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Theorem logcnlem3 25905

Description: Lemma for logcn 25908. (Contributed by Mario Carneiro, 25-Feb-2015.)

**Hypotheses**
Ref	Expression
logcn.d	⊢ 𝐷 = (ℂ ∖ (-∞(,]0))
logcnlem.s	⊢ 𝑆 = if(𝐴 ∈ ℝ⁺, 𝐴, (abs‘(ℑ‘𝐴)))
logcnlem.t	⊢ 𝑇 = ((abs‘𝐴) · (𝑅 / (1 + 𝑅)))
logcnlem.a	⊢ (𝜑 → 𝐴 ∈ 𝐷)
logcnlem.r	⊢ (𝜑 → 𝑅 ∈ ℝ⁺)
logcnlem.b	⊢ (𝜑 → 𝐵 ∈ 𝐷)
logcnlem.l	⊢ (𝜑 → (abs‘(𝐴 − 𝐵)) < if(𝑆 ≤ 𝑇, 𝑆, 𝑇))

**Assertion**
Ref	Expression
logcnlem3	⊢ (𝜑 → (-π < ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) ∧ ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) ≤ π))

**Proof of Theorem logcnlem3**
Step	Hyp	Ref	Expression
1		pire 25721	. . . . . 6 ⊢ π ∈ ℝ
2	1	renegcli 11383	. . . . 5 ⊢ -π ∈ ℝ
3	2	a1i 11	. . . 4 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → -π ∈ ℝ)
4		logcnlem.b	. . . . . . . 8 ⊢ (𝜑 → 𝐵 ∈ 𝐷)
5		logcn.d	. . . . . . . . . 10 ⊢ 𝐷 = (ℂ ∖ (-∞(,]0))
6	5	ellogdm 25900	. . . . . . . . 9 ⊢ (𝐵 ∈ 𝐷 ↔ (𝐵 ∈ ℂ ∧ (𝐵 ∈ ℝ → 𝐵 ∈ ℝ⁺)))
7	6	simplbi 498	. . . . . . . 8 ⊢ (𝐵 ∈ 𝐷 → 𝐵 ∈ ℂ)
8	4, 7	syl 17	. . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ ℂ)
9	5	logdmn0 25901	. . . . . . . 8 ⊢ (𝐵 ∈ 𝐷 → 𝐵 ≠ 0)
10	4, 9	syl 17	. . . . . . 7 ⊢ (𝜑 → 𝐵 ≠ 0)
11	8, 10	logcld 25832	. . . . . 6 ⊢ (𝜑 → (log‘𝐵) ∈ ℂ)
12	11	imcld 15005	. . . . 5 ⊢ (𝜑 → (ℑ‘(log‘𝐵)) ∈ ℝ)
13	12	adantr 481	. . . 4 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘(log‘𝐵)) ∈ ℝ)
14		logcnlem.a	. . . . . . . . 9 ⊢ (𝜑 → 𝐴 ∈ 𝐷)
15	5	ellogdm 25900	. . . . . . . . . 10 ⊢ (𝐴 ∈ 𝐷 ↔ (𝐴 ∈ ℂ ∧ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ⁺)))
16	15	simplbi 498	. . . . . . . . 9 ⊢ (𝐴 ∈ 𝐷 → 𝐴 ∈ ℂ)
17	14, 16	syl 17	. . . . . . . 8 ⊢ (𝜑 → 𝐴 ∈ ℂ)
18	5	logdmn0 25901	. . . . . . . . 9 ⊢ (𝐴 ∈ 𝐷 → 𝐴 ≠ 0)
19	14, 18	syl 17	. . . . . . . 8 ⊢ (𝜑 → 𝐴 ≠ 0)
20	17, 19	logcld 25832	. . . . . . 7 ⊢ (𝜑 → (log‘𝐴) ∈ ℂ)
21	20	imcld 15005	. . . . . 6 ⊢ (𝜑 → (ℑ‘(log‘𝐴)) ∈ ℝ)
22	12, 21	resubcld 11504	. . . . 5 ⊢ (𝜑 → ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) ∈ ℝ)
23	22	adantr 481	. . . 4 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) ∈ ℝ)
24	8, 10	logimcld 25833	. . . . . 6 ⊢ (𝜑 → (-π < (ℑ‘(log‘𝐵)) ∧ (ℑ‘(log‘𝐵)) ≤ π))
25	24	simpld 495	. . . . 5 ⊢ (𝜑 → -π < (ℑ‘(log‘𝐵)))
26	25	adantr 481	. . . 4 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → -π < (ℑ‘(log‘𝐵)))
27	12	recnd 11104	. . . . . . 7 ⊢ (𝜑 → (ℑ‘(log‘𝐵)) ∈ ℂ)
28	27	adantr 481	. . . . . 6 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘(log‘𝐵)) ∈ ℂ)
29	28	subid1d 11422	. . . . 5 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → ((ℑ‘(log‘𝐵)) − 0) = (ℑ‘(log‘𝐵)))
30	21	adantr 481	. . . . . 6 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘(log‘𝐴)) ∈ ℝ)
31		0red 11079	. . . . . 6 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → 0 ∈ ℝ)
32		argimlt0 25874	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ (ℑ‘𝐴) < 0) → (ℑ‘(log‘𝐴)) ∈ (-π(,)0))
33	17, 32	sylan 580	. . . . . . . 8 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘(log‘𝐴)) ∈ (-π(,)0))
34		eliooord 13239	. . . . . . . 8 ⊢ ((ℑ‘(log‘𝐴)) ∈ (-π(,)0) → (-π < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) < 0))
35	33, 34	syl 17	. . . . . . 7 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (-π < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) < 0))
36	35	simprd 496	. . . . . 6 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘(log‘𝐴)) < 0)
37	30, 31, 13, 36	ltsub2dd 11689	. . . . 5 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → ((ℑ‘(log‘𝐵)) − 0) < ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))))
38	29, 37	eqbrtrrd 5116	. . . 4 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘(log‘𝐵)) < ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))))
39	3, 13, 23, 26, 38	lttrd 11237	. . 3 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → -π < ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))))
40	25	adantr 481	. . . 4 ⊢ ((𝜑 ∧ (ℑ‘𝐴) = 0) → -π < (ℑ‘(log‘𝐵)))
41		reim0b 14929	. . . . . . . . . . 11 ⊢ (𝐴 ∈ ℂ → (𝐴 ∈ ℝ ↔ (ℑ‘𝐴) = 0))
42	17, 41	syl 17	. . . . . . . . . 10 ⊢ (𝜑 → (𝐴 ∈ ℝ ↔ (ℑ‘𝐴) = 0))
43	15	simprbi 497	. . . . . . . . . . 11 ⊢ (𝐴 ∈ 𝐷 → (𝐴 ∈ ℝ → 𝐴 ∈ ℝ⁺))
44	14, 43	syl 17	. . . . . . . . . 10 ⊢ (𝜑 → (𝐴 ∈ ℝ → 𝐴 ∈ ℝ⁺))
45	42, 44	sylbird 259	. . . . . . . . 9 ⊢ (𝜑 → ((ℑ‘𝐴) = 0 → 𝐴 ∈ ℝ⁺))
46	45	imp 407	. . . . . . . 8 ⊢ ((𝜑 ∧ (ℑ‘𝐴) = 0) → 𝐴 ∈ ℝ⁺)
47	46	relogcld 25884	. . . . . . 7 ⊢ ((𝜑 ∧ (ℑ‘𝐴) = 0) → (log‘𝐴) ∈ ℝ)
48	47	reim0d 15035	. . . . . 6 ⊢ ((𝜑 ∧ (ℑ‘𝐴) = 0) → (ℑ‘(log‘𝐴)) = 0)
49	48	oveq2d 7353	. . . . 5 ⊢ ((𝜑 ∧ (ℑ‘𝐴) = 0) → ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) = ((ℑ‘(log‘𝐵)) − 0))
50	27	subid1d 11422	. . . . . 6 ⊢ (𝜑 → ((ℑ‘(log‘𝐵)) − 0) = (ℑ‘(log‘𝐵)))
51	50	adantr 481	. . . . 5 ⊢ ((𝜑 ∧ (ℑ‘𝐴) = 0) → ((ℑ‘(log‘𝐵)) − 0) = (ℑ‘(log‘𝐵)))
52	49, 51	eqtrd 2776	. . . 4 ⊢ ((𝜑 ∧ (ℑ‘𝐴) = 0) → ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) = (ℑ‘(log‘𝐵)))
53	40, 52	breqtrrd 5120	. . 3 ⊢ ((𝜑 ∧ (ℑ‘𝐴) = 0) → -π < ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))))
54	2	a1i 11	. . . 4 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → -π ∈ ℝ)
55	21	renegcld 11503	. . . . 5 ⊢ (𝜑 → -(ℑ‘(log‘𝐴)) ∈ ℝ)
56	55	adantr 481	. . . 4 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → -(ℑ‘(log‘𝐴)) ∈ ℝ)
57	22	adantr 481	. . . 4 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) ∈ ℝ)
58		argimgt0 25873	. . . . . . . 8 ⊢ ((𝐴 ∈ ℂ ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(log‘𝐴)) ∈ (0(,)π))
59	17, 58	sylan 580	. . . . . . 7 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(log‘𝐴)) ∈ (0(,)π))
60		eliooord 13239	. . . . . . 7 ⊢ ((ℑ‘(log‘𝐴)) ∈ (0(,)π) → (0 < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) < π))
61	59, 60	syl 17	. . . . . 6 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (0 < (ℑ‘(log‘𝐴)) ∧ (ℑ‘(log‘𝐴)) < π))
62	61	simprd 496	. . . . 5 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(log‘𝐴)) < π)
63		ltneg 11576	. . . . . . 7 ⊢ (((ℑ‘(log‘𝐴)) ∈ ℝ ∧ π ∈ ℝ) → ((ℑ‘(log‘𝐴)) < π ↔ -π < -(ℑ‘(log‘𝐴))))
64	21, 1, 63	sylancl 586	. . . . . 6 ⊢ (𝜑 → ((ℑ‘(log‘𝐴)) < π ↔ -π < -(ℑ‘(log‘𝐴))))
65	64	adantr 481	. . . . 5 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → ((ℑ‘(log‘𝐴)) < π ↔ -π < -(ℑ‘(log‘𝐴))))
66	62, 65	mpbid 231	. . . 4 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → -π < -(ℑ‘(log‘𝐴)))
67		df-neg 11309	. . . . 5 ⊢ -(ℑ‘(log‘𝐴)) = (0 − (ℑ‘(log‘𝐴)))
68	8	adantr 481	. . . . . . . . 9 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → 𝐵 ∈ ℂ)
69	17, 8	imsubd 15027	. . . . . . . . . . . . 13 ⊢ (𝜑 → (ℑ‘(𝐴 − 𝐵)) = ((ℑ‘𝐴) − (ℑ‘𝐵)))
70	69	adantr 481	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(𝐴 − 𝐵)) = ((ℑ‘𝐴) − (ℑ‘𝐵)))
71	17, 8	subcld 11433	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (𝐴 − 𝐵) ∈ ℂ)
72	71	imcld 15005	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (ℑ‘(𝐴 − 𝐵)) ∈ ℝ)
73	72	adantr 481	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(𝐴 − 𝐵)) ∈ ℝ)
74	71	abscld 15247	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (abs‘(𝐴 − 𝐵)) ∈ ℝ)
75	74	adantr 481	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (abs‘(𝐴 − 𝐵)) ∈ ℝ)
76	17	adantr 481	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → 𝐴 ∈ ℂ)
77	76	imcld 15005	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (ℑ‘𝐴) ∈ ℝ)
78		absimle 15120	. . . . . . . . . . . . . . . . 17 ⊢ ((𝐴 − 𝐵) ∈ ℂ → (abs‘(ℑ‘(𝐴 − 𝐵))) ≤ (abs‘(𝐴 − 𝐵)))
79	71, 78	syl 17	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (abs‘(ℑ‘(𝐴 − 𝐵))) ≤ (abs‘(𝐴 − 𝐵)))
80	72, 74	absled 15241	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → ((abs‘(ℑ‘(𝐴 − 𝐵))) ≤ (abs‘(𝐴 − 𝐵)) ↔ (-(abs‘(𝐴 − 𝐵)) ≤ (ℑ‘(𝐴 − 𝐵)) ∧ (ℑ‘(𝐴 − 𝐵)) ≤ (abs‘(𝐴 − 𝐵)))))
81	79, 80	mpbid 231	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (-(abs‘(𝐴 − 𝐵)) ≤ (ℑ‘(𝐴 − 𝐵)) ∧ (ℑ‘(𝐴 − 𝐵)) ≤ (abs‘(𝐴 − 𝐵))))
82	81	simprd 496	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (ℑ‘(𝐴 − 𝐵)) ≤ (abs‘(𝐴 − 𝐵)))
83	82	adantr 481	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(𝐴 − 𝐵)) ≤ (abs‘(𝐴 − 𝐵)))
84		logcnlem.s	. . . . . . . . . . . . . . . . . 18 ⊢ 𝑆 = if(𝐴 ∈ ℝ⁺, 𝐴, (abs‘(ℑ‘𝐴)))
85		rpre 12839	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝐴 ∈ ℝ⁺ → 𝐴 ∈ ℝ)
86	85	adantl 482	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝐴 ∈ ℝ⁺) → 𝐴 ∈ ℝ)
87	17	imcld 15005	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝜑 → (ℑ‘𝐴) ∈ ℝ)
88	87	recnd 11104	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝜑 → (ℑ‘𝐴) ∈ ℂ)
89	88	abscld 15247	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝜑 → (abs‘(ℑ‘𝐴)) ∈ ℝ)
90	89	adantr 481	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ ¬ 𝐴 ∈ ℝ⁺) → (abs‘(ℑ‘𝐴)) ∈ ℝ)
91	86, 90	ifclda 4508	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → if(𝐴 ∈ ℝ⁺, 𝐴, (abs‘(ℑ‘𝐴))) ∈ ℝ)
92	84, 91	eqeltrid 2841	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 𝑆 ∈ ℝ)
93		logcnlem.t	. . . . . . . . . . . . . . . . . 18 ⊢ 𝑇 = ((abs‘𝐴) · (𝑅 / (1 + 𝑅)))
94	17	abscld 15247	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → (abs‘𝐴) ∈ ℝ)
95		logcnlem.r	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝜑 → 𝑅 ∈ ℝ⁺)
96	95	rpred 12873	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝜑 → 𝑅 ∈ ℝ)
97		1rp 12835	. . . . . . . . . . . . . . . . . . . . 21 ⊢ 1 ∈ ℝ⁺
98		rpaddcl 12853	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((1 ∈ ℝ⁺ ∧ 𝑅 ∈ ℝ⁺) → (1 + 𝑅) ∈ ℝ⁺)
99	97, 95, 98	sylancr 587	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝜑 → (1 + 𝑅) ∈ ℝ⁺)
100	96, 99	rerpdivcld 12904	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → (𝑅 / (1 + 𝑅)) ∈ ℝ)
101	94, 100	remulcld 11106	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → ((abs‘𝐴) · (𝑅 / (1 + 𝑅))) ∈ ℝ)
102	93, 101	eqeltrid 2841	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 𝑇 ∈ ℝ)
103	92, 102	ifcld 4519	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → if(𝑆 ≤ 𝑇, 𝑆, 𝑇) ∈ ℝ)
104		logcnlem.l	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (abs‘(𝐴 − 𝐵)) < if(𝑆 ≤ 𝑇, 𝑆, 𝑇))
105		min1 13024	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑆 ∈ ℝ ∧ 𝑇 ∈ ℝ) → if(𝑆 ≤ 𝑇, 𝑆, 𝑇) ≤ 𝑆)
106	92, 102, 105	syl2anc 584	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → if(𝑆 ≤ 𝑇, 𝑆, 𝑇) ≤ 𝑆)
107	74, 103, 92, 104, 106	ltletrd 11236	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (abs‘(𝐴 − 𝐵)) < 𝑆)
108	107	adantr 481	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (abs‘(𝐴 − 𝐵)) < 𝑆)
109		gt0ne0 11541	. . . . . . . . . . . . . . . . 17 ⊢ (((ℑ‘𝐴) ∈ ℝ ∧ 0 < (ℑ‘𝐴)) → (ℑ‘𝐴) ≠ 0)
110	87, 109	sylan 580	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (ℑ‘𝐴) ≠ 0)
111	85, 42	syl5ib 243	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → (𝐴 ∈ ℝ⁺ → (ℑ‘𝐴) = 0))
112	111	necon3ad 2953	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → ((ℑ‘𝐴) ≠ 0 → ¬ 𝐴 ∈ ℝ⁺))
113	112	imp 407	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ (ℑ‘𝐴) ≠ 0) → ¬ 𝐴 ∈ ℝ⁺)
114		iffalse 4482	. . . . . . . . . . . . . . . . . 18 ⊢ (¬ 𝐴 ∈ ℝ⁺ → if(𝐴 ∈ ℝ⁺, 𝐴, (abs‘(ℑ‘𝐴))) = (abs‘(ℑ‘𝐴)))
115	84, 114	eqtrid 2788	. . . . . . . . . . . . . . . . 17 ⊢ (¬ 𝐴 ∈ ℝ⁺ → 𝑆 = (abs‘(ℑ‘𝐴)))
116	113, 115	syl 17	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ (ℑ‘𝐴) ≠ 0) → 𝑆 = (abs‘(ℑ‘𝐴)))
117	110, 116	syldan 591	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → 𝑆 = (abs‘(ℑ‘𝐴)))
118		0re 11078	. . . . . . . . . . . . . . . . . 18 ⊢ 0 ∈ ℝ
119		ltle 11164	. . . . . . . . . . . . . . . . . 18 ⊢ ((0 ∈ ℝ ∧ (ℑ‘𝐴) ∈ ℝ) → (0 < (ℑ‘𝐴) → 0 ≤ (ℑ‘𝐴)))
120	118, 87, 119	sylancr 587	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (0 < (ℑ‘𝐴) → 0 ≤ (ℑ‘𝐴)))
121	120	imp 407	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → 0 ≤ (ℑ‘𝐴))
122	77, 121	absidd 15233	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (abs‘(ℑ‘𝐴)) = (ℑ‘𝐴))
123	117, 122	eqtrd 2776	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → 𝑆 = (ℑ‘𝐴))
124	108, 123	breqtrd 5118	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (abs‘(𝐴 − 𝐵)) < (ℑ‘𝐴))
125	73, 75, 77, 83, 124	lelttrd 11234	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(𝐴 − 𝐵)) < (ℑ‘𝐴))
126	70, 125	eqbrtrrd 5116	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → ((ℑ‘𝐴) − (ℑ‘𝐵)) < (ℑ‘𝐴))
127	88	adantr 481	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (ℑ‘𝐴) ∈ ℂ)
128	127	subid1d 11422	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → ((ℑ‘𝐴) − 0) = (ℑ‘𝐴))
129	126, 128	breqtrrd 5120	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → ((ℑ‘𝐴) − (ℑ‘𝐵)) < ((ℑ‘𝐴) − 0))
130		0red 11079	. . . . . . . . . . . 12 ⊢ (𝜑 → 0 ∈ ℝ)
131	8	imcld 15005	. . . . . . . . . . . 12 ⊢ (𝜑 → (ℑ‘𝐵) ∈ ℝ)
132	130, 131, 87	ltsub2d 11686	. . . . . . . . . . 11 ⊢ (𝜑 → (0 < (ℑ‘𝐵) ↔ ((ℑ‘𝐴) − (ℑ‘𝐵)) < ((ℑ‘𝐴) − 0)))
133	132	adantr 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (0 < (ℑ‘𝐵) ↔ ((ℑ‘𝐴) − (ℑ‘𝐵)) < ((ℑ‘𝐴) − 0)))
134	129, 133	mpbird 256	. . . . . . . . 9 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → 0 < (ℑ‘𝐵))
135		argimgt0 25873	. . . . . . . . 9 ⊢ ((𝐵 ∈ ℂ ∧ 0 < (ℑ‘𝐵)) → (ℑ‘(log‘𝐵)) ∈ (0(,)π))
136	68, 134, 135	syl2anc 584	. . . . . . . 8 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(log‘𝐵)) ∈ (0(,)π))
137		eliooord 13239	. . . . . . . 8 ⊢ ((ℑ‘(log‘𝐵)) ∈ (0(,)π) → (0 < (ℑ‘(log‘𝐵)) ∧ (ℑ‘(log‘𝐵)) < π))
138	136, 137	syl 17	. . . . . . 7 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (0 < (ℑ‘(log‘𝐵)) ∧ (ℑ‘(log‘𝐵)) < π))
139	138	simpld 495	. . . . . 6 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → 0 < (ℑ‘(log‘𝐵)))
140	130, 12, 21	ltsub1d 11685	. . . . . . 7 ⊢ (𝜑 → (0 < (ℑ‘(log‘𝐵)) ↔ (0 − (ℑ‘(log‘𝐴))) < ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴)))))
141	140	adantr 481	. . . . . 6 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (0 < (ℑ‘(log‘𝐵)) ↔ (0 − (ℑ‘(log‘𝐴))) < ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴)))))
142	139, 141	mpbid 231	. . . . 5 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (0 − (ℑ‘(log‘𝐴))) < ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))))
143	67, 142	eqbrtrid 5127	. . . 4 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → -(ℑ‘(log‘𝐴)) < ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))))
144	54, 56, 57, 66, 143	lttrd 11237	. . 3 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → -π < ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))))
145		lttri4 11160	. . . 4 ⊢ (((ℑ‘𝐴) ∈ ℝ ∧ 0 ∈ ℝ) → ((ℑ‘𝐴) < 0 ∨ (ℑ‘𝐴) = 0 ∨ 0 < (ℑ‘𝐴)))
146	87, 118, 145	sylancl 586	. . 3 ⊢ (𝜑 → ((ℑ‘𝐴) < 0 ∨ (ℑ‘𝐴) = 0 ∨ 0 < (ℑ‘𝐴)))
147	39, 53, 144, 146	mpjao3dan 1430	. 2 ⊢ (𝜑 → -π < ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))))
148	1	a1i 11	. . . 4 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → π ∈ ℝ)
149	30	renegcld 11503	. . . . 5 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → -(ℑ‘(log‘𝐴)) ∈ ℝ)
150	8	adantr 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → 𝐵 ∈ ℂ)
151	88	adantr 481	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘𝐴) ∈ ℂ)
152	151	subid1d 11422	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → ((ℑ‘𝐴) − 0) = (ℑ‘𝐴))
153	87	adantr 481	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘𝐴) ∈ ℝ)
154	74	renegcld 11503	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → -(abs‘(𝐴 − 𝐵)) ∈ ℝ)
155	154	adantr 481	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → -(abs‘(𝐴 − 𝐵)) ∈ ℝ)
156	72	adantr 481	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘(𝐴 − 𝐵)) ∈ ℝ)
157	74	adantr 481	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (abs‘(𝐴 − 𝐵)) ∈ ℝ)
158	107	adantr 481	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (abs‘(𝐴 − 𝐵)) < 𝑆)
159	118	ltnri 11185	. . . . . . . . . . . . . . . . . . . 20 ⊢ ¬ 0 < 0
160		breq1 5095	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((ℑ‘𝐴) = 0 → ((ℑ‘𝐴) < 0 ↔ 0 < 0))
161	159, 160	mtbiri 326	. . . . . . . . . . . . . . . . . . 19 ⊢ ((ℑ‘𝐴) = 0 → ¬ (ℑ‘𝐴) < 0)
162	161	necon2ai 2970	. . . . . . . . . . . . . . . . . 18 ⊢ ((ℑ‘𝐴) < 0 → (ℑ‘𝐴) ≠ 0)
163	162, 116	sylan2 593	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → 𝑆 = (abs‘(ℑ‘𝐴)))
164		ltle 11164	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((ℑ‘𝐴) ∈ ℝ ∧ 0 ∈ ℝ) → ((ℑ‘𝐴) < 0 → (ℑ‘𝐴) ≤ 0))
165	87, 118, 164	sylancl 586	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → ((ℑ‘𝐴) < 0 → (ℑ‘𝐴) ≤ 0))
166	165	imp 407	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘𝐴) ≤ 0)
167	153, 166	absnidd 15224	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (abs‘(ℑ‘𝐴)) = -(ℑ‘𝐴))
168	163, 167	eqtrd 2776	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → 𝑆 = -(ℑ‘𝐴))
169	158, 168	breqtrd 5118	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (abs‘(𝐴 − 𝐵)) < -(ℑ‘𝐴))
170	157, 153, 169	ltnegcon2d 11657	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘𝐴) < -(abs‘(𝐴 − 𝐵)))
171	81	simpld 495	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → -(abs‘(𝐴 − 𝐵)) ≤ (ℑ‘(𝐴 − 𝐵)))
172	171	adantr 481	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → -(abs‘(𝐴 − 𝐵)) ≤ (ℑ‘(𝐴 − 𝐵)))
173	153, 155, 156, 170, 172	ltletrd 11236	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘𝐴) < (ℑ‘(𝐴 − 𝐵)))
174	69	adantr 481	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘(𝐴 − 𝐵)) = ((ℑ‘𝐴) − (ℑ‘𝐵)))
175	173, 174	breqtrd 5118	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘𝐴) < ((ℑ‘𝐴) − (ℑ‘𝐵)))
176	152, 175	eqbrtrd 5114	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → ((ℑ‘𝐴) − 0) < ((ℑ‘𝐴) − (ℑ‘𝐵)))
177	150	imcld 15005	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘𝐵) ∈ ℝ)
178	177, 31, 153	ltsub2d 11686	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → ((ℑ‘𝐵) < 0 ↔ ((ℑ‘𝐴) − 0) < ((ℑ‘𝐴) − (ℑ‘𝐵))))
179	176, 178	mpbird 256	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘𝐵) < 0)
180		argimlt0 25874	. . . . . . . . . 10 ⊢ ((𝐵 ∈ ℂ ∧ (ℑ‘𝐵) < 0) → (ℑ‘(log‘𝐵)) ∈ (-π(,)0))
181	150, 179, 180	syl2anc 584	. . . . . . . . 9 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘(log‘𝐵)) ∈ (-π(,)0))
182		eliooord 13239	. . . . . . . . 9 ⊢ ((ℑ‘(log‘𝐵)) ∈ (-π(,)0) → (-π < (ℑ‘(log‘𝐵)) ∧ (ℑ‘(log‘𝐵)) < 0))
183	181, 182	syl 17	. . . . . . . 8 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (-π < (ℑ‘(log‘𝐵)) ∧ (ℑ‘(log‘𝐵)) < 0))
184	183	simprd 496	. . . . . . 7 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (ℑ‘(log‘𝐵)) < 0)
185	13, 31, 30, 184	ltsub1dd 11688	. . . . . 6 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) < (0 − (ℑ‘(log‘𝐴))))
186	185, 67	breqtrrdi 5134	. . . . 5 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) < -(ℑ‘(log‘𝐴)))
187	35	simpld 495	. . . . . 6 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → -π < (ℑ‘(log‘𝐴)))
188		ltnegcon1 11577	. . . . . . 7 ⊢ ((π ∈ ℝ ∧ (ℑ‘(log‘𝐴)) ∈ ℝ) → (-π < (ℑ‘(log‘𝐴)) ↔ -(ℑ‘(log‘𝐴)) < π))
189	1, 30, 188	sylancr 587	. . . . . 6 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → (-π < (ℑ‘(log‘𝐴)) ↔ -(ℑ‘(log‘𝐴)) < π))
190	187, 189	mpbid 231	. . . . 5 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → -(ℑ‘(log‘𝐴)) < π)
191	23, 149, 148, 186, 190	lttrd 11237	. . . 4 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) < π)
192	23, 148, 191	ltled 11224	. . 3 ⊢ ((𝜑 ∧ (ℑ‘𝐴) < 0) → ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) ≤ π)
193	24	simprd 496	. . . . 5 ⊢ (𝜑 → (ℑ‘(log‘𝐵)) ≤ π)
194	193	adantr 481	. . . 4 ⊢ ((𝜑 ∧ (ℑ‘𝐴) = 0) → (ℑ‘(log‘𝐵)) ≤ π)
195	52, 194	eqbrtrd 5114	. . 3 ⊢ ((𝜑 ∧ (ℑ‘𝐴) = 0) → ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) ≤ π)
196	1	a1i 11	. . . 4 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → π ∈ ℝ)
197	12	adantr 481	. . . . 5 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(log‘𝐵)) ∈ ℝ)
198		0red 11079	. . . . . . 7 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → 0 ∈ ℝ)
199	21	adantr 481	. . . . . . 7 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(log‘𝐴)) ∈ ℝ)
200	61	simpld 495	. . . . . . 7 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → 0 < (ℑ‘(log‘𝐴)))
201	198, 199, 197, 200	ltsub2dd 11689	. . . . . 6 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) < ((ℑ‘(log‘𝐵)) − 0))
202	27	adantr 481	. . . . . . 7 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(log‘𝐵)) ∈ ℂ)
203	202	subid1d 11422	. . . . . 6 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → ((ℑ‘(log‘𝐵)) − 0) = (ℑ‘(log‘𝐵)))
204	201, 203	breqtrd 5118	. . . . 5 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) < (ℑ‘(log‘𝐵)))
205	138	simprd 496	. . . . 5 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → (ℑ‘(log‘𝐵)) < π)
206	57, 197, 196, 204, 205	lttrd 11237	. . . 4 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) < π)
207	57, 196, 206	ltled 11224	. . 3 ⊢ ((𝜑 ∧ 0 < (ℑ‘𝐴)) → ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) ≤ π)
208	192, 195, 207, 146	mpjao3dan 1430	. 2 ⊢ (𝜑 → ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) ≤ π)
209	147, 208	jca 512	1 ⊢ (𝜑 → (-π < ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) ∧ ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) ≤ π))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 396 ∨ w3o 1085 = wceq 1540 ∈ wcel 2105 ≠ wne 2940 ∖ cdif 3895 ifcif 4473 class class class wbr 5092 ‘cfv 6479 (class class class)co 7337 ℂcc 10970 ℝcr 10971 0cc0 10972 1c1 10973 + caddc 10975 · cmul 10977 -∞cmnf 11108 < clt 11110 ≤ cle 11111 − cmin 11306 -cneg 11307 / cdiv 11733 ℝ⁺crp 12831 (,)cioo 13180 (,]cioc 13181 ℑcim 14908 abscabs 15044 πcpi 15875 logclog 25816

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2707 ax-rep 5229 ax-sep 5243 ax-nul 5250 ax-pow 5308 ax-pr 5372 ax-un 7650 ax-inf2 9498 ax-cnex 11028 ax-resscn 11029 ax-1cn 11030 ax-icn 11031 ax-addcl 11032 ax-addrcl 11033 ax-mulcl 11034 ax-mulrcl 11035 ax-mulcom 11036 ax-addass 11037 ax-mulass 11038 ax-distr 11039 ax-i2m1 11040 ax-1ne0 11041 ax-1rid 11042 ax-rnegex 11043 ax-rrecex 11044 ax-cnre 11045 ax-pre-lttri 11046 ax-pre-lttrn 11047 ax-pre-ltadd 11048 ax-pre-mulgt0 11049 ax-pre-sup 11050 ax-addf 11051 ax-mulf 11052

This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3349 df-reu 3350 df-rab 3404 df-v 3443 df-sbc 3728 df-csb 3844 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3917 df-nul 4270 df-if 4474 df-pw 4549 df-sn 4574 df-pr 4576 df-tp 4578 df-op 4580 df-uni 4853 df-int 4895 df-iun 4943 df-iin 4944 df-br 5093 df-opab 5155 df-mpt 5176 df-tr 5210 df-id 5518 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5575 df-se 5576 df-we 5577 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-ima 5633 df-pred 6238 df-ord 6305 df-on 6306 df-lim 6307 df-suc 6308 df-iota 6431 df-fun 6481 df-fn 6482 df-f 6483 df-f1 6484 df-fo 6485 df-f1o 6486 df-fv 6487 df-isom 6488 df-riota 7293 df-ov 7340 df-oprab 7341 df-mpo 7342 df-of 7595 df-om 7781 df-1st 7899 df-2nd 7900 df-supp 8048 df-frecs 8167 df-wrecs 8198 df-recs 8272 df-rdg 8311 df-1o 8367 df-2o 8368 df-er 8569 df-map 8688 df-pm 8689 df-ixp 8757 df-en 8805 df-dom 8806 df-sdom 8807 df-fin 8808 df-fsupp 9227 df-fi 9268 df-sup 9299 df-inf 9300 df-oi 9367 df-card 9796 df-pnf 11112 df-mnf 11113 df-xr 11114 df-ltxr 11115 df-le 11116 df-sub 11308 df-neg 11309 df-div 11734 df-nn 12075 df-2 12137 df-3 12138 df-4 12139 df-5 12140 df-6 12141 df-7 12142 df-8 12143 df-9 12144 df-n0 12335 df-z 12421 df-dec 12539 df-uz 12684 df-q 12790 df-rp 12832 df-xneg 12949 df-xadd 12950 df-xmul 12951 df-ioo 13184 df-ioc 13185 df-ico 13186 df-icc 13187 df-fz 13341 df-fzo 13484 df-fl 13613 df-mod 13691 df-seq 13823 df-exp 13884 df-fac 14089 df-bc 14118 df-hash 14146 df-shft 14877 df-cj 14909 df-re 14910 df-im 14911 df-sqrt 15045 df-abs 15046 df-limsup 15279 df-clim 15296 df-rlim 15297 df-sum 15497 df-ef 15876 df-sin 15878 df-cos 15879 df-pi 15881 df-struct 16945 df-sets 16962 df-slot 16980 df-ndx 16992 df-base 17010 df-ress 17039 df-plusg 17072 df-mulr 17073 df-starv 17074 df-sca 17075 df-vsca 17076 df-ip 17077 df-tset 17078 df-ple 17079 df-ds 17081 df-unif 17082 df-hom 17083 df-cco 17084 df-rest 17230 df-topn 17231 df-0g 17249 df-gsum 17250 df-topgen 17251 df-pt 17252 df-prds 17255 df-xrs 17310 df-qtop 17315 df-imas 17316 df-xps 17318 df-mre 17392 df-mrc 17393 df-acs 17395 df-mgm 18423 df-sgrp 18472 df-mnd 18483 df-submnd 18528 df-mulg 18797 df-cntz 19019 df-cmn 19483 df-psmet 20695 df-xmet 20696 df-met 20697 df-bl 20698 df-mopn 20699 df-fbas 20700 df-fg 20701 df-cnfld 20704 df-top 22149 df-topon 22166 df-topsp 22188 df-bases 22202 df-cld 22276 df-ntr 22277 df-cls 22278 df-nei 22355 df-lp 22393 df-perf 22394 df-cn 22484 df-cnp 22485 df-haus 22572 df-tx 22819 df-hmeo 23012 df-fil 23103 df-fm 23195 df-flim 23196 df-flf 23197 df-xms 23579 df-ms 23580 df-tms 23581 df-cncf 24147 df-limc 25136 df-dv 25137 df-log 25818

This theorem is referenced by: logcnlem4 25906

W3C validator