest 13648  df-topgen 13667  df-psmet 14964  df-xmet 14965  df-met 14966  df-bl 14967  df-mopn 14968  df-top 15190  df-topon 15203  df-bases 15235  df-ntr 15288  df-cn 15380  df-cnp 15381  df-tx 15445  df-cncf 15763  df-limced 15848  df-dvap 15849  df-relog 16053  df-cht 16202

This theorem is used by:  bposlem6  16282