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Theorem rplogsumlem1 27411

Description: Lemma for rplogsum 27454. (Contributed by Mario Carneiro, 2-May-2016.)

**Assertion**
Ref	Expression
rplogsumlem1	⊢ (𝐴 ∈ ℕ → Σ𝑛 ∈ (2...𝐴)((log‘𝑛) / (𝑛 · (𝑛 − 1))) ≤ 2)

Distinct variable group: 𝐴,𝑛

Proof of Theorem rplogsumlem1 Dummy variable 𝑘 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		fzfid 13965	. . 3 ⊢ (𝐴 ∈ ℕ → (2...𝐴) ∈ Fin)
2		elfzuz 13524	. . . . . . . 8 ⊢ (𝑛 ∈ (2...𝐴) → 𝑛 ∈ (ℤ_≥‘2))
3		eluz2nn 12893	. . . . . . . 8 ⊢ (𝑛 ∈ (ℤ_≥‘2) → 𝑛 ∈ ℕ)
4	2, 3	syl 17	. . . . . . 7 ⊢ (𝑛 ∈ (2...𝐴) → 𝑛 ∈ ℕ)
5	4	adantl 481	. . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → 𝑛 ∈ ℕ)
6	5	nnrpd 13041	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → 𝑛 ∈ ℝ⁺)
7	6	relogcld 26551	. . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (log‘𝑛) ∈ ℝ)
8	2	adantl 481	. . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → 𝑛 ∈ (ℤ_≥‘2))
9		uz2m1nn 12932	. . . . . 6 ⊢ (𝑛 ∈ (ℤ_≥‘2) → (𝑛 − 1) ∈ ℕ)
10	8, 9	syl 17	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (𝑛 − 1) ∈ ℕ)
11	5, 10	nnmulcld 12290	. . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (𝑛 · (𝑛 − 1)) ∈ ℕ)
12	7, 11	nndivred 12291	. . 3 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((log‘𝑛) / (𝑛 · (𝑛 − 1))) ∈ ℝ)
13	1, 12	fsumrecl 15707	. 2 ⊢ (𝐴 ∈ ℕ → Σ𝑛 ∈ (2...𝐴)((log‘𝑛) / (𝑛 · (𝑛 − 1))) ∈ ℝ)
14		2re 12311	. . . . 5 ⊢ 2 ∈ ℝ
15	10	nnrpd 13041	. . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (𝑛 − 1) ∈ ℝ⁺)
16	15	rpsqrtcld 15385	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (√‘(𝑛 − 1)) ∈ ℝ⁺)
17		rerpdivcl 13031	. . . . 5 ⊢ ((2 ∈ ℝ ∧ (√‘(𝑛 − 1)) ∈ ℝ⁺) → (2 / (√‘(𝑛 − 1))) ∈ ℝ)
18	14, 16, 17	sylancr 586	. . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (2 / (√‘(𝑛 − 1))) ∈ ℝ)
19	6	rpsqrtcld 15385	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (√‘𝑛) ∈ ℝ⁺)
20		rerpdivcl 13031	. . . . 5 ⊢ ((2 ∈ ℝ ∧ (√‘𝑛) ∈ ℝ⁺) → (2 / (√‘𝑛)) ∈ ℝ)
21	14, 19, 20	sylancr 586	. . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (2 / (√‘𝑛)) ∈ ℝ)
22	18, 21	resubcld 11667	. . 3 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛))) ∈ ℝ)
23	1, 22	fsumrecl 15707	. 2 ⊢ (𝐴 ∈ ℕ → Σ𝑛 ∈ (2...𝐴)((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛))) ∈ ℝ)
24	14	a1i 11	. 2 ⊢ (𝐴 ∈ ℕ → 2 ∈ ℝ)
25	16	rpred 13043	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (√‘(𝑛 − 1)) ∈ ℝ)
26	5	nnred 12252	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → 𝑛 ∈ ℝ)
27		peano2rem 11552	. . . . . . . 8 ⊢ (𝑛 ∈ ℝ → (𝑛 − 1) ∈ ℝ)
28	26, 27	syl 17	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (𝑛 − 1) ∈ ℝ)
29	26, 28	remulcld 11269	. . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (𝑛 · (𝑛 − 1)) ∈ ℝ)
30	29, 22	remulcld 11269	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((𝑛 · (𝑛 − 1)) · ((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛)))) ∈ ℝ)
31	5	nncnd 12253	. . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → 𝑛 ∈ ℂ)
32		ax-1cn 11191	. . . . . . . 8 ⊢ 1 ∈ ℂ
33		npcan 11494	. . . . . . . 8 ⊢ ((𝑛 ∈ ℂ ∧ 1 ∈ ℂ) → ((𝑛 − 1) + 1) = 𝑛)
34	31, 32, 33	sylancl 585	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((𝑛 − 1) + 1) = 𝑛)
35	34	fveq2d 6896	. . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (log‘((𝑛 − 1) + 1)) = (log‘𝑛))
36	15	rpge0d 13047	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → 0 ≤ (𝑛 − 1))
37		loglesqrt 26687	. . . . . . 7 ⊢ (((𝑛 − 1) ∈ ℝ ∧ 0 ≤ (𝑛 − 1)) → (log‘((𝑛 − 1) + 1)) ≤ (√‘(𝑛 − 1)))
38	28, 36, 37	syl2anc 583	. . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (log‘((𝑛 − 1) + 1)) ≤ (√‘(𝑛 − 1)))
39	35, 38	eqbrtrrd 5167	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (log‘𝑛) ≤ (√‘(𝑛 − 1)))
40	19	rpred 13043	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (√‘𝑛) ∈ ℝ)
41	40, 25	readdcld 11268	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘𝑛) + (√‘(𝑛 − 1))) ∈ ℝ)
42		remulcl 11218	. . . . . . . . . . 11 ⊢ (((√‘𝑛) ∈ ℝ ∧ 2 ∈ ℝ) → ((√‘𝑛) · 2) ∈ ℝ)
43	40, 14, 42	sylancl 585	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘𝑛) · 2) ∈ ℝ)
44	40, 25	resubcld 11667	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘𝑛) − (√‘(𝑛 − 1))) ∈ ℝ)
45	26	lem1d 12172	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (𝑛 − 1) ≤ 𝑛)
46	6	rpge0d 13047	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → 0 ≤ 𝑛)
47	28, 36, 26, 46	sqrtled 15400	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((𝑛 − 1) ≤ 𝑛 ↔ (√‘(𝑛 − 1)) ≤ (√‘𝑛)))
48	45, 47	mpbid 231	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (√‘(𝑛 − 1)) ≤ (√‘𝑛))
49	40, 25	subge0d 11829	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (0 ≤ ((√‘𝑛) − (√‘(𝑛 − 1))) ↔ (√‘(𝑛 − 1)) ≤ (√‘𝑛)))
50	48, 49	mpbird 257	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → 0 ≤ ((√‘𝑛) − (√‘(𝑛 − 1))))
51	25, 40, 40, 48	leadd2dd 11854	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘𝑛) + (√‘(𝑛 − 1))) ≤ ((√‘𝑛) + (√‘𝑛)))
52	19	rpcnd 13045	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (√‘𝑛) ∈ ℂ)
53	52	times2d 12481	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘𝑛) · 2) = ((√‘𝑛) + (√‘𝑛)))
54	51, 53	breqtrrd 5171	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘𝑛) + (√‘(𝑛 − 1))) ≤ ((√‘𝑛) · 2))
55	41, 43, 44, 50, 54	lemul1ad 12178	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (((√‘𝑛) + (√‘(𝑛 − 1))) · ((√‘𝑛) − (√‘(𝑛 − 1)))) ≤ (((√‘𝑛) · 2) · ((√‘𝑛) − (√‘(𝑛 − 1)))))
56	31	sqsqrtd 15413	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘𝑛)↑2) = 𝑛)
57		subcl 11484	. . . . . . . . . . . . 13 ⊢ ((𝑛 ∈ ℂ ∧ 1 ∈ ℂ) → (𝑛 − 1) ∈ ℂ)
58	31, 32, 57	sylancl 585	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (𝑛 − 1) ∈ ℂ)
59	58	sqsqrtd 15413	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘(𝑛 − 1))↑2) = (𝑛 − 1))
60	56, 59	oveq12d 7433	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (((√‘𝑛)↑2) − ((√‘(𝑛 − 1))↑2)) = (𝑛 − (𝑛 − 1)))
61	16	rpcnd 13045	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (√‘(𝑛 − 1)) ∈ ℂ)
62		subsq 14200	. . . . . . . . . . 11 ⊢ (((√‘𝑛) ∈ ℂ ∧ (√‘(𝑛 − 1)) ∈ ℂ) → (((√‘𝑛)↑2) − ((√‘(𝑛 − 1))↑2)) = (((√‘𝑛) + (√‘(𝑛 − 1))) · ((√‘𝑛) − (√‘(𝑛 − 1)))))
63	52, 61, 62	syl2anc 583	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (((√‘𝑛)↑2) − ((√‘(𝑛 − 1))↑2)) = (((√‘𝑛) + (√‘(𝑛 − 1))) · ((√‘𝑛) − (√‘(𝑛 − 1)))))
64		nncan 11514	. . . . . . . . . . 11 ⊢ ((𝑛 ∈ ℂ ∧ 1 ∈ ℂ) → (𝑛 − (𝑛 − 1)) = 1)
65	31, 32, 64	sylancl 585	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (𝑛 − (𝑛 − 1)) = 1)
66	60, 63, 65	3eqtr3d 2776	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (((√‘𝑛) + (√‘(𝑛 − 1))) · ((√‘𝑛) − (√‘(𝑛 − 1)))) = 1)
67		2cn 12312	. . . . . . . . . . 11 ⊢ 2 ∈ ℂ
68	67	a1i 11	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → 2 ∈ ℂ)
69	44	recnd 11267	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘𝑛) − (√‘(𝑛 − 1))) ∈ ℂ)
70	52, 68, 69	mulassd 11262	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (((√‘𝑛) · 2) · ((√‘𝑛) − (√‘(𝑛 − 1)))) = ((√‘𝑛) · (2 · ((√‘𝑛) − (√‘(𝑛 − 1))))))
71	55, 66, 70	3brtr3d 5174	. . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → 1 ≤ ((√‘𝑛) · (2 · ((√‘𝑛) − (√‘(𝑛 − 1))))))
72		1red 11240	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → 1 ∈ ℝ)
73		remulcl 11218	. . . . . . . . . . 11 ⊢ ((2 ∈ ℝ ∧ ((√‘𝑛) − (√‘(𝑛 − 1))) ∈ ℝ) → (2 · ((√‘𝑛) − (√‘(𝑛 − 1)))) ∈ ℝ)
74	14, 44, 73	sylancr 586	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (2 · ((√‘𝑛) − (√‘(𝑛 − 1)))) ∈ ℝ)
75	40, 74	remulcld 11269	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘𝑛) · (2 · ((√‘𝑛) − (√‘(𝑛 − 1))))) ∈ ℝ)
76	72, 75, 16	lemul1d 13086	. . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (1 ≤ ((√‘𝑛) · (2 · ((√‘𝑛) − (√‘(𝑛 − 1))))) ↔ (1 · (√‘(𝑛 − 1))) ≤ (((√‘𝑛) · (2 · ((√‘𝑛) − (√‘(𝑛 − 1))))) · (√‘(𝑛 − 1)))))
77	71, 76	mpbid 231	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (1 · (√‘(𝑛 − 1))) ≤ (((√‘𝑛) · (2 · ((√‘𝑛) − (√‘(𝑛 − 1))))) · (√‘(𝑛 − 1))))
78	61	mullidd 11257	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (1 · (√‘(𝑛 − 1))) = (√‘(𝑛 − 1)))
79	74	recnd 11267	. . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (2 · ((√‘𝑛) − (√‘(𝑛 − 1)))) ∈ ℂ)
80	52, 79, 61	mul32d 11449	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (((√‘𝑛) · (2 · ((√‘𝑛) − (√‘(𝑛 − 1))))) · (√‘(𝑛 − 1))) = (((√‘𝑛) · (√‘(𝑛 − 1))) · (2 · ((√‘𝑛) − (√‘(𝑛 − 1))))))
81	77, 78, 80	3brtr3d 5174	. . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (√‘(𝑛 − 1)) ≤ (((√‘𝑛) · (√‘(𝑛 − 1))) · (2 · ((√‘𝑛) − (√‘(𝑛 − 1))))))
82		remsqsqrt 15230	. . . . . . . . . . 11 ⊢ ((𝑛 ∈ ℝ ∧ 0 ≤ 𝑛) → ((√‘𝑛) · (√‘𝑛)) = 𝑛)
83	26, 46, 82	syl2anc 583	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘𝑛) · (√‘𝑛)) = 𝑛)
84		remsqsqrt 15230	. . . . . . . . . . 11 ⊢ (((𝑛 − 1) ∈ ℝ ∧ 0 ≤ (𝑛 − 1)) → ((√‘(𝑛 − 1)) · (√‘(𝑛 − 1))) = (𝑛 − 1))
85	28, 36, 84	syl2anc 583	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘(𝑛 − 1)) · (√‘(𝑛 − 1))) = (𝑛 − 1))
86	83, 85	oveq12d 7433	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (((√‘𝑛) · (√‘𝑛)) · ((√‘(𝑛 − 1)) · (√‘(𝑛 − 1)))) = (𝑛 · (𝑛 − 1)))
87	52, 52, 61, 61	mul4d 11451	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (((√‘𝑛) · (√‘𝑛)) · ((√‘(𝑛 − 1)) · (√‘(𝑛 − 1)))) = (((√‘𝑛) · (√‘(𝑛 − 1))) · ((√‘𝑛) · (√‘(𝑛 − 1)))))
88	86, 87	eqtr3d 2770	. . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (𝑛 · (𝑛 − 1)) = (((√‘𝑛) · (√‘(𝑛 − 1))) · ((√‘𝑛) · (√‘(𝑛 − 1)))))
89	16	rpcnne0d 13052	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘(𝑛 − 1)) ∈ ℂ ∧ (√‘(𝑛 − 1)) ≠ 0))
90	19	rpcnne0d 13052	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘𝑛) ∈ ℂ ∧ (√‘𝑛) ≠ 0))
91		divsubdiv 11955	. . . . . . . . . 10 ⊢ (((2 ∈ ℂ ∧ 2 ∈ ℂ) ∧ (((√‘(𝑛 − 1)) ∈ ℂ ∧ (√‘(𝑛 − 1)) ≠ 0) ∧ ((√‘𝑛) ∈ ℂ ∧ (√‘𝑛) ≠ 0))) → ((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛))) = (((2 · (√‘𝑛)) − (2 · (√‘(𝑛 − 1)))) / ((√‘(𝑛 − 1)) · (√‘𝑛))))
92	68, 68, 89, 90, 91	syl22anc 838	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛))) = (((2 · (√‘𝑛)) − (2 · (√‘(𝑛 − 1)))) / ((√‘(𝑛 − 1)) · (√‘𝑛))))
93	68, 52, 61	subdid 11695	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (2 · ((√‘𝑛) − (√‘(𝑛 − 1)))) = ((2 · (√‘𝑛)) − (2 · (√‘(𝑛 − 1)))))
94	52, 61	mulcomd 11260	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘𝑛) · (√‘(𝑛 − 1))) = ((√‘(𝑛 − 1)) · (√‘𝑛)))
95	93, 94	oveq12d 7433	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((2 · ((√‘𝑛) − (√‘(𝑛 − 1)))) / ((√‘𝑛) · (√‘(𝑛 − 1)))) = (((2 · (√‘𝑛)) − (2 · (√‘(𝑛 − 1)))) / ((√‘(𝑛 − 1)) · (√‘𝑛))))
96	92, 95	eqtr4d 2771	. . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛))) = ((2 · ((√‘𝑛) − (√‘(𝑛 − 1)))) / ((√‘𝑛) · (√‘(𝑛 − 1)))))
97	88, 96	oveq12d 7433	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((𝑛 · (𝑛 − 1)) · ((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛)))) = ((((√‘𝑛) · (√‘(𝑛 − 1))) · ((√‘𝑛) · (√‘(𝑛 − 1)))) · ((2 · ((√‘𝑛) − (√‘(𝑛 − 1)))) / ((√‘𝑛) · (√‘(𝑛 − 1))))))
98	52, 61	mulcld 11259	. . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘𝑛) · (√‘(𝑛 − 1))) ∈ ℂ)
99	19, 16	rpmulcld 13059	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘𝑛) · (√‘(𝑛 − 1))) ∈ ℝ⁺)
100	74, 99	rerpdivcld 13074	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((2 · ((√‘𝑛) − (√‘(𝑛 − 1)))) / ((√‘𝑛) · (√‘(𝑛 − 1)))) ∈ ℝ)
101	100	recnd 11267	. . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((2 · ((√‘𝑛) − (√‘(𝑛 − 1)))) / ((√‘𝑛) · (√‘(𝑛 − 1)))) ∈ ℂ)
102	98, 98, 101	mulassd 11262	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((((√‘𝑛) · (√‘(𝑛 − 1))) · ((√‘𝑛) · (√‘(𝑛 − 1)))) · ((2 · ((√‘𝑛) − (√‘(𝑛 − 1)))) / ((√‘𝑛) · (√‘(𝑛 − 1))))) = (((√‘𝑛) · (√‘(𝑛 − 1))) · (((√‘𝑛) · (√‘(𝑛 − 1))) · ((2 · ((√‘𝑛) − (√‘(𝑛 − 1)))) / ((√‘𝑛) · (√‘(𝑛 − 1)))))))
103	99	rpne0d 13048	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((√‘𝑛) · (√‘(𝑛 − 1))) ≠ 0)
104	79, 98, 103	divcan2d 12017	. . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (((√‘𝑛) · (√‘(𝑛 − 1))) · ((2 · ((√‘𝑛) − (√‘(𝑛 − 1)))) / ((√‘𝑛) · (√‘(𝑛 − 1))))) = (2 · ((√‘𝑛) − (√‘(𝑛 − 1)))))
105	104	oveq2d 7431	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (((√‘𝑛) · (√‘(𝑛 − 1))) · (((√‘𝑛) · (√‘(𝑛 − 1))) · ((2 · ((√‘𝑛) − (√‘(𝑛 − 1)))) / ((√‘𝑛) · (√‘(𝑛 − 1)))))) = (((√‘𝑛) · (√‘(𝑛 − 1))) · (2 · ((√‘𝑛) − (√‘(𝑛 − 1))))))
106	97, 102, 105	3eqtrd 2772	. . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((𝑛 · (𝑛 − 1)) · ((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛)))) = (((√‘𝑛) · (√‘(𝑛 − 1))) · (2 · ((√‘𝑛) − (√‘(𝑛 − 1))))))
107	81, 106	breqtrrd 5171	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (√‘(𝑛 − 1)) ≤ ((𝑛 · (𝑛 − 1)) · ((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛)))))
108	7, 25, 30, 39, 107	letrd 11396	. . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (log‘𝑛) ≤ ((𝑛 · (𝑛 − 1)) · ((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛)))))
109	11	nngt0d 12286	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → 0 < (𝑛 · (𝑛 − 1)))
110		ledivmul 12115	. . . . 5 ⊢ (((log‘𝑛) ∈ ℝ ∧ ((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛))) ∈ ℝ ∧ ((𝑛 · (𝑛 − 1)) ∈ ℝ ∧ 0 < (𝑛 · (𝑛 − 1)))) → (((log‘𝑛) / (𝑛 · (𝑛 − 1))) ≤ ((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛))) ↔ (log‘𝑛) ≤ ((𝑛 · (𝑛 − 1)) · ((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛))))))
111	7, 22, 29, 109, 110	syl112anc 1372	. . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (((log‘𝑛) / (𝑛 · (𝑛 − 1))) ≤ ((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛))) ↔ (log‘𝑛) ≤ ((𝑛 · (𝑛 − 1)) · ((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛))))))
112	108, 111	mpbird 257	. . 3 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((log‘𝑛) / (𝑛 · (𝑛 − 1))) ≤ ((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛))))
113	1, 12, 22, 112	fsumle 15772	. 2 ⊢ (𝐴 ∈ ℕ → Σ𝑛 ∈ (2...𝐴)((log‘𝑛) / (𝑛 · (𝑛 − 1))) ≤ Σ𝑛 ∈ (2...𝐴)((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛))))
114		fvoveq1 7438	. . . . . 6 ⊢ (𝑘 = 𝑛 → (√‘(𝑘 − 1)) = (√‘(𝑛 − 1)))
115	114	oveq2d 7431	. . . . 5 ⊢ (𝑘 = 𝑛 → (2 / (√‘(𝑘 − 1))) = (2 / (√‘(𝑛 − 1))))
116		fvoveq1 7438	. . . . . 6 ⊢ (𝑘 = (𝑛 + 1) → (√‘(𝑘 − 1)) = (√‘((𝑛 + 1) − 1)))
117	116	oveq2d 7431	. . . . 5 ⊢ (𝑘 = (𝑛 + 1) → (2 / (√‘(𝑘 − 1))) = (2 / (√‘((𝑛 + 1) − 1))))
118		oveq1 7422	. . . . . . . . . 10 ⊢ (𝑘 = 2 → (𝑘 − 1) = (2 − 1))
119		2m1e1 12363	. . . . . . . . . 10 ⊢ (2 − 1) = 1
120	118, 119	eqtrdi 2784	. . . . . . . . 9 ⊢ (𝑘 = 2 → (𝑘 − 1) = 1)
121	120	fveq2d 6896	. . . . . . . 8 ⊢ (𝑘 = 2 → (√‘(𝑘 − 1)) = (√‘1))
122		sqrt1 15245	. . . . . . . 8 ⊢ (√‘1) = 1
123	121, 122	eqtrdi 2784	. . . . . . 7 ⊢ (𝑘 = 2 → (√‘(𝑘 − 1)) = 1)
124	123	oveq2d 7431	. . . . . 6 ⊢ (𝑘 = 2 → (2 / (√‘(𝑘 − 1))) = (2 / 1))
125	67	div1i 11967	. . . . . 6 ⊢ (2 / 1) = 2
126	124, 125	eqtrdi 2784	. . . . 5 ⊢ (𝑘 = 2 → (2 / (√‘(𝑘 − 1))) = 2)
127		fvoveq1 7438	. . . . . 6 ⊢ (𝑘 = (𝐴 + 1) → (√‘(𝑘 − 1)) = (√‘((𝐴 + 1) − 1)))
128	127	oveq2d 7431	. . . . 5 ⊢ (𝑘 = (𝐴 + 1) → (2 / (√‘(𝑘 − 1))) = (2 / (√‘((𝐴 + 1) − 1))))
129		nnz 12604	. . . . 5 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℤ)
130		eluzp1p1 12875	. . . . . . 7 ⊢ (𝐴 ∈ (ℤ_≥‘1) → (𝐴 + 1) ∈ (ℤ_≥‘(1 + 1)))
131		nnuz 12890	. . . . . . 7 ⊢ ℕ = (ℤ_≥‘1)
132	130, 131	eleq2s 2847	. . . . . 6 ⊢ (𝐴 ∈ ℕ → (𝐴 + 1) ∈ (ℤ_≥‘(1 + 1)))
133		df-2 12300	. . . . . . 7 ⊢ 2 = (1 + 1)
134	133	fveq2i 6895	. . . . . 6 ⊢ (ℤ_≥‘2) = (ℤ_≥‘(1 + 1))
135	132, 134	eleqtrrdi 2840	. . . . 5 ⊢ (𝐴 ∈ ℕ → (𝐴 + 1) ∈ (ℤ_≥‘2))
136		elfzuz 13524	. . . . . . . . . . 11 ⊢ (𝑘 ∈ (2...(𝐴 + 1)) → 𝑘 ∈ (ℤ_≥‘2))
137		uz2m1nn 12932	. . . . . . . . . . 11 ⊢ (𝑘 ∈ (ℤ_≥‘2) → (𝑘 − 1) ∈ ℕ)
138	136, 137	syl 17	. . . . . . . . . 10 ⊢ (𝑘 ∈ (2...(𝐴 + 1)) → (𝑘 − 1) ∈ ℕ)
139	138	adantl 481	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑘 ∈ (2...(𝐴 + 1))) → (𝑘 − 1) ∈ ℕ)
140	139	nnrpd 13041	. . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝑘 ∈ (2...(𝐴 + 1))) → (𝑘 − 1) ∈ ℝ⁺)
141	140	rpsqrtcld 15385	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑘 ∈ (2...(𝐴 + 1))) → (√‘(𝑘 − 1)) ∈ ℝ⁺)
142		rerpdivcl 13031	. . . . . . 7 ⊢ ((2 ∈ ℝ ∧ (√‘(𝑘 − 1)) ∈ ℝ⁺) → (2 / (√‘(𝑘 − 1))) ∈ ℝ)
143	14, 141, 142	sylancr 586	. . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝑘 ∈ (2...(𝐴 + 1))) → (2 / (√‘(𝑘 − 1))) ∈ ℝ)
144	143	recnd 11267	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑘 ∈ (2...(𝐴 + 1))) → (2 / (√‘(𝑘 − 1))) ∈ ℂ)
145	115, 117, 126, 128, 129, 135, 144	telfsum 15777	. . . 4 ⊢ (𝐴 ∈ ℕ → Σ𝑛 ∈ (2...𝐴)((2 / (√‘(𝑛 − 1))) − (2 / (√‘((𝑛 + 1) − 1)))) = (2 − (2 / (√‘((𝐴 + 1) − 1)))))
146		pncan 11491	. . . . . . . . 9 ⊢ ((𝑛 ∈ ℂ ∧ 1 ∈ ℂ) → ((𝑛 + 1) − 1) = 𝑛)
147	31, 32, 146	sylancl 585	. . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((𝑛 + 1) − 1) = 𝑛)
148	147	fveq2d 6896	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (√‘((𝑛 + 1) − 1)) = (√‘𝑛))
149	148	oveq2d 7431	. . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → (2 / (√‘((𝑛 + 1) − 1))) = (2 / (√‘𝑛)))
150	149	oveq2d 7431	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑛 ∈ (2...𝐴)) → ((2 / (√‘(𝑛 − 1))) − (2 / (√‘((𝑛 + 1) − 1)))) = ((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛))))
151	150	sumeq2dv 15676	. . . 4 ⊢ (𝐴 ∈ ℕ → Σ𝑛 ∈ (2...𝐴)((2 / (√‘(𝑛 − 1))) − (2 / (√‘((𝑛 + 1) − 1)))) = Σ𝑛 ∈ (2...𝐴)((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛))))
152		nncn 12245	. . . . . . . 8 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℂ)
153		pncan 11491	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 1 ∈ ℂ) → ((𝐴 + 1) − 1) = 𝐴)
154	152, 32, 153	sylancl 585	. . . . . . 7 ⊢ (𝐴 ∈ ℕ → ((𝐴 + 1) − 1) = 𝐴)
155	154	fveq2d 6896	. . . . . 6 ⊢ (𝐴 ∈ ℕ → (√‘((𝐴 + 1) − 1)) = (√‘𝐴))
156	155	oveq2d 7431	. . . . 5 ⊢ (𝐴 ∈ ℕ → (2 / (√‘((𝐴 + 1) − 1))) = (2 / (√‘𝐴)))
157	156	oveq2d 7431	. . . 4 ⊢ (𝐴 ∈ ℕ → (2 − (2 / (√‘((𝐴 + 1) − 1)))) = (2 − (2 / (√‘𝐴))))
158	145, 151, 157	3eqtr3d 2776	. . 3 ⊢ (𝐴 ∈ ℕ → Σ𝑛 ∈ (2...𝐴)((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛))) = (2 − (2 / (√‘𝐴))))
159		2rp 13006	. . . . . 6 ⊢ 2 ∈ ℝ⁺
160		nnrp 13012	. . . . . . 7 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℝ⁺)
161	160	rpsqrtcld 15385	. . . . . 6 ⊢ (𝐴 ∈ ℕ → (√‘𝐴) ∈ ℝ⁺)
162		rpdivcl 13026	. . . . . 6 ⊢ ((2 ∈ ℝ⁺ ∧ (√‘𝐴) ∈ ℝ⁺) → (2 / (√‘𝐴)) ∈ ℝ⁺)
163	159, 161, 162	sylancr 586	. . . . 5 ⊢ (𝐴 ∈ ℕ → (2 / (√‘𝐴)) ∈ ℝ⁺)
164	163	rpge0d 13047	. . . 4 ⊢ (𝐴 ∈ ℕ → 0 ≤ (2 / (√‘𝐴)))
165	163	rpred 13043	. . . . 5 ⊢ (𝐴 ∈ ℕ → (2 / (√‘𝐴)) ∈ ℝ)
166		subge02 11755	. . . . 5 ⊢ ((2 ∈ ℝ ∧ (2 / (√‘𝐴)) ∈ ℝ) → (0 ≤ (2 / (√‘𝐴)) ↔ (2 − (2 / (√‘𝐴))) ≤ 2))
167	14, 165, 166	sylancr 586	. . . 4 ⊢ (𝐴 ∈ ℕ → (0 ≤ (2 / (√‘𝐴)) ↔ (2 − (2 / (√‘𝐴))) ≤ 2))
168	164, 167	mpbid 231	. . 3 ⊢ (𝐴 ∈ ℕ → (2 − (2 / (√‘𝐴))) ≤ 2)
169	158, 168	eqbrtrd 5165	. 2 ⊢ (𝐴 ∈ ℕ → Σ𝑛 ∈ (2...𝐴)((2 / (√‘(𝑛 − 1))) − (2 / (√‘𝑛))) ≤ 2)
170	13, 23, 24, 113, 169	letrd 11396	1 ⊢ (𝐴 ∈ ℕ → Σ𝑛 ∈ (2...𝐴)((log‘𝑛) / (𝑛 · (𝑛 − 1))) ≤ 2)

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 = wceq 1534 ∈ wcel 2099 ≠ wne 2936 class class class wbr 5143 ‘cfv 6543 (class class class)co 7415 ℂcc 11131 ℝcr 11132 0cc0 11133 1c1 11134 + caddc 11136 · cmul 11138 < clt 11273 ≤ cle 11274 − cmin 11469 / cdiv 11896 ℕcn 12237 2c2 12292 ℤ_≥cuz 12847 ℝ⁺crp 13001 ...cfz 13511 ↑cexp 14053 √csqrt 15207 Σcsu 15659 logclog 26482

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2167 ax-ext 2699 ax-rep 5280 ax-sep 5294 ax-nul 5301 ax-pow 5360 ax-pr 5424 ax-un 7735 ax-inf2 9659 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 396 df-or 847 df-3or 1086 df-3an 1087 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2530 df-eu 2559 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2937 df-nel 3043 df-ral 3058 df-rex 3067 df-rmo 3372 df-reu 3373 df-rab 3429 df-v 3472 df-sbc 3776 df-csb 3891 df-dif 3948 df-un 3950 df-in 3952 df-ss 3962 df-pss 3964 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-br 5144 df-opab 5206 df-mpt 5227 df-tr 5261 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 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 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 7371 df-ov 7418 df-oprab 7419 df-mpo 7420 df-of 7680 df-om 7866 df-1st 7988 df-2nd 7989 df-supp 8161 df-frecs 8281 df-wrecs 8312 df-recs 8386 df-rdg 8425 df-1o 8481 df-2o 8482 df-er 8719 df-map 8841 df-pm 8842 df-ixp 8911 df-en 8959 df-dom 8960 df-sdom 8961 df-fin 8962 df-fsupp 9381 df-fi 9429 df-sup 9460 df-inf 9461 df-oi 9528 df-card 9957 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-shft 15041 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-ef 16038 df-sin 16040 df-cos 16041 df-tan 16042 df-pi 16043 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 19018 df-cntz 19262 df-cmn 19731 df-psmet 21265 df-xmet 21266 df-met 21267 df-bl 21268 df-mopn 21269 df-fbas 21270 df-fg 21271 df-cnfld 21274 df-top 22790 df-topon 22807 df-topsp 22829 df-bases 22843 df-cld 22917 df-ntr 22918 df-cls 22919 df-nei 22996 df-lp 23034 df-perf 23035 df-cn 23125 df-cnp 23126 df-haus 23213 df-cmp 23285 df-tx 23460 df-hmeo 23653 df-fil 23744 df-fm 23836 df-flim 23837 df-flf 23838 df-xms 24220 df-ms 24221 df-tms 24222 df-cncf 24792 df-limc 25789 df-dv 25790 df-log 26484 df-cxp 26485

This theorem is referenced by: rplogsumlem2 27412

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