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Theorem dvcnvre 26073

Description: The derivative rule for inverse functions. If 𝐹 is a continuous and differentiable bijective function from 𝑋 to 𝑌 which never has derivative 0, then ^◡𝐹 is also differentiable, and its derivative is the reciprocal of the derivative of 𝐹. (Contributed by Mario Carneiro, 24-Feb-2015.)

**Hypotheses**
Ref	Expression
dvcnvre.f	⊢ (𝜑 → 𝐹 ∈ (𝑋–cn→ℝ))
dvcnvre.d	⊢ (𝜑 → dom (ℝ D 𝐹) = 𝑋)
dvcnvre.z	⊢ (𝜑 → ¬ 0 ∈ ran (ℝ D 𝐹))
dvcnvre.1	⊢ (𝜑 → 𝐹:𝑋–1-1-onto→𝑌)

**Assertion**
Ref	Expression
dvcnvre	⊢ (𝜑 → (ℝ D ^◡𝐹) = (𝑥 ∈ 𝑌 ↦ (1 / ((ℝ D 𝐹)‘(^◡𝐹‘𝑥)))))

Distinct variable groups: 𝑥,𝐹 𝜑,𝑥 𝑥,𝑋 𝑥,𝑌

Proof of Theorem dvcnvre Dummy variables 𝑦 𝑟 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqid 2735	. 2 ⊢ (TopOpen‘ℂ_fld) = (TopOpen‘ℂ_fld)
2	1	tgioo2 24839	. 2 ⊢ (topGen‘ran (,)) = ((TopOpen‘ℂ_fld) ↾_t ℝ)
3		reelprrecn 11245	. . 3 ⊢ ℝ ∈ {ℝ, ℂ}
4	3	a1i 11	. 2 ⊢ (𝜑 → ℝ ∈ {ℝ, ℂ})
5		retop 24798	. . . . 5 ⊢ (topGen‘ran (,)) ∈ Top
6		dvcnvre.1	. . . . . . 7 ⊢ (𝜑 → 𝐹:𝑋–1-1-onto→𝑌)
7		f1ofo 6856	. . . . . . 7 ⊢ (𝐹:𝑋–1-1-onto→𝑌 → 𝐹:𝑋–onto→𝑌)
8		forn 6824	. . . . . . 7 ⊢ (𝐹:𝑋–onto→𝑌 → ran 𝐹 = 𝑌)
9	6, 7, 8	3syl 18	. . . . . 6 ⊢ (𝜑 → ran 𝐹 = 𝑌)
10		dvcnvre.f	. . . . . . 7 ⊢ (𝜑 → 𝐹 ∈ (𝑋–cn→ℝ))
11		cncff 24933	. . . . . . 7 ⊢ (𝐹 ∈ (𝑋–cn→ℝ) → 𝐹:𝑋⟶ℝ)
12		frn 6744	. . . . . . 7 ⊢ (𝐹:𝑋⟶ℝ → ran 𝐹 ⊆ ℝ)
13	10, 11, 12	3syl 18	. . . . . 6 ⊢ (𝜑 → ran 𝐹 ⊆ ℝ)
14	9, 13	eqsstrrd 4035	. . . . 5 ⊢ (𝜑 → 𝑌 ⊆ ℝ)
15		uniretop 24799	. . . . . 6 ⊢ ℝ = ∪ (topGen‘ran (,))
16	15	ntrss2 23081	. . . . 5 ⊢ (((topGen‘ran (,)) ∈ Top ∧ 𝑌 ⊆ ℝ) → ((int‘(topGen‘ran (,)))‘𝑌) ⊆ 𝑌)
17	5, 14, 16	sylancr 587	. . . 4 ⊢ (𝜑 → ((int‘(topGen‘ran (,)))‘𝑌) ⊆ 𝑌)
18		f1ocnvfv2 7297	. . . . . 6 ⊢ ((𝐹:𝑋–1-1-onto→𝑌 ∧ 𝑥 ∈ 𝑌) → (𝐹‘(^◡𝐹‘𝑥)) = 𝑥)
19	6, 18	sylan 580	. . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑌) → (𝐹‘(^◡𝐹‘𝑥)) = 𝑥)
20		eqid 2735	. . . . . . . . 9 ⊢ ((abs ∘ − ) ↾ (ℝ × ℝ)) = ((abs ∘ − ) ↾ (ℝ × ℝ))
21	20	rexmet 24827	. . . . . . . 8 ⊢ ((abs ∘ − ) ↾ (ℝ × ℝ)) ∈ (∞Met‘ℝ)
22		dvcnvre.d	. . . . . . . . . . . 12 ⊢ (𝜑 → dom (ℝ D 𝐹) = 𝑋)
23		dvbsss 25952	. . . . . . . . . . . . 13 ⊢ dom (ℝ D 𝐹) ⊆ ℝ
24	23	a1i 11	. . . . . . . . . . . 12 ⊢ (𝜑 → dom (ℝ D 𝐹) ⊆ ℝ)
25	22, 24	eqsstrrd 4035	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑋 ⊆ ℝ)
26	15	ntrss2 23081	. . . . . . . . . . 11 ⊢ (((topGen‘ran (,)) ∈ Top ∧ 𝑋 ⊆ ℝ) → ((int‘(topGen‘ran (,)))‘𝑋) ⊆ 𝑋)
27	5, 25, 26	sylancr 587	. . . . . . . . . 10 ⊢ (𝜑 → ((int‘(topGen‘ran (,)))‘𝑋) ⊆ 𝑋)
28		ax-resscn 11210	. . . . . . . . . . . . 13 ⊢ ℝ ⊆ ℂ
29	28	a1i 11	. . . . . . . . . . . 12 ⊢ (𝜑 → ℝ ⊆ ℂ)
30	10, 11	syl 17	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐹:𝑋⟶ℝ)
31		fss 6753	. . . . . . . . . . . . 13 ⊢ ((𝐹:𝑋⟶ℝ ∧ ℝ ⊆ ℂ) → 𝐹:𝑋⟶ℂ)
32	30, 28, 31	sylancl 586	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐹:𝑋⟶ℂ)
33	29, 32, 25, 2, 1	dvbssntr 25950	. . . . . . . . . . 11 ⊢ (𝜑 → dom (ℝ D 𝐹) ⊆ ((int‘(topGen‘ran (,)))‘𝑋))
34	22, 33	eqsstrrd 4035	. . . . . . . . . 10 ⊢ (𝜑 → 𝑋 ⊆ ((int‘(topGen‘ran (,)))‘𝑋))
35	27, 34	eqssd 4013	. . . . . . . . 9 ⊢ (𝜑 → ((int‘(topGen‘ran (,)))‘𝑋) = 𝑋)
36	15	isopn3 23090	. . . . . . . . . 10 ⊢ (((topGen‘ran (,)) ∈ Top ∧ 𝑋 ⊆ ℝ) → (𝑋 ∈ (topGen‘ran (,)) ↔ ((int‘(topGen‘ran (,)))‘𝑋) = 𝑋))
37	5, 25, 36	sylancr 587	. . . . . . . . 9 ⊢ (𝜑 → (𝑋 ∈ (topGen‘ran (,)) ↔ ((int‘(topGen‘ran (,)))‘𝑋) = 𝑋))
38	35, 37	mpbird 257	. . . . . . . 8 ⊢ (𝜑 → 𝑋 ∈ (topGen‘ran (,)))
39		f1ocnv 6861	. . . . . . . . . 10 ⊢ (𝐹:𝑋–1-1-onto→𝑌 → ^◡𝐹:𝑌–1-1-onto→𝑋)
40		f1of 6849	. . . . . . . . . 10 ⊢ (^◡𝐹:𝑌–1-1-onto→𝑋 → ^◡𝐹:𝑌⟶𝑋)
41	6, 39, 40	3syl 18	. . . . . . . . 9 ⊢ (𝜑 → ^◡𝐹:𝑌⟶𝑋)
42	41	ffvelcdmda 7104	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑌) → (^◡𝐹‘𝑥) ∈ 𝑋)
43		eqid 2735	. . . . . . . . . 10 ⊢ (MetOpen‘((abs ∘ − ) ↾ (ℝ × ℝ))) = (MetOpen‘((abs ∘ − ) ↾ (ℝ × ℝ)))
44	20, 43	tgioo 24832	. . . . . . . . 9 ⊢ (topGen‘ran (,)) = (MetOpen‘((abs ∘ − ) ↾ (ℝ × ℝ)))
45	44	mopni2 24522	. . . . . . . 8 ⊢ ((((abs ∘ − ) ↾ (ℝ × ℝ)) ∈ (∞Met‘ℝ) ∧ 𝑋 ∈ (topGen‘ran (,)) ∧ (^◡𝐹‘𝑥) ∈ 𝑋) → ∃𝑟 ∈ ℝ⁺ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)
46	21, 38, 42, 45	mp3an2ani 1467	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑌) → ∃𝑟 ∈ ℝ⁺ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)
47	10	ad2antrr 726	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → 𝐹 ∈ (𝑋–cn→ℝ))
48	22	ad2antrr 726	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → dom (ℝ D 𝐹) = 𝑋)
49		dvcnvre.z	. . . . . . . . 9 ⊢ (𝜑 → ¬ 0 ∈ ran (ℝ D 𝐹))
50	49	ad2antrr 726	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → ¬ 0 ∈ ran (ℝ D 𝐹))
51	6	ad2antrr 726	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → 𝐹:𝑋–1-1-onto→𝑌)
52	42	adantr 480	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → (^◡𝐹‘𝑥) ∈ 𝑋)
53		rphalfcl 13060	. . . . . . . . 9 ⊢ (𝑟 ∈ ℝ⁺ → (𝑟 / 2) ∈ ℝ⁺)
54	53	ad2antrl 728	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → (𝑟 / 2) ∈ ℝ⁺)
55	25	ad2antrr 726	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → 𝑋 ⊆ ℝ)
56	55, 52	sseldd 3996	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → (^◡𝐹‘𝑥) ∈ ℝ)
57	54	rpred 13075	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → (𝑟 / 2) ∈ ℝ)
58	56, 57	resubcld 11689	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → ((^◡𝐹‘𝑥) − (𝑟 / 2)) ∈ ℝ)
59	56, 57	readdcld 11288	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → ((^◡𝐹‘𝑥) + (𝑟 / 2)) ∈ ℝ)
60		elicc2 13449	. . . . . . . . . . . . . . . 16 ⊢ ((((^◡𝐹‘𝑥) − (𝑟 / 2)) ∈ ℝ ∧ ((^◡𝐹‘𝑥) + (𝑟 / 2)) ∈ ℝ) → (𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2))) ↔ (𝑦 ∈ ℝ ∧ ((^◡𝐹‘𝑥) − (𝑟 / 2)) ≤ 𝑦 ∧ 𝑦 ≤ ((^◡𝐹‘𝑥) + (𝑟 / 2)))))
61	58, 59, 60	syl2anc 584	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → (𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2))) ↔ (𝑦 ∈ ℝ ∧ ((^◡𝐹‘𝑥) − (𝑟 / 2)) ≤ 𝑦 ∧ 𝑦 ≤ ((^◡𝐹‘𝑥) + (𝑟 / 2)))))
62	61	biimpa 476	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → (𝑦 ∈ ℝ ∧ ((^◡𝐹‘𝑥) − (𝑟 / 2)) ≤ 𝑦 ∧ 𝑦 ≤ ((^◡𝐹‘𝑥) + (𝑟 / 2))))
63	62	simp1d 1141	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → 𝑦 ∈ ℝ)
64	56	adantr 480	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → (^◡𝐹‘𝑥) ∈ ℝ)
65		simplrl 777	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → 𝑟 ∈ ℝ⁺)
66	65	rpred 13075	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → 𝑟 ∈ ℝ)
67	64, 66	resubcld 11689	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → ((^◡𝐹‘𝑥) − 𝑟) ∈ ℝ)
68	58	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → ((^◡𝐹‘𝑥) − (𝑟 / 2)) ∈ ℝ)
69	65, 53	syl 17	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → (𝑟 / 2) ∈ ℝ⁺)
70	69	rpred 13075	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → (𝑟 / 2) ∈ ℝ)
71		rphalflt 13062	. . . . . . . . . . . . . . . 16 ⊢ (𝑟 ∈ ℝ⁺ → (𝑟 / 2) < 𝑟)
72	65, 71	syl 17	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → (𝑟 / 2) < 𝑟)
73	70, 66, 64, 72	ltsub2dd 11874	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → ((^◡𝐹‘𝑥) − 𝑟) < ((^◡𝐹‘𝑥) − (𝑟 / 2)))
74	62	simp2d 1142	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → ((^◡𝐹‘𝑥) − (𝑟 / 2)) ≤ 𝑦)
75	67, 68, 63, 73, 74	ltletrd 11419	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → ((^◡𝐹‘𝑥) − 𝑟) < 𝑦)
76	59	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → ((^◡𝐹‘𝑥) + (𝑟 / 2)) ∈ ℝ)
77	64, 66	readdcld 11288	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → ((^◡𝐹‘𝑥) + 𝑟) ∈ ℝ)
78	62	simp3d 1143	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → 𝑦 ≤ ((^◡𝐹‘𝑥) + (𝑟 / 2)))
79	70, 66, 64, 72	ltadd2dd 11418	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → ((^◡𝐹‘𝑥) + (𝑟 / 2)) < ((^◡𝐹‘𝑥) + 𝑟))
80	63, 76, 77, 78, 79	lelttrd 11417	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → 𝑦 < ((^◡𝐹‘𝑥) + 𝑟))
81	67	rexrd 11309	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → ((^◡𝐹‘𝑥) − 𝑟) ∈ ℝ^*)
82	77	rexrd 11309	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → ((^◡𝐹‘𝑥) + 𝑟) ∈ ℝ^*)
83		elioo2 13425	. . . . . . . . . . . . . 14 ⊢ ((((^◡𝐹‘𝑥) − 𝑟) ∈ ℝ^* ∧ ((^◡𝐹‘𝑥) + 𝑟) ∈ ℝ^*) → (𝑦 ∈ (((^◡𝐹‘𝑥) − 𝑟)(,)((^◡𝐹‘𝑥) + 𝑟)) ↔ (𝑦 ∈ ℝ ∧ ((^◡𝐹‘𝑥) − 𝑟) < 𝑦 ∧ 𝑦 < ((^◡𝐹‘𝑥) + 𝑟))))
84	81, 82, 83	syl2anc 584	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → (𝑦 ∈ (((^◡𝐹‘𝑥) − 𝑟)(,)((^◡𝐹‘𝑥) + 𝑟)) ↔ (𝑦 ∈ ℝ ∧ ((^◡𝐹‘𝑥) − 𝑟) < 𝑦 ∧ 𝑦 < ((^◡𝐹‘𝑥) + 𝑟))))
85	63, 75, 80, 84	mpbir3and 1341	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) ∧ 𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2)))) → 𝑦 ∈ (((^◡𝐹‘𝑥) − 𝑟)(,)((^◡𝐹‘𝑥) + 𝑟)))
86	85	ex 412	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → (𝑦 ∈ (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2))) → 𝑦 ∈ (((^◡𝐹‘𝑥) − 𝑟)(,)((^◡𝐹‘𝑥) + 𝑟))))
87	86	ssrdv 4001	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2))) ⊆ (((^◡𝐹‘𝑥) − 𝑟)(,)((^◡𝐹‘𝑥) + 𝑟)))
88		rpre 13041	. . . . . . . . . . . 12 ⊢ (𝑟 ∈ ℝ⁺ → 𝑟 ∈ ℝ)
89	88	ad2antrl 728	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → 𝑟 ∈ ℝ)
90	20	bl2ioo 24828	. . . . . . . . . . 11 ⊢ (((^◡𝐹‘𝑥) ∈ ℝ ∧ 𝑟 ∈ ℝ) → ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) = (((^◡𝐹‘𝑥) − 𝑟)(,)((^◡𝐹‘𝑥) + 𝑟)))
91	56, 89, 90	syl2anc 584	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) = (((^◡𝐹‘𝑥) − 𝑟)(,)((^◡𝐹‘𝑥) + 𝑟)))
92	87, 91	sseqtrrd 4037	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2))) ⊆ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟))
93		simprr 773	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)
94	92, 93	sstrd 4006	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → (((^◡𝐹‘𝑥) − (𝑟 / 2))[,]((^◡𝐹‘𝑥) + (𝑟 / 2))) ⊆ 𝑋)
95		eqid 2735	. . . . . . . 8 ⊢ (topGen‘ran (,)) = (topGen‘ran (,))
96		eqid 2735	. . . . . . . 8 ⊢ ((TopOpen‘ℂ_fld) ↾_t 𝑋) = ((TopOpen‘ℂ_fld) ↾_t 𝑋)
97		eqid 2735	. . . . . . . 8 ⊢ ((TopOpen‘ℂ_fld) ↾_t 𝑌) = ((TopOpen‘ℂ_fld) ↾_t 𝑌)
98	47, 48, 50, 51, 52, 54, 94, 95, 1, 96, 97	dvcnvrelem2 26072	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑌) ∧ (𝑟 ∈ ℝ⁺ ∧ ((^◡𝐹‘𝑥)(ball‘((abs ∘ − ) ↾ (ℝ × ℝ)))𝑟) ⊆ 𝑋)) → ((𝐹‘(^◡𝐹‘𝑥)) ∈ ((int‘(topGen‘ran (,)))‘𝑌) ∧ ^◡𝐹 ∈ ((((TopOpen‘ℂ_fld) ↾_t 𝑌) CnP ((TopOpen‘ℂ_fld) ↾_t 𝑋))‘(𝐹‘(^◡𝐹‘𝑥)))))
99	46, 98	rexlimddv 3159	. . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑌) → ((𝐹‘(^◡𝐹‘𝑥)) ∈ ((int‘(topGen‘ran (,)))‘𝑌) ∧ ^◡𝐹 ∈ ((((TopOpen‘ℂ_fld) ↾_t 𝑌) CnP ((TopOpen‘ℂ_fld) ↾_t 𝑋))‘(𝐹‘(^◡𝐹‘𝑥)))))
100	99	simpld 494	. . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑌) → (𝐹‘(^◡𝐹‘𝑥)) ∈ ((int‘(topGen‘ran (,)))‘𝑌))
101	19, 100	eqeltrrd 2840	. . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑌) → 𝑥 ∈ ((int‘(topGen‘ran (,)))‘𝑌))
102	17, 101	eqelssd 4017	. . 3 ⊢ (𝜑 → ((int‘(topGen‘ran (,)))‘𝑌) = 𝑌)
103	15	isopn3 23090	. . . 4 ⊢ (((topGen‘ran (,)) ∈ Top ∧ 𝑌 ⊆ ℝ) → (𝑌 ∈ (topGen‘ran (,)) ↔ ((int‘(topGen‘ran (,)))‘𝑌) = 𝑌))
104	5, 14, 103	sylancr 587	. . 3 ⊢ (𝜑 → (𝑌 ∈ (topGen‘ran (,)) ↔ ((int‘(topGen‘ran (,)))‘𝑌) = 𝑌))
105	102, 104	mpbird 257	. 2 ⊢ (𝜑 → 𝑌 ∈ (topGen‘ran (,)))
106	99	simprd 495	. . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑌) → ^◡𝐹 ∈ ((((TopOpen‘ℂ_fld) ↾_t 𝑌) CnP ((TopOpen‘ℂ_fld) ↾_t 𝑋))‘(𝐹‘(^◡𝐹‘𝑥))))
107	19	fveq2d 6911	. . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑌) → ((((TopOpen‘ℂ_fld) ↾_t 𝑌) CnP ((TopOpen‘ℂ_fld) ↾_t 𝑋))‘(𝐹‘(^◡𝐹‘𝑥))) = ((((TopOpen‘ℂ_fld) ↾_t 𝑌) CnP ((TopOpen‘ℂ_fld) ↾_t 𝑋))‘𝑥))
108	106, 107	eleqtrd 2841	. . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑌) → ^◡𝐹 ∈ ((((TopOpen‘ℂ_fld) ↾_t 𝑌) CnP ((TopOpen‘ℂ_fld) ↾_t 𝑋))‘𝑥))
109	108	ralrimiva 3144	. . . 4 ⊢ (𝜑 → ∀𝑥 ∈ 𝑌 ^◡𝐹 ∈ ((((TopOpen‘ℂ_fld) ↾_t 𝑌) CnP ((TopOpen‘ℂ_fld) ↾_t 𝑋))‘𝑥))
110	1	cnfldtopon 24819	. . . . . 6 ⊢ (TopOpen‘ℂ_fld) ∈ (TopOn‘ℂ)
111	14, 28	sstrdi 4008	. . . . . 6 ⊢ (𝜑 → 𝑌 ⊆ ℂ)
112		resttopon 23185	. . . . . 6 ⊢ (((TopOpen‘ℂ_fld) ∈ (TopOn‘ℂ) ∧ 𝑌 ⊆ ℂ) → ((TopOpen‘ℂ_fld) ↾_t 𝑌) ∈ (TopOn‘𝑌))
113	110, 111, 112	sylancr 587	. . . . 5 ⊢ (𝜑 → ((TopOpen‘ℂ_fld) ↾_t 𝑌) ∈ (TopOn‘𝑌))
114	25, 28	sstrdi 4008	. . . . . 6 ⊢ (𝜑 → 𝑋 ⊆ ℂ)
115		resttopon 23185	. . . . . 6 ⊢ (((TopOpen‘ℂ_fld) ∈ (TopOn‘ℂ) ∧ 𝑋 ⊆ ℂ) → ((TopOpen‘ℂ_fld) ↾_t 𝑋) ∈ (TopOn‘𝑋))
116	110, 114, 115	sylancr 587	. . . . 5 ⊢ (𝜑 → ((TopOpen‘ℂ_fld) ↾_t 𝑋) ∈ (TopOn‘𝑋))
117		cncnp 23304	. . . . 5 ⊢ ((((TopOpen‘ℂ_fld) ↾_t 𝑌) ∈ (TopOn‘𝑌) ∧ ((TopOpen‘ℂ_fld) ↾_t 𝑋) ∈ (TopOn‘𝑋)) → (^◡𝐹 ∈ (((TopOpen‘ℂ_fld) ↾_t 𝑌) Cn ((TopOpen‘ℂ_fld) ↾_t 𝑋)) ↔ (^◡𝐹:𝑌⟶𝑋 ∧ ∀𝑥 ∈ 𝑌 ^◡𝐹 ∈ ((((TopOpen‘ℂ_fld) ↾_t 𝑌) CnP ((TopOpen‘ℂ_fld) ↾_t 𝑋))‘𝑥))))
118	113, 116, 117	syl2anc 584	. . . 4 ⊢ (𝜑 → (^◡𝐹 ∈ (((TopOpen‘ℂ_fld) ↾_t 𝑌) Cn ((TopOpen‘ℂ_fld) ↾_t 𝑋)) ↔ (^◡𝐹:𝑌⟶𝑋 ∧ ∀𝑥 ∈ 𝑌 ^◡𝐹 ∈ ((((TopOpen‘ℂ_fld) ↾_t 𝑌) CnP ((TopOpen‘ℂ_fld) ↾_t 𝑋))‘𝑥))))
119	41, 109, 118	mpbir2and 713	. . 3 ⊢ (𝜑 → ^◡𝐹 ∈ (((TopOpen‘ℂ_fld) ↾_t 𝑌) Cn ((TopOpen‘ℂ_fld) ↾_t 𝑋)))
120	1, 97, 96	cncfcn 24950	. . . 4 ⊢ ((𝑌 ⊆ ℂ ∧ 𝑋 ⊆ ℂ) → (𝑌–cn→𝑋) = (((TopOpen‘ℂ_fld) ↾_t 𝑌) Cn ((TopOpen‘ℂ_fld) ↾_t 𝑋)))
121	111, 114, 120	syl2anc 584	. . 3 ⊢ (𝜑 → (𝑌–cn→𝑋) = (((TopOpen‘ℂ_fld) ↾_t 𝑌) Cn ((TopOpen‘ℂ_fld) ↾_t 𝑋)))
122	119, 121	eleqtrrd 2842	. 2 ⊢ (𝜑 → ^◡𝐹 ∈ (𝑌–cn→𝑋))
123	1, 2, 4, 105, 6, 122, 22, 49	dvcnv 26030	1 ⊢ (𝜑 → (ℝ D ^◡𝐹) = (𝑥 ∈ 𝑌 ↦ (1 / ((ℝ D 𝐹)‘(^◡𝐹‘𝑥)))))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 206 ∧ wa 395 ∧ w3a 1086 = wceq 1537 ∈ wcel 2106 ∀wral 3059 ∃wrex 3068 ⊆ wss 3963 {cpr 4633 class class class wbr 5148 ↦ cmpt 5231 × cxp 5687 ^◡ccnv 5688 dom cdm 5689 ran crn 5690 ↾ cres 5691 ∘ ccom 5693 ⟶wf 6559 –onto→wfo 6561 –1-1-onto→wf1o 6562 ‘cfv 6563 (class class class)co 7431 ℂcc 11151 ℝcr 11152 0cc0 11153 1c1 11154 + caddc 11156 ℝ^*cxr 11292 < clt 11293 ≤ cle 11294 − cmin 11490 / cdiv 11918 2c2 12319 ℝ⁺crp 13032 (,)cioo 13384 [,]cicc 13387 abscabs 15270 ↾_t crest 17467 TopOpenctopn 17468 topGenctg 17484 ∞Metcxmet 21367 ballcbl 21369 MetOpencmopn 21372 ℂ_fldccnfld 21382 Topctop 22915 TopOnctopon 22932 intcnt 23041 Cn ccn 23248 CnP ccnp 23249 –cn→ccncf 24916 D cdv 25913

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1908 ax-6 1965 ax-7 2005 ax-8 2108 ax-9 2116 ax-10 2139 ax-11 2155 ax-12 2175 ax-ext 2706 ax-rep 5285 ax-sep 5302 ax-nul 5312 ax-pow 5371 ax-pr 5438 ax-un 7754 ax-cnex 11209 ax-resscn 11210 ax-1cn 11211 ax-icn 11212 ax-addcl 11213 ax-addrcl 11214 ax-mulcl 11215 ax-mulrcl 11216 ax-mulcom 11217 ax-addass 11218 ax-mulass 11219 ax-distr 11220 ax-i2m1 11221 ax-1ne0 11222 ax-1rid 11223 ax-rnegex 11224 ax-rrecex 11225 ax-cnre 11226 ax-pre-lttri 11227 ax-pre-lttrn 11228 ax-pre-ltadd 11229 ax-pre-mulgt0 11230 ax-pre-sup 11231 ax-addf 11232

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1540 df-fal 1550 df-ex 1777 df-nf 1781 df-sb 2063 df-mo 2538 df-eu 2567 df-clab 2713 df-cleq 2727 df-clel 2814 df-nfc 2890 df-ne 2939 df-nel 3045 df-ral 3060 df-rex 3069 df-rmo 3378 df-reu 3379 df-rab 3434 df-v 3480 df-sbc 3792 df-csb 3909 df-dif 3966 df-un 3968 df-in 3970 df-ss 3980 df-pss 3983 df-nul 4340 df-if 4532 df-pw 4607 df-sn 4632 df-pr 4634 df-tp 4636 df-op 4638 df-uni 4913 df-int 4952 df-iun 4998 df-iin 4999 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5583 df-eprel 5589 df-po 5597 df-so 5598 df-fr 5641 df-se 5642 df-we 5643 df-xp 5695 df-rel 5696 df-cnv 5697 df-co 5698 df-dm 5699 df-rn 5700 df-res 5701 df-ima 5702 df-pred 6323 df-ord 6389 df-on 6390 df-lim 6391 df-suc 6392 df-iota 6516 df-fun 6565 df-fn 6566 df-f 6567 df-f1 6568 df-fo 6569 df-f1o 6570 df-fv 6571 df-isom 6572 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-of 7697 df-om 7888 df-1st 8013 df-2nd 8014 df-supp 8185 df-frecs 8305 df-wrecs 8336 df-recs 8410 df-rdg 8449 df-1o 8505 df-2o 8506 df-er 8744 df-map 8867 df-pm 8868 df-ixp 8937 df-en 8985 df-dom 8986 df-sdom 8987 df-fin 8988 df-fsupp 9400 df-fi 9449 df-sup 9480 df-inf 9481 df-oi 9548 df-card 9977 df-pnf 11295 df-mnf 11296 df-xr 11297 df-ltxr 11298 df-le 11299 df-sub 11492 df-neg 11493 df-div 11919 df-nn 12265 df-2 12327 df-3 12328 df-4 12329 df-5 12330 df-6 12331 df-7 12332 df-8 12333 df-9 12334 df-n0 12525 df-z 12612 df-dec 12732 df-uz 12877 df-q 12989 df-rp 13033 df-xneg 13152 df-xadd 13153 df-xmul 13154 df-ioo 13388 df-ico 13390 df-icc 13391 df-fz 13545 df-fzo 13692 df-seq 14040 df-exp 14100 df-hash 14367 df-cj 15135 df-re 15136 df-im 15137 df-sqrt 15271 df-abs 15272 df-struct 17181 df-sets 17198 df-slot 17216 df-ndx 17228 df-base 17246 df-ress 17275 df-plusg 17311 df-mulr 17312 df-starv 17313 df-sca 17314 df-vsca 17315 df-ip 17316 df-tset 17317 df-ple 17318 df-ds 17320 df-unif 17321 df-hom 17322 df-cco 17323 df-rest 17469 df-topn 17470 df-0g 17488 df-gsum 17489 df-topgen 17490 df-pt 17491 df-prds 17494 df-xrs 17549 df-qtop 17554 df-imas 17555 df-xps 17557 df-mre 17631 df-mrc 17632 df-acs 17634 df-mgm 18666 df-sgrp 18745 df-mnd 18761 df-submnd 18810 df-mulg 19099 df-cntz 19348 df-cmn 19815 df-psmet 21374 df-xmet 21375 df-met 21376 df-bl 21377 df-mopn 21378 df-fbas 21379 df-fg 21380 df-cnfld 21383 df-top 22916 df-topon 22933 df-topsp 22955 df-bases 22969 df-cld 23043 df-ntr 23044 df-cls 23045 df-nei 23122 df-lp 23160 df-perf 23161 df-cn 23251 df-cnp 23252 df-haus 23339 df-cmp 23411 df-tx 23586 df-hmeo 23779 df-fil 23870 df-fm 23962 df-flim 23963 df-flf 23964 df-xms 24346 df-ms 24347 df-tms 24348 df-cncf 24918 df-limc 25916 df-dv 25917

This theorem is referenced by: dvrelog 26694

W3C validator