dvacos - Mathbox for Brendan Leahy

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Theorem dvacos 36562

Description: Derivative of arccosine. (Contributed by Brendan Leahy, 18-Dec-2018.)

**Hypothesis**
Ref	Expression
dvasin.d	⊢ 𝐷 = (ℂ ∖ ((-∞(,]-1) ∪ (1[,)+∞)))

**Assertion**
Ref	Expression
dvacos	⊢ (ℂ D (arccos ↾ 𝐷)) = (𝑥 ∈ 𝐷 ↦ (-1 / (√‘(1 − (𝑥↑2)))))

Distinct variable group: 𝑥,𝐷

**Proof of Theorem dvacos**
Step	Hyp	Ref	Expression
1		df-acos 26361	. . . . 5 ⊢ arccos = (𝑥 ∈ ℂ ↦ ((π / 2) − (arcsin‘𝑥)))
2	1	reseq1i 5976	. . . 4 ⊢ (arccos ↾ 𝐷) = ((𝑥 ∈ ℂ ↦ ((π / 2) − (arcsin‘𝑥))) ↾ 𝐷)
3		dvasin.d	. . . . . 6 ⊢ 𝐷 = (ℂ ∖ ((-∞(,]-1) ∪ (1[,)+∞)))
4		difss 4131	. . . . . 6 ⊢ (ℂ ∖ ((-∞(,]-1) ∪ (1[,)+∞))) ⊆ ℂ
5	3, 4	eqsstri 4016	. . . . 5 ⊢ 𝐷 ⊆ ℂ
6		resmpt 6036	. . . . 5 ⊢ (𝐷 ⊆ ℂ → ((𝑥 ∈ ℂ ↦ ((π / 2) − (arcsin‘𝑥))) ↾ 𝐷) = (𝑥 ∈ 𝐷 ↦ ((π / 2) − (arcsin‘𝑥))))
7	5, 6	ax-mp 5	. . . 4 ⊢ ((𝑥 ∈ ℂ ↦ ((π / 2) − (arcsin‘𝑥))) ↾ 𝐷) = (𝑥 ∈ 𝐷 ↦ ((π / 2) − (arcsin‘𝑥)))
8	2, 7	eqtri 2761	. . 3 ⊢ (arccos ↾ 𝐷) = (𝑥 ∈ 𝐷 ↦ ((π / 2) − (arcsin‘𝑥)))
9	8	oveq2i 7417	. 2 ⊢ (ℂ D (arccos ↾ 𝐷)) = (ℂ D (𝑥 ∈ 𝐷 ↦ ((π / 2) − (arcsin‘𝑥))))
10		cnelprrecn 11200	. . . . 5 ⊢ ℂ ∈ {ℝ, ℂ}
11	10	a1i 11	. . . 4 ⊢ (⊤ → ℂ ∈ {ℝ, ℂ})
12		halfpire 25966	. . . . . 6 ⊢ (π / 2) ∈ ℝ
13	12	recni 11225	. . . . 5 ⊢ (π / 2) ∈ ℂ
14	13	a1i 11	. . . 4 ⊢ ((⊤ ∧ 𝑥 ∈ 𝐷) → (π / 2) ∈ ℂ)
15		c0ex 11205	. . . . 5 ⊢ 0 ∈ V
16	15	a1i 11	. . . 4 ⊢ ((⊤ ∧ 𝑥 ∈ 𝐷) → 0 ∈ V)
17	13	a1i 11	. . . . 5 ⊢ ((⊤ ∧ 𝑥 ∈ ℂ) → (π / 2) ∈ ℂ)
18	15	a1i 11	. . . . 5 ⊢ ((⊤ ∧ 𝑥 ∈ ℂ) → 0 ∈ V)
19	13	a1i 11	. . . . . 6 ⊢ (⊤ → (π / 2) ∈ ℂ)
20	11, 19	dvmptc 25467	. . . . 5 ⊢ (⊤ → (ℂ D (𝑥 ∈ ℂ ↦ (π / 2))) = (𝑥 ∈ ℂ ↦ 0))
21	5	a1i 11	. . . . 5 ⊢ (⊤ → 𝐷 ⊆ ℂ)
22		eqid 2733	. . . . . . 7 ⊢ (TopOpen‘ℂ_fld) = (TopOpen‘ℂ_fld)
23	22	cnfldtopon 24291	. . . . . 6 ⊢ (TopOpen‘ℂ_fld) ∈ (TopOn‘ℂ)
24	23	toponrestid 22415	. . . . 5 ⊢ (TopOpen‘ℂ_fld) = ((TopOpen‘ℂ_fld) ↾_t ℂ)
25	22	recld2 24322	. . . . . . . . . 10 ⊢ ℝ ∈ (Clsd‘(TopOpen‘ℂ_fld))
26		neg1rr 12324	. . . . . . . . . . . 12 ⊢ -1 ∈ ℝ
27		iocmnfcld 24277	. . . . . . . . . . . 12 ⊢ (-1 ∈ ℝ → (-∞(,]-1) ∈ (Clsd‘(topGen‘ran (,))))
28	26, 27	ax-mp 5	. . . . . . . . . . 11 ⊢ (-∞(,]-1) ∈ (Clsd‘(topGen‘ran (,)))
29	22	tgioo2 24311	. . . . . . . . . . . 12 ⊢ (topGen‘ran (,)) = ((TopOpen‘ℂ_fld) ↾_t ℝ)
30	29	fveq2i 6892	. . . . . . . . . . 11 ⊢ (Clsd‘(topGen‘ran (,))) = (Clsd‘((TopOpen‘ℂ_fld) ↾_t ℝ))
31	28, 30	eleqtri 2832	. . . . . . . . . 10 ⊢ (-∞(,]-1) ∈ (Clsd‘((TopOpen‘ℂ_fld) ↾_t ℝ))
32		restcldr 22670	. . . . . . . . . 10 ⊢ ((ℝ ∈ (Clsd‘(TopOpen‘ℂ_fld)) ∧ (-∞(,]-1) ∈ (Clsd‘((TopOpen‘ℂ_fld) ↾_t ℝ))) → (-∞(,]-1) ∈ (Clsd‘(TopOpen‘ℂ_fld)))
33	25, 31, 32	mp2an 691	. . . . . . . . 9 ⊢ (-∞(,]-1) ∈ (Clsd‘(TopOpen‘ℂ_fld))
34		1re 11211	. . . . . . . . . . . 12 ⊢ 1 ∈ ℝ
35		icopnfcld 24276	. . . . . . . . . . . 12 ⊢ (1 ∈ ℝ → (1[,)+∞) ∈ (Clsd‘(topGen‘ran (,))))
36	34, 35	ax-mp 5	. . . . . . . . . . 11 ⊢ (1[,)+∞) ∈ (Clsd‘(topGen‘ran (,)))
37	36, 30	eleqtri 2832	. . . . . . . . . 10 ⊢ (1[,)+∞) ∈ (Clsd‘((TopOpen‘ℂ_fld) ↾_t ℝ))
38		restcldr 22670	. . . . . . . . . 10 ⊢ ((ℝ ∈ (Clsd‘(TopOpen‘ℂ_fld)) ∧ (1[,)+∞) ∈ (Clsd‘((TopOpen‘ℂ_fld) ↾_t ℝ))) → (1[,)+∞) ∈ (Clsd‘(TopOpen‘ℂ_fld)))
39	25, 37, 38	mp2an 691	. . . . . . . . 9 ⊢ (1[,)+∞) ∈ (Clsd‘(TopOpen‘ℂ_fld))
40		uncld 22537	. . . . . . . . 9 ⊢ (((-∞(,]-1) ∈ (Clsd‘(TopOpen‘ℂ_fld)) ∧ (1[,)+∞) ∈ (Clsd‘(TopOpen‘ℂ_fld))) → ((-∞(,]-1) ∪ (1[,)+∞)) ∈ (Clsd‘(TopOpen‘ℂ_fld)))
41	33, 39, 40	mp2an 691	. . . . . . . 8 ⊢ ((-∞(,]-1) ∪ (1[,)+∞)) ∈ (Clsd‘(TopOpen‘ℂ_fld))
42	23	toponunii 22410	. . . . . . . . 9 ⊢ ℂ = ∪ (TopOpen‘ℂ_fld)
43	42	cldopn 22527	. . . . . . . 8 ⊢ (((-∞(,]-1) ∪ (1[,)+∞)) ∈ (Clsd‘(TopOpen‘ℂ_fld)) → (ℂ ∖ ((-∞(,]-1) ∪ (1[,)+∞))) ∈ (TopOpen‘ℂ_fld))
44	41, 43	ax-mp 5	. . . . . . 7 ⊢ (ℂ ∖ ((-∞(,]-1) ∪ (1[,)+∞))) ∈ (TopOpen‘ℂ_fld)
45	3, 44	eqeltri 2830	. . . . . 6 ⊢ 𝐷 ∈ (TopOpen‘ℂ_fld)
46	45	a1i 11	. . . . 5 ⊢ (⊤ → 𝐷 ∈ (TopOpen‘ℂ_fld))
47	11, 17, 18, 20, 21, 24, 22, 46	dvmptres 25472	. . . 4 ⊢ (⊤ → (ℂ D (𝑥 ∈ 𝐷 ↦ (π / 2))) = (𝑥 ∈ 𝐷 ↦ 0))
48	5	sseli 3978	. . . . . 6 ⊢ (𝑥 ∈ 𝐷 → 𝑥 ∈ ℂ)
49		asincl 26368	. . . . . 6 ⊢ (𝑥 ∈ ℂ → (arcsin‘𝑥) ∈ ℂ)
50	48, 49	syl 17	. . . . 5 ⊢ (𝑥 ∈ 𝐷 → (arcsin‘𝑥) ∈ ℂ)
51	50	adantl 483	. . . 4 ⊢ ((⊤ ∧ 𝑥 ∈ 𝐷) → (arcsin‘𝑥) ∈ ℂ)
52		ovexd 7441	. . . 4 ⊢ ((⊤ ∧ 𝑥 ∈ 𝐷) → (1 / (√‘(1 − (𝑥↑2)))) ∈ V)
53		asinf 26367	. . . . . . . 8 ⊢ arcsin:ℂ⟶ℂ
54	53	a1i 11	. . . . . . 7 ⊢ (⊤ → arcsin:ℂ⟶ℂ)
55	54, 21	feqresmpt 6959	. . . . . 6 ⊢ (⊤ → (arcsin ↾ 𝐷) = (𝑥 ∈ 𝐷 ↦ (arcsin‘𝑥)))
56	55	oveq2d 7422	. . . . 5 ⊢ (⊤ → (ℂ D (arcsin ↾ 𝐷)) = (ℂ D (𝑥 ∈ 𝐷 ↦ (arcsin‘𝑥))))
57	3	dvasin 36561	. . . . 5 ⊢ (ℂ D (arcsin ↾ 𝐷)) = (𝑥 ∈ 𝐷 ↦ (1 / (√‘(1 − (𝑥↑2)))))
58	56, 57	eqtr3di 2788	. . . 4 ⊢ (⊤ → (ℂ D (𝑥 ∈ 𝐷 ↦ (arcsin‘𝑥))) = (𝑥 ∈ 𝐷 ↦ (1 / (√‘(1 − (𝑥↑2))))))
59	11, 14, 16, 47, 51, 52, 58	dvmptsub 25476	. . 3 ⊢ (⊤ → (ℂ D (𝑥 ∈ 𝐷 ↦ ((π / 2) − (arcsin‘𝑥)))) = (𝑥 ∈ 𝐷 ↦ (0 − (1 / (√‘(1 − (𝑥↑2)))))))
60	59	mptru 1549	. 2 ⊢ (ℂ D (𝑥 ∈ 𝐷 ↦ ((π / 2) − (arcsin‘𝑥)))) = (𝑥 ∈ 𝐷 ↦ (0 − (1 / (√‘(1 − (𝑥↑2))))))
61		df-neg 11444	. . . 4 ⊢ -(1 / (√‘(1 − (𝑥↑2)))) = (0 − (1 / (√‘(1 − (𝑥↑2)))))
62		1cnd 11206	. . . . 5 ⊢ (𝑥 ∈ 𝐷 → 1 ∈ ℂ)
63		ax-1cn 11165	. . . . . . 7 ⊢ 1 ∈ ℂ
64	48	sqcld 14106	. . . . . . 7 ⊢ (𝑥 ∈ 𝐷 → (𝑥↑2) ∈ ℂ)
65		subcl 11456	. . . . . . 7 ⊢ ((1 ∈ ℂ ∧ (𝑥↑2) ∈ ℂ) → (1 − (𝑥↑2)) ∈ ℂ)
66	63, 64, 65	sylancr 588	. . . . . 6 ⊢ (𝑥 ∈ 𝐷 → (1 − (𝑥↑2)) ∈ ℂ)
67	66	sqrtcld 15381	. . . . 5 ⊢ (𝑥 ∈ 𝐷 → (√‘(1 − (𝑥↑2))) ∈ ℂ)
68		eldifn 4127	. . . . . . . 8 ⊢ (𝑥 ∈ (ℂ ∖ ((-∞(,]-1) ∪ (1[,)+∞))) → ¬ 𝑥 ∈ ((-∞(,]-1) ∪ (1[,)+∞)))
69	68, 3	eleq2s 2852	. . . . . . 7 ⊢ (𝑥 ∈ 𝐷 → ¬ 𝑥 ∈ ((-∞(,]-1) ∪ (1[,)+∞)))
70		mnfxr 11268	. . . . . . . . . . . 12 ⊢ -∞ ∈ ℝ^*
71	26	rexri 11269	. . . . . . . . . . . 12 ⊢ -1 ∈ ℝ^*
72		mnflt 13100	. . . . . . . . . . . . 13 ⊢ (-1 ∈ ℝ → -∞ < -1)
73	26, 72	ax-mp 5	. . . . . . . . . . . 12 ⊢ -∞ < -1
74		ubioc1 13374	. . . . . . . . . . . 12 ⊢ ((-∞ ∈ ℝ^* ∧ -1 ∈ ℝ^* ∧ -∞ < -1) → -1 ∈ (-∞(,]-1))
75	70, 71, 73, 74	mp3an 1462	. . . . . . . . . . 11 ⊢ -1 ∈ (-∞(,]-1)
76		eleq1 2822	. . . . . . . . . . 11 ⊢ (𝑥 = -1 → (𝑥 ∈ (-∞(,]-1) ↔ -1 ∈ (-∞(,]-1)))
77	75, 76	mpbiri 258	. . . . . . . . . 10 ⊢ (𝑥 = -1 → 𝑥 ∈ (-∞(,]-1))
78	34	rexri 11269	. . . . . . . . . . . 12 ⊢ 1 ∈ ℝ^*
79		pnfxr 11265	. . . . . . . . . . . 12 ⊢ +∞ ∈ ℝ^*
80		ltpnf 13097	. . . . . . . . . . . . 13 ⊢ (1 ∈ ℝ → 1 < +∞)
81	34, 80	ax-mp 5	. . . . . . . . . . . 12 ⊢ 1 < +∞
82		lbico1 13375	. . . . . . . . . . . 12 ⊢ ((1 ∈ ℝ^* ∧ +∞ ∈ ℝ^* ∧ 1 < +∞) → 1 ∈ (1[,)+∞))
83	78, 79, 81, 82	mp3an 1462	. . . . . . . . . . 11 ⊢ 1 ∈ (1[,)+∞)
84		eleq1 2822	. . . . . . . . . . 11 ⊢ (𝑥 = 1 → (𝑥 ∈ (1[,)+∞) ↔ 1 ∈ (1[,)+∞)))
85	83, 84	mpbiri 258	. . . . . . . . . 10 ⊢ (𝑥 = 1 → 𝑥 ∈ (1[,)+∞))
86	77, 85	orim12i 908	. . . . . . . . 9 ⊢ ((𝑥 = -1 ∨ 𝑥 = 1) → (𝑥 ∈ (-∞(,]-1) ∨ 𝑥 ∈ (1[,)+∞)))
87	86	orcoms 871	. . . . . . . 8 ⊢ ((𝑥 = 1 ∨ 𝑥 = -1) → (𝑥 ∈ (-∞(,]-1) ∨ 𝑥 ∈ (1[,)+∞)))
88		elun 4148	. . . . . . . 8 ⊢ (𝑥 ∈ ((-∞(,]-1) ∪ (1[,)+∞)) ↔ (𝑥 ∈ (-∞(,]-1) ∨ 𝑥 ∈ (1[,)+∞)))
89	87, 88	sylibr 233	. . . . . . 7 ⊢ ((𝑥 = 1 ∨ 𝑥 = -1) → 𝑥 ∈ ((-∞(,]-1) ∪ (1[,)+∞)))
90	69, 89	nsyl 140	. . . . . 6 ⊢ (𝑥 ∈ 𝐷 → ¬ (𝑥 = 1 ∨ 𝑥 = -1))
91		sq1 14156	. . . . . . . . . 10 ⊢ (1↑2) = 1
92		1cnd 11206	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ ℂ ∧ (√‘(1 − (𝑥↑2))) = 0) → 1 ∈ ℂ)
93		sqcl 14080	. . . . . . . . . . . 12 ⊢ (𝑥 ∈ ℂ → (𝑥↑2) ∈ ℂ)
94	93	adantr 482	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ ℂ ∧ (√‘(1 − (𝑥↑2))) = 0) → (𝑥↑2) ∈ ℂ)
95	63, 93, 65	sylancr 588	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ ℂ → (1 − (𝑥↑2)) ∈ ℂ)
96	95	adantr 482	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℂ ∧ (√‘(1 − (𝑥↑2))) = 0) → (1 − (𝑥↑2)) ∈ ℂ)
97		simpr 486	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℂ ∧ (√‘(1 − (𝑥↑2))) = 0) → (√‘(1 − (𝑥↑2))) = 0)
98	96, 97	sqr00d 15385	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ ℂ ∧ (√‘(1 − (𝑥↑2))) = 0) → (1 − (𝑥↑2)) = 0)
99	92, 94, 98	subeq0d 11576	. . . . . . . . . 10 ⊢ ((𝑥 ∈ ℂ ∧ (√‘(1 − (𝑥↑2))) = 0) → 1 = (𝑥↑2))
100	91, 99	eqtr2id 2786	. . . . . . . . 9 ⊢ ((𝑥 ∈ ℂ ∧ (√‘(1 − (𝑥↑2))) = 0) → (𝑥↑2) = (1↑2))
101	100	ex 414	. . . . . . . 8 ⊢ (𝑥 ∈ ℂ → ((√‘(1 − (𝑥↑2))) = 0 → (𝑥↑2) = (1↑2)))
102		sqeqor 14177	. . . . . . . . 9 ⊢ ((𝑥 ∈ ℂ ∧ 1 ∈ ℂ) → ((𝑥↑2) = (1↑2) ↔ (𝑥 = 1 ∨ 𝑥 = -1)))
103	63, 102	mpan2 690	. . . . . . . 8 ⊢ (𝑥 ∈ ℂ → ((𝑥↑2) = (1↑2) ↔ (𝑥 = 1 ∨ 𝑥 = -1)))
104	101, 103	sylibd 238	. . . . . . 7 ⊢ (𝑥 ∈ ℂ → ((√‘(1 − (𝑥↑2))) = 0 → (𝑥 = 1 ∨ 𝑥 = -1)))
105	104	necon3bd 2955	. . . . . 6 ⊢ (𝑥 ∈ ℂ → (¬ (𝑥 = 1 ∨ 𝑥 = -1) → (√‘(1 − (𝑥↑2))) ≠ 0))
106	48, 90, 105	sylc 65	. . . . 5 ⊢ (𝑥 ∈ 𝐷 → (√‘(1 − (𝑥↑2))) ≠ 0)
107	62, 67, 106	divnegd 12000	. . . 4 ⊢ (𝑥 ∈ 𝐷 → -(1 / (√‘(1 − (𝑥↑2)))) = (-1 / (√‘(1 − (𝑥↑2)))))
108	61, 107	eqtr3id 2787	. . 3 ⊢ (𝑥 ∈ 𝐷 → (0 − (1 / (√‘(1 − (𝑥↑2))))) = (-1 / (√‘(1 − (𝑥↑2)))))
109	108	mpteq2ia 5251	. 2 ⊢ (𝑥 ∈ 𝐷 ↦ (0 − (1 / (√‘(1 − (𝑥↑2)))))) = (𝑥 ∈ 𝐷 ↦ (-1 / (√‘(1 − (𝑥↑2)))))
110	9, 60, 109	3eqtri 2765	1 ⊢ (ℂ D (arccos ↾ 𝐷)) = (𝑥 ∈ 𝐷 ↦ (-1 / (√‘(1 − (𝑥↑2)))))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 ↔ wb 205 ∧ wa 397 ∨ wo 846 = wceq 1542 ⊤wtru 1543 ∈ wcel 2107 ≠ wne 2941 Vcvv 3475 ∖ cdif 3945 ∪ cun 3946 ⊆ wss 3948 {cpr 4630 class class class wbr 5148 ↦ cmpt 5231 ran crn 5677 ↾ cres 5678 ⟶wf 6537 ‘cfv 6541 (class class class)co 7406 ℂcc 11105 ℝcr 11106 0cc0 11107 1c1 11108 +∞cpnf 11242 -∞cmnf 11243 ℝ^*cxr 11244 < clt 11245 − cmin 11441 -cneg 11442 / cdiv 11868 2c2 12264 (,)cioo 13321 (,]cioc 13322 [,)cico 13323 ↑cexp 14024 √csqrt 15177 πcpi 16007 ↾_t crest 17363 TopOpenctopn 17364 topGenctg 17380 ℂ_fldccnfld 20937 Clsdccld 22512 D cdv 25372 arcsincasin 26357 arccoscacos 26358

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2704 ax-rep 5285 ax-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 ax-un 7722 ax-inf2 9633 ax-cnex 11163 ax-resscn 11164 ax-1cn 11165 ax-icn 11166 ax-addcl 11167 ax-addrcl 11168 ax-mulcl 11169 ax-mulrcl 11170 ax-mulcom 11171 ax-addass 11172 ax-mulass 11173 ax-distr 11174 ax-i2m1 11175 ax-1ne0 11176 ax-1rid 11177 ax-rnegex 11178 ax-rrecex 11179 ax-cnre 11180 ax-pre-lttri 11181 ax-pre-lttrn 11182 ax-pre-ltadd 11183 ax-pre-mulgt0 11184 ax-pre-sup 11185 ax-addf 11186 ax-mulf 11187

This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2535 df-eu 2564 df-clab 2711 df-cleq 2725 df-clel 2811 df-nfc 2886 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3377 df-reu 3378 df-rab 3434 df-v 3477 df-sbc 3778 df-csb 3894 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-pss 3967 df-nul 4323 df-if 4529 df-pw 4604 df-sn 4629 df-pr 4631 df-tp 4633 df-op 4635 df-uni 4909 df-int 4951 df-iun 4999 df-iin 5000 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5574 df-eprel 5580 df-po 5588 df-so 5589 df-fr 5631 df-se 5632 df-we 5633 df-xp 5682 df-rel 5683 df-cnv 5684 df-co 5685 df-dm 5686 df-rn 5687 df-res 5688 df-ima 5689 df-pred 6298 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6493 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-isom 6550 df-riota 7362 df-ov 7409 df-oprab 7410 df-mpo 7411 df-of 7667 df-om 7853 df-1st 7972 df-2nd 7973 df-supp 8144 df-frecs 8263 df-wrecs 8294 df-recs 8368 df-rdg 8407 df-1o 8463 df-2o 8464 df-er 8700 df-map 8819 df-pm 8820 df-ixp 8889 df-en 8937 df-dom 8938 df-sdom 8939 df-fin 8940 df-fsupp 9359 df-fi 9403 df-sup 9434 df-inf 9435 df-oi 9502 df-card 9931 df-pnf 11247 df-mnf 11248 df-xr 11249 df-ltxr 11250 df-le 11251 df-sub 11443 df-neg 11444 df-div 11869 df-nn 12210 df-2 12272 df-3 12273 df-4 12274 df-5 12275 df-6 12276 df-7 12277 df-8 12278 df-9 12279 df-n0 12470 df-z 12556 df-dec 12675 df-uz 12820 df-q 12930 df-rp 12972 df-xneg 13089 df-xadd 13090 df-xmul 13091 df-ioo 13325 df-ioc 13326 df-ico 13327 df-icc 13328 df-fz 13482 df-fzo 13625 df-fl 13754 df-mod 13832 df-seq 13964 df-exp 14025 df-fac 14231 df-bc 14260 df-hash 14288 df-shft 15011 df-cj 15043 df-re 15044 df-im 15045 df-sqrt 15179 df-abs 15180 df-limsup 15412 df-clim 15429 df-rlim 15430 df-sum 15630 df-ef 16008 df-sin 16010 df-cos 16011 df-tan 16012 df-pi 16013 df-struct 17077 df-sets 17094 df-slot 17112 df-ndx 17124 df-base 17142 df-ress 17171 df-plusg 17207 df-mulr 17208 df-starv 17209 df-sca 17210 df-vsca 17211 df-ip 17212 df-tset 17213 df-ple 17214 df-ds 17216 df-unif 17217 df-hom 17218 df-cco 17219 df-rest 17365 df-topn 17366 df-0g 17384 df-gsum 17385 df-topgen 17386 df-pt 17387 df-prds 17390 df-xrs 17445 df-qtop 17450 df-imas 17451 df-xps 17453 df-mre 17527 df-mrc 17528 df-acs 17530 df-mgm 18558 df-sgrp 18607 df-mnd 18623 df-submnd 18669 df-mulg 18946 df-cntz 19176 df-cmn 19645 df-psmet 20929 df-xmet 20930 df-met 20931 df-bl 20932 df-mopn 20933 df-fbas 20934 df-fg 20935 df-cnfld 20938 df-top 22388 df-topon 22405 df-topsp 22427 df-bases 22441 df-cld 22515 df-ntr 22516 df-cls 22517 df-nei 22594 df-lp 22632 df-perf 22633 df-cn 22723 df-cnp 22724 df-haus 22811 df-cmp 22883 df-tx 23058 df-hmeo 23251 df-fil 23342 df-fm 23434 df-flim 23435 df-flf 23436 df-xms 23818 df-ms 23819 df-tms 23820 df-cncf 24386 df-limc 25375 df-dv 25376 df-log 26057 df-cxp 26058 df-asin 26360 df-acos 26361

This theorem is referenced by: dvreacos 36564

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