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Theorem cnplimclemr 14141

Description: Lemma for cnplimccntop 14142. The reverse direction. (Contributed by Mario Carneiro and Jim Kingdon, 17-Nov-2023.)

**Hypotheses**
Ref	Expression
cnplimccntop.k	⊢ 𝐾 = (MetOpen‘(abs ∘ − ))
cnplimc.j	⊢ 𝐽 = (𝐾 ↾_t 𝐴)
cnplimclemr.a	⊢ (𝜑 → 𝐴 ⊆ ℂ)
cnplimclemr.f	⊢ (𝜑 → 𝐹:𝐴⟶ℂ)
cnplimclemr.b	⊢ (𝜑 → 𝐵 ∈ 𝐴)
cnplimclemr.l	⊢ (𝜑 → (𝐹‘𝐵) ∈ (𝐹 lim_ℂ 𝐵))

**Assertion**
Ref	Expression
cnplimclemr	⊢ (𝜑 → 𝐹 ∈ ((𝐽 CnP 𝐾)‘𝐵))

Proof of Theorem cnplimclemr Dummy variables 𝑑 𝑒 𝑠 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		cnplimclemr.f	. . 3 ⊢ (𝜑 → 𝐹:𝐴⟶ℂ)
2		breq2 4008	. . . . . . . 8 ⊢ (𝑠 = (𝑒 / 2) → ((abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < 𝑠 ↔ (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2)))
3	2	imbi2d 230	. . . . . . 7 ⊢ (𝑠 = (𝑒 / 2) → (((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < 𝑠) ↔ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))))
4	3	rexralbidv 2503	. . . . . 6 ⊢ (𝑠 = (𝑒 / 2) → (∃𝑑 ∈ ℝ⁺ ∀𝑧 ∈ 𝐴 ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < 𝑠) ↔ ∃𝑑 ∈ ℝ⁺ ∀𝑧 ∈ 𝐴 ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))))
5		cnplimclemr.l	. . . . . . . . 9 ⊢ (𝜑 → (𝐹‘𝐵) ∈ (𝐹 lim_ℂ 𝐵))
6		cnplimclemr.a	. . . . . . . . . 10 ⊢ (𝜑 → 𝐴 ⊆ ℂ)
7		cnplimclemr.b	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐵 ∈ 𝐴)
8	6, 7	sseldd 3157	. . . . . . . . . 10 ⊢ (𝜑 → 𝐵 ∈ ℂ)
9	1, 6, 8	ellimc3ap 14133	. . . . . . . . 9 ⊢ (𝜑 → ((𝐹‘𝐵) ∈ (𝐹 lim_ℂ 𝐵) ↔ ((𝐹‘𝐵) ∈ ℂ ∧ ∀𝑠 ∈ ℝ⁺ ∃𝑑 ∈ ℝ⁺ ∀𝑧 ∈ 𝐴 ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < 𝑠))))
10	5, 9	mpbid 147	. . . . . . . 8 ⊢ (𝜑 → ((𝐹‘𝐵) ∈ ℂ ∧ ∀𝑠 ∈ ℝ⁺ ∃𝑑 ∈ ℝ⁺ ∀𝑧 ∈ 𝐴 ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < 𝑠)))
11	10	simprd 114	. . . . . . 7 ⊢ (𝜑 → ∀𝑠 ∈ ℝ⁺ ∃𝑑 ∈ ℝ⁺ ∀𝑧 ∈ 𝐴 ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < 𝑠))
12	11	adantr 276	. . . . . 6 ⊢ ((𝜑 ∧ 𝑒 ∈ ℝ⁺) → ∀𝑠 ∈ ℝ⁺ ∃𝑑 ∈ ℝ⁺ ∀𝑧 ∈ 𝐴 ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < 𝑠))
13		rphalfcl 9681	. . . . . . 7 ⊢ (𝑒 ∈ ℝ⁺ → (𝑒 / 2) ∈ ℝ⁺)
14	13	adantl 277	. . . . . 6 ⊢ ((𝜑 ∧ 𝑒 ∈ ℝ⁺) → (𝑒 / 2) ∈ ℝ⁺)
15	4, 12, 14	rspcdva 2847	. . . . 5 ⊢ ((𝜑 ∧ 𝑒 ∈ ℝ⁺) → ∃𝑑 ∈ ℝ⁺ ∀𝑧 ∈ 𝐴 ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2)))
16	1	ad5antr 496	. . . . . . . . . . 11 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → 𝐹:𝐴⟶ℂ)
17		simpllr 534	. . . . . . . . . . 11 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → 𝑧 ∈ 𝐴)
18	16, 17	ffvelcdmd 5653	. . . . . . . . . 10 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → (𝐹‘𝑧) ∈ ℂ)
19	7	ad5antr 496	. . . . . . . . . . 11 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → 𝐵 ∈ 𝐴)
20	16, 19	ffvelcdmd 5653	. . . . . . . . . 10 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → (𝐹‘𝐵) ∈ ℂ)
21		eqid 2177	. . . . . . . . . . 11 ⊢ (abs ∘ − ) = (abs ∘ − )
22	21	cnmetdval 14032	. . . . . . . . . 10 ⊢ (((𝐹‘𝑧) ∈ ℂ ∧ (𝐹‘𝐵) ∈ ℂ) → ((𝐹‘𝑧)(abs ∘ − )(𝐹‘𝐵)) = (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))))
23	18, 20, 22	syl2anc 411	. . . . . . . . 9 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → ((𝐹‘𝑧)(abs ∘ − )(𝐹‘𝐵)) = (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))))
24		cnplimccntop.k	. . . . . . . . . 10 ⊢ 𝐾 = (MetOpen‘(abs ∘ − ))
25		cnplimc.j	. . . . . . . . . 10 ⊢ 𝐽 = (𝐾 ↾_t 𝐴)
26	6	ad5antr 496	. . . . . . . . . 10 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → 𝐴 ⊆ ℂ)
27	5	ad5antr 496	. . . . . . . . . 10 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → (𝐹‘𝐵) ∈ (𝐹 lim_ℂ 𝐵))
28		simp-5r 544	. . . . . . . . . 10 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → 𝑒 ∈ ℝ⁺)
29		simp-4r 542	. . . . . . . . . 10 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → 𝑑 ∈ ℝ⁺)
30		3simpc 996	. . . . . . . . . . 11 ⊢ (((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) ∧ 𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑))
31		simp1lr 1061	. . . . . . . . . . 11 ⊢ (((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) ∧ 𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2)))
32	30, 31	mpd 13	. . . . . . . . . 10 ⊢ (((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) ∧ 𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))
33	17, 19	ovresd 6015	. . . . . . . . . . . 12 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) = (𝑧(abs ∘ − )𝐵))
34	26, 17	sseldd 3157	. . . . . . . . . . . . 13 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → 𝑧 ∈ ℂ)
35	8	ad5antr 496	. . . . . . . . . . . . 13 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → 𝐵 ∈ ℂ)
36	21	cnmetdval 14032	. . . . . . . . . . . . 13 ⊢ ((𝑧 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝑧(abs ∘ − )𝐵) = (abs‘(𝑧 − 𝐵)))
37	34, 35, 36	syl2anc 411	. . . . . . . . . . . 12 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → (𝑧(abs ∘ − )𝐵) = (abs‘(𝑧 − 𝐵)))
38	33, 37	eqtrd 2210	. . . . . . . . . . 11 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) = (abs‘(𝑧 − 𝐵)))
39		simpr 110	. . . . . . . . . . 11 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑)
40	38, 39	eqbrtrrd 4028	. . . . . . . . . 10 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → (abs‘(𝑧 − 𝐵)) < 𝑑)
41	24, 25, 26, 16, 19, 27, 28, 29, 17, 32, 40	cnplimclemle 14140	. . . . . . . . 9 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < 𝑒)
42	23, 41	eqbrtrd 4026	. . . . . . . 8 ⊢ ((((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) ∧ ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2))) ∧ (𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑) → ((𝐹‘𝑧)(abs ∘ − )(𝐹‘𝐵)) < 𝑒)
43	42	exp31 364	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) ∧ 𝑧 ∈ 𝐴) → (((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2)) → ((𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑 → ((𝐹‘𝑧)(abs ∘ − )(𝐹‘𝐵)) < 𝑒)))
44	43	ralimdva 2544	. . . . . 6 ⊢ (((𝜑 ∧ 𝑒 ∈ ℝ⁺) ∧ 𝑑 ∈ ℝ⁺) → (∀𝑧 ∈ 𝐴 ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2)) → ∀𝑧 ∈ 𝐴 ((𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑 → ((𝐹‘𝑧)(abs ∘ − )(𝐹‘𝐵)) < 𝑒)))
45	44	reximdva 2579	. . . . 5 ⊢ ((𝜑 ∧ 𝑒 ∈ ℝ⁺) → (∃𝑑 ∈ ℝ⁺ ∀𝑧 ∈ 𝐴 ((𝑧 # 𝐵 ∧ (abs‘(𝑧 − 𝐵)) < 𝑑) → (abs‘((𝐹‘𝑧) − (𝐹‘𝐵))) < (𝑒 / 2)) → ∃𝑑 ∈ ℝ⁺ ∀𝑧 ∈ 𝐴 ((𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑 → ((𝐹‘𝑧)(abs ∘ − )(𝐹‘𝐵)) < 𝑒)))
46	15, 45	mpd 13	. . . 4 ⊢ ((𝜑 ∧ 𝑒 ∈ ℝ⁺) → ∃𝑑 ∈ ℝ⁺ ∀𝑧 ∈ 𝐴 ((𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑 → ((𝐹‘𝑧)(abs ∘ − )(𝐹‘𝐵)) < 𝑒))
47	46	ralrimiva 2550	. . 3 ⊢ (𝜑 → ∀𝑒 ∈ ℝ⁺ ∃𝑑 ∈ ℝ⁺ ∀𝑧 ∈ 𝐴 ((𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑 → ((𝐹‘𝑧)(abs ∘ − )(𝐹‘𝐵)) < 𝑒))
48		cnxmet 14034	. . . . 5 ⊢ (abs ∘ − ) ∈ (∞Met‘ℂ)
49		xmetres2 13882	. . . . 5 ⊢ (((abs ∘ − ) ∈ (∞Met‘ℂ) ∧ 𝐴 ⊆ ℂ) → ((abs ∘ − ) ↾ (𝐴 × 𝐴)) ∈ (∞Met‘𝐴))
50	48, 6, 49	sylancr 414	. . . 4 ⊢ (𝜑 → ((abs ∘ − ) ↾ (𝐴 × 𝐴)) ∈ (∞Met‘𝐴))
51	48	a1i 9	. . . 4 ⊢ (𝜑 → (abs ∘ − ) ∈ (∞Met‘ℂ))
52		eqid 2177	. . . . 5 ⊢ (MetOpen‘((abs ∘ − ) ↾ (𝐴 × 𝐴))) = (MetOpen‘((abs ∘ − ) ↾ (𝐴 × 𝐴)))
53	52, 24	metcnp2 14016	. . . 4 ⊢ ((((abs ∘ − ) ↾ (𝐴 × 𝐴)) ∈ (∞Met‘𝐴) ∧ (abs ∘ − ) ∈ (∞Met‘ℂ) ∧ 𝐵 ∈ 𝐴) → (𝐹 ∈ (((MetOpen‘((abs ∘ − ) ↾ (𝐴 × 𝐴))) CnP 𝐾)‘𝐵) ↔ (𝐹:𝐴⟶ℂ ∧ ∀𝑒 ∈ ℝ⁺ ∃𝑑 ∈ ℝ⁺ ∀𝑧 ∈ 𝐴 ((𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑 → ((𝐹‘𝑧)(abs ∘ − )(𝐹‘𝐵)) < 𝑒))))
54	50, 51, 7, 53	syl3anc 1238	. . 3 ⊢ (𝜑 → (𝐹 ∈ (((MetOpen‘((abs ∘ − ) ↾ (𝐴 × 𝐴))) CnP 𝐾)‘𝐵) ↔ (𝐹:𝐴⟶ℂ ∧ ∀𝑒 ∈ ℝ⁺ ∃𝑑 ∈ ℝ⁺ ∀𝑧 ∈ 𝐴 ((𝑧((abs ∘ − ) ↾ (𝐴 × 𝐴))𝐵) < 𝑑 → ((𝐹‘𝑧)(abs ∘ − )(𝐹‘𝐵)) < 𝑒))))
55	1, 47, 54	mpbir2and 944	. 2 ⊢ (𝜑 → 𝐹 ∈ (((MetOpen‘((abs ∘ − ) ↾ (𝐴 × 𝐴))) CnP 𝐾)‘𝐵))
56		eqid 2177	. . . . . . 7 ⊢ ((abs ∘ − ) ↾ (𝐴 × 𝐴)) = ((abs ∘ − ) ↾ (𝐴 × 𝐴))
57	56, 24, 52	metrest 14009	. . . . . 6 ⊢ (((abs ∘ − ) ∈ (∞Met‘ℂ) ∧ 𝐴 ⊆ ℂ) → (𝐾 ↾_t 𝐴) = (MetOpen‘((abs ∘ − ) ↾ (𝐴 × 𝐴))))
58	48, 6, 57	sylancr 414	. . . . 5 ⊢ (𝜑 → (𝐾 ↾_t 𝐴) = (MetOpen‘((abs ∘ − ) ↾ (𝐴 × 𝐴))))
59	25, 58	eqtrid 2222	. . . 4 ⊢ (𝜑 → 𝐽 = (MetOpen‘((abs ∘ − ) ↾ (𝐴 × 𝐴))))
60	59	oveq1d 5890	. . 3 ⊢ (𝜑 → (𝐽 CnP 𝐾) = ((MetOpen‘((abs ∘ − ) ↾ (𝐴 × 𝐴))) CnP 𝐾))
61	60	fveq1d 5518	. 2 ⊢ (𝜑 → ((𝐽 CnP 𝐾)‘𝐵) = (((MetOpen‘((abs ∘ − ) ↾ (𝐴 × 𝐴))) CnP 𝐾)‘𝐵))
62	55, 61	eleqtrrd 2257	1 ⊢ (𝜑 → 𝐹 ∈ ((𝐽 CnP 𝐾)‘𝐵))

Colors of variables: wff set class

Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 ∧ w3a 978 = wceq 1353 ∈ wcel 2148 ∀wral 2455 ∃wrex 2456 ⊆ wss 3130 class class class wbr 4004 × cxp 4625 ↾ cres 4629 ∘ ccom 4631 ⟶wf 5213 ‘cfv 5217 (class class class)co 5875 ℂcc 7809 < clt 7992 − cmin 8128 # cap 8538 / cdiv 8629 2c2 8970 ℝ⁺crp 9653 abscabs 11006 ↾_t crest 12688 ∞Metcxmet 13443 MetOpencmopn 13448 CnP ccnp 13689 lim_ℂ climc 14126

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-13 2150 ax-14 2151 ax-ext 2159 ax-coll 4119 ax-sep 4122 ax-nul 4130 ax-pow 4175 ax-pr 4210 ax-un 4434 ax-setind 4537 ax-iinf 4588 ax-cnex 7902 ax-resscn 7903 ax-1cn 7904 ax-1re 7905 ax-icn 7906 ax-addcl 7907 ax-addrcl 7908 ax-mulcl 7909 ax-mulrcl 7910 ax-addcom 7911 ax-mulcom 7912 ax-addass 7913 ax-mulass 7914 ax-distr 7915 ax-i2m1 7916 ax-0lt1 7917 ax-1rid 7918 ax-0id 7919 ax-rnegex 7920 ax-precex 7921 ax-cnre 7922 ax-pre-ltirr 7923 ax-pre-ltwlin 7924 ax-pre-lttrn 7925 ax-pre-apti 7926 ax-pre-ltadd 7927 ax-pre-mulgt0 7928 ax-pre-mulext 7929 ax-arch 7930 ax-caucvg 7931

This theorem depends on definitions: df-bi 117 df-stab 831 df-dc 835 df-3or 979 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ne 2348 df-nel 2443 df-ral 2460 df-rex 2461 df-reu 2462 df-rmo 2463 df-rab 2464 df-v 2740 df-sbc 2964 df-csb 3059 df-dif 3132 df-un 3134 df-in 3136 df-ss 3143 df-nul 3424 df-if 3536 df-pw 3578 df-sn 3599 df-pr 3600 df-op 3602 df-uni 3811 df-int 3846 df-iun 3889 df-br 4005 df-opab 4066 df-mpt 4067 df-tr 4103 df-id 4294 df-po 4297 df-iso 4298 df-iord 4367 df-on 4369 df-ilim 4370 df-suc 4372 df-iom 4591 df-xp 4633 df-rel 4634 df-cnv 4635 df-co 4636 df-dm 4637 df-rn 4638 df-res 4639 df-ima 4640 df-iota 5179 df-fun 5219 df-fn 5220 df-f 5221 df-f1 5222 df-fo 5223 df-f1o 5224 df-fv 5225 df-isom 5226 df-riota 5831 df-ov 5878 df-oprab 5879 df-mpo 5880 df-1st 6141 df-2nd 6142 df-recs 6306 df-frec 6392 df-map 6650 df-pm 6651 df-sup 6983 df-inf 6984 df-pnf 7994 df-mnf 7995 df-xr 7996 df-ltxr 7997 df-le 7998 df-sub 8130 df-neg 8131 df-reap 8532 df-ap 8539 df-div 8630 df-inn 8920 df-2 8978 df-3 8979 df-4 8980 df-n0 9177 df-z 9254 df-uz 9529 df-q 9620 df-rp 9654 df-xneg 9772 df-xadd 9773 df-seqfrec 10446 df-exp 10520 df-cj 10851 df-re 10852 df-im 10853 df-rsqrt 11007 df-abs 11008 df-rest 12690 df-topgen 12709 df-psmet 13450 df-xmet 13451 df-met 13452 df-bl 13453 df-mopn 13454 df-top 13501 df-topon 13514 df-bases 13546 df-cnp 13692 df-limced 14128

This theorem is referenced by: cnplimccntop 14142 dvcnp2cntop 14166

W3C validator