argregt0 - Metamath Proof Explorer

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Theorem argregt0 26499

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 15063	. . . . . 6 ⊢ (𝐴 ∈ ℂ → (ℜ‘𝐴) ∈ ℝ)
2		gt0ne0 11683	. . . . . 6 ⊢ (((ℜ‘𝐴) ∈ ℝ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘𝐴) ≠ 0)
3	1, 2	sylan 579	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘𝐴) ≠ 0)
4		fveq2 6885	. . . . . . 7 ⊢ (𝐴 = 0 → (ℜ‘𝐴) = (ℜ‘0))
5		re0 15105	. . . . . . 7 ⊢ (ℜ‘0) = 0
6	4, 5	eqtrdi 2782	. . . . . 6 ⊢ (𝐴 = 0 → (ℜ‘𝐴) = 0)
7	6	necon3i 2967	. . . . 5 ⊢ ((ℜ‘𝐴) ≠ 0 → 𝐴 ≠ 0)
8	3, 7	syl 17	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 𝐴 ≠ 0)
9		logcl 26457	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (log‘𝐴) ∈ ℂ)
10	8, 9	syldan 590	. . 3 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (log‘𝐴) ∈ ℂ)
11	10	imcld 15148	. 2 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℑ‘(log‘𝐴)) ∈ ℝ)
12		coshalfpi 26359	. . . . . 6 ⊢ (cos‘(π / 2)) = 0
13		simpr 484	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 < (ℜ‘𝐴))
14		abscl 15231	. . . . . . . . . . . . . 14 ⊢ (𝐴 ∈ ℂ → (abs‘𝐴) ∈ ℝ)
15	14	adantr 480	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘𝐴) ∈ ℝ)
16	15	recnd 11246	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘𝐴) ∈ ℂ)
17	16	mul01d 11417	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘𝐴) · 0) = 0)
18		simpl 482	. . . . . . . . . . . . . 14 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 𝐴 ∈ ℂ)
19		absrpcl 15241	. . . . . . . . . . . . . . . 16 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (abs‘𝐴) ∈ ℝ⁺)
20	8, 19	syldan 590	. . . . . . . . . . . . . . 15 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘𝐴) ∈ ℝ⁺)
21	20	rpne0d 13027	. . . . . . . . . . . . . 14 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘𝐴) ≠ 0)
22	18, 16, 21	divcld 11994	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (𝐴 / (abs‘𝐴)) ∈ ℂ)
23	15, 22	remul2d 15180	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘((abs‘𝐴) · (𝐴 / (abs‘𝐴)))) = ((abs‘𝐴) · (ℜ‘(𝐴 / (abs‘𝐴)))))
24	18, 16, 21	divcan2d 11996	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘𝐴) · (𝐴 / (abs‘𝐴))) = 𝐴)
25	24	fveq2d 6889	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘((abs‘𝐴) · (𝐴 / (abs‘𝐴)))) = (ℜ‘𝐴))
26	23, 25	eqtr3d 2768	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘𝐴) · (ℜ‘(𝐴 / (abs‘𝐴)))) = (ℜ‘𝐴))
27	13, 17, 26	3brtr4d 5173	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘𝐴) · 0) < ((abs‘𝐴) · (ℜ‘(𝐴 / (abs‘𝐴)))))
28		0re 11220	. . . . . . . . . . . 12 ⊢ 0 ∈ ℝ
29	28	a1i 11	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 ∈ ℝ)
30	22	recld 15147	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘(𝐴 / (abs‘𝐴))) ∈ ℝ)
31	29, 30, 20	ltmul2d 13064	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (0 < (ℜ‘(𝐴 / (abs‘𝐴))) ↔ ((abs‘𝐴) · 0) < ((abs‘𝐴) · (ℜ‘(𝐴 / (abs‘𝐴))))))
32	27, 31	mpbird 257	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 < (ℜ‘(𝐴 / (abs‘𝐴))))
33		efiarg 26496	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (exp‘(i · (ℑ‘(log‘𝐴)))) = (𝐴 / (abs‘𝐴)))
34	8, 33	syldan 590	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (exp‘(i · (ℑ‘(log‘𝐴)))) = (𝐴 / (abs‘𝐴)))
35	34	fveq2d 6889	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘(exp‘(i · (ℑ‘(log‘𝐴))))) = (ℜ‘(𝐴 / (abs‘𝐴))))
36	32, 35	breqtrrd 5169	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 < (ℜ‘(exp‘(i · (ℑ‘(log‘𝐴))))))
37		recosval 16086	. . . . . . . . 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 5169	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 < (cos‘(ℑ‘(log‘𝐴))))
40		fveq2 6885	. . . . . . . . 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 11246	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℑ‘(log‘𝐴)) ∈ ℂ)
43		cosneg 16097	. . . . . . . . . 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 6894	. . . . . . . . 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 15368	. . . . . . . 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 857	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (cos‘(abs‘(ℑ‘(log‘𝐴)))) = (cos‘(ℑ‘(log‘𝐴))))
49	39, 48	breqtrrd 5169	. . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 < (cos‘(abs‘(ℑ‘(log‘𝐴)))))
50	12, 49	eqbrtrid 5176	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (cos‘(π / 2)) < (cos‘(abs‘(ℑ‘(log‘𝐴)))))
51	42	abscld 15389	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘(ℑ‘(log‘𝐴))) ∈ ℝ)
52	42	absge0d 15397	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 ≤ (abs‘(ℑ‘(log‘𝐴))))
53		logimcl 26458	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (-π < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ π))
54	8, 53	syldan 590	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (-π < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ π))
55	54	simpld 494	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → -π < (ℑ‘(log‘𝐴)))
56		pire 26348	. . . . . . . . . . 11 ⊢ π ∈ ℝ
57	56	renegcli 11525	. . . . . . . . . 10 ⊢ -π ∈ ℝ
58		ltle 11306	. . . . . . . . . 10 ⊢ ((-π ∈ ℝ ∧ (ℑ‘(log‘𝐴)) ∈ ℝ) → (-π < (ℑ‘(log‘𝐴)) → -π ≤ (ℑ‘(log‘𝐴))))
59	57, 11, 58	sylancr 586	. . . . . . . . 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 495	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℑ‘(log‘𝐴)) ≤ π)
62		absle 15268	. . . . . . . . 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 585	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘(ℑ‘(log‘𝐴))) ≤ π ↔ (-π ≤ (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ π)))
64	60, 61, 63	mpbir2and 710	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘(ℑ‘(log‘𝐴))) ≤ π)
65	28, 56	elicc2i 13396	. . . . . . 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 26354	. . . . . . 7 ⊢ (π / 2) ∈ ℝ
68		pirp 26351	. . . . . . . 8 ⊢ π ∈ ℝ⁺
69		rphalfcl 13007	. . . . . . . 8 ⊢ (π ∈ ℝ⁺ → (π / 2) ∈ ℝ⁺)
70		rpge0 12993	. . . . . . . 8 ⊢ ((π / 2) ∈ ℝ⁺ → 0 ≤ (π / 2))
71	68, 69, 70	mp2b 10	. . . . . . 7 ⊢ 0 ≤ (π / 2)
72		rphalflt 13009	. . . . . . . . 9 ⊢ (π ∈ ℝ⁺ → (π / 2) < π)
73	68, 72	ax-mp 5	. . . . . . . 8 ⊢ (π / 2) < π
74	67, 56, 73	ltleii 11341	. . . . . . 7 ⊢ (π / 2) ≤ π
75	28, 56	elicc2i 13396	. . . . . . 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 26420	. . . . . 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 585	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘(ℑ‘(log‘𝐴))) < (π / 2) ↔ (cos‘(π / 2)) < (cos‘(abs‘(ℑ‘(log‘𝐴))))))
79	50, 78	mpbird 257	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘(ℑ‘(log‘𝐴))) < (π / 2))
80		abslt 15267	. . . . 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 585	. . . 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 494	. 2 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → -(π / 2) < (ℑ‘(log‘𝐴)))
84	82	simprd 495	. 2 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℑ‘(log‘𝐴)) < (π / 2))
85	67	renegcli 11525	. . . 4 ⊢ -(π / 2) ∈ ℝ
86	85	rexri 11276	. . 3 ⊢ -(π / 2) ∈ ℝ^*
87	67	rexri 11276	. . 3 ⊢ (π / 2) ∈ ℝ^*
88		elioo2 13371	. . 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 689	. 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 395 ∧ w3a 1084 = wceq 1533 ∈ wcel 2098 ≠ wne 2934 class class class wbr 5141 ‘cfv 6537 (class class class)co 7405 ℂcc 11110 ℝcr 11111 0cc0 11112 ici 11114 · cmul 11117 ℝ^*cxr 11251 < clt 11252 ≤ cle 11253 -cneg 11449 / cdiv 11875 2c2 12271 ℝ⁺crp 12980 (,)cioo 13330 [,]cicc 13333 ℜcre 15050 ℑcim 15051 abscabs 15187 expce 16011 cosccos 16014 πcpi 16016 logclog 26443

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 2163 ax-ext 2697 ax-rep 5278 ax-sep 5292 ax-nul 5299 ax-pow 5356 ax-pr 5420 ax-un 7722 ax-inf2 9638 ax-cnex 11168 ax-resscn 11169 ax-1cn 11170 ax-icn 11171 ax-addcl 11172 ax-addrcl 11173 ax-mulcl 11174 ax-mulrcl 11175 ax-mulcom 11176 ax-addass 11177 ax-mulass 11178 ax-distr 11179 ax-i2m1 11180 ax-1ne0 11181 ax-1rid 11182 ax-rnegex 11183 ax-rrecex 11184 ax-cnre 11185 ax-pre-lttri 11186 ax-pre-lttrn 11187 ax-pre-ltadd 11188 ax-pre-mulgt0 11189 ax-pre-sup 11190 ax-addf 11191

This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 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 2704 df-cleq 2718 df-clel 2804 df-nfc 2879 df-ne 2935 df-nel 3041 df-ral 3056 df-rex 3065 df-rmo 3370 df-reu 3371 df-rab 3427 df-v 3470 df-sbc 3773 df-csb 3889 df-dif 3946 df-un 3948 df-in 3950 df-ss 3960 df-pss 3962 df-nul 4318 df-if 4524 df-pw 4599 df-sn 4624 df-pr 4626 df-tp 4628 df-op 4630 df-uni 4903 df-int 4944 df-iun 4992 df-iin 4993 df-br 5142 df-opab 5204 df-mpt 5225 df-tr 5259 df-id 5567 df-eprel 5573 df-po 5581 df-so 5582 df-fr 5624 df-se 5625 df-we 5626 df-xp 5675 df-rel 5676 df-cnv 5677 df-co 5678 df-dm 5679 df-rn 5680 df-res 5681 df-ima 5682 df-pred 6294 df-ord 6361 df-on 6362 df-lim 6363 df-suc 6364 df-iota 6489 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-isom 6546 df-riota 7361 df-ov 7408 df-oprab 7409 df-mpo 7410 df-of 7667 df-om 7853 df-1st 7974 df-2nd 7975 df-supp 8147 df-frecs 8267 df-wrecs 8298 df-recs 8372 df-rdg 8411 df-1o 8467 df-2o 8468 df-er 8705 df-map 8824 df-pm 8825 df-ixp 8894 df-en 8942 df-dom 8943 df-sdom 8944 df-fin 8945 df-fsupp 9364 df-fi 9408 df-sup 9439 df-inf 9440 df-oi 9507 df-card 9936 df-pnf 11254 df-mnf 11255 df-xr 11256 df-ltxr 11257 df-le 11258 df-sub 11450 df-neg 11451 df-div 11876 df-nn 12217 df-2 12279 df-3 12280 df-4 12281 df-5 12282 df-6 12283 df-7 12284 df-8 12285 df-9 12286 df-n0 12477 df-z 12563 df-dec 12682 df-uz 12827 df-q 12937 df-rp 12981 df-xneg 13098 df-xadd 13099 df-xmul 13100 df-ioo 13334 df-ioc 13335 df-ico 13336 df-icc 13337 df-fz 13491 df-fzo 13634 df-fl 13763 df-mod 13841 df-seq 13973 df-exp 14033 df-fac 14239 df-bc 14268 df-hash 14296 df-shft 15020 df-cj 15052 df-re 15053 df-im 15054 df-sqrt 15188 df-abs 15189 df-limsup 15421 df-clim 15438 df-rlim 15439 df-sum 15639 df-ef 16017 df-sin 16019 df-cos 16020 df-pi 16022 df-struct 17089 df-sets 17106 df-slot 17124 df-ndx 17136 df-base 17154 df-ress 17183 df-plusg 17219 df-mulr 17220 df-starv 17221 df-sca 17222 df-vsca 17223 df-ip 17224 df-tset 17225 df-ple 17226 df-ds 17228 df-unif 17229 df-hom 17230 df-cco 17231 df-rest 17377 df-topn 17378 df-0g 17396 df-gsum 17397 df-topgen 17398 df-pt 17399 df-prds 17402 df-xrs 17457 df-qtop 17462 df-imas 17463 df-xps 17465 df-mre 17539 df-mrc 17540 df-acs 17542 df-mgm 18573 df-sgrp 18652 df-mnd 18668 df-submnd 18714 df-mulg 18996 df-cntz 19233 df-cmn 19702 df-psmet 21232 df-xmet 21233 df-met 21234 df-bl 21235 df-mopn 21236 df-fbas 21237 df-fg 21238 df-cnfld 21241 df-top 22751 df-topon 22768 df-topsp 22790 df-bases 22804 df-cld 22878 df-ntr 22879 df-cls 22880 df-nei 22957 df-lp 22995 df-perf 22996 df-cn 23086 df-cnp 23087 df-haus 23174 df-tx 23421 df-hmeo 23614 df-fil 23705 df-fm 23797 df-flim 23798 df-flf 23799 df-xms 24181 df-ms 24182 df-tms 24183 df-cncf 24753 df-limc 25750 df-dv 25751 df-log 26445

This theorem is referenced by: logcnlem4 26534 atanlogsublem 26802

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