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Theorem logcnlem4 26483

Description: Lemma for logcn 26485. (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
logcnlem4	⊢ (𝜑 → (abs‘((ℑ‘(log‘𝐴)) − (ℑ‘(log‘𝐵)))) < 𝑅)

**Proof of Theorem logcnlem4**
Step	Hyp	Ref	Expression
1		logcnlem.a	. . . . . . . 8 ⊢ (𝜑 → 𝐴 ∈ 𝐷)
2		logcn.d	. . . . . . . . . 10 ⊢ 𝐷 = (ℂ ∖ (-∞(,]0))
3	2	ellogdm 26477	. . . . . . . . 9 ⊢ (𝐴 ∈ 𝐷 ↔ (𝐴 ∈ ℂ ∧ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ⁺)))
4	3	simplbi 497	. . . . . . . 8 ⊢ (𝐴 ∈ 𝐷 → 𝐴 ∈ ℂ)
5	1, 4	syl 17	. . . . . . 7 ⊢ (𝜑 → 𝐴 ∈ ℂ)
6	2	logdmn0 26478	. . . . . . . 8 ⊢ (𝐴 ∈ 𝐷 → 𝐴 ≠ 0)
7	1, 6	syl 17	. . . . . . 7 ⊢ (𝜑 → 𝐴 ≠ 0)
8	5, 7	logcld 26409	. . . . . 6 ⊢ (𝜑 → (log‘𝐴) ∈ ℂ)
9	8	imcld 15138	. . . . 5 ⊢ (𝜑 → (ℑ‘(log‘𝐴)) ∈ ℝ)
10	9	recnd 11238	. . . 4 ⊢ (𝜑 → (ℑ‘(log‘𝐴)) ∈ ℂ)
11		logcnlem.b	. . . . . . . 8 ⊢ (𝜑 → 𝐵 ∈ 𝐷)
12	2	ellogdm 26477	. . . . . . . . 9 ⊢ (𝐵 ∈ 𝐷 ↔ (𝐵 ∈ ℂ ∧ (𝐵 ∈ ℝ → 𝐵 ∈ ℝ⁺)))
13	12	simplbi 497	. . . . . . . 8 ⊢ (𝐵 ∈ 𝐷 → 𝐵 ∈ ℂ)
14	11, 13	syl 17	. . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ ℂ)
15	2	logdmn0 26478	. . . . . . . 8 ⊢ (𝐵 ∈ 𝐷 → 𝐵 ≠ 0)
16	11, 15	syl 17	. . . . . . 7 ⊢ (𝜑 → 𝐵 ≠ 0)
17	14, 16	logcld 26409	. . . . . 6 ⊢ (𝜑 → (log‘𝐵) ∈ ℂ)
18	17	imcld 15138	. . . . 5 ⊢ (𝜑 → (ℑ‘(log‘𝐵)) ∈ ℝ)
19	18	recnd 11238	. . . 4 ⊢ (𝜑 → (ℑ‘(log‘𝐵)) ∈ ℂ)
20	10, 19	abssubd 15396	. . 3 ⊢ (𝜑 → (abs‘((ℑ‘(log‘𝐴)) − (ℑ‘(log‘𝐵)))) = (abs‘((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴)))))
21	17, 8	imsubd 15160	. . . . 5 ⊢ (𝜑 → (ℑ‘((log‘𝐵) − (log‘𝐴))) = ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))))
22		efsub 16039	. . . . . . . . . 10 ⊢ (((log‘𝐵) ∈ ℂ ∧ (log‘𝐴) ∈ ℂ) → (exp‘((log‘𝐵) − (log‘𝐴))) = ((exp‘(log‘𝐵)) / (exp‘(log‘𝐴))))
23	17, 8, 22	syl2anc 583	. . . . . . . . 9 ⊢ (𝜑 → (exp‘((log‘𝐵) − (log‘𝐴))) = ((exp‘(log‘𝐵)) / (exp‘(log‘𝐴))))
24		eflog 26415	. . . . . . . . . . 11 ⊢ ((𝐵 ∈ ℂ ∧ 𝐵 ≠ 0) → (exp‘(log‘𝐵)) = 𝐵)
25	14, 16, 24	syl2anc 583	. . . . . . . . . 10 ⊢ (𝜑 → (exp‘(log‘𝐵)) = 𝐵)
26		eflog 26415	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (exp‘(log‘𝐴)) = 𝐴)
27	5, 7, 26	syl2anc 583	. . . . . . . . . 10 ⊢ (𝜑 → (exp‘(log‘𝐴)) = 𝐴)
28	25, 27	oveq12d 7419	. . . . . . . . 9 ⊢ (𝜑 → ((exp‘(log‘𝐵)) / (exp‘(log‘𝐴))) = (𝐵 / 𝐴))
29	23, 28	eqtrd 2764	. . . . . . . 8 ⊢ (𝜑 → (exp‘((log‘𝐵) − (log‘𝐴))) = (𝐵 / 𝐴))
30	14, 5, 7	divcld 11986	. . . . . . . . 9 ⊢ (𝜑 → (𝐵 / 𝐴) ∈ ℂ)
31	14, 5, 16, 7	divne0d 12002	. . . . . . . . 9 ⊢ (𝜑 → (𝐵 / 𝐴) ≠ 0)
32	17, 8	subcld 11567	. . . . . . . . . 10 ⊢ (𝜑 → ((log‘𝐵) − (log‘𝐴)) ∈ ℂ)
33		logcnlem.s	. . . . . . . . . . . . 13 ⊢ 𝑆 = if(𝐴 ∈ ℝ⁺, 𝐴, (abs‘(ℑ‘𝐴)))
34		logcnlem.t	. . . . . . . . . . . . 13 ⊢ 𝑇 = ((abs‘𝐴) · (𝑅 / (1 + 𝑅)))
35		logcnlem.r	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝑅 ∈ ℝ⁺)
36		logcnlem.l	. . . . . . . . . . . . 13 ⊢ (𝜑 → (abs‘(𝐴 − 𝐵)) < if(𝑆 ≤ 𝑇, 𝑆, 𝑇))
37	2, 33, 34, 1, 35, 11, 36	logcnlem3 26482	. . . . . . . . . . . 12 ⊢ (𝜑 → (-π < ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) ∧ ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) ≤ π))
38	37	simpld 494	. . . . . . . . . . 11 ⊢ (𝜑 → -π < ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))))
39	38, 21	breqtrrd 5166	. . . . . . . . . 10 ⊢ (𝜑 → -π < (ℑ‘((log‘𝐵) − (log‘𝐴))))
40	37	simprd 495	. . . . . . . . . . 11 ⊢ (𝜑 → ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) ≤ π)
41	21, 40	eqbrtrd 5160	. . . . . . . . . 10 ⊢ (𝜑 → (ℑ‘((log‘𝐵) − (log‘𝐴))) ≤ π)
42		ellogrn 26398	. . . . . . . . . 10 ⊢ (((log‘𝐵) − (log‘𝐴)) ∈ ran log ↔ (((log‘𝐵) − (log‘𝐴)) ∈ ℂ ∧ -π < (ℑ‘((log‘𝐵) − (log‘𝐴))) ∧ (ℑ‘((log‘𝐵) − (log‘𝐴))) ≤ π))
43	32, 39, 41, 42	syl3anbrc 1340	. . . . . . . . 9 ⊢ (𝜑 → ((log‘𝐵) − (log‘𝐴)) ∈ ran log)
44		logeftb 26422	. . . . . . . . 9 ⊢ (((𝐵 / 𝐴) ∈ ℂ ∧ (𝐵 / 𝐴) ≠ 0 ∧ ((log‘𝐵) − (log‘𝐴)) ∈ ran log) → ((log‘(𝐵 / 𝐴)) = ((log‘𝐵) − (log‘𝐴)) ↔ (exp‘((log‘𝐵) − (log‘𝐴))) = (𝐵 / 𝐴)))
45	30, 31, 43, 44	syl3anc 1368	. . . . . . . 8 ⊢ (𝜑 → ((log‘(𝐵 / 𝐴)) = ((log‘𝐵) − (log‘𝐴)) ↔ (exp‘((log‘𝐵) − (log‘𝐴))) = (𝐵 / 𝐴)))
46	29, 45	mpbird 257	. . . . . . 7 ⊢ (𝜑 → (log‘(𝐵 / 𝐴)) = ((log‘𝐵) − (log‘𝐴)))
47	46	eqcomd 2730	. . . . . 6 ⊢ (𝜑 → ((log‘𝐵) − (log‘𝐴)) = (log‘(𝐵 / 𝐴)))
48	47	fveq2d 6885	. . . . 5 ⊢ (𝜑 → (ℑ‘((log‘𝐵) − (log‘𝐴))) = (ℑ‘(log‘(𝐵 / 𝐴))))
49	21, 48	eqtr3d 2766	. . . 4 ⊢ (𝜑 → ((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴))) = (ℑ‘(log‘(𝐵 / 𝐴))))
50	49	fveq2d 6885	. . 3 ⊢ (𝜑 → (abs‘((ℑ‘(log‘𝐵)) − (ℑ‘(log‘𝐴)))) = (abs‘(ℑ‘(log‘(𝐵 / 𝐴)))))
51	20, 50	eqtrd 2764	. 2 ⊢ (𝜑 → (abs‘((ℑ‘(log‘𝐴)) − (ℑ‘(log‘𝐵)))) = (abs‘(ℑ‘(log‘(𝐵 / 𝐴)))))
52	30, 31	logcld 26409	. . . . . 6 ⊢ (𝜑 → (log‘(𝐵 / 𝐴)) ∈ ℂ)
53	52	imcld 15138	. . . . 5 ⊢ (𝜑 → (ℑ‘(log‘(𝐵 / 𝐴))) ∈ ℝ)
54	53	recnd 11238	. . . 4 ⊢ (𝜑 → (ℑ‘(log‘(𝐵 / 𝐴))) ∈ ℂ)
55	54	abscld 15379	. . 3 ⊢ (𝜑 → (abs‘(ℑ‘(log‘(𝐵 / 𝐴)))) ∈ ℝ)
56		0red 11213	. . . . . . . . . 10 ⊢ (𝜑 → 0 ∈ ℝ)
57		1re 11210	. . . . . . . . . . 11 ⊢ 1 ∈ ℝ
58	5, 14	subcld 11567	. . . . . . . . . . . . 13 ⊢ (𝜑 → (𝐴 − 𝐵) ∈ ℂ)
59	58	abscld 15379	. . . . . . . . . . . 12 ⊢ (𝜑 → (abs‘(𝐴 − 𝐵)) ∈ ℝ)
60	5, 7	absrpcld 15391	. . . . . . . . . . . 12 ⊢ (𝜑 → (abs‘𝐴) ∈ ℝ⁺)
61	59, 60	rerpdivcld 13043	. . . . . . . . . . 11 ⊢ (𝜑 → ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴)) ∈ ℝ)
62		resubcl 11520	. . . . . . . . . . 11 ⊢ ((1 ∈ ℝ ∧ ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴)) ∈ ℝ) → (1 − ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴))) ∈ ℝ)
63	57, 61, 62	sylancr 586	. . . . . . . . . 10 ⊢ (𝜑 → (1 − ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴))) ∈ ℝ)
64	30	recld 15137	. . . . . . . . . 10 ⊢ (𝜑 → (ℜ‘(𝐵 / 𝐴)) ∈ ℝ)
65	5	abscld 15379	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (abs‘𝐴) ∈ ℝ)
66	35	rpred 13012	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 𝑅 ∈ ℝ)
67		1rp 12974	. . . . . . . . . . . . . . . . . 18 ⊢ 1 ∈ ℝ⁺
68		rpaddcl 12992	. . . . . . . . . . . . . . . . . 18 ⊢ ((1 ∈ ℝ⁺ ∧ 𝑅 ∈ ℝ⁺) → (1 + 𝑅) ∈ ℝ⁺)
69	67, 35, 68	sylancr 586	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (1 + 𝑅) ∈ ℝ⁺)
70	66, 69	rerpdivcld 13043	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝑅 / (1 + 𝑅)) ∈ ℝ)
71	65, 70	remulcld 11240	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → ((abs‘𝐴) · (𝑅 / (1 + 𝑅))) ∈ ℝ)
72	34, 71	eqeltrid 2829	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝑇 ∈ ℝ)
73		rpre 12978	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝐴 ∈ ℝ⁺ → 𝐴 ∈ ℝ)
74	73	adantl 481	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝐴 ∈ ℝ⁺) → 𝐴 ∈ ℝ)
75	5	imcld 15138	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝜑 → (ℑ‘𝐴) ∈ ℝ)
76	75	recnd 11238	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝜑 → (ℑ‘𝐴) ∈ ℂ)
77	76	abscld 15379	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝜑 → (abs‘(ℑ‘𝐴)) ∈ ℝ)
78	77	adantr 480	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ ¬ 𝐴 ∈ ℝ⁺) → (abs‘(ℑ‘𝐴)) ∈ ℝ)
79	74, 78	ifclda 4555	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → if(𝐴 ∈ ℝ⁺, 𝐴, (abs‘(ℑ‘𝐴))) ∈ ℝ)
80	33, 79	eqeltrid 2829	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 𝑆 ∈ ℝ)
81		ltmin 13169	. . . . . . . . . . . . . . . . 17 ⊢ (((abs‘(𝐴 − 𝐵)) ∈ ℝ ∧ 𝑆 ∈ ℝ ∧ 𝑇 ∈ ℝ) → ((abs‘(𝐴 − 𝐵)) < if(𝑆 ≤ 𝑇, 𝑆, 𝑇) ↔ ((abs‘(𝐴 − 𝐵)) < 𝑆 ∧ (abs‘(𝐴 − 𝐵)) < 𝑇)))
82	59, 80, 72, 81	syl3anc 1368	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → ((abs‘(𝐴 − 𝐵)) < if(𝑆 ≤ 𝑇, 𝑆, 𝑇) ↔ ((abs‘(𝐴 − 𝐵)) < 𝑆 ∧ (abs‘(𝐴 − 𝐵)) < 𝑇)))
83	36, 82	mpbid 231	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → ((abs‘(𝐴 − 𝐵)) < 𝑆 ∧ (abs‘(𝐴 − 𝐵)) < 𝑇))
84	83	simprd 495	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (abs‘(𝐴 − 𝐵)) < 𝑇)
85	69	rpred 13012	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝜑 → (1 + 𝑅) ∈ ℝ)
86	66	ltp1d 12140	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝜑 → 𝑅 < (𝑅 + 1))
87	66	recnd 11238	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝜑 → 𝑅 ∈ ℂ)
88		ax-1cn 11163	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ 1 ∈ ℂ
89		addcom 11396	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝑅 ∈ ℂ ∧ 1 ∈ ℂ) → (𝑅 + 1) = (1 + 𝑅))
90	87, 88, 89	sylancl 585	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝜑 → (𝑅 + 1) = (1 + 𝑅))
91	86, 90	breqtrd 5164	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝜑 → 𝑅 < (1 + 𝑅))
92	66, 85, 91	ltled 11358	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → 𝑅 ≤ (1 + 𝑅))
93	85	recnd 11238	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝜑 → (1 + 𝑅) ∈ ℂ)
94	93	mulridd 11227	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → ((1 + 𝑅) · 1) = (1 + 𝑅))
95	92, 94	breqtrrd 5166	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → 𝑅 ≤ ((1 + 𝑅) · 1))
96	57	a1i 11	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → 1 ∈ ℝ)
97	66, 96, 69	ledivmuld 13065	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → ((𝑅 / (1 + 𝑅)) ≤ 1 ↔ 𝑅 ≤ ((1 + 𝑅) · 1)))
98	95, 97	mpbird 257	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (𝑅 / (1 + 𝑅)) ≤ 1)
99	70, 96, 60	lemul2d 13056	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → ((𝑅 / (1 + 𝑅)) ≤ 1 ↔ ((abs‘𝐴) · (𝑅 / (1 + 𝑅))) ≤ ((abs‘𝐴) · 1)))
100	98, 99	mpbid 231	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → ((abs‘𝐴) · (𝑅 / (1 + 𝑅))) ≤ ((abs‘𝐴) · 1))
101	65	recnd 11238	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (abs‘𝐴) ∈ ℂ)
102	101	mulridd 11227	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → ((abs‘𝐴) · 1) = (abs‘𝐴))
103	100, 102	breqtrd 5164	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → ((abs‘𝐴) · (𝑅 / (1 + 𝑅))) ≤ (abs‘𝐴))
104	34, 103	eqbrtrid 5173	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝑇 ≤ (abs‘𝐴))
105	59, 72, 65, 84, 104	ltletrd 11370	. . . . . . . . . . . . 13 ⊢ (𝜑 → (abs‘(𝐴 − 𝐵)) < (abs‘𝐴))
106	105, 102	breqtrrd 5166	. . . . . . . . . . . 12 ⊢ (𝜑 → (abs‘(𝐴 − 𝐵)) < ((abs‘𝐴) · 1))
107	59, 96, 60	ltdivmuld 13063	. . . . . . . . . . . 12 ⊢ (𝜑 → (((abs‘(𝐴 − 𝐵)) / (abs‘𝐴)) < 1 ↔ (abs‘(𝐴 − 𝐵)) < ((abs‘𝐴) · 1)))
108	106, 107	mpbird 257	. . . . . . . . . . 11 ⊢ (𝜑 → ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴)) < 1)
109		posdif 11703	. . . . . . . . . . . 12 ⊢ ((((abs‘(𝐴 − 𝐵)) / (abs‘𝐴)) ∈ ℝ ∧ 1 ∈ ℝ) → (((abs‘(𝐴 − 𝐵)) / (abs‘𝐴)) < 1 ↔ 0 < (1 − ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴)))))
110	61, 57, 109	sylancl 585	. . . . . . . . . . 11 ⊢ (𝜑 → (((abs‘(𝐴 − 𝐵)) / (abs‘𝐴)) < 1 ↔ 0 < (1 − ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴)))))
111	108, 110	mpbid 231	. . . . . . . . . 10 ⊢ (𝜑 → 0 < (1 − ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴))))
112	58, 5, 7	divcld 11986	. . . . . . . . . . . . 13 ⊢ (𝜑 → ((𝐴 − 𝐵) / 𝐴) ∈ ℂ)
113	112	releabsd 15394	. . . . . . . . . . . 12 ⊢ (𝜑 → (ℜ‘((𝐴 − 𝐵) / 𝐴)) ≤ (abs‘((𝐴 − 𝐵) / 𝐴)))
114	5, 14, 5, 7	divsubdird 12025	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → ((𝐴 − 𝐵) / 𝐴) = ((𝐴 / 𝐴) − (𝐵 / 𝐴)))
115	5, 7	dividd 11984	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (𝐴 / 𝐴) = 1)
116	115	oveq1d 7416	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → ((𝐴 / 𝐴) − (𝐵 / 𝐴)) = (1 − (𝐵 / 𝐴)))
117	114, 116	eqtrd 2764	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → ((𝐴 − 𝐵) / 𝐴) = (1 − (𝐵 / 𝐴)))
118	117	fveq2d 6885	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (ℜ‘((𝐴 − 𝐵) / 𝐴)) = (ℜ‘(1 − (𝐵 / 𝐴))))
119		resub 15070	. . . . . . . . . . . . . . 15 ⊢ ((1 ∈ ℂ ∧ (𝐵 / 𝐴) ∈ ℂ) → (ℜ‘(1 − (𝐵 / 𝐴))) = ((ℜ‘1) − (ℜ‘(𝐵 / 𝐴))))
120	88, 30, 119	sylancr 586	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (ℜ‘(1 − (𝐵 / 𝐴))) = ((ℜ‘1) − (ℜ‘(𝐵 / 𝐴))))
121	118, 120	eqtrd 2764	. . . . . . . . . . . . 13 ⊢ (𝜑 → (ℜ‘((𝐴 − 𝐵) / 𝐴)) = ((ℜ‘1) − (ℜ‘(𝐵 / 𝐴))))
122		re1 15097	. . . . . . . . . . . . . 14 ⊢ (ℜ‘1) = 1
123	122	oveq1i 7411	. . . . . . . . . . . . 13 ⊢ ((ℜ‘1) − (ℜ‘(𝐵 / 𝐴))) = (1 − (ℜ‘(𝐵 / 𝐴)))
124	121, 123	eqtrdi 2780	. . . . . . . . . . . 12 ⊢ (𝜑 → (ℜ‘((𝐴 − 𝐵) / 𝐴)) = (1 − (ℜ‘(𝐵 / 𝐴))))
125	58, 5, 7	absdivd 15398	. . . . . . . . . . . 12 ⊢ (𝜑 → (abs‘((𝐴 − 𝐵) / 𝐴)) = ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴)))
126	113, 124, 125	3brtr3d 5169	. . . . . . . . . . 11 ⊢ (𝜑 → (1 − (ℜ‘(𝐵 / 𝐴))) ≤ ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴)))
127	96, 64, 61, 126	subled 11813	. . . . . . . . . 10 ⊢ (𝜑 → (1 − ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴))) ≤ (ℜ‘(𝐵 / 𝐴)))
128	56, 63, 64, 111, 127	ltletrd 11370	. . . . . . . . 9 ⊢ (𝜑 → 0 < (ℜ‘(𝐵 / 𝐴)))
129		argregt0 26448	. . . . . . . . 9 ⊢ (((𝐵 / 𝐴) ∈ ℂ ∧ 0 < (ℜ‘(𝐵 / 𝐴))) → (ℑ‘(log‘(𝐵 / 𝐴))) ∈ (-(π / 2)(,)(π / 2)))
130	30, 128, 129	syl2anc 583	. . . . . . . 8 ⊢ (𝜑 → (ℑ‘(log‘(𝐵 / 𝐴))) ∈ (-(π / 2)(,)(π / 2)))
131		cosq14gt0 26350	. . . . . . . 8 ⊢ ((ℑ‘(log‘(𝐵 / 𝐴))) ∈ (-(π / 2)(,)(π / 2)) → 0 < (cos‘(ℑ‘(log‘(𝐵 / 𝐴)))))
132	130, 131	syl 17	. . . . . . 7 ⊢ (𝜑 → 0 < (cos‘(ℑ‘(log‘(𝐵 / 𝐴)))))
133	132	gt0ne0d 11774	. . . . . 6 ⊢ (𝜑 → (cos‘(ℑ‘(log‘(𝐵 / 𝐴)))) ≠ 0)
134	53, 133	retancld 16084	. . . . 5 ⊢ (𝜑 → (tan‘(ℑ‘(log‘(𝐵 / 𝐴)))) ∈ ℝ)
135	134	recnd 11238	. . . 4 ⊢ (𝜑 → (tan‘(ℑ‘(log‘(𝐵 / 𝐴)))) ∈ ℂ)
136	135	abscld 15379	. . 3 ⊢ (𝜑 → (abs‘(tan‘(ℑ‘(log‘(𝐵 / 𝐴))))) ∈ ℝ)
137		tanabsge 26346	. . . 4 ⊢ ((ℑ‘(log‘(𝐵 / 𝐴))) ∈ (-(π / 2)(,)(π / 2)) → (abs‘(ℑ‘(log‘(𝐵 / 𝐴)))) ≤ (abs‘(tan‘(ℑ‘(log‘(𝐵 / 𝐴))))))
138	130, 137	syl 17	. . 3 ⊢ (𝜑 → (abs‘(ℑ‘(log‘(𝐵 / 𝐴)))) ≤ (abs‘(tan‘(ℑ‘(log‘(𝐵 / 𝐴))))))
139	128	gt0ne0d 11774	. . . . . . 7 ⊢ (𝜑 → (ℜ‘(𝐵 / 𝐴)) ≠ 0)
140		tanarg 26457	. . . . . . 7 ⊢ (((𝐵 / 𝐴) ∈ ℂ ∧ (ℜ‘(𝐵 / 𝐴)) ≠ 0) → (tan‘(ℑ‘(log‘(𝐵 / 𝐴)))) = ((ℑ‘(𝐵 / 𝐴)) / (ℜ‘(𝐵 / 𝐴))))
141	30, 139, 140	syl2anc 583	. . . . . 6 ⊢ (𝜑 → (tan‘(ℑ‘(log‘(𝐵 / 𝐴)))) = ((ℑ‘(𝐵 / 𝐴)) / (ℜ‘(𝐵 / 𝐴))))
142	141	fveq2d 6885	. . . . 5 ⊢ (𝜑 → (abs‘(tan‘(ℑ‘(log‘(𝐵 / 𝐴))))) = (abs‘((ℑ‘(𝐵 / 𝐴)) / (ℜ‘(𝐵 / 𝐴)))))
143	30	imcld 15138	. . . . . . 7 ⊢ (𝜑 → (ℑ‘(𝐵 / 𝐴)) ∈ ℝ)
144	143	recnd 11238	. . . . . 6 ⊢ (𝜑 → (ℑ‘(𝐵 / 𝐴)) ∈ ℂ)
145	64	recnd 11238	. . . . . 6 ⊢ (𝜑 → (ℜ‘(𝐵 / 𝐴)) ∈ ℂ)
146	144, 145, 139	absdivd 15398	. . . . 5 ⊢ (𝜑 → (abs‘((ℑ‘(𝐵 / 𝐴)) / (ℜ‘(𝐵 / 𝐴)))) = ((abs‘(ℑ‘(𝐵 / 𝐴))) / (abs‘(ℜ‘(𝐵 / 𝐴)))))
147	56, 64, 128	ltled 11358	. . . . . . 7 ⊢ (𝜑 → 0 ≤ (ℜ‘(𝐵 / 𝐴)))
148	64, 147	absidd 15365	. . . . . 6 ⊢ (𝜑 → (abs‘(ℜ‘(𝐵 / 𝐴))) = (ℜ‘(𝐵 / 𝐴)))
149	148	oveq2d 7417	. . . . 5 ⊢ (𝜑 → ((abs‘(ℑ‘(𝐵 / 𝐴))) / (abs‘(ℜ‘(𝐵 / 𝐴)))) = ((abs‘(ℑ‘(𝐵 / 𝐴))) / (ℜ‘(𝐵 / 𝐴))))
150	142, 146, 149	3eqtrd 2768	. . . 4 ⊢ (𝜑 → (abs‘(tan‘(ℑ‘(log‘(𝐵 / 𝐴))))) = ((abs‘(ℑ‘(𝐵 / 𝐴))) / (ℜ‘(𝐵 / 𝐴))))
151	144	abscld 15379	. . . . . 6 ⊢ (𝜑 → (abs‘(ℑ‘(𝐵 / 𝐴))) ∈ ℝ)
152	64, 66	remulcld 11240	. . . . . 6 ⊢ (𝜑 → ((ℜ‘(𝐵 / 𝐴)) · 𝑅) ∈ ℝ)
153	14, 5	subcld 11567	. . . . . . . . 9 ⊢ (𝜑 → (𝐵 − 𝐴) ∈ ℂ)
154	153, 5, 7	divcld 11986	. . . . . . . 8 ⊢ (𝜑 → ((𝐵 − 𝐴) / 𝐴) ∈ ℂ)
155		absimle 15252	. . . . . . . 8 ⊢ (((𝐵 − 𝐴) / 𝐴) ∈ ℂ → (abs‘(ℑ‘((𝐵 − 𝐴) / 𝐴))) ≤ (abs‘((𝐵 − 𝐴) / 𝐴)))
156	154, 155	syl 17	. . . . . . 7 ⊢ (𝜑 → (abs‘(ℑ‘((𝐵 − 𝐴) / 𝐴))) ≤ (abs‘((𝐵 − 𝐴) / 𝐴)))
157	14, 5, 5, 7	divsubdird 12025	. . . . . . . . . . 11 ⊢ (𝜑 → ((𝐵 − 𝐴) / 𝐴) = ((𝐵 / 𝐴) − (𝐴 / 𝐴)))
158	115	oveq2d 7417	. . . . . . . . . . 11 ⊢ (𝜑 → ((𝐵 / 𝐴) − (𝐴 / 𝐴)) = ((𝐵 / 𝐴) − 1))
159	157, 158	eqtrd 2764	. . . . . . . . . 10 ⊢ (𝜑 → ((𝐵 − 𝐴) / 𝐴) = ((𝐵 / 𝐴) − 1))
160	159	fveq2d 6885	. . . . . . . . 9 ⊢ (𝜑 → (ℑ‘((𝐵 − 𝐴) / 𝐴)) = (ℑ‘((𝐵 / 𝐴) − 1)))
161		imsub 15078	. . . . . . . . . . 11 ⊢ (((𝐵 / 𝐴) ∈ ℂ ∧ 1 ∈ ℂ) → (ℑ‘((𝐵 / 𝐴) − 1)) = ((ℑ‘(𝐵 / 𝐴)) − (ℑ‘1)))
162	30, 88, 161	sylancl 585	. . . . . . . . . 10 ⊢ (𝜑 → (ℑ‘((𝐵 / 𝐴) − 1)) = ((ℑ‘(𝐵 / 𝐴)) − (ℑ‘1)))
163		im1 15098	. . . . . . . . . . 11 ⊢ (ℑ‘1) = 0
164	163	oveq2i 7412	. . . . . . . . . 10 ⊢ ((ℑ‘(𝐵 / 𝐴)) − (ℑ‘1)) = ((ℑ‘(𝐵 / 𝐴)) − 0)
165	162, 164	eqtrdi 2780	. . . . . . . . 9 ⊢ (𝜑 → (ℑ‘((𝐵 / 𝐴) − 1)) = ((ℑ‘(𝐵 / 𝐴)) − 0))
166	144	subid1d 11556	. . . . . . . . 9 ⊢ (𝜑 → ((ℑ‘(𝐵 / 𝐴)) − 0) = (ℑ‘(𝐵 / 𝐴)))
167	160, 165, 166	3eqtrrd 2769	. . . . . . . 8 ⊢ (𝜑 → (ℑ‘(𝐵 / 𝐴)) = (ℑ‘((𝐵 − 𝐴) / 𝐴)))
168	167	fveq2d 6885	. . . . . . 7 ⊢ (𝜑 → (abs‘(ℑ‘(𝐵 / 𝐴))) = (abs‘(ℑ‘((𝐵 − 𝐴) / 𝐴))))
169	5, 14	abssubd 15396	. . . . . . . . 9 ⊢ (𝜑 → (abs‘(𝐴 − 𝐵)) = (abs‘(𝐵 − 𝐴)))
170	169	oveq1d 7416	. . . . . . . 8 ⊢ (𝜑 → ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴)) = ((abs‘(𝐵 − 𝐴)) / (abs‘𝐴)))
171	153, 5, 7	absdivd 15398	. . . . . . . 8 ⊢ (𝜑 → (abs‘((𝐵 − 𝐴) / 𝐴)) = ((abs‘(𝐵 − 𝐴)) / (abs‘𝐴)))
172	170, 171	eqtr4d 2767	. . . . . . 7 ⊢ (𝜑 → ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴)) = (abs‘((𝐵 − 𝐴) / 𝐴)))
173	156, 168, 172	3brtr4d 5170	. . . . . 6 ⊢ (𝜑 → (abs‘(ℑ‘(𝐵 / 𝐴))) ≤ ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴)))
174	65, 59	resubcld 11638	. . . . . . . . 9 ⊢ (𝜑 → ((abs‘𝐴) − (abs‘(𝐴 − 𝐵))) ∈ ℝ)
175	174, 66	remulcld 11240	. . . . . . . 8 ⊢ (𝜑 → (((abs‘𝐴) − (abs‘(𝐴 − 𝐵))) · 𝑅) ∈ ℝ)
176	65, 152	remulcld 11240	. . . . . . . 8 ⊢ (𝜑 → ((abs‘𝐴) · ((ℜ‘(𝐵 / 𝐴)) · 𝑅)) ∈ ℝ)
177	59	recnd 11238	. . . . . . . . . . . . 13 ⊢ (𝜑 → (abs‘(𝐴 − 𝐵)) ∈ ℂ)
178	88	a1i 11	. . . . . . . . . . . . 13 ⊢ (𝜑 → 1 ∈ ℂ)
179	177, 178, 87	adddid 11234	. . . . . . . . . . . 12 ⊢ (𝜑 → ((abs‘(𝐴 − 𝐵)) · (1 + 𝑅)) = (((abs‘(𝐴 − 𝐵)) · 1) + ((abs‘(𝐴 − 𝐵)) · 𝑅)))
180	177	mulridd 11227	. . . . . . . . . . . . 13 ⊢ (𝜑 → ((abs‘(𝐴 − 𝐵)) · 1) = (abs‘(𝐴 − 𝐵)))
181	180	oveq1d 7416	. . . . . . . . . . . 12 ⊢ (𝜑 → (((abs‘(𝐴 − 𝐵)) · 1) + ((abs‘(𝐴 − 𝐵)) · 𝑅)) = ((abs‘(𝐴 − 𝐵)) + ((abs‘(𝐴 − 𝐵)) · 𝑅)))
182	179, 181	eqtrd 2764	. . . . . . . . . . 11 ⊢ (𝜑 → ((abs‘(𝐴 − 𝐵)) · (1 + 𝑅)) = ((abs‘(𝐴 − 𝐵)) + ((abs‘(𝐴 − 𝐵)) · 𝑅)))
183	69	rpne0d 13017	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (1 + 𝑅) ≠ 0)
184	101, 87, 93, 183	divassd 12021	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (((abs‘𝐴) · 𝑅) / (1 + 𝑅)) = ((abs‘𝐴) · (𝑅 / (1 + 𝑅))))
185	184, 34	eqtr4di 2782	. . . . . . . . . . . . 13 ⊢ (𝜑 → (((abs‘𝐴) · 𝑅) / (1 + 𝑅)) = 𝑇)
186	84, 185	breqtrrd 5166	. . . . . . . . . . . 12 ⊢ (𝜑 → (abs‘(𝐴 − 𝐵)) < (((abs‘𝐴) · 𝑅) / (1 + 𝑅)))
187	65, 66	remulcld 11240	. . . . . . . . . . . . 13 ⊢ (𝜑 → ((abs‘𝐴) · 𝑅) ∈ ℝ)
188	59, 187, 69	ltmuldivd 13059	. . . . . . . . . . . 12 ⊢ (𝜑 → (((abs‘(𝐴 − 𝐵)) · (1 + 𝑅)) < ((abs‘𝐴) · 𝑅) ↔ (abs‘(𝐴 − 𝐵)) < (((abs‘𝐴) · 𝑅) / (1 + 𝑅))))
189	186, 188	mpbird 257	. . . . . . . . . . 11 ⊢ (𝜑 → ((abs‘(𝐴 − 𝐵)) · (1 + 𝑅)) < ((abs‘𝐴) · 𝑅))
190	182, 189	eqbrtrrd 5162	. . . . . . . . . 10 ⊢ (𝜑 → ((abs‘(𝐴 − 𝐵)) + ((abs‘(𝐴 − 𝐵)) · 𝑅)) < ((abs‘𝐴) · 𝑅))
191	59, 66	remulcld 11240	. . . . . . . . . . 11 ⊢ (𝜑 → ((abs‘(𝐴 − 𝐵)) · 𝑅) ∈ ℝ)
192	59, 191, 187	ltaddsubd 11810	. . . . . . . . . 10 ⊢ (𝜑 → (((abs‘(𝐴 − 𝐵)) + ((abs‘(𝐴 − 𝐵)) · 𝑅)) < ((abs‘𝐴) · 𝑅) ↔ (abs‘(𝐴 − 𝐵)) < (((abs‘𝐴) · 𝑅) − ((abs‘(𝐴 − 𝐵)) · 𝑅))))
193	190, 192	mpbid 231	. . . . . . . . 9 ⊢ (𝜑 → (abs‘(𝐴 − 𝐵)) < (((abs‘𝐴) · 𝑅) − ((abs‘(𝐴 − 𝐵)) · 𝑅)))
194	101, 177, 87	subdird 11667	. . . . . . . . 9 ⊢ (𝜑 → (((abs‘𝐴) − (abs‘(𝐴 − 𝐵))) · 𝑅) = (((abs‘𝐴) · 𝑅) − ((abs‘(𝐴 − 𝐵)) · 𝑅)))
195	193, 194	breqtrrd 5166	. . . . . . . 8 ⊢ (𝜑 → (abs‘(𝐴 − 𝐵)) < (((abs‘𝐴) − (abs‘(𝐴 − 𝐵))) · 𝑅))
196	60	rpne0d 13017	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (abs‘𝐴) ≠ 0)
197	101, 177, 101, 196	divsubdird 12025	. . . . . . . . . . . . 13 ⊢ (𝜑 → (((abs‘𝐴) − (abs‘(𝐴 − 𝐵))) / (abs‘𝐴)) = (((abs‘𝐴) / (abs‘𝐴)) − ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴))))
198	101, 196	dividd 11984	. . . . . . . . . . . . . 14 ⊢ (𝜑 → ((abs‘𝐴) / (abs‘𝐴)) = 1)
199	198	oveq1d 7416	. . . . . . . . . . . . 13 ⊢ (𝜑 → (((abs‘𝐴) / (abs‘𝐴)) − ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴))) = (1 − ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴))))
200	197, 199	eqtrd 2764	. . . . . . . . . . . 12 ⊢ (𝜑 → (((abs‘𝐴) − (abs‘(𝐴 − 𝐵))) / (abs‘𝐴)) = (1 − ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴))))
201	200, 127	eqbrtrd 5160	. . . . . . . . . . 11 ⊢ (𝜑 → (((abs‘𝐴) − (abs‘(𝐴 − 𝐵))) / (abs‘𝐴)) ≤ (ℜ‘(𝐵 / 𝐴)))
202	174, 64, 60	ledivmuld 13065	. . . . . . . . . . 11 ⊢ (𝜑 → ((((abs‘𝐴) − (abs‘(𝐴 − 𝐵))) / (abs‘𝐴)) ≤ (ℜ‘(𝐵 / 𝐴)) ↔ ((abs‘𝐴) − (abs‘(𝐴 − 𝐵))) ≤ ((abs‘𝐴) · (ℜ‘(𝐵 / 𝐴)))))
203	201, 202	mpbid 231	. . . . . . . . . 10 ⊢ (𝜑 → ((abs‘𝐴) − (abs‘(𝐴 − 𝐵))) ≤ ((abs‘𝐴) · (ℜ‘(𝐵 / 𝐴))))
204	65, 64	remulcld 11240	. . . . . . . . . . 11 ⊢ (𝜑 → ((abs‘𝐴) · (ℜ‘(𝐵 / 𝐴))) ∈ ℝ)
205	174, 204, 35	lemul1d 13055	. . . . . . . . . 10 ⊢ (𝜑 → (((abs‘𝐴) − (abs‘(𝐴 − 𝐵))) ≤ ((abs‘𝐴) · (ℜ‘(𝐵 / 𝐴))) ↔ (((abs‘𝐴) − (abs‘(𝐴 − 𝐵))) · 𝑅) ≤ (((abs‘𝐴) · (ℜ‘(𝐵 / 𝐴))) · 𝑅)))
206	203, 205	mpbid 231	. . . . . . . . 9 ⊢ (𝜑 → (((abs‘𝐴) − (abs‘(𝐴 − 𝐵))) · 𝑅) ≤ (((abs‘𝐴) · (ℜ‘(𝐵 / 𝐴))) · 𝑅))
207	101, 145, 87	mulassd 11233	. . . . . . . . 9 ⊢ (𝜑 → (((abs‘𝐴) · (ℜ‘(𝐵 / 𝐴))) · 𝑅) = ((abs‘𝐴) · ((ℜ‘(𝐵 / 𝐴)) · 𝑅)))
208	206, 207	breqtrd 5164	. . . . . . . 8 ⊢ (𝜑 → (((abs‘𝐴) − (abs‘(𝐴 − 𝐵))) · 𝑅) ≤ ((abs‘𝐴) · ((ℜ‘(𝐵 / 𝐴)) · 𝑅)))
209	59, 175, 176, 195, 208	ltletrd 11370	. . . . . . 7 ⊢ (𝜑 → (abs‘(𝐴 − 𝐵)) < ((abs‘𝐴) · ((ℜ‘(𝐵 / 𝐴)) · 𝑅)))
210	59, 152, 60	ltdivmuld 13063	. . . . . . 7 ⊢ (𝜑 → (((abs‘(𝐴 − 𝐵)) / (abs‘𝐴)) < ((ℜ‘(𝐵 / 𝐴)) · 𝑅) ↔ (abs‘(𝐴 − 𝐵)) < ((abs‘𝐴) · ((ℜ‘(𝐵 / 𝐴)) · 𝑅))))
211	209, 210	mpbird 257	. . . . . 6 ⊢ (𝜑 → ((abs‘(𝐴 − 𝐵)) / (abs‘𝐴)) < ((ℜ‘(𝐵 / 𝐴)) · 𝑅))
212	151, 61, 152, 173, 211	lelttrd 11368	. . . . 5 ⊢ (𝜑 → (abs‘(ℑ‘(𝐵 / 𝐴))) < ((ℜ‘(𝐵 / 𝐴)) · 𝑅))
213		ltdivmul 12085	. . . . . 6 ⊢ (((abs‘(ℑ‘(𝐵 / 𝐴))) ∈ ℝ ∧ 𝑅 ∈ ℝ ∧ ((ℜ‘(𝐵 / 𝐴)) ∈ ℝ ∧ 0 < (ℜ‘(𝐵 / 𝐴)))) → (((abs‘(ℑ‘(𝐵 / 𝐴))) / (ℜ‘(𝐵 / 𝐴))) < 𝑅 ↔ (abs‘(ℑ‘(𝐵 / 𝐴))) < ((ℜ‘(𝐵 / 𝐴)) · 𝑅)))
214	151, 66, 64, 128, 213	syl112anc 1371	. . . . 5 ⊢ (𝜑 → (((abs‘(ℑ‘(𝐵 / 𝐴))) / (ℜ‘(𝐵 / 𝐴))) < 𝑅 ↔ (abs‘(ℑ‘(𝐵 / 𝐴))) < ((ℜ‘(𝐵 / 𝐴)) · 𝑅)))
215	212, 214	mpbird 257	. . . 4 ⊢ (𝜑 → ((abs‘(ℑ‘(𝐵 / 𝐴))) / (ℜ‘(𝐵 / 𝐴))) < 𝑅)
216	150, 215	eqbrtrd 5160	. . 3 ⊢ (𝜑 → (abs‘(tan‘(ℑ‘(log‘(𝐵 / 𝐴))))) < 𝑅)
217	55, 136, 66, 138, 216	lelttrd 11368	. 2 ⊢ (𝜑 → (abs‘(ℑ‘(log‘(𝐵 / 𝐴)))) < 𝑅)
218	51, 217	eqbrtrd 5160	1 ⊢ (𝜑 → (abs‘((ℑ‘(log‘𝐴)) − (ℑ‘(log‘𝐵)))) < 𝑅)

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 395 = wceq 1533 ∈ wcel 2098 ≠ wne 2932 ∖ cdif 3937 ifcif 4520 class class class wbr 5138 ran crn 5667 ‘cfv 6533 (class class class)co 7401 ℂcc 11103 ℝcr 11104 0cc0 11105 1c1 11106 + caddc 11108 · cmul 11110 -∞cmnf 11242 < clt 11244 ≤ cle 11245 − cmin 11440 -cneg 11441 / cdiv 11867 2c2 12263 ℝ⁺crp 12970 (,)cioo 13320 (,]cioc 13321 ℜcre 15040 ℑcim 15041 abscabs 15177 expce 16001 cosccos 16004 tanctan 16005 πcpi 16006 logclog 26393

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 2695 ax-rep 5275 ax-sep 5289 ax-nul 5296 ax-pow 5353 ax-pr 5417 ax-un 7718 ax-inf2 9631 ax-cnex 11161 ax-resscn 11162 ax-1cn 11163 ax-icn 11164 ax-addcl 11165 ax-addrcl 11166 ax-mulcl 11167 ax-mulrcl 11168 ax-mulcom 11169 ax-addass 11170 ax-mulass 11171 ax-distr 11172 ax-i2m1 11173 ax-1ne0 11174 ax-1rid 11175 ax-rnegex 11176 ax-rrecex 11177 ax-cnre 11178 ax-pre-lttri 11179 ax-pre-lttrn 11180 ax-pre-ltadd 11181 ax-pre-mulgt0 11182 ax-pre-sup 11183 ax-addf 11184

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 2526 df-eu 2555 df-clab 2702 df-cleq 2716 df-clel 2802 df-nfc 2877 df-ne 2933 df-nel 3039 df-ral 3054 df-rex 3063 df-rmo 3368 df-reu 3369 df-rab 3425 df-v 3468 df-sbc 3770 df-csb 3886 df-dif 3943 df-un 3945 df-in 3947 df-ss 3957 df-pss 3959 df-nul 4315 df-if 4521 df-pw 4596 df-sn 4621 df-pr 4623 df-tp 4625 df-op 4627 df-uni 4900 df-int 4941 df-iun 4989 df-iin 4990 df-br 5139 df-opab 5201 df-mpt 5222 df-tr 5256 df-id 5564 df-eprel 5570 df-po 5578 df-so 5579 df-fr 5621 df-se 5622 df-we 5623 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-pred 6290 df-ord 6357 df-on 6358 df-lim 6359 df-suc 6360 df-iota 6485 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-isom 6542 df-riota 7357 df-ov 7404 df-oprab 7405 df-mpo 7406 df-of 7663 df-om 7849 df-1st 7968 df-2nd 7969 df-supp 8141 df-frecs 8261 df-wrecs 8292 df-recs 8366 df-rdg 8405 df-1o 8461 df-2o 8462 df-er 8698 df-map 8817 df-pm 8818 df-ixp 8887 df-en 8935 df-dom 8936 df-sdom 8937 df-fin 8938 df-fsupp 9357 df-fi 9401 df-sup 9432 df-inf 9433 df-oi 9500 df-card 9929 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-sub 11442 df-neg 11443 df-div 11868 df-nn 12209 df-2 12271 df-3 12272 df-4 12273 df-5 12274 df-6 12275 df-7 12276 df-8 12277 df-9 12278 df-n0 12469 df-z 12555 df-dec 12674 df-uz 12819 df-q 12929 df-rp 12971 df-xneg 13088 df-xadd 13089 df-xmul 13090 df-ioo 13324 df-ioc 13325 df-ico 13326 df-icc 13327 df-fz 13481 df-fzo 13624 df-fl 13753 df-mod 13831 df-seq 13963 df-exp 14024 df-fac 14230 df-bc 14259 df-hash 14287 df-shft 15010 df-cj 15042 df-re 15043 df-im 15044 df-sqrt 15178 df-abs 15179 df-limsup 15411 df-clim 15428 df-rlim 15429 df-sum 15629 df-ef 16007 df-sin 16009 df-cos 16010 df-tan 16011 df-pi 16012 df-struct 17076 df-sets 17093 df-slot 17111 df-ndx 17123 df-base 17141 df-ress 17170 df-plusg 17206 df-mulr 17207 df-starv 17208 df-sca 17209 df-vsca 17210 df-ip 17211 df-tset 17212 df-ple 17213 df-ds 17215 df-unif 17216 df-hom 17217 df-cco 17218 df-rest 17364 df-topn 17365 df-0g 17383 df-gsum 17384 df-topgen 17385 df-pt 17386 df-prds 17389 df-xrs 17444 df-qtop 17449 df-imas 17450 df-xps 17452 df-mre 17526 df-mrc 17527 df-acs 17529 df-mgm 18560 df-sgrp 18639 df-mnd 18655 df-submnd 18701 df-mulg 18983 df-cntz 19218 df-cmn 19687 df-psmet 21215 df-xmet 21216 df-met 21217 df-bl 21218 df-mopn 21219 df-fbas 21220 df-fg 21221 df-cnfld 21224 df-top 22706 df-topon 22723 df-topsp 22745 df-bases 22759 df-cld 22833 df-ntr 22834 df-cls 22835 df-nei 22912 df-lp 22950 df-perf 22951 df-cn 23041 df-cnp 23042 df-haus 23129 df-tx 23376 df-hmeo 23569 df-fil 23660 df-fm 23752 df-flim 23753 df-flf 23754 df-xms 24136 df-ms 24137 df-tms 24138 df-cncf 24708 df-limc 25705 df-dv 25706 df-log 26395

This theorem is referenced by: logcnlem5 26484

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