dvacos - Mathbox for Brendan Leahy

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Theorem dvacos 37037

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 26712	. . . . 5 ⊢ arccos = (𝑥 ∈ ℂ ↦ ((π / 2) − (arcsin‘𝑥)))
2	1	reseq1i 5977	. . . 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 6037	. . . . 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 2759	. . 3 ⊢ (arccos ↾ 𝐷) = (𝑥 ∈ 𝐷 ↦ ((π / 2) − (arcsin‘𝑥)))
9	8	oveq2i 7423	. 2 ⊢ (ℂ D (arccos ↾ 𝐷)) = (ℂ D (𝑥 ∈ 𝐷 ↦ ((π / 2) − (arcsin‘𝑥))))
10		cnelprrecn 11209	. . . . 5 ⊢ ℂ ∈ {ℝ, ℂ}
11	10	a1i 11	. . . 4 ⊢ (⊤ → ℂ ∈ {ℝ, ℂ})
12		halfpire 26314	. . . . . 6 ⊢ (π / 2) ∈ ℝ
13	12	recni 11235	. . . . 5 ⊢ (π / 2) ∈ ℂ
14	13	a1i 11	. . . 4 ⊢ ((⊤ ∧ 𝑥 ∈ 𝐷) → (π / 2) ∈ ℂ)
15		c0ex 11215	. . . . 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 25810	. . . . 5 ⊢ (⊤ → (ℂ D (𝑥 ∈ ℂ ↦ (π / 2))) = (𝑥 ∈ ℂ ↦ 0))
21	5	a1i 11	. . . . 5 ⊢ (⊤ → 𝐷 ⊆ ℂ)
22		eqid 2731	. . . . . . 7 ⊢ (TopOpen‘ℂ_fld) = (TopOpen‘ℂ_fld)
23	22	cnfldtopon 24619	. . . . . 6 ⊢ (TopOpen‘ℂ_fld) ∈ (TopOn‘ℂ)
24	23	toponrestid 22743	. . . . 5 ⊢ (TopOpen‘ℂ_fld) = ((TopOpen‘ℂ_fld) ↾_t ℂ)
25	22	recld2 24650	. . . . . . . . . 10 ⊢ ℝ ∈ (Clsd‘(TopOpen‘ℂ_fld))
26		neg1rr 12334	. . . . . . . . . . . 12 ⊢ -1 ∈ ℝ
27		iocmnfcld 24605	. . . . . . . . . . . 12 ⊢ (-1 ∈ ℝ → (-∞(,]-1) ∈ (Clsd‘(topGen‘ran (,))))
28	26, 27	ax-mp 5	. . . . . . . . . . 11 ⊢ (-∞(,]-1) ∈ (Clsd‘(topGen‘ran (,)))
29	22	tgioo2 24639	. . . . . . . . . . . 12 ⊢ (topGen‘ran (,)) = ((TopOpen‘ℂ_fld) ↾_t ℝ)
30	29	fveq2i 6894	. . . . . . . . . . 11 ⊢ (Clsd‘(topGen‘ran (,))) = (Clsd‘((TopOpen‘ℂ_fld) ↾_t ℝ))
31	28, 30	eleqtri 2830	. . . . . . . . . 10 ⊢ (-∞(,]-1) ∈ (Clsd‘((TopOpen‘ℂ_fld) ↾_t ℝ))
32		restcldr 22998	. . . . . . . . . 10 ⊢ ((ℝ ∈ (Clsd‘(TopOpen‘ℂ_fld)) ∧ (-∞(,]-1) ∈ (Clsd‘((TopOpen‘ℂ_fld) ↾_t ℝ))) → (-∞(,]-1) ∈ (Clsd‘(TopOpen‘ℂ_fld)))
33	25, 31, 32	mp2an 689	. . . . . . . . 9 ⊢ (-∞(,]-1) ∈ (Clsd‘(TopOpen‘ℂ_fld))
34		1re 11221	. . . . . . . . . . . 12 ⊢ 1 ∈ ℝ
35		icopnfcld 24604	. . . . . . . . . . . 12 ⊢ (1 ∈ ℝ → (1[,)+∞) ∈ (Clsd‘(topGen‘ran (,))))
36	34, 35	ax-mp 5	. . . . . . . . . . 11 ⊢ (1[,)+∞) ∈ (Clsd‘(topGen‘ran (,)))
37	36, 30	eleqtri 2830	. . . . . . . . . 10 ⊢ (1[,)+∞) ∈ (Clsd‘((TopOpen‘ℂ_fld) ↾_t ℝ))
38		restcldr 22998	. . . . . . . . . 10 ⊢ ((ℝ ∈ (Clsd‘(TopOpen‘ℂ_fld)) ∧ (1[,)+∞) ∈ (Clsd‘((TopOpen‘ℂ_fld) ↾_t ℝ))) → (1[,)+∞) ∈ (Clsd‘(TopOpen‘ℂ_fld)))
39	25, 37, 38	mp2an 689	. . . . . . . . 9 ⊢ (1[,)+∞) ∈ (Clsd‘(TopOpen‘ℂ_fld))
40		uncld 22865	. . . . . . . . 9 ⊢ (((-∞(,]-1) ∈ (Clsd‘(TopOpen‘ℂ_fld)) ∧ (1[,)+∞) ∈ (Clsd‘(TopOpen‘ℂ_fld))) → ((-∞(,]-1) ∪ (1[,)+∞)) ∈ (Clsd‘(TopOpen‘ℂ_fld)))
41	33, 39, 40	mp2an 689	. . . . . . . 8 ⊢ ((-∞(,]-1) ∪ (1[,)+∞)) ∈ (Clsd‘(TopOpen‘ℂ_fld))
42	23	toponunii 22738	. . . . . . . . 9 ⊢ ℂ = ∪ (TopOpen‘ℂ_fld)
43	42	cldopn 22855	. . . . . . . 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 2828	. . . . . 6 ⊢ 𝐷 ∈ (TopOpen‘ℂ_fld)
46	45	a1i 11	. . . . 5 ⊢ (⊤ → 𝐷 ∈ (TopOpen‘ℂ_fld))
47	11, 17, 18, 20, 21, 24, 22, 46	dvmptres 25815	. . . 4 ⊢ (⊤ → (ℂ D (𝑥 ∈ 𝐷 ↦ (π / 2))) = (𝑥 ∈ 𝐷 ↦ 0))
48	5	sseli 3978	. . . . . 6 ⊢ (𝑥 ∈ 𝐷 → 𝑥 ∈ ℂ)
49		asincl 26719	. . . . . 6 ⊢ (𝑥 ∈ ℂ → (arcsin‘𝑥) ∈ ℂ)
50	48, 49	syl 17	. . . . 5 ⊢ (𝑥 ∈ 𝐷 → (arcsin‘𝑥) ∈ ℂ)
51	50	adantl 481	. . . 4 ⊢ ((⊤ ∧ 𝑥 ∈ 𝐷) → (arcsin‘𝑥) ∈ ℂ)
52		ovexd 7447	. . . 4 ⊢ ((⊤ ∧ 𝑥 ∈ 𝐷) → (1 / (√‘(1 − (𝑥↑2)))) ∈ V)
53		asinf 26718	. . . . . . . 8 ⊢ arcsin:ℂ⟶ℂ
54	53	a1i 11	. . . . . . 7 ⊢ (⊤ → arcsin:ℂ⟶ℂ)
55	54, 21	feqresmpt 6961	. . . . . 6 ⊢ (⊤ → (arcsin ↾ 𝐷) = (𝑥 ∈ 𝐷 ↦ (arcsin‘𝑥)))
56	55	oveq2d 7428	. . . . 5 ⊢ (⊤ → (ℂ D (arcsin ↾ 𝐷)) = (ℂ D (𝑥 ∈ 𝐷 ↦ (arcsin‘𝑥))))
57	3	dvasin 37036	. . . . 5 ⊢ (ℂ D (arcsin ↾ 𝐷)) = (𝑥 ∈ 𝐷 ↦ (1 / (√‘(1 − (𝑥↑2)))))
58	56, 57	eqtr3di 2786	. . . 4 ⊢ (⊤ → (ℂ D (𝑥 ∈ 𝐷 ↦ (arcsin‘𝑥))) = (𝑥 ∈ 𝐷 ↦ (1 / (√‘(1 − (𝑥↑2))))))
59	11, 14, 16, 47, 51, 52, 58	dvmptsub 25819	. . 3 ⊢ (⊤ → (ℂ D (𝑥 ∈ 𝐷 ↦ ((π / 2) − (arcsin‘𝑥)))) = (𝑥 ∈ 𝐷 ↦ (0 − (1 / (√‘(1 − (𝑥↑2)))))))
60	59	mptru 1547	. 2 ⊢ (ℂ D (𝑥 ∈ 𝐷 ↦ ((π / 2) − (arcsin‘𝑥)))) = (𝑥 ∈ 𝐷 ↦ (0 − (1 / (√‘(1 − (𝑥↑2))))))
61		df-neg 11454	. . . 4 ⊢ -(1 / (√‘(1 − (𝑥↑2)))) = (0 − (1 / (√‘(1 − (𝑥↑2)))))
62		1cnd 11216	. . . . 5 ⊢ (𝑥 ∈ 𝐷 → 1 ∈ ℂ)
63		ax-1cn 11174	. . . . . . 7 ⊢ 1 ∈ ℂ
64	48	sqcld 14116	. . . . . . 7 ⊢ (𝑥 ∈ 𝐷 → (𝑥↑2) ∈ ℂ)
65		subcl 11466	. . . . . . 7 ⊢ ((1 ∈ ℂ ∧ (𝑥↑2) ∈ ℂ) → (1 − (𝑥↑2)) ∈ ℂ)
66	63, 64, 65	sylancr 586	. . . . . 6 ⊢ (𝑥 ∈ 𝐷 → (1 − (𝑥↑2)) ∈ ℂ)
67	66	sqrtcld 15391	. . . . 5 ⊢ (𝑥 ∈ 𝐷 → (√‘(1 − (𝑥↑2))) ∈ ℂ)
68		eldifn 4127	. . . . . . . 8 ⊢ (𝑥 ∈ (ℂ ∖ ((-∞(,]-1) ∪ (1[,)+∞))) → ¬ 𝑥 ∈ ((-∞(,]-1) ∪ (1[,)+∞)))
69	68, 3	eleq2s 2850	. . . . . . 7 ⊢ (𝑥 ∈ 𝐷 → ¬ 𝑥 ∈ ((-∞(,]-1) ∪ (1[,)+∞)))
70		mnfxr 11278	. . . . . . . . . . . 12 ⊢ -∞ ∈ ℝ^*
71	26	rexri 11279	. . . . . . . . . . . 12 ⊢ -1 ∈ ℝ^*
72		mnflt 13110	. . . . . . . . . . . . 13 ⊢ (-1 ∈ ℝ → -∞ < -1)
73	26, 72	ax-mp 5	. . . . . . . . . . . 12 ⊢ -∞ < -1
74		ubioc1 13384	. . . . . . . . . . . 12 ⊢ ((-∞ ∈ ℝ^* ∧ -1 ∈ ℝ^* ∧ -∞ < -1) → -1 ∈ (-∞(,]-1))
75	70, 71, 73, 74	mp3an 1460	. . . . . . . . . . 11 ⊢ -1 ∈ (-∞(,]-1)
76		eleq1 2820	. . . . . . . . . . 11 ⊢ (𝑥 = -1 → (𝑥 ∈ (-∞(,]-1) ↔ -1 ∈ (-∞(,]-1)))
77	75, 76	mpbiri 258	. . . . . . . . . 10 ⊢ (𝑥 = -1 → 𝑥 ∈ (-∞(,]-1))
78	34	rexri 11279	. . . . . . . . . . . 12 ⊢ 1 ∈ ℝ^*
79		pnfxr 11275	. . . . . . . . . . . 12 ⊢ +∞ ∈ ℝ^*
80		ltpnf 13107	. . . . . . . . . . . . 13 ⊢ (1 ∈ ℝ → 1 < +∞)
81	34, 80	ax-mp 5	. . . . . . . . . . . 12 ⊢ 1 < +∞
82		lbico1 13385	. . . . . . . . . . . 12 ⊢ ((1 ∈ ℝ^* ∧ +∞ ∈ ℝ^* ∧ 1 < +∞) → 1 ∈ (1[,)+∞))
83	78, 79, 81, 82	mp3an 1460	. . . . . . . . . . 11 ⊢ 1 ∈ (1[,)+∞)
84		eleq1 2820	. . . . . . . . . . 11 ⊢ (𝑥 = 1 → (𝑥 ∈ (1[,)+∞) ↔ 1 ∈ (1[,)+∞)))
85	83, 84	mpbiri 258	. . . . . . . . . 10 ⊢ (𝑥 = 1 → 𝑥 ∈ (1[,)+∞))
86	77, 85	orim12i 906	. . . . . . . . 9 ⊢ ((𝑥 = -1 ∨ 𝑥 = 1) → (𝑥 ∈ (-∞(,]-1) ∨ 𝑥 ∈ (1[,)+∞)))
87	86	orcoms 869	. . . . . . . 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 14166	. . . . . . . . . 10 ⊢ (1↑2) = 1
92		1cnd 11216	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ ℂ ∧ (√‘(1 − (𝑥↑2))) = 0) → 1 ∈ ℂ)
93		sqcl 14090	. . . . . . . . . . . 12 ⊢ (𝑥 ∈ ℂ → (𝑥↑2) ∈ ℂ)
94	93	adantr 480	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ ℂ ∧ (√‘(1 − (𝑥↑2))) = 0) → (𝑥↑2) ∈ ℂ)
95	63, 93, 65	sylancr 586	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ ℂ → (1 − (𝑥↑2)) ∈ ℂ)
96	95	adantr 480	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℂ ∧ (√‘(1 − (𝑥↑2))) = 0) → (1 − (𝑥↑2)) ∈ ℂ)
97		simpr 484	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℂ ∧ (√‘(1 − (𝑥↑2))) = 0) → (√‘(1 − (𝑥↑2))) = 0)
98	96, 97	sqr00d 15395	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ ℂ ∧ (√‘(1 − (𝑥↑2))) = 0) → (1 − (𝑥↑2)) = 0)
99	92, 94, 98	subeq0d 11586	. . . . . . . . . 10 ⊢ ((𝑥 ∈ ℂ ∧ (√‘(1 − (𝑥↑2))) = 0) → 1 = (𝑥↑2))
100	91, 99	eqtr2id 2784	. . . . . . . . 9 ⊢ ((𝑥 ∈ ℂ ∧ (√‘(1 − (𝑥↑2))) = 0) → (𝑥↑2) = (1↑2))
101	100	ex 412	. . . . . . . 8 ⊢ (𝑥 ∈ ℂ → ((√‘(1 − (𝑥↑2))) = 0 → (𝑥↑2) = (1↑2)))
102		sqeqor 14187	. . . . . . . . 9 ⊢ ((𝑥 ∈ ℂ ∧ 1 ∈ ℂ) → ((𝑥↑2) = (1↑2) ↔ (𝑥 = 1 ∨ 𝑥 = -1)))
103	63, 102	mpan2 688	. . . . . . . 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 2953	. . . . . 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 12010	. . . 4 ⊢ (𝑥 ∈ 𝐷 → -(1 / (√‘(1 − (𝑥↑2)))) = (-1 / (√‘(1 − (𝑥↑2)))))
108	61, 107	eqtr3id 2785	. . 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 2763	1 ⊢ (ℂ D (arccos ↾ 𝐷)) = (𝑥 ∈ 𝐷 ↦ (-1 / (√‘(1 − (𝑥↑2)))))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 ↔ wb 205 ∧ wa 395 ∨ wo 844 = wceq 1540 ⊤wtru 1541 ∈ wcel 2105 ≠ wne 2939 Vcvv 3473 ∖ cdif 3945 ∪ cun 3946 ⊆ wss 3948 {cpr 4630 class class class wbr 5148 ↦ cmpt 5231 ran crn 5677 ↾ cres 5678 ⟶wf 6539 ‘cfv 6543 (class class class)co 7412 ℂcc 11114 ℝcr 11115 0cc0 11116 1c1 11117 +∞cpnf 11252 -∞cmnf 11253 ℝ^*cxr 11254 < clt 11255 − cmin 11451 -cneg 11452 / cdiv 11878 2c2 12274 (,)cioo 13331 (,]cioc 13332 [,)cico 13333 ↑cexp 14034 √csqrt 15187 πcpi 16017 ↾_t crest 17373 TopOpenctopn 17374 topGenctg 17390 ℂ_fldccnfld 21233 Clsdccld 22840 D cdv 25712 arcsincasin 26708 arccoscacos 26709

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 2702 ax-rep 5285 ax-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 ax-un 7729 ax-inf2 9642 ax-cnex 11172 ax-resscn 11173 ax-1cn 11174 ax-icn 11175 ax-addcl 11176 ax-addrcl 11177 ax-mulcl 11178 ax-mulrcl 11179 ax-mulcom 11180 ax-addass 11181 ax-mulass 11182 ax-distr 11183 ax-i2m1 11184 ax-1ne0 11185 ax-1rid 11186 ax-rnegex 11187 ax-rrecex 11188 ax-cnre 11189 ax-pre-lttri 11190 ax-pre-lttrn 11191 ax-pre-ltadd 11192 ax-pre-mulgt0 11193 ax-pre-sup 11194 ax-addf 11195

This theorem depends on definitions: df-bi 206 df-an 396 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 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rmo 3375 df-reu 3376 df-rab 3432 df-v 3475 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 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-isom 6552 df-riota 7368 df-ov 7415 df-oprab 7416 df-mpo 7417 df-of 7674 df-om 7860 df-1st 7979 df-2nd 7980 df-supp 8152 df-frecs 8272 df-wrecs 8303 df-recs 8377 df-rdg 8416 df-1o 8472 df-2o 8473 df-er 8709 df-map 8828 df-pm 8829 df-ixp 8898 df-en 8946 df-dom 8947 df-sdom 8948 df-fin 8949 df-fsupp 9368 df-fi 9412 df-sup 9443 df-inf 9444 df-oi 9511 df-card 9940 df-pnf 11257 df-mnf 11258 df-xr 11259 df-ltxr 11260 df-le 11261 df-sub 11453 df-neg 11454 df-div 11879 df-nn 12220 df-2 12282 df-3 12283 df-4 12284 df-5 12285 df-6 12286 df-7 12287 df-8 12288 df-9 12289 df-n0 12480 df-z 12566 df-dec 12685 df-uz 12830 df-q 12940 df-rp 12982 df-xneg 13099 df-xadd 13100 df-xmul 13101 df-ioo 13335 df-ioc 13336 df-ico 13337 df-icc 13338 df-fz 13492 df-fzo 13635 df-fl 13764 df-mod 13842 df-seq 13974 df-exp 14035 df-fac 14241 df-bc 14270 df-hash 14298 df-shft 15021 df-cj 15053 df-re 15054 df-im 15055 df-sqrt 15189 df-abs 15190 df-limsup 15422 df-clim 15439 df-rlim 15440 df-sum 15640 df-ef 16018 df-sin 16020 df-cos 16021 df-tan 16022 df-pi 16023 df-struct 17087 df-sets 17104 df-slot 17122 df-ndx 17134 df-base 17152 df-ress 17181 df-plusg 17217 df-mulr 17218 df-starv 17219 df-sca 17220 df-vsca 17221 df-ip 17222 df-tset 17223 df-ple 17224 df-ds 17226 df-unif 17227 df-hom 17228 df-cco 17229 df-rest 17375 df-topn 17376 df-0g 17394 df-gsum 17395 df-topgen 17396 df-pt 17397 df-prds 17400 df-xrs 17455 df-qtop 17460 df-imas 17461 df-xps 17463 df-mre 17537 df-mrc 17538 df-acs 17540 df-mgm 18571 df-sgrp 18650 df-mnd 18666 df-submnd 18712 df-mulg 18994 df-cntz 19229 df-cmn 19698 df-psmet 21225 df-xmet 21226 df-met 21227 df-bl 21228 df-mopn 21229 df-fbas 21230 df-fg 21231 df-cnfld 21234 df-top 22716 df-topon 22733 df-topsp 22755 df-bases 22769 df-cld 22843 df-ntr 22844 df-cls 22845 df-nei 22922 df-lp 22960 df-perf 22961 df-cn 23051 df-cnp 23052 df-haus 23139 df-cmp 23211 df-tx 23386 df-hmeo 23579 df-fil 23670 df-fm 23762 df-flim 23763 df-flf 23764 df-xms 24146 df-ms 24147 df-tms 24148 df-cncf 24718 df-limc 25715 df-dv 25716 df-log 26405 df-cxp 26406 df-asin 26711 df-acos 26712

This theorem is referenced by: dvreacos 37039

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