dvcnp2 - Metamath Proof Explorer

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Theorem dvcnp2 23489

Description: A function is continuous at each point for which it is differentiable. (Contributed by Mario Carneiro, 9-Aug-2014.) (Revised by Mario Carneiro, 28-Dec-2016.)

**Hypotheses**
Ref	Expression
dvcnp.j	⊢ 𝐽 = (𝐾 ↾_t 𝐴)
dvcnp.k	⊢ 𝐾 = (TopOpen‘ℂ_fld)

**Assertion**
Ref	Expression
dvcnp2	⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵 ∈ dom (𝑆 D 𝐹)) → 𝐹 ∈ ((𝐽 CnP 𝐾)‘𝐵))

Proof of Theorem dvcnp2 Dummy variables 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		eldmg 5241	. . 3 ⊢ (𝐵 ∈ dom (𝑆 D 𝐹) → (𝐵 ∈ dom (𝑆 D 𝐹) ↔ ∃𝑦 𝐵(𝑆 D 𝐹)𝑦))
2	1	ibi 255	. 2 ⊢ (𝐵 ∈ dom (𝑆 D 𝐹) → ∃𝑦 𝐵(𝑆 D 𝐹)𝑦)
3		simpl2 1058	. . . . . 6 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 𝐹:𝐴⟶ℂ)
4	3	ffvelrnda 6267	. . . . . . . . 9 ⊢ ((((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) ∧ 𝑧 ∈ 𝐴) → (𝐹‘𝑧) ∈ ℂ)
5		dvcnp.k	. . . . . . . . . . . . . . 15 ⊢ 𝐾 = (TopOpen‘ℂ_fld)
6	5	cnfldtop 22397	. . . . . . . . . . . . . 14 ⊢ 𝐾 ∈ Top
7		simpl1 1057	. . . . . . . . . . . . . . 15 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 𝑆 ⊆ ℂ)
8		cnex 9896	. . . . . . . . . . . . . . 15 ⊢ ℂ ∈ V
9		ssexg 4732	. . . . . . . . . . . . . . 15 ⊢ ((𝑆 ⊆ ℂ ∧ ℂ ∈ V) → 𝑆 ∈ V)
10	7, 8, 9	sylancl 693	. . . . . . . . . . . . . 14 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 𝑆 ∈ V)
11		resttop 20774	. . . . . . . . . . . . . 14 ⊢ ((𝐾 ∈ Top ∧ 𝑆 ∈ V) → (𝐾 ↾_t 𝑆) ∈ Top)
12	6, 10, 11	sylancr 694	. . . . . . . . . . . . 13 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝐾 ↾_t 𝑆) ∈ Top)
13		simpl3 1059	. . . . . . . . . . . . . 14 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 𝐴 ⊆ 𝑆)
14	5	cnfldtopon 22396	. . . . . . . . . . . . . . . 16 ⊢ 𝐾 ∈ (TopOn‘ℂ)
15		resttopon 20775	. . . . . . . . . . . . . . . 16 ⊢ ((𝐾 ∈ (TopOn‘ℂ) ∧ 𝑆 ⊆ ℂ) → (𝐾 ↾_t 𝑆) ∈ (TopOn‘𝑆))
16	14, 7, 15	sylancr 694	. . . . . . . . . . . . . . 15 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝐾 ↾_t 𝑆) ∈ (TopOn‘𝑆))
17		toponuni 20542	. . . . . . . . . . . . . . 15 ⊢ ((𝐾 ↾_t 𝑆) ∈ (TopOn‘𝑆) → 𝑆 = ∪ (𝐾 ↾_t 𝑆))
18	16, 17	syl 17	. . . . . . . . . . . . . 14 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 𝑆 = ∪ (𝐾 ↾_t 𝑆))
19	13, 18	sseqtrd 3604	. . . . . . . . . . . . 13 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 𝐴 ⊆ ∪ (𝐾 ↾_t 𝑆))
20		eqid 2610	. . . . . . . . . . . . . 14 ⊢ ∪ (𝐾 ↾_t 𝑆) = ∪ (𝐾 ↾_t 𝑆)
21	20	ntrss2 20671	. . . . . . . . . . . . 13 ⊢ (((𝐾 ↾_t 𝑆) ∈ Top ∧ 𝐴 ⊆ ∪ (𝐾 ↾_t 𝑆)) → ((int‘(𝐾 ↾_t 𝑆))‘𝐴) ⊆ 𝐴)
22	12, 19, 21	syl2anc 691	. . . . . . . . . . . 12 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → ((int‘(𝐾 ↾_t 𝑆))‘𝐴) ⊆ 𝐴)
23		eqid 2610	. . . . . . . . . . . . . 14 ⊢ (𝐾 ↾_t 𝑆) = (𝐾 ↾_t 𝑆)
24		eqid 2610	. . . . . . . . . . . . . 14 ⊢ (𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ (((𝐹‘𝑧) − (𝐹‘𝐵)) / (𝑧 − 𝐵))) = (𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ (((𝐹‘𝑧) − (𝐹‘𝐵)) / (𝑧 − 𝐵)))
25		simp1 1054	. . . . . . . . . . . . . 14 ⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → 𝑆 ⊆ ℂ)
26		simp2 1055	. . . . . . . . . . . . . 14 ⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → 𝐹:𝐴⟶ℂ)
27		simp3 1056	. . . . . . . . . . . . . 14 ⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → 𝐴 ⊆ 𝑆)
28	23, 5, 24, 25, 26, 27	eldv 23468	. . . . . . . . . . . . 13 ⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → (𝐵(𝑆 D 𝐹)𝑦 ↔ (𝐵 ∈ ((int‘(𝐾 ↾_t 𝑆))‘𝐴) ∧ 𝑦 ∈ ((𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ (((𝐹‘𝑧) − (𝐹‘𝐵)) / (𝑧 − 𝐵))) lim_ℂ 𝐵))))
29	28	simprbda 651	. . . . . . . . . . . 12 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 𝐵 ∈ ((int‘(𝐾 ↾_t 𝑆))‘𝐴))
30	22, 29	sseldd 3569	. . . . . . . . . . 11 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 𝐵 ∈ 𝐴)
31	3, 30	ffvelrnd 6268	. . . . . . . . . 10 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝐹‘𝐵) ∈ ℂ)
32	31	adantr 480	. . . . . . . . 9 ⊢ ((((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) ∧ 𝑧 ∈ 𝐴) → (𝐹‘𝐵) ∈ ℂ)
33	4, 32	subcld 10271	. . . . . . . 8 ⊢ ((((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) ∧ 𝑧 ∈ 𝐴) → ((𝐹‘𝑧) − (𝐹‘𝐵)) ∈ ℂ)
34		ssid 3587	. . . . . . . . 9 ⊢ ℂ ⊆ ℂ
35	34	a1i 11	. . . . . . . 8 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → ℂ ⊆ ℂ)
36		txtopon 21204	. . . . . . . . . . 11 ⊢ ((𝐾 ∈ (TopOn‘ℂ) ∧ 𝐾 ∈ (TopOn‘ℂ)) → (𝐾 ×_t 𝐾) ∈ (TopOn‘(ℂ × ℂ)))
37	14, 14, 36	mp2an 704	. . . . . . . . . 10 ⊢ (𝐾 ×_t 𝐾) ∈ (TopOn‘(ℂ × ℂ))
38	37	toponunii 20547	. . . . . . . . . . 11 ⊢ (ℂ × ℂ) = ∪ (𝐾 ×_t 𝐾)
39	38	restid 15917	. . . . . . . . . 10 ⊢ ((𝐾 ×_t 𝐾) ∈ (TopOn‘(ℂ × ℂ)) → ((𝐾 ×_t 𝐾) ↾_t (ℂ × ℂ)) = (𝐾 ×_t 𝐾))
40	37, 39	ax-mp 5	. . . . . . . . 9 ⊢ ((𝐾 ×_t 𝐾) ↾_t (ℂ × ℂ)) = (𝐾 ×_t 𝐾)
41	40	eqcomi 2619	. . . . . . . 8 ⊢ (𝐾 ×_t 𝐾) = ((𝐾 ×_t 𝐾) ↾_t (ℂ × ℂ))
42	13, 7	sstrd 3578	. . . . . . . . . . . 12 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 𝐴 ⊆ ℂ)
43	3, 42, 30	dvlem 23466	. . . . . . . . . . 11 ⊢ ((((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) ∧ 𝑧 ∈ (𝐴 ∖ {𝐵})) → (((𝐹‘𝑧) − (𝐹‘𝐵)) / (𝑧 − 𝐵)) ∈ ℂ)
44	42	ssdifssd 3710	. . . . . . . . . . . . 13 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝐴 ∖ {𝐵}) ⊆ ℂ)
45	44	sselda 3568	. . . . . . . . . . . 12 ⊢ ((((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) ∧ 𝑧 ∈ (𝐴 ∖ {𝐵})) → 𝑧 ∈ ℂ)
46	42, 30	sseldd 3569	. . . . . . . . . . . . 13 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 𝐵 ∈ ℂ)
47	46	adantr 480	. . . . . . . . . . . 12 ⊢ ((((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) ∧ 𝑧 ∈ (𝐴 ∖ {𝐵})) → 𝐵 ∈ ℂ)
48	45, 47	subcld 10271	. . . . . . . . . . 11 ⊢ ((((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) ∧ 𝑧 ∈ (𝐴 ∖ {𝐵})) → (𝑧 − 𝐵) ∈ ℂ)
49	28	simplbda 652	. . . . . . . . . . 11 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 𝑦 ∈ ((𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ (((𝐹‘𝑧) − (𝐹‘𝐵)) / (𝑧 − 𝐵))) lim_ℂ 𝐵))
50		limcresi 23455	. . . . . . . . . . . . 13 ⊢ ((𝑧 ∈ 𝐴 ↦ (𝑧 − 𝐵)) lim_ℂ 𝐵) ⊆ (((𝑧 ∈ 𝐴 ↦ (𝑧 − 𝐵)) ↾ (𝐴 ∖ {𝐵})) lim_ℂ 𝐵)
51		difss 3699	. . . . . . . . . . . . . . 15 ⊢ (𝐴 ∖ {𝐵}) ⊆ 𝐴
52		resmpt 5369	. . . . . . . . . . . . . . 15 ⊢ ((𝐴 ∖ {𝐵}) ⊆ 𝐴 → ((𝑧 ∈ 𝐴 ↦ (𝑧 − 𝐵)) ↾ (𝐴 ∖ {𝐵})) = (𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ (𝑧 − 𝐵)))
53	51, 52	ax-mp 5	. . . . . . . . . . . . . 14 ⊢ ((𝑧 ∈ 𝐴 ↦ (𝑧 − 𝐵)) ↾ (𝐴 ∖ {𝐵})) = (𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ (𝑧 − 𝐵))
54	53	oveq1i 6559	. . . . . . . . . . . . 13 ⊢ (((𝑧 ∈ 𝐴 ↦ (𝑧 − 𝐵)) ↾ (𝐴 ∖ {𝐵})) lim_ℂ 𝐵) = ((𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ (𝑧 − 𝐵)) lim_ℂ 𝐵)
55	50, 54	sseqtri 3600	. . . . . . . . . . . 12 ⊢ ((𝑧 ∈ 𝐴 ↦ (𝑧 − 𝐵)) lim_ℂ 𝐵) ⊆ ((𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ (𝑧 − 𝐵)) lim_ℂ 𝐵)
56	46	subidd 10259	. . . . . . . . . . . . 13 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝐵 − 𝐵) = 0)
57	5	subcn 22477	. . . . . . . . . . . . . . . 16 ⊢ − ∈ ((𝐾 ×_t 𝐾) Cn 𝐾)
58	57	a1i 11	. . . . . . . . . . . . . . 15 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → − ∈ ((𝐾 ×_t 𝐾) Cn 𝐾))
59		cncfmptid 22523	. . . . . . . . . . . . . . . 16 ⊢ ((𝐴 ⊆ ℂ ∧ ℂ ⊆ ℂ) → (𝑧 ∈ 𝐴 ↦ 𝑧) ∈ (𝐴–cn→ℂ))
60	42, 34, 59	sylancl 693	. . . . . . . . . . . . . . 15 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝑧 ∈ 𝐴 ↦ 𝑧) ∈ (𝐴–cn→ℂ))
61		cncfmptc 22522	. . . . . . . . . . . . . . . 16 ⊢ ((𝐵 ∈ ℂ ∧ 𝐴 ⊆ ℂ ∧ ℂ ⊆ ℂ) → (𝑧 ∈ 𝐴 ↦ 𝐵) ∈ (𝐴–cn→ℂ))
62	46, 42, 35, 61	syl3anc 1318	. . . . . . . . . . . . . . 15 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝑧 ∈ 𝐴 ↦ 𝐵) ∈ (𝐴–cn→ℂ))
63	5, 58, 60, 62	cncfmpt2f 22525	. . . . . . . . . . . . . 14 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝑧 ∈ 𝐴 ↦ (𝑧 − 𝐵)) ∈ (𝐴–cn→ℂ))
64		oveq1 6556	. . . . . . . . . . . . . 14 ⊢ (𝑧 = 𝐵 → (𝑧 − 𝐵) = (𝐵 − 𝐵))
65	63, 30, 64	cnmptlimc 23460	. . . . . . . . . . . . 13 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝐵 − 𝐵) ∈ ((𝑧 ∈ 𝐴 ↦ (𝑧 − 𝐵)) lim_ℂ 𝐵))
66	56, 65	eqeltrrd 2689	. . . . . . . . . . . 12 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 0 ∈ ((𝑧 ∈ 𝐴 ↦ (𝑧 − 𝐵)) lim_ℂ 𝐵))
67	55, 66	sseldi 3566	. . . . . . . . . . 11 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 0 ∈ ((𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ (𝑧 − 𝐵)) lim_ℂ 𝐵))
68	5	mulcn 22478	. . . . . . . . . . . 12 ⊢ · ∈ ((𝐾 ×_t 𝐾) Cn 𝐾)
69	25, 26, 27	dvcl 23469	. . . . . . . . . . . . 13 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 𝑦 ∈ ℂ)
70		0cn 9911	. . . . . . . . . . . . 13 ⊢ 0 ∈ ℂ
71		opelxpi 5072	. . . . . . . . . . . . 13 ⊢ ((𝑦 ∈ ℂ ∧ 0 ∈ ℂ) → ⟨𝑦, 0⟩ ∈ (ℂ × ℂ))
72	69, 70, 71	sylancl 693	. . . . . . . . . . . 12 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → ⟨𝑦, 0⟩ ∈ (ℂ × ℂ))
73	38	cncnpi 20892	. . . . . . . . . . . 12 ⊢ (( · ∈ ((𝐾 ×_t 𝐾) Cn 𝐾) ∧ ⟨𝑦, 0⟩ ∈ (ℂ × ℂ)) → · ∈ (((𝐾 ×_t 𝐾) CnP 𝐾)‘⟨𝑦, 0⟩))
74	68, 72, 73	sylancr 694	. . . . . . . . . . 11 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → · ∈ (((𝐾 ×_t 𝐾) CnP 𝐾)‘⟨𝑦, 0⟩))
75	43, 48, 35, 35, 5, 41, 49, 67, 74	limccnp2 23462	. . . . . . . . . 10 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝑦 · 0) ∈ ((𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ ((((𝐹‘𝑧) − (𝐹‘𝐵)) / (𝑧 − 𝐵)) · (𝑧 − 𝐵))) lim_ℂ 𝐵))
76	69	mul01d 10114	. . . . . . . . . 10 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝑦 · 0) = 0)
77	3	adantr 480	. . . . . . . . . . . . . . 15 ⊢ ((((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) ∧ 𝑧 ∈ (𝐴 ∖ {𝐵})) → 𝐹:𝐴⟶ℂ)
78		simpr 476	. . . . . . . . . . . . . . . 16 ⊢ ((((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) ∧ 𝑧 ∈ (𝐴 ∖ {𝐵})) → 𝑧 ∈ (𝐴 ∖ {𝐵}))
79	51, 78	sseldi 3566	. . . . . . . . . . . . . . 15 ⊢ ((((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) ∧ 𝑧 ∈ (𝐴 ∖ {𝐵})) → 𝑧 ∈ 𝐴)
80	77, 79	ffvelrnd 6268	. . . . . . . . . . . . . 14 ⊢ ((((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) ∧ 𝑧 ∈ (𝐴 ∖ {𝐵})) → (𝐹‘𝑧) ∈ ℂ)
81	31	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) ∧ 𝑧 ∈ (𝐴 ∖ {𝐵})) → (𝐹‘𝐵) ∈ ℂ)
82	80, 81	subcld 10271	. . . . . . . . . . . . 13 ⊢ ((((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) ∧ 𝑧 ∈ (𝐴 ∖ {𝐵})) → ((𝐹‘𝑧) − (𝐹‘𝐵)) ∈ ℂ)
83		eldifsni 4261	. . . . . . . . . . . . . . 15 ⊢ (𝑧 ∈ (𝐴 ∖ {𝐵}) → 𝑧 ≠ 𝐵)
84	83	adantl 481	. . . . . . . . . . . . . 14 ⊢ ((((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) ∧ 𝑧 ∈ (𝐴 ∖ {𝐵})) → 𝑧 ≠ 𝐵)
85	45, 47, 84	subne0d 10280	. . . . . . . . . . . . 13 ⊢ ((((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) ∧ 𝑧 ∈ (𝐴 ∖ {𝐵})) → (𝑧 − 𝐵) ≠ 0)
86	82, 48, 85	divcan1d 10681	. . . . . . . . . . . 12 ⊢ ((((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) ∧ 𝑧 ∈ (𝐴 ∖ {𝐵})) → ((((𝐹‘𝑧) − (𝐹‘𝐵)) / (𝑧 − 𝐵)) · (𝑧 − 𝐵)) = ((𝐹‘𝑧) − (𝐹‘𝐵)))
87	86	mpteq2dva 4672	. . . . . . . . . . 11 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ ((((𝐹‘𝑧) − (𝐹‘𝐵)) / (𝑧 − 𝐵)) · (𝑧 − 𝐵))) = (𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ ((𝐹‘𝑧) − (𝐹‘𝐵))))
88	87	oveq1d 6564	. . . . . . . . . 10 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → ((𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ ((((𝐹‘𝑧) − (𝐹‘𝐵)) / (𝑧 − 𝐵)) · (𝑧 − 𝐵))) lim_ℂ 𝐵) = ((𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ ((𝐹‘𝑧) − (𝐹‘𝐵))) lim_ℂ 𝐵))
89	75, 76, 88	3eltr3d 2702	. . . . . . . . 9 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 0 ∈ ((𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ ((𝐹‘𝑧) − (𝐹‘𝐵))) lim_ℂ 𝐵))
90		eqid 2610	. . . . . . . . . . . 12 ⊢ (𝑧 ∈ 𝐴 ↦ ((𝐹‘𝑧) − (𝐹‘𝐵))) = (𝑧 ∈ 𝐴 ↦ ((𝐹‘𝑧) − (𝐹‘𝐵)))
91	33, 90	fmptd 6292	. . . . . . . . . . 11 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝑧 ∈ 𝐴 ↦ ((𝐹‘𝑧) − (𝐹‘𝐵))):𝐴⟶ℂ)
92	91	limcdif 23446	. . . . . . . . . 10 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → ((𝑧 ∈ 𝐴 ↦ ((𝐹‘𝑧) − (𝐹‘𝐵))) lim_ℂ 𝐵) = (((𝑧 ∈ 𝐴 ↦ ((𝐹‘𝑧) − (𝐹‘𝐵))) ↾ (𝐴 ∖ {𝐵})) lim_ℂ 𝐵))
93		resmpt 5369	. . . . . . . . . . . 12 ⊢ ((𝐴 ∖ {𝐵}) ⊆ 𝐴 → ((𝑧 ∈ 𝐴 ↦ ((𝐹‘𝑧) − (𝐹‘𝐵))) ↾ (𝐴 ∖ {𝐵})) = (𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ ((𝐹‘𝑧) − (𝐹‘𝐵))))
94	51, 93	ax-mp 5	. . . . . . . . . . 11 ⊢ ((𝑧 ∈ 𝐴 ↦ ((𝐹‘𝑧) − (𝐹‘𝐵))) ↾ (𝐴 ∖ {𝐵})) = (𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ ((𝐹‘𝑧) − (𝐹‘𝐵)))
95	94	oveq1i 6559	. . . . . . . . . 10 ⊢ (((𝑧 ∈ 𝐴 ↦ ((𝐹‘𝑧) − (𝐹‘𝐵))) ↾ (𝐴 ∖ {𝐵})) lim_ℂ 𝐵) = ((𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ ((𝐹‘𝑧) − (𝐹‘𝐵))) lim_ℂ 𝐵)
96	92, 95	syl6eq 2660	. . . . . . . . 9 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → ((𝑧 ∈ 𝐴 ↦ ((𝐹‘𝑧) − (𝐹‘𝐵))) lim_ℂ 𝐵) = ((𝑧 ∈ (𝐴 ∖ {𝐵}) ↦ ((𝐹‘𝑧) − (𝐹‘𝐵))) lim_ℂ 𝐵))
97	89, 96	eleqtrrd 2691	. . . . . . . 8 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 0 ∈ ((𝑧 ∈ 𝐴 ↦ ((𝐹‘𝑧) − (𝐹‘𝐵))) lim_ℂ 𝐵))
98		cncfmptc 22522	. . . . . . . . . 10 ⊢ (((𝐹‘𝐵) ∈ ℂ ∧ 𝐴 ⊆ ℂ ∧ ℂ ⊆ ℂ) → (𝑧 ∈ 𝐴 ↦ (𝐹‘𝐵)) ∈ (𝐴–cn→ℂ))
99	31, 42, 35, 98	syl3anc 1318	. . . . . . . . 9 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝑧 ∈ 𝐴 ↦ (𝐹‘𝐵)) ∈ (𝐴–cn→ℂ))
100		eqidd 2611	. . . . . . . . 9 ⊢ (𝑧 = 𝐵 → (𝐹‘𝐵) = (𝐹‘𝐵))
101	99, 30, 100	cnmptlimc 23460	. . . . . . . 8 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝐹‘𝐵) ∈ ((𝑧 ∈ 𝐴 ↦ (𝐹‘𝐵)) lim_ℂ 𝐵))
102	5	addcn 22476	. . . . . . . . 9 ⊢ + ∈ ((𝐾 ×_t 𝐾) Cn 𝐾)
103		opelxpi 5072	. . . . . . . . . 10 ⊢ ((0 ∈ ℂ ∧ (𝐹‘𝐵) ∈ ℂ) → ⟨0, (𝐹‘𝐵)⟩ ∈ (ℂ × ℂ))
104	70, 31, 103	sylancr 694	. . . . . . . . 9 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → ⟨0, (𝐹‘𝐵)⟩ ∈ (ℂ × ℂ))
105	38	cncnpi 20892	. . . . . . . . 9 ⊢ (( + ∈ ((𝐾 ×_t 𝐾) Cn 𝐾) ∧ ⟨0, (𝐹‘𝐵)⟩ ∈ (ℂ × ℂ)) → + ∈ (((𝐾 ×_t 𝐾) CnP 𝐾)‘⟨0, (𝐹‘𝐵)⟩))
106	102, 104, 105	sylancr 694	. . . . . . . 8 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → + ∈ (((𝐾 ×_t 𝐾) CnP 𝐾)‘⟨0, (𝐹‘𝐵)⟩))
107	33, 32, 35, 35, 5, 41, 97, 101, 106	limccnp2 23462	. . . . . . 7 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (0 + (𝐹‘𝐵)) ∈ ((𝑧 ∈ 𝐴 ↦ (((𝐹‘𝑧) − (𝐹‘𝐵)) + (𝐹‘𝐵))) lim_ℂ 𝐵))
108	31	addid2d 10116	. . . . . . 7 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (0 + (𝐹‘𝐵)) = (𝐹‘𝐵))
109	4, 32	npcand 10275	. . . . . . . . . 10 ⊢ ((((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) ∧ 𝑧 ∈ 𝐴) → (((𝐹‘𝑧) − (𝐹‘𝐵)) + (𝐹‘𝐵)) = (𝐹‘𝑧))
110	109	mpteq2dva 4672	. . . . . . . . 9 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝑧 ∈ 𝐴 ↦ (((𝐹‘𝑧) − (𝐹‘𝐵)) + (𝐹‘𝐵))) = (𝑧 ∈ 𝐴 ↦ (𝐹‘𝑧)))
111	3	feqmptd 6159	. . . . . . . . 9 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 𝐹 = (𝑧 ∈ 𝐴 ↦ (𝐹‘𝑧)))
112	110, 111	eqtr4d 2647	. . . . . . . 8 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝑧 ∈ 𝐴 ↦ (((𝐹‘𝑧) − (𝐹‘𝐵)) + (𝐹‘𝐵))) = 𝐹)
113	112	oveq1d 6564	. . . . . . 7 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → ((𝑧 ∈ 𝐴 ↦ (((𝐹‘𝑧) − (𝐹‘𝐵)) + (𝐹‘𝐵))) lim_ℂ 𝐵) = (𝐹 lim_ℂ 𝐵))
114	107, 108, 113	3eltr3d 2702	. . . . . 6 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝐹‘𝐵) ∈ (𝐹 lim_ℂ 𝐵))
115		dvcnp.j	. . . . . . . 8 ⊢ 𝐽 = (𝐾 ↾_t 𝐴)
116	5, 115	cnplimc 23457	. . . . . . 7 ⊢ ((𝐴 ⊆ ℂ ∧ 𝐵 ∈ 𝐴) → (𝐹 ∈ ((𝐽 CnP 𝐾)‘𝐵) ↔ (𝐹:𝐴⟶ℂ ∧ (𝐹‘𝐵) ∈ (𝐹 lim_ℂ 𝐵))))
117	42, 30, 116	syl2anc 691	. . . . . 6 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → (𝐹 ∈ ((𝐽 CnP 𝐾)‘𝐵) ↔ (𝐹:𝐴⟶ℂ ∧ (𝐹‘𝐵) ∈ (𝐹 lim_ℂ 𝐵))))
118	3, 114, 117	mpbir2and 959	. . . . 5 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵(𝑆 D 𝐹)𝑦) → 𝐹 ∈ ((𝐽 CnP 𝐾)‘𝐵))
119	118	ex 449	. . . 4 ⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → (𝐵(𝑆 D 𝐹)𝑦 → 𝐹 ∈ ((𝐽 CnP 𝐾)‘𝐵)))
120	119	exlimdv 1848	. . 3 ⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → (∃𝑦 𝐵(𝑆 D 𝐹)𝑦 → 𝐹 ∈ ((𝐽 CnP 𝐾)‘𝐵)))
121	120	imp 444	. 2 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ ∃𝑦 𝐵(𝑆 D 𝐹)𝑦) → 𝐹 ∈ ((𝐽 CnP 𝐾)‘𝐵))
122	2, 121	sylan2 490	1 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝐵 ∈ dom (𝑆 D 𝐹)) → 𝐹 ∈ ((𝐽 CnP 𝐾)‘𝐵))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 195 ∧ wa 383 ∧ w3a 1031 = wceq 1475 ∃wex 1695 ∈ wcel 1977 ≠ wne 2780 Vcvv 3173 ∖ cdif 3537 ⊆ wss 3540 {csn 4125 ⟨cop 4131 ∪ cuni 4372 class class class wbr 4583 ↦ cmpt 4643 × cxp 5036 dom cdm 5038 ↾ cres 5040 ⟶wf 5800 ‘cfv 5804 (class class class)co 6549 ℂcc 9813 0cc0 9815 + caddc 9818 · cmul 9820 − cmin 10145 / cdiv 10563 ↾_t crest 15904 TopOpenctopn 15905 ℂ_fldccnfld 19567 Topctop 20517 TopOnctopon 20518 intcnt 20631 Cn ccn 20838 CnP ccnp 20839 ×_t ctx 21173 –cn→ccncf 22487 lim_ℂ climc 23432 D cdv 23433

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-inf2 8421 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 ax-pre-sup 9893 ax-addf 9894 ax-mulf 9895

This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rmo 2904 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-int 4411 df-iun 4457 df-iin 4458 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-se 4998 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-isom 5813 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-of 6795 df-om 6958 df-1st 7059 df-2nd 7060 df-supp 7183 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-1o 7447 df-2o 7448 df-oadd 7451 df-er 7629 df-map 7746 df-pm 7747 df-ixp 7795 df-en 7842 df-dom 7843 df-sdom 7844 df-fin 7845 df-fsupp 8159 df-fi 8200 df-sup 8231 df-inf 8232 df-oi 8298 df-card 8648 df-cda 8873 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-div 10564 df-nn 10898 df-2 10956 df-3 10957 df-4 10958 df-5 10959 df-6 10960 df-7 10961 df-8 10962 df-9 10963 df-n0 11170 df-z 11255 df-dec 11370 df-uz 11564 df-q 11665 df-rp 11709 df-xneg 11822 df-xadd 11823 df-xmul 11824 df-icc 12053 df-fz 12198 df-fzo 12335 df-seq 12664 df-exp 12723 df-hash 12980 df-cj 13687 df-re 13688 df-im 13689 df-sqrt 13823 df-abs 13824 df-struct 15697 df-ndx 15698 df-slot 15699 df-base 15700 df-sets 15701 df-ress 15702 df-plusg 15781 df-mulr 15782 df-starv 15783 df-sca 15784 df-vsca 15785 df-ip 15786 df-tset 15787 df-ple 15788 df-ds 15791 df-unif 15792 df-hom 15793 df-cco 15794 df-rest 15906 df-topn 15907 df-0g 15925 df-gsum 15926 df-topgen 15927 df-pt 15928 df-prds 15931 df-xrs 15985 df-qtop 15990 df-imas 15991 df-xps 15993 df-mre 16069 df-mrc 16070 df-acs 16072 df-mgm 17065 df-sgrp 17107 df-mnd 17118 df-submnd 17159 df-mulg 17364 df-cntz 17573 df-cmn 18018 df-psmet 19559 df-xmet 19560 df-met 19561 df-bl 19562 df-mopn 19563 df-cnfld 19568 df-top 20521 df-bases 20522 df-topon 20523 df-topsp 20524 df-ntr 20634 df-cn 20841 df-cnp 20842 df-tx 21175 df-hmeo 21368 df-xms 21935 df-ms 21936 df-tms 21937 df-cncf 22489 df-limc 23436 df-dv 23437

This theorem is referenced by: dvcn 23490 dvmulbr 23508 dvcobr 23515 fouriersw 39124

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