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Theorem argregt0 26562

Description: Closure of the argument of a complex number with positive real part. (Contributed by Mario Carneiro, 25-Feb-2015.)

**Assertion**
Ref	Expression
argregt0	⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℑ‘(log‘𝐴)) ∈ (-(π / 2)(,)(π / 2)))

**Proof of Theorem argregt0**
Step	Hyp	Ref	Expression
1		recl 15089	. . . . . 6 ⊢ (𝐴 ∈ ℂ → (ℜ‘𝐴) ∈ ℝ)
2		gt0ne0 11709	. . . . . 6 ⊢ (((ℜ‘𝐴) ∈ ℝ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘𝐴) ≠ 0)
3	1, 2	sylan 578	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘𝐴) ≠ 0)
4		fveq2 6892	. . . . . . 7 ⊢ (𝐴 = 0 → (ℜ‘𝐴) = (ℜ‘0))
5		re0 15131	. . . . . . 7 ⊢ (ℜ‘0) = 0
6	4, 5	eqtrdi 2781	. . . . . 6 ⊢ (𝐴 = 0 → (ℜ‘𝐴) = 0)
7	6	necon3i 2963	. . . . 5 ⊢ ((ℜ‘𝐴) ≠ 0 → 𝐴 ≠ 0)
8	3, 7	syl 17	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 𝐴 ≠ 0)
9		logcl 26520	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (log‘𝐴) ∈ ℂ)
10	8, 9	syldan 589	. . 3 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (log‘𝐴) ∈ ℂ)
11	10	imcld 15174	. 2 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℑ‘(log‘𝐴)) ∈ ℝ)
12		coshalfpi 26422	. . . . . 6 ⊢ (cos‘(π / 2)) = 0
13		simpr 483	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 < (ℜ‘𝐴))
14		abscl 15257	. . . . . . . . . . . . . 14 ⊢ (𝐴 ∈ ℂ → (abs‘𝐴) ∈ ℝ)
15	14	adantr 479	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘𝐴) ∈ ℝ)
16	15	recnd 11272	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘𝐴) ∈ ℂ)
17	16	mul01d 11443	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘𝐴) · 0) = 0)
18		simpl 481	. . . . . . . . . . . . . 14 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 𝐴 ∈ ℂ)
19		absrpcl 15267	. . . . . . . . . . . . . . . 16 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (abs‘𝐴) ∈ ℝ⁺)
20	8, 19	syldan 589	. . . . . . . . . . . . . . 15 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘𝐴) ∈ ℝ⁺)
21	20	rpne0d 13053	. . . . . . . . . . . . . 14 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘𝐴) ≠ 0)
22	18, 16, 21	divcld 12020	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (𝐴 / (abs‘𝐴)) ∈ ℂ)
23	15, 22	remul2d 15206	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘((abs‘𝐴) · (𝐴 / (abs‘𝐴)))) = ((abs‘𝐴) · (ℜ‘(𝐴 / (abs‘𝐴)))))
24	18, 16, 21	divcan2d 12022	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘𝐴) · (𝐴 / (abs‘𝐴))) = 𝐴)
25	24	fveq2d 6896	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘((abs‘𝐴) · (𝐴 / (abs‘𝐴)))) = (ℜ‘𝐴))
26	23, 25	eqtr3d 2767	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘𝐴) · (ℜ‘(𝐴 / (abs‘𝐴)))) = (ℜ‘𝐴))
27	13, 17, 26	3brtr4d 5175	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘𝐴) · 0) < ((abs‘𝐴) · (ℜ‘(𝐴 / (abs‘𝐴)))))
28		0re 11246	. . . . . . . . . . . 12 ⊢ 0 ∈ ℝ
29	28	a1i 11	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 ∈ ℝ)
30	22	recld 15173	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘(𝐴 / (abs‘𝐴))) ∈ ℝ)
31	29, 30, 20	ltmul2d 13090	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (0 < (ℜ‘(𝐴 / (abs‘𝐴))) ↔ ((abs‘𝐴) · 0) < ((abs‘𝐴) · (ℜ‘(𝐴 / (abs‘𝐴))))))
32	27, 31	mpbird 256	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 < (ℜ‘(𝐴 / (abs‘𝐴))))
33		efiarg 26559	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (exp‘(i · (ℑ‘(log‘𝐴)))) = (𝐴 / (abs‘𝐴)))
34	8, 33	syldan 589	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (exp‘(i · (ℑ‘(log‘𝐴)))) = (𝐴 / (abs‘𝐴)))
35	34	fveq2d 6896	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘(exp‘(i · (ℑ‘(log‘𝐴))))) = (ℜ‘(𝐴 / (abs‘𝐴))))
36	32, 35	breqtrrd 5171	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 < (ℜ‘(exp‘(i · (ℑ‘(log‘𝐴))))))
37		recosval 16112	. . . . . . . . 9 ⊢ ((ℑ‘(log‘𝐴)) ∈ ℝ → (cos‘(ℑ‘(log‘𝐴))) = (ℜ‘(exp‘(i · (ℑ‘(log‘𝐴))))))
38	11, 37	syl 17	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (cos‘(ℑ‘(log‘𝐴))) = (ℜ‘(exp‘(i · (ℑ‘(log‘𝐴))))))
39	36, 38	breqtrrd 5171	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 < (cos‘(ℑ‘(log‘𝐴))))
40		fveq2 6892	. . . . . . . . 9 ⊢ ((abs‘(ℑ‘(log‘𝐴))) = (ℑ‘(log‘𝐴)) → (cos‘(abs‘(ℑ‘(log‘𝐴)))) = (cos‘(ℑ‘(log‘𝐴))))
41	40	a1i 11	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘(ℑ‘(log‘𝐴))) = (ℑ‘(log‘𝐴)) → (cos‘(abs‘(ℑ‘(log‘𝐴)))) = (cos‘(ℑ‘(log‘𝐴)))))
42	11	recnd 11272	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℑ‘(log‘𝐴)) ∈ ℂ)
43		cosneg 16123	. . . . . . . . . 10 ⊢ ((ℑ‘(log‘𝐴)) ∈ ℂ → (cos‘-(ℑ‘(log‘𝐴))) = (cos‘(ℑ‘(log‘𝐴))))
44	42, 43	syl 17	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (cos‘-(ℑ‘(log‘𝐴))) = (cos‘(ℑ‘(log‘𝐴))))
45		fveqeq2 6901	. . . . . . . . 9 ⊢ ((abs‘(ℑ‘(log‘𝐴))) = -(ℑ‘(log‘𝐴)) → ((cos‘(abs‘(ℑ‘(log‘𝐴)))) = (cos‘(ℑ‘(log‘𝐴))) ↔ (cos‘-(ℑ‘(log‘𝐴))) = (cos‘(ℑ‘(log‘𝐴)))))
46	44, 45	syl5ibrcom 246	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘(ℑ‘(log‘𝐴))) = -(ℑ‘(log‘𝐴)) → (cos‘(abs‘(ℑ‘(log‘𝐴)))) = (cos‘(ℑ‘(log‘𝐴)))))
47	11	absord 15394	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘(ℑ‘(log‘𝐴))) = (ℑ‘(log‘𝐴)) ∨ (abs‘(ℑ‘(log‘𝐴))) = -(ℑ‘(log‘𝐴))))
48	41, 46, 47	mpjaod 858	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (cos‘(abs‘(ℑ‘(log‘𝐴)))) = (cos‘(ℑ‘(log‘𝐴))))
49	39, 48	breqtrrd 5171	. . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 < (cos‘(abs‘(ℑ‘(log‘𝐴)))))
50	12, 49	eqbrtrid 5178	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (cos‘(π / 2)) < (cos‘(abs‘(ℑ‘(log‘𝐴)))))
51	42	abscld 15415	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘(ℑ‘(log‘𝐴))) ∈ ℝ)
52	42	absge0d 15423	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 ≤ (abs‘(ℑ‘(log‘𝐴))))
53		logimcl 26521	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (-π < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ π))
54	8, 53	syldan 589	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (-π < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ π))
55	54	simpld 493	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → -π < (ℑ‘(log‘𝐴)))
56		pire 26411	. . . . . . . . . . 11 ⊢ π ∈ ℝ
57	56	renegcli 11551	. . . . . . . . . 10 ⊢ -π ∈ ℝ
58		ltle 11332	. . . . . . . . . 10 ⊢ ((-π ∈ ℝ ∧ (ℑ‘(log‘𝐴)) ∈ ℝ) → (-π < (ℑ‘(log‘𝐴)) → -π ≤ (ℑ‘(log‘𝐴))))
59	57, 11, 58	sylancr 585	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (-π < (ℑ‘(log‘𝐴)) → -π ≤ (ℑ‘(log‘𝐴))))
60	55, 59	mpd 15	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → -π ≤ (ℑ‘(log‘𝐴)))
61	54	simprd 494	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℑ‘(log‘𝐴)) ≤ π)
62		absle 15294	. . . . . . . . 9 ⊢ (((ℑ‘(log‘𝐴)) ∈ ℝ ∧ π ∈ ℝ) → ((abs‘(ℑ‘(log‘𝐴))) ≤ π ↔ (-π ≤ (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ π)))
63	11, 56, 62	sylancl 584	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘(ℑ‘(log‘𝐴))) ≤ π ↔ (-π ≤ (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ π)))
64	60, 61, 63	mpbir2and 711	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘(ℑ‘(log‘𝐴))) ≤ π)
65	28, 56	elicc2i 13422	. . . . . . 7 ⊢ ((abs‘(ℑ‘(log‘𝐴))) ∈ (0[,]π) ↔ ((abs‘(ℑ‘(log‘𝐴))) ∈ ℝ ∧ 0 ≤ (abs‘(ℑ‘(log‘𝐴))) ∧ (abs‘(ℑ‘(log‘𝐴))) ≤ π))
66	51, 52, 64, 65	syl3anbrc 1340	. . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘(ℑ‘(log‘𝐴))) ∈ (0[,]π))
67		halfpire 26417	. . . . . . 7 ⊢ (π / 2) ∈ ℝ
68		pirp 26414	. . . . . . . 8 ⊢ π ∈ ℝ⁺
69		rphalfcl 13033	. . . . . . . 8 ⊢ (π ∈ ℝ⁺ → (π / 2) ∈ ℝ⁺)
70		rpge0 13019	. . . . . . . 8 ⊢ ((π / 2) ∈ ℝ⁺ → 0 ≤ (π / 2))
71	68, 69, 70	mp2b 10	. . . . . . 7 ⊢ 0 ≤ (π / 2)
72		rphalflt 13035	. . . . . . . . 9 ⊢ (π ∈ ℝ⁺ → (π / 2) < π)
73	68, 72	ax-mp 5	. . . . . . . 8 ⊢ (π / 2) < π
74	67, 56, 73	ltleii 11367	. . . . . . 7 ⊢ (π / 2) ≤ π
75	28, 56	elicc2i 13422	. . . . . . 7 ⊢ ((π / 2) ∈ (0[,]π) ↔ ((π / 2) ∈ ℝ ∧ 0 ≤ (π / 2) ∧ (π / 2) ≤ π))
76	67, 71, 74, 75	mpbir3an 1338	. . . . . 6 ⊢ (π / 2) ∈ (0[,]π)
77		cosord 26483	. . . . . 6 ⊢ (((abs‘(ℑ‘(log‘𝐴))) ∈ (0[,]π) ∧ (π / 2) ∈ (0[,]π)) → ((abs‘(ℑ‘(log‘𝐴))) < (π / 2) ↔ (cos‘(π / 2)) < (cos‘(abs‘(ℑ‘(log‘𝐴))))))
78	66, 76, 77	sylancl 584	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘(ℑ‘(log‘𝐴))) < (π / 2) ↔ (cos‘(π / 2)) < (cos‘(abs‘(ℑ‘(log‘𝐴))))))
79	50, 78	mpbird 256	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘(ℑ‘(log‘𝐴))) < (π / 2))
80		abslt 15293	. . . . 5 ⊢ (((ℑ‘(log‘𝐴)) ∈ ℝ ∧ (π / 2) ∈ ℝ) → ((abs‘(ℑ‘(log‘𝐴))) < (π / 2) ↔ (-(π / 2) < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) < (π / 2))))
81	11, 67, 80	sylancl 584	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘(ℑ‘(log‘𝐴))) < (π / 2) ↔ (-(π / 2) < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) < (π / 2))))
82	79, 81	mpbid 231	. . 3 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (-(π / 2) < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) < (π / 2)))
83	82	simpld 493	. 2 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → -(π / 2) < (ℑ‘(log‘𝐴)))
84	82	simprd 494	. 2 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℑ‘(log‘𝐴)) < (π / 2))
85	67	renegcli 11551	. . . 4 ⊢ -(π / 2) ∈ ℝ
86	85	rexri 11302	. . 3 ⊢ -(π / 2) ∈ ℝ^*
87	67	rexri 11302	. . 3 ⊢ (π / 2) ∈ ℝ^*
88		elioo2 13397	. . 3 ⊢ ((-(π / 2) ∈ ℝ^* ∧ (π / 2) ∈ ℝ^*) → ((ℑ‘(log‘𝐴)) ∈ (-(π / 2)(,)(π / 2)) ↔ ((ℑ‘(log‘𝐴)) ∈ ℝ ∧ -(π / 2) < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) < (π / 2))))
89	86, 87, 88	mp2an 690	. 2 ⊢ ((ℑ‘(log‘𝐴)) ∈ (-(π / 2)(,)(π / 2)) ↔ ((ℑ‘(log‘𝐴)) ∈ ℝ ∧ -(π / 2) < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) < (π / 2)))
90	11, 83, 84, 89	syl3anbrc 1340	1 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℑ‘(log‘𝐴)) ∈ (-(π / 2)(,)(π / 2)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 394 ∧ w3a 1084 = wceq 1533 ∈ wcel 2098 ≠ wne 2930 class class class wbr 5143 ‘cfv 6543 (class class class)co 7416 ℂcc 11136 ℝcr 11137 0cc0 11138 ici 11140 · cmul 11143 ℝ^*cxr 11277 < clt 11278 ≤ cle 11279 -cneg 11475 / cdiv 11901 2c2 12297 ℝ⁺crp 13006 (,)cioo 13356 [,]cicc 13359 ℜcre 15076 ℑcim 15077 abscabs 15213 expce 16037 cosccos 16040 πcpi 16042 logclog 26506

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 5280 ax-sep 5294 ax-nul 5301 ax-pow 5359 ax-pr 5423 ax-un 7738 ax-inf2 9664 ax-cnex 11194 ax-resscn 11195 ax-1cn 11196 ax-icn 11197 ax-addcl 11198 ax-addrcl 11199 ax-mulcl 11200 ax-mulrcl 11201 ax-mulcom 11202 ax-addass 11203 ax-mulass 11204 ax-distr 11205 ax-i2m1 11206 ax-1ne0 11207 ax-1rid 11208 ax-rnegex 11209 ax-rrecex 11210 ax-cnre 11211 ax-pre-lttri 11212 ax-pre-lttrn 11213 ax-pre-ltadd 11214 ax-pre-mulgt0 11215 ax-pre-sup 11216 ax-addf 11217

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 3769 df-csb 3885 df-dif 3942 df-un 3944 df-in 3946 df-ss 3956 df-pss 3959 df-nul 4319 df-if 4525 df-pw 4600 df-sn 4625 df-pr 4627 df-tp 4629 df-op 4631 df-uni 4904 df-int 4945 df-iun 4993 df-iin 4994 df-br 5144 df-opab 5206 df-mpt 5227 df-tr 5261 df-id 5570 df-eprel 5576 df-po 5584 df-so 5585 df-fr 5627 df-se 5628 df-we 5629 df-xp 5678 df-rel 5679 df-cnv 5680 df-co 5681 df-dm 5682 df-rn 5683 df-res 5684 df-ima 5685 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 7372 df-ov 7419 df-oprab 7420 df-mpo 7421 df-of 7682 df-om 7869 df-1st 7991 df-2nd 7992 df-supp 8164 df-frecs 8285 df-wrecs 8316 df-recs 8390 df-rdg 8429 df-1o 8485 df-2o 8486 df-er 8723 df-map 8845 df-pm 8846 df-ixp 8915 df-en 8963 df-dom 8964 df-sdom 8965 df-fin 8966 df-fsupp 9386 df-fi 9434 df-sup 9465 df-inf 9466 df-oi 9533 df-card 9962 df-pnf 11280 df-mnf 11281 df-xr 11282 df-ltxr 11283 df-le 11284 df-sub 11476 df-neg 11477 df-div 11902 df-nn 12243 df-2 12305 df-3 12306 df-4 12307 df-5 12308 df-6 12309 df-7 12310 df-8 12311 df-9 12312 df-n0 12503 df-z 12589 df-dec 12708 df-uz 12853 df-q 12963 df-rp 13007 df-xneg 13124 df-xadd 13125 df-xmul 13126 df-ioo 13360 df-ioc 13361 df-ico 13362 df-icc 13363 df-fz 13517 df-fzo 13660 df-fl 13789 df-mod 13867 df-seq 13999 df-exp 14059 df-fac 14265 df-bc 14294 df-hash 14322 df-shft 15046 df-cj 15078 df-re 15079 df-im 15080 df-sqrt 15214 df-abs 15215 df-limsup 15447 df-clim 15464 df-rlim 15465 df-sum 15665 df-ef 16043 df-sin 16045 df-cos 16046 df-pi 16048 df-struct 17115 df-sets 17132 df-slot 17150 df-ndx 17162 df-base 17180 df-ress 17209 df-plusg 17245 df-mulr 17246 df-starv 17247 df-sca 17248 df-vsca 17249 df-ip 17250 df-tset 17251 df-ple 17252 df-ds 17254 df-unif 17255 df-hom 17256 df-cco 17257 df-rest 17403 df-topn 17404 df-0g 17422 df-gsum 17423 df-topgen 17424 df-pt 17425 df-prds 17428 df-xrs 17483 df-qtop 17488 df-imas 17489 df-xps 17491 df-mre 17565 df-mrc 17566 df-acs 17568 df-mgm 18599 df-sgrp 18678 df-mnd 18694 df-submnd 18740 df-mulg 19028 df-cntz 19272 df-cmn 19741 df-psmet 21275 df-xmet 21276 df-met 21277 df-bl 21278 df-mopn 21279 df-fbas 21280 df-fg 21281 df-cnfld 21284 df-top 22814 df-topon 22831 df-topsp 22853 df-bases 22867 df-cld 22941 df-ntr 22942 df-cls 22943 df-nei 23020 df-lp 23058 df-perf 23059 df-cn 23149 df-cnp 23150 df-haus 23237 df-tx 23484 df-hmeo 23677 df-fil 23768 df-fm 23860 df-flim 23861 df-flf 23862 df-xms 24244 df-ms 24245 df-tms 24246 df-cncf 24816 df-limc 25813 df-dv 25814 df-log 26508

This theorem is referenced by: logcnlem4 26597 atanlogsublem 26865

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