Theorem argregt0 24160

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 13698	. . . . . 6 ⊢ (𝐴 ∈ ℂ → (ℜ‘𝐴) ∈ ℝ)
2		gt0ne0 10372	. . . . . 6 ⊢ (((ℜ‘𝐴) ∈ ℝ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘𝐴) ≠ 0)
3	1, 2	sylan 487	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘𝐴) ≠ 0)
4		fveq2 6103	. . . . . . 7 ⊢ (𝐴 = 0 → (ℜ‘𝐴) = (ℜ‘0))
5		re0 13740	. . . . . . 7 ⊢ (ℜ‘0) = 0
6	4, 5	syl6eq 2660	. . . . . 6 ⊢ (𝐴 = 0 → (ℜ‘𝐴) = 0)
7	6	necon3i 2814	. . . . 5 ⊢ ((ℜ‘𝐴) ≠ 0 → 𝐴 ≠ 0)
8	3, 7	syl 17	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 𝐴 ≠ 0)
9		logcl 24119	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (log‘𝐴) ∈ ℂ)
10	8, 9	syldan 486	. . 3 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (log‘𝐴) ∈ ℂ)
11	10	imcld 13783	. 2 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℑ‘(log‘𝐴)) ∈ ℝ)
12		coshalfpi 24025	. . . . . 6 ⊢ (cos‘(π / 2)) = 0
13		simpr 476	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 < (ℜ‘𝐴))
14		abscl 13866	. . . . . . . . . . . . . 14 ⊢ (𝐴 ∈ ℂ → (abs‘𝐴) ∈ ℝ)
15	14	adantr 480	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘𝐴) ∈ ℝ)
16	15	recnd 9947	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘𝐴) ∈ ℂ)
17	16	mul01d 10114	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘𝐴) · 0) = 0)
18		simpl 472	. . . . . . . . . . . . . 14 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 𝐴 ∈ ℂ)
19		absrpcl 13876	. . . . . . . . . . . . . . . 16 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (abs‘𝐴) ∈ ℝ+)
20	8, 19	syldan 486	. . . . . . . . . . . . . . 15 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘𝐴) ∈ ℝ+)
21	20	rpne0d 11753	. . . . . . . . . . . . . 14 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘𝐴) ≠ 0)
22	18, 16, 21	divcld 10680	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (𝐴 / (abs‘𝐴)) ∈ ℂ)
23	15, 22	remul2d 13815	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘((abs‘𝐴) · (𝐴 / (abs‘𝐴)))) = ((abs‘𝐴) · (ℜ‘(𝐴 / (abs‘𝐴)))))
24	18, 16, 21	divcan2d 10682	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘𝐴) · (𝐴 / (abs‘𝐴))) = 𝐴)
25	24	fveq2d 6107	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘((abs‘𝐴) · (𝐴 / (abs‘𝐴)))) = (ℜ‘𝐴))
26	23, 25	eqtr3d 2646	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘𝐴) · (ℜ‘(𝐴 / (abs‘𝐴)))) = (ℜ‘𝐴))
27	13, 17, 26	3brtr4d 4615	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘𝐴) · 0) < ((abs‘𝐴) · (ℜ‘(𝐴 / (abs‘𝐴)))))
28		0re 9919	. . . . . . . . . . . 12 ⊢ 0 ∈ ℝ
29	28	a1i 11	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 ∈ ℝ)
30	22	recld 13782	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘(𝐴 / (abs‘𝐴))) ∈ ℝ)
31	29, 30, 20	ltmul2d 11790	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (0 < (ℜ‘(𝐴 / (abs‘𝐴))) ↔ ((abs‘𝐴) · 0) < ((abs‘𝐴) · (ℜ‘(𝐴 / (abs‘𝐴))))))
32	27, 31	mpbird 246	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 < (ℜ‘(𝐴 / (abs‘𝐴))))
33		efiarg 24157	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (exp‘(i · (ℑ‘(log‘𝐴)))) = (𝐴 / (abs‘𝐴)))
34	8, 33	syldan 486	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (exp‘(i · (ℑ‘(log‘𝐴)))) = (𝐴 / (abs‘𝐴)))
35	34	fveq2d 6107	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℜ‘(exp‘(i · (ℑ‘(log‘𝐴))))) = (ℜ‘(𝐴 / (abs‘𝐴))))
36	32, 35	breqtrrd 4611	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 < (ℜ‘(exp‘(i · (ℑ‘(log‘𝐴))))))
37		recosval 14705	. . . . . . . . 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 4611	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 < (cos‘(ℑ‘(log‘𝐴))))
40		fveq2 6103	. . . . . . . . 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 9947	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℑ‘(log‘𝐴)) ∈ ℂ)
43		cosneg 14716	. . . . . . . . . 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		fveq2 6103	. . . . . . . . . 10 ⊢ ((abs‘(ℑ‘(log‘𝐴))) = -(ℑ‘(log‘𝐴)) → (cos‘(abs‘(ℑ‘(log‘𝐴)))) = (cos‘-(ℑ‘(log‘𝐴))))
46	45	eqeq1d 2612	. . . . . . . . 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)))))
47	44, 46	syl5ibrcom 236	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘(ℑ‘(log‘𝐴))) = -(ℑ‘(log‘𝐴)) → (cos‘(abs‘(ℑ‘(log‘𝐴)))) = (cos‘(ℑ‘(log‘𝐴)))))
48	11	absord 14002	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘(ℑ‘(log‘𝐴))) = (ℑ‘(log‘𝐴)) ∨ (abs‘(ℑ‘(log‘𝐴))) = -(ℑ‘(log‘𝐴))))
49	41, 47, 48	mpjaod 395	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (cos‘(abs‘(ℑ‘(log‘𝐴)))) = (cos‘(ℑ‘(log‘𝐴))))
50	39, 49	breqtrrd 4611	. . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 < (cos‘(abs‘(ℑ‘(log‘𝐴)))))
51	12, 50	syl5eqbr 4618	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (cos‘(π / 2)) < (cos‘(abs‘(ℑ‘(log‘𝐴)))))
52		abscl 13866	. . . . . . . 8 ⊢ ((ℑ‘(log‘𝐴)) ∈ ℂ → (abs‘(ℑ‘(log‘𝐴))) ∈ ℝ)
53	42, 52	syl 17	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘(ℑ‘(log‘𝐴))) ∈ ℝ)
54	42	absge0d 14031	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → 0 ≤ (abs‘(ℑ‘(log‘𝐴))))
55		logimcl 24120	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (-π < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ π))
56	8, 55	syldan 486	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (-π < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ π))
57	56	simpld 474	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → -π < (ℑ‘(log‘𝐴)))
58		pire 24014	. . . . . . . . . . 11 ⊢ π ∈ ℝ
59	58	renegcli 10221	. . . . . . . . . 10 ⊢ -π ∈ ℝ
60		ltle 10005	. . . . . . . . . 10 ⊢ ((-π ∈ ℝ ∧ (ℑ‘(log‘𝐴)) ∈ ℝ) → (-π < (ℑ‘(log‘𝐴)) → -π ≤ (ℑ‘(log‘𝐴))))
61	59, 11, 60	sylancr 694	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (-π < (ℑ‘(log‘𝐴)) → -π ≤ (ℑ‘(log‘𝐴))))
62	57, 61	mpd 15	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → -π ≤ (ℑ‘(log‘𝐴)))
63	56	simprd 478	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℑ‘(log‘𝐴)) ≤ π)
64		absle 13903	. . . . . . . . 9 ⊢ (((ℑ‘(log‘𝐴)) ∈ ℝ ∧ π ∈ ℝ) → ((abs‘(ℑ‘(log‘𝐴))) ≤ π ↔ (-π ≤ (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ π)))
65	11, 58, 64	sylancl 693	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘(ℑ‘(log‘𝐴))) ≤ π ↔ (-π ≤ (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ π)))
66	62, 63, 65	mpbir2and 959	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘(ℑ‘(log‘𝐴))) ≤ π)
67	28, 58	elicc2i 12110	. . . . . . 7 ⊢ ((abs‘(ℑ‘(log‘𝐴))) ∈ (0[,]π) ↔ ((abs‘(ℑ‘(log‘𝐴))) ∈ ℝ ∧ 0 ≤ (abs‘(ℑ‘(log‘𝐴))) ∧ (abs‘(ℑ‘(log‘𝐴))) ≤ π))
68	53, 54, 66, 67	syl3anbrc 1239	. . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘(ℑ‘(log‘𝐴))) ∈ (0[,]π))
69		halfpire 24020	. . . . . . 7 ⊢ (π / 2) ∈ ℝ
70		pirp 24017	. . . . . . . 8 ⊢ π ∈ ℝ+
71		rphalfcl 11734	. . . . . . . 8 ⊢ (π ∈ ℝ+ → (π / 2) ∈ ℝ+)
72		rpge0 11721	. . . . . . . 8 ⊢ ((π / 2) ∈ ℝ+ → 0 ≤ (π / 2))
73	70, 71, 72	mp2b 10	. . . . . . 7 ⊢ 0 ≤ (π / 2)
74		rphalflt 11736	. . . . . . . . 9 ⊢ (π ∈ ℝ+ → (π / 2) < π)
75	70, 74	ax-mp 5	. . . . . . . 8 ⊢ (π / 2) < π
76	69, 58, 75	ltleii 10039	. . . . . . 7 ⊢ (π / 2) ≤ π
77	28, 58	elicc2i 12110	. . . . . . 7 ⊢ ((π / 2) ∈ (0[,]π) ↔ ((π / 2) ∈ ℝ ∧ 0 ≤ (π / 2) ∧ (π / 2) ≤ π))
78	69, 73, 76, 77	mpbir3an 1237	. . . . . 6 ⊢ (π / 2) ∈ (0[,]π)
79		cosord 24082	. . . . . 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))))))
80	68, 78, 79	sylancl 693	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘(ℑ‘(log‘𝐴))) < (π / 2) ↔ (cos‘(π / 2)) < (cos‘(abs‘(ℑ‘(log‘𝐴))))))
81	51, 80	mpbird 246	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (abs‘(ℑ‘(log‘𝐴))) < (π / 2))
82		abslt 13902	. . . . 5 ⊢ (((ℑ‘(log‘𝐴)) ∈ ℝ ∧ (π / 2) ∈ ℝ) → ((abs‘(ℑ‘(log‘𝐴))) < (π / 2) ↔ (-(π / 2) < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) < (π / 2))))
83	11, 69, 82	sylancl 693	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → ((abs‘(ℑ‘(log‘𝐴))) < (π / 2) ↔ (-(π / 2) < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) < (π / 2))))
84	81, 83	mpbid 221	. . 3 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (-(π / 2) < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) < (π / 2)))
85	84	simpld 474	. 2 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → -(π / 2) < (ℑ‘(log‘𝐴)))
86	84	simprd 478	. 2 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℑ‘(log‘𝐴)) < (π / 2))
87	69	renegcli 10221	. . . 4 ⊢ -(π / 2) ∈ ℝ
88	87	rexri 9976	. . 3 ⊢ -(π / 2) ∈ ℝ*
89	69	rexri 9976	. . 3 ⊢ (π / 2) ∈ ℝ*
90		elioo2 12087	. . 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))))
91	88, 89, 90	mp2an 704	. 2 ⊢ ((ℑ‘(log‘𝐴)) ∈ (-(π / 2)(,)(π / 2)) ↔ ((ℑ‘(log‘𝐴)) ∈ ℝ ∧ -(π / 2) < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) < (π / 2)))
92	11, 85, 86, 91	syl3anbrc 1239	1 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℜ‘𝐴)) → (ℑ‘(log‘𝐴)) ∈ (-(π / 2)(,)(π / 2)))

Syntax hints:   → wi 4   ↔ wb 195   ∧ wa 383   ∧ w3a 1031   = wceq 1475   ∈ wcel 1977   ≠ wne 2780   class class class wbr 4583  ‘cfv 5804  (class class class)co 6549  ℂcc 9813  ℝcr 9814  0cc0 9815  ici 9817   · cmul 9820  ℝ^*cxr 9952   < clt 9953   ≤ cle 9954  -cneg 10146   / cdiv 10563  2c2 10947  ℝ⁺crp 11708  (,)cioo 12046  [,]cicc 12049  ℜcre 13685  ℑcim 13686  abscabs 13822  expce 14631  cosccos 14634  πcpi 14636  logclog 24105

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-8 1979  ax-9 1986  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-rep 4699  ax-sep 4709  ax-nul 4717  ax-pow 4769  ax-pr 4833  ax-un 6847  ax-inf2 8421  ax-cnex 9871  ax-resscn 9872  ax-1cn 9873  ax-icn 9874  ax-addcl 9875  ax-addrcl 9876  ax-mulcl 9877  ax-mulrcl 9878  ax-mulcom 9879  ax-addass 9880  ax-mulass 9881  ax-distr 9882  ax-i2m1 9883  ax-1ne0 9884  ax-1rid 9885  ax-rnegex 9886  ax-rrecex 9887  ax-cnre 9888  ax-pre-lttri 9889  ax-pre-lttrn 9890  ax-pre-ltadd 9891  ax-pre-mulgt0 9892  ax-pre-sup 9893  ax-addf 9894  ax-mulf 9895

This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3or 1032  df-3an 1033  df-tru 1478  df-fal 1481  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-mo 2463  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ne 2782  df-nel 2783  df-ral 2901  df-rex 2902  df-reu 2903  df-rmo 2904  df-rab 2905  df-v 3175  df-sbc 3403  df-csb 3500  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-pss 3556  df-nul 3875  df-if 4037  df-pw 4110  df-sn 4126  df-pr 4128  df-tp 4130  df-op 4132  df-uni 4373  df-int 4411  df-iun 4457  df-iin 4458  df-br 4584  df-opab 4644  df-mpt 4645  df-tr 4681  df-eprel 4949  df-id 4953  df-po 4959  df-so 4960  df-fr 4997  df-se 4998  df-we 4999  df-xp 5044  df-rel 5045  df-cnv 5046  df-co 5047  df-dm 5048  df-rn 5049  df-res 5050  df-ima 5051  df-pred 5597  df-ord 5643  df-on 5644  df-lim 5645  df-suc 5646  df-iota 5768  df-fun 5806  df-fn 5807  df-f 5808  df-f1 5809  df-fo 5810  df-f1o 5811  df-fv 5812  df-isom 5813  df-riota 6511  df-ov 6552  df-oprab 6553  df-mpt2 6554  df-of 6795  df-om 6958  df-1st 7059  df-2nd 7060  df-supp 7183  df-wrecs 7294  df-recs 7355  df-rdg 7393  df-1o 7447  df-2o 7448  df-oadd 7451  df-er 7629  df-map 7746  df-pm 7747  df-ixp 7795  df-en 7842  df-dom 7843  df-sdom 7844  df-fin 7845  df-fsupp 8159  df-fi 8200  df-sup 8231  df-inf 8232  df-oi 8298  df-card 8648  df-cda 8873  df-pnf 9955  df-mnf 9956  df-xr 9957  df-ltxr 9958  df-le 9959  df-sub 10147  df-neg 10148  df-div 10564  df-nn 10898  df-2 10956  df-3 10957  df-4 10958  df-5 10959  df-6 10960  df-7 10961  df-8 10962  df-9 10963  df-n0 11170  df-z 11255  df-dec 11370  df-uz 11564  df-q 11665  df-rp 11709  df-xneg 11822  df-xadd 11823  df-xmul 11824  df-ioo 12050  df-ioc 12051  df-ico 12052  df-icc 12053  df-fz 12198  df-fzo 12335  df-fl 12455  df-mod 12531  df-seq 12664  df-exp 12723  df-fac 12923  df-bc 12952  df-hash 12980  df-shft 13655  df-cj 13687  df-re 13688  df-im 13689  df-sqrt 13823  df-abs 13824  df-limsup 14050  df-clim 14067  df-rlim 14068  df-sum 14265  df-ef 14637  df-sin 14639  df-cos 14640  df-pi 14642  df-struct 15697  df-ndx 15698  df-slot 15699  df-base 15700  df-sets 15701  df-ress 15702  df-plusg 15781  df-mulr 15782  df-starv 15783  df-sca 15784  df-vsca 15785  df-ip 15786  df-tset 15787  df-ple 15788  df-ds 15791  df-unif 15792  df-hom 15793  df-cco 15794  df-rest 15906  df-topn 15907  df-0g 15925  df-gsum 15926  df-topgen 15927  df-pt 15928  df-prds 15931  df-xrs 15985  df-qtop 15990  df-imas 15991  df-xps 15993  df-mre 16069  df-mrc 16070  df-acs 16072  df-mgm 17065  df-sgrp 17107  df-mnd 17118  df-submnd 17159  df-mulg 17364  df-cntz 17573  df-cmn 18018  df-psmet 19559  df-xmet 19560  df-met 19561  df-bl 19562  df-mopn 19563  df-fbas 19564  df-fg 19565  df-cnfld 19568  df-top 20521  df-bases 20522  df-topon 20523  df-topsp 20524  df-cld 20633  df-ntr 20634  df-cls 20635  df-nei 20712  df-lp 20750  df-perf 20751  df-cn 20841  df-cnp 20842  df-haus 20929  df-tx 21175  df-hmeo 21368  df-fil 21460  df-fm 21552  df-flim 21553  df-flf 21554  df-xms 21935  df-ms 21936  df-tms 21937  df-cncf 22489  df-limc 23436  df-dv 23437  df-log 24107

This theorem is referenced by:  logcnlem4  24191  atanlogsublem  24442