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Theorem argimgt0 26574

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

**Assertion**
Ref	Expression
argimgt0	⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(log‘𝐴)) ∈ (0(,)π))

**Proof of Theorem argimgt0**
Step	Hyp	Ref	Expression
1		imcl 15100	. . . . . 6 ⊢ (𝐴 ∈ ℂ → (ℑ‘𝐴) ∈ ℝ)
2		gt0ne0 11719	. . . . . 6 ⊢ (((ℑ‘𝐴) ∈ ℝ ∧ 0 < (ℑ‘𝐴)) → (ℑ‘𝐴) ≠ 0)
3	1, 2	sylan 578	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (ℑ‘𝐴) ≠ 0)
4		fveq2 6902	. . . . . . 7 ⊢ (𝐴 = 0 → (ℑ‘𝐴) = (ℑ‘0))
5		im0 15142	. . . . . . 7 ⊢ (ℑ‘0) = 0
6	4, 5	eqtrdi 2784	. . . . . 6 ⊢ (𝐴 = 0 → (ℑ‘𝐴) = 0)
7	6	necon3i 2970	. . . . 5 ⊢ ((ℑ‘𝐴) ≠ 0 → 𝐴 ≠ 0)
8	3, 7	syl 17	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → 𝐴 ≠ 0)
9		logcl 26530	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (log‘𝐴) ∈ ℂ)
10	8, 9	syldan 589	. . 3 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (log‘𝐴) ∈ ℂ)
11	10	imcld 15184	. 2 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(log‘𝐴)) ∈ ℝ)
12		simpr 483	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → 0 < (ℑ‘𝐴))
13		abscl 15267	. . . . . . . . . . 11 ⊢ (𝐴 ∈ ℂ → (abs‘𝐴) ∈ ℝ)
14	13	adantr 479	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (abs‘𝐴) ∈ ℝ)
15	14	recnd 11282	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (abs‘𝐴) ∈ ℂ)
16	15	mul01d 11453	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → ((abs‘𝐴) · 0) = 0)
17		simpl 481	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → 𝐴 ∈ ℂ)
18		absrpcl 15277	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (abs‘𝐴) ∈ ℝ⁺)
19	8, 18	syldan 589	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (abs‘𝐴) ∈ ℝ⁺)
20	19	rpne0d 13063	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (abs‘𝐴) ≠ 0)
21	17, 15, 20	divcld 12030	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (𝐴 / (abs‘𝐴)) ∈ ℂ)
22	14, 21	immul2d 15217	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (ℑ‘((abs‘𝐴) · (𝐴 / (abs‘𝐴)))) = ((abs‘𝐴) · (ℑ‘(𝐴 / (abs‘𝐴)))))
23	17, 15, 20	divcan2d 12032	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → ((abs‘𝐴) · (𝐴 / (abs‘𝐴))) = 𝐴)
24	23	fveq2d 6906	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (ℑ‘((abs‘𝐴) · (𝐴 / (abs‘𝐴)))) = (ℑ‘𝐴))
25	22, 24	eqtr3d 2770	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → ((abs‘𝐴) · (ℑ‘(𝐴 / (abs‘𝐴)))) = (ℑ‘𝐴))
26	12, 16, 25	3brtr4d 5184	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → ((abs‘𝐴) · 0) < ((abs‘𝐴) · (ℑ‘(𝐴 / (abs‘𝐴)))))
27		0re 11256	. . . . . . . . 9 ⊢ 0 ∈ ℝ
28	27	a1i 11	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → 0 ∈ ℝ)
29	21	imcld 15184	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(𝐴 / (abs‘𝐴))) ∈ ℝ)
30	28, 29, 19	ltmul2d 13100	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (0 < (ℑ‘(𝐴 / (abs‘𝐴))) ↔ ((abs‘𝐴) · 0) < ((abs‘𝐴) · (ℑ‘(𝐴 / (abs‘𝐴))))))
31	26, 30	mpbird 256	. . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → 0 < (ℑ‘(𝐴 / (abs‘𝐴))))
32		efiarg 26569	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (exp‘(i · (ℑ‘(log‘𝐴)))) = (𝐴 / (abs‘𝐴)))
33	8, 32	syldan 589	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (exp‘(i · (ℑ‘(log‘𝐴)))) = (𝐴 / (abs‘𝐴)))
34	33	fveq2d 6906	. . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(exp‘(i · (ℑ‘(log‘𝐴))))) = (ℑ‘(𝐴 / (abs‘𝐴))))
35	31, 34	breqtrrd 5180	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → 0 < (ℑ‘(exp‘(i · (ℑ‘(log‘𝐴))))))
36		resinval 16121	. . . . . 6 ⊢ ((ℑ‘(log‘𝐴)) ∈ ℝ → (sin‘(ℑ‘(log‘𝐴))) = (ℑ‘(exp‘(i · (ℑ‘(log‘𝐴))))))
37	11, 36	syl 17	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (sin‘(ℑ‘(log‘𝐴))) = (ℑ‘(exp‘(i · (ℑ‘(log‘𝐴))))))
38	35, 37	breqtrrd 5180	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → 0 < (sin‘(ℑ‘(log‘𝐴))))
39	11	resincld 16129	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (sin‘(ℑ‘(log‘𝐴))) ∈ ℝ)
40	39	lt0neg2d 11824	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (0 < (sin‘(ℑ‘(log‘𝐴))) ↔ -(sin‘(ℑ‘(log‘𝐴))) < 0))
41	38, 40	mpbid 231	. . 3 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → -(sin‘(ℑ‘(log‘𝐴))) < 0)
42		pire 26421	. . . . . . . . . . 11 ⊢ π ∈ ℝ
43		readdcl 11231	. . . . . . . . . . 11 ⊢ (((ℑ‘(log‘𝐴)) ∈ ℝ ∧ π ∈ ℝ) → ((ℑ‘(log‘𝐴)) + π) ∈ ℝ)
44	11, 42, 43	sylancl 584	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → ((ℑ‘(log‘𝐴)) + π) ∈ ℝ)
45	44	adantr 479	. . . . . . . . 9 ⊢ (((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ 0) → ((ℑ‘(log‘𝐴)) + π) ∈ ℝ)
46		df-neg 11487	. . . . . . . . . . . 12 ⊢ -π = (0 − π)
47		logimcl 26531	. . . . . . . . . . . . . . 15 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (-π < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ π))
48	8, 47	syldan 589	. . . . . . . . . . . . . 14 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (-π < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ π))
49	48	simpld 493	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → -π < (ℑ‘(log‘𝐴)))
50	42	renegcli 11561	. . . . . . . . . . . . . 14 ⊢ -π ∈ ℝ
51		ltle 11342	. . . . . . . . . . . . . 14 ⊢ ((-π ∈ ℝ ∧ (ℑ‘(log‘𝐴)) ∈ ℝ) → (-π < (ℑ‘(log‘𝐴)) → -π ≤ (ℑ‘(log‘𝐴))))
52	50, 11, 51	sylancr 585	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (-π < (ℑ‘(log‘𝐴)) → -π ≤ (ℑ‘(log‘𝐴))))
53	49, 52	mpd 15	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → -π ≤ (ℑ‘(log‘𝐴)))
54	46, 53	eqbrtrrid 5188	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (0 − π) ≤ (ℑ‘(log‘𝐴)))
55	42	a1i 11	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → π ∈ ℝ)
56	28, 55, 11	lesubaddd 11851	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → ((0 − π) ≤ (ℑ‘(log‘𝐴)) ↔ 0 ≤ ((ℑ‘(log‘𝐴)) + π)))
57	54, 56	mpbid 231	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → 0 ≤ ((ℑ‘(log‘𝐴)) + π))
58	57	adantr 479	. . . . . . . . 9 ⊢ (((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ 0) → 0 ≤ ((ℑ‘(log‘𝐴)) + π))
59	11, 28, 55	leadd1d 11848	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → ((ℑ‘(log‘𝐴)) ≤ 0 ↔ ((ℑ‘(log‘𝐴)) + π) ≤ (0 + π)))
60	59	biimpa 475	. . . . . . . . . 10 ⊢ (((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ 0) → ((ℑ‘(log‘𝐴)) + π) ≤ (0 + π))
61		picn 26422	. . . . . . . . . . 11 ⊢ π ∈ ℂ
62	61	addlidi 11442	. . . . . . . . . 10 ⊢ (0 + π) = π
63	60, 62	breqtrdi 5193	. . . . . . . . 9 ⊢ (((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ 0) → ((ℑ‘(log‘𝐴)) + π) ≤ π)
64	27, 42	elicc2i 13432	. . . . . . . . 9 ⊢ (((ℑ‘(log‘𝐴)) + π) ∈ (0[,]π) ↔ (((ℑ‘(log‘𝐴)) + π) ∈ ℝ ∧ 0 ≤ ((ℑ‘(log‘𝐴)) + π) ∧ ((ℑ‘(log‘𝐴)) + π) ≤ π))
65	45, 58, 63, 64	syl3anbrc 1340	. . . . . . . 8 ⊢ (((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ 0) → ((ℑ‘(log‘𝐴)) + π) ∈ (0[,]π))
66		sinq12ge0 26471	. . . . . . . 8 ⊢ (((ℑ‘(log‘𝐴)) + π) ∈ (0[,]π) → 0 ≤ (sin‘((ℑ‘(log‘𝐴)) + π)))
67	65, 66	syl 17	. . . . . . 7 ⊢ (((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ 0) → 0 ≤ (sin‘((ℑ‘(log‘𝐴)) + π)))
68	11	recnd 11282	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(log‘𝐴)) ∈ ℂ)
69		sinppi 26452	. . . . . . . . 9 ⊢ ((ℑ‘(log‘𝐴)) ∈ ℂ → (sin‘((ℑ‘(log‘𝐴)) + π)) = -(sin‘(ℑ‘(log‘𝐴))))
70	68, 69	syl 17	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (sin‘((ℑ‘(log‘𝐴)) + π)) = -(sin‘(ℑ‘(log‘𝐴))))
71	70	adantr 479	. . . . . . 7 ⊢ (((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ 0) → (sin‘((ℑ‘(log‘𝐴)) + π)) = -(sin‘(ℑ‘(log‘𝐴))))
72	67, 71	breqtrd 5178	. . . . . 6 ⊢ (((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) ∧ (ℑ‘(log‘𝐴)) ≤ 0) → 0 ≤ -(sin‘(ℑ‘(log‘𝐴))))
73	72	ex 411	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → ((ℑ‘(log‘𝐴)) ≤ 0 → 0 ≤ -(sin‘(ℑ‘(log‘𝐴)))))
74	73	con3d 152	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (¬ 0 ≤ -(sin‘(ℑ‘(log‘𝐴))) → ¬ (ℑ‘(log‘𝐴)) ≤ 0))
75	39	renegcld 11681	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → -(sin‘(ℑ‘(log‘𝐴))) ∈ ℝ)
76		ltnle 11333	. . . . 5 ⊢ ((-(sin‘(ℑ‘(log‘𝐴))) ∈ ℝ ∧ 0 ∈ ℝ) → (-(sin‘(ℑ‘(log‘𝐴))) < 0 ↔ ¬ 0 ≤ -(sin‘(ℑ‘(log‘𝐴)))))
77	75, 27, 76	sylancl 584	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (-(sin‘(ℑ‘(log‘𝐴))) < 0 ↔ ¬ 0 ≤ -(sin‘(ℑ‘(log‘𝐴)))))
78		ltnle 11333	. . . . 5 ⊢ ((0 ∈ ℝ ∧ (ℑ‘(log‘𝐴)) ∈ ℝ) → (0 < (ℑ‘(log‘𝐴)) ↔ ¬ (ℑ‘(log‘𝐴)) ≤ 0))
79	27, 11, 78	sylancr 585	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (0 < (ℑ‘(log‘𝐴)) ↔ ¬ (ℑ‘(log‘𝐴)) ≤ 0))
80	74, 77, 79	3imtr4d 293	. . 3 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (-(sin‘(ℑ‘(log‘𝐴))) < 0 → 0 < (ℑ‘(log‘𝐴))))
81	41, 80	mpd 15	. 2 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → 0 < (ℑ‘(log‘𝐴)))
82	48	simprd 494	. . 3 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(log‘𝐴)) ≤ π)
83		rpre 13024	. . . . . . . . 9 ⊢ (-𝐴 ∈ ℝ⁺ → -𝐴 ∈ ℝ)
84	83	renegcld 11681	. . . . . . . 8 ⊢ (-𝐴 ∈ ℝ⁺ → --𝐴 ∈ ℝ)
85		negneg 11550	. . . . . . . . . 10 ⊢ (𝐴 ∈ ℂ → --𝐴 = 𝐴)
86	85	adantr 479	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → --𝐴 = 𝐴)
87	86	eleq1d 2814	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (--𝐴 ∈ ℝ ↔ 𝐴 ∈ ℝ))
88	84, 87	imbitrid 243	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (-𝐴 ∈ ℝ⁺ → 𝐴 ∈ ℝ))
89		lognegb 26552	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (-𝐴 ∈ ℝ⁺ ↔ (ℑ‘(log‘𝐴)) = π))
90	8, 89	syldan 589	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (-𝐴 ∈ ℝ⁺ ↔ (ℑ‘(log‘𝐴)) = π))
91		reim0b 15108	. . . . . . . 8 ⊢ (𝐴 ∈ ℂ → (𝐴 ∈ ℝ ↔ (ℑ‘𝐴) = 0))
92	91	adantr 479	. . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (𝐴 ∈ ℝ ↔ (ℑ‘𝐴) = 0))
93	88, 90, 92	3imtr3d 292	. . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → ((ℑ‘(log‘𝐴)) = π → (ℑ‘𝐴) = 0))
94	93	necon3d 2958	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → ((ℑ‘𝐴) ≠ 0 → (ℑ‘(log‘𝐴)) ≠ π))
95	3, 94	mpd 15	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(log‘𝐴)) ≠ π)
96	95	necomd 2993	. . 3 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → π ≠ (ℑ‘(log‘𝐴)))
97	11, 55, 82, 96	leneltd 11408	. 2 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(log‘𝐴)) < π)
98		0xr 11301	. . 3 ⊢ 0 ∈ ℝ^*
99	42	rexri 11312	. . 3 ⊢ π ∈ ℝ^*
100		elioo2 13407	. . 3 ⊢ ((0 ∈ ℝ^* ∧ π ∈ ℝ^*) → ((ℑ‘(log‘𝐴)) ∈ (0(,)π) ↔ ((ℑ‘(log‘𝐴)) ∈ ℝ ∧ 0 < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) < π)))
101	98, 99, 100	mp2an 690	. 2 ⊢ ((ℑ‘(log‘𝐴)) ∈ (0(,)π) ↔ ((ℑ‘(log‘𝐴)) ∈ ℝ ∧ 0 < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) < π))
102	11, 81, 97, 101	syl3anbrc 1340	1 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(log‘𝐴)) ∈ (0(,)π))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 394 ∧ w3a 1084 = wceq 1533 ∈ wcel 2098 ≠ wne 2937 class class class wbr 5152 ‘cfv 6553 (class class class)co 7426 ℂcc 11146 ℝcr 11147 0cc0 11148 ici 11150 + caddc 11151 · cmul 11153 ℝ^*cxr 11287 < clt 11288 ≤ cle 11289 − cmin 11484 -cneg 11485 / cdiv 11911 ℝ⁺crp 13016 (,)cioo 13366 [,]cicc 13369 ℑcim 15087 abscabs 15223 expce 16047 sincsin 16049 πcpi 16052 logclog 26516

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 2699 ax-rep 5289 ax-sep 5303 ax-nul 5310 ax-pow 5369 ax-pr 5433 ax-un 7748 ax-inf2 9674 ax-cnex 11204 ax-resscn 11205 ax-1cn 11206 ax-icn 11207 ax-addcl 11208 ax-addrcl 11209 ax-mulcl 11210 ax-mulrcl 11211 ax-mulcom 11212 ax-addass 11213 ax-mulass 11214 ax-distr 11215 ax-i2m1 11216 ax-1ne0 11217 ax-1rid 11218 ax-rnegex 11219 ax-rrecex 11220 ax-cnre 11221 ax-pre-lttri 11222 ax-pre-lttrn 11223 ax-pre-ltadd 11224 ax-pre-mulgt0 11225 ax-pre-sup 11226 ax-addf 11227

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 2529 df-eu 2558 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-rmo 3374 df-reu 3375 df-rab 3431 df-v 3475 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-pss 3968 df-nul 4327 df-if 4533 df-pw 4608 df-sn 4633 df-pr 4635 df-tp 4637 df-op 4639 df-uni 4913 df-int 4954 df-iun 5002 df-iin 5003 df-br 5153 df-opab 5215 df-mpt 5236 df-tr 5270 df-id 5580 df-eprel 5586 df-po 5594 df-so 5595 df-fr 5637 df-se 5638 df-we 5639 df-xp 5688 df-rel 5689 df-cnv 5690 df-co 5691 df-dm 5692 df-rn 5693 df-res 5694 df-ima 5695 df-pred 6310 df-ord 6377 df-on 6378 df-lim 6379 df-suc 6380 df-iota 6505 df-fun 6555 df-fn 6556 df-f 6557 df-f1 6558 df-fo 6559 df-f1o 6560 df-fv 6561 df-isom 6562 df-riota 7382 df-ov 7429 df-oprab 7430 df-mpo 7431 df-of 7692 df-om 7879 df-1st 8001 df-2nd 8002 df-supp 8174 df-frecs 8295 df-wrecs 8326 df-recs 8400 df-rdg 8439 df-1o 8495 df-2o 8496 df-er 8733 df-map 8855 df-pm 8856 df-ixp 8925 df-en 8973 df-dom 8974 df-sdom 8975 df-fin 8976 df-fsupp 9396 df-fi 9444 df-sup 9475 df-inf 9476 df-oi 9543 df-card 9972 df-pnf 11290 df-mnf 11291 df-xr 11292 df-ltxr 11293 df-le 11294 df-sub 11486 df-neg 11487 df-div 11912 df-nn 12253 df-2 12315 df-3 12316 df-4 12317 df-5 12318 df-6 12319 df-7 12320 df-8 12321 df-9 12322 df-n0 12513 df-z 12599 df-dec 12718 df-uz 12863 df-q 12973 df-rp 13017 df-xneg 13134 df-xadd 13135 df-xmul 13136 df-ioo 13370 df-ioc 13371 df-ico 13372 df-icc 13373 df-fz 13527 df-fzo 13670 df-fl 13799 df-mod 13877 df-seq 14009 df-exp 14069 df-fac 14275 df-bc 14304 df-hash 14332 df-shft 15056 df-cj 15088 df-re 15089 df-im 15090 df-sqrt 15224 df-abs 15225 df-limsup 15457 df-clim 15474 df-rlim 15475 df-sum 15675 df-ef 16053 df-sin 16055 df-cos 16056 df-pi 16058 df-struct 17125 df-sets 17142 df-slot 17160 df-ndx 17172 df-base 17190 df-ress 17219 df-plusg 17255 df-mulr 17256 df-starv 17257 df-sca 17258 df-vsca 17259 df-ip 17260 df-tset 17261 df-ple 17262 df-ds 17264 df-unif 17265 df-hom 17266 df-cco 17267 df-rest 17413 df-topn 17414 df-0g 17432 df-gsum 17433 df-topgen 17434 df-pt 17435 df-prds 17438 df-xrs 17493 df-qtop 17498 df-imas 17499 df-xps 17501 df-mre 17575 df-mrc 17576 df-acs 17578 df-mgm 18609 df-sgrp 18688 df-mnd 18704 df-submnd 18750 df-mulg 19038 df-cntz 19282 df-cmn 19751 df-psmet 21285 df-xmet 21286 df-met 21287 df-bl 21288 df-mopn 21289 df-fbas 21290 df-fg 21291 df-cnfld 21294 df-top 22824 df-topon 22841 df-topsp 22863 df-bases 22877 df-cld 22951 df-ntr 22952 df-cls 22953 df-nei 23030 df-lp 23068 df-perf 23069 df-cn 23159 df-cnp 23160 df-haus 23247 df-tx 23494 df-hmeo 23687 df-fil 23778 df-fm 23870 df-flim 23871 df-flf 23872 df-xms 24254 df-ms 24255 df-tms 24256 df-cncf 24826 df-limc 25823 df-dv 25824 df-log 26518

This theorem is referenced by: argimlt0 26575 logneg2 26577 logcnlem3 26606 atanlogaddlem 26873

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