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Theorem lmmbr2 25131

Description: Express the binary relation "sequence 𝐹 converges to point 𝑃 " in a metric space. Definition 1.4-1 of [Kreyszig] p. 25. The condition 𝐹 ⊆ (ℂ × 𝑋) allows to use objects more general than sequences when convenient; see the comment in df-lm 23077. (Contributed by NM, 7-Dec-2006.) (Revised by Mario Carneiro, 1-May-2014.)

**Hypotheses**
Ref	Expression
lmmbr.2	⊢ 𝐽 = (MetOpen‘𝐷)
lmmbr.3	⊢ (𝜑 → 𝐷 ∈ (∞Met‘𝑋))

**Assertion**
Ref	Expression
lmmbr2	⊢ (𝜑 → (𝐹(⇝_𝑡‘𝐽)𝑃 ↔ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋 ∧ ∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ ℤ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥))))

Distinct variable groups: 𝑗,𝑘,𝑥,𝐷 𝑗,𝐹,𝑘,𝑥 𝑃,𝑗,𝑘,𝑥 𝑗,𝑋,𝑘,𝑥 𝑥,𝐽 𝜑,𝑗,𝑘,𝑥 Allowed substitution hints: 𝐽(𝑗,𝑘)

Proof of Theorem lmmbr2 Dummy variable 𝑦 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		lmmbr.2	. . 3 ⊢ 𝐽 = (MetOpen‘𝐷)
2		lmmbr.3	. . 3 ⊢ (𝜑 → 𝐷 ∈ (∞Met‘𝑋))
3	1, 2	lmmbr 25130	. 2 ⊢ (𝜑 → (𝐹(⇝_𝑡‘𝐽)𝑃 ↔ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋 ∧ ∀𝑥 ∈ ℝ⁺ ∃𝑦 ∈ ran ℤ_≥(𝐹 ↾ 𝑦):𝑦⟶(𝑃(ball‘𝐷)𝑥))))
4		df-3an 1086	. . . 4 ⊢ ((𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋 ∧ ∀𝑥 ∈ ℝ⁺ ∃𝑦 ∈ ran ℤ_≥(𝐹 ↾ 𝑦):𝑦⟶(𝑃(ball‘𝐷)𝑥)) ↔ ((𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ ∀𝑥 ∈ ℝ⁺ ∃𝑦 ∈ ran ℤ_≥(𝐹 ↾ 𝑦):𝑦⟶(𝑃(ball‘𝐷)𝑥)))
5		uzf 12824	. . . . . . . . . 10 ⊢ ℤ_≥:ℤ⟶𝒫 ℤ
6		ffn 6708	. . . . . . . . . 10 ⊢ (ℤ_≥:ℤ⟶𝒫 ℤ → ℤ_≥ Fn ℤ)
7		reseq2 5967	. . . . . . . . . . . 12 ⊢ (𝑦 = (ℤ_≥‘𝑗) → (𝐹 ↾ 𝑦) = (𝐹 ↾ (ℤ_≥‘𝑗)))
8		id 22	. . . . . . . . . . . 12 ⊢ (𝑦 = (ℤ_≥‘𝑗) → 𝑦 = (ℤ_≥‘𝑗))
9	7, 8	feq12d 6696	. . . . . . . . . . 11 ⊢ (𝑦 = (ℤ_≥‘𝑗) → ((𝐹 ↾ 𝑦):𝑦⟶(𝑃(ball‘𝐷)𝑥) ↔ (𝐹 ↾ (ℤ_≥‘𝑗)):(ℤ_≥‘𝑗)⟶(𝑃(ball‘𝐷)𝑥)))
10	9	rexrn 7079	. . . . . . . . . 10 ⊢ (ℤ_≥ Fn ℤ → (∃𝑦 ∈ ran ℤ_≥(𝐹 ↾ 𝑦):𝑦⟶(𝑃(ball‘𝐷)𝑥) ↔ ∃𝑗 ∈ ℤ (𝐹 ↾ (ℤ_≥‘𝑗)):(ℤ_≥‘𝑗)⟶(𝑃(ball‘𝐷)𝑥)))
11	5, 6, 10	mp2b 10	. . . . . . . . 9 ⊢ (∃𝑦 ∈ ran ℤ_≥(𝐹 ↾ 𝑦):𝑦⟶(𝑃(ball‘𝐷)𝑥) ↔ ∃𝑗 ∈ ℤ (𝐹 ↾ (ℤ_≥‘𝑗)):(ℤ_≥‘𝑗)⟶(𝑃(ball‘𝐷)𝑥))
12		simp2l 1196	. . . . . . . . . . . . . 14 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ 𝑥 ∈ ℝ⁺) → 𝐹 ∈ (𝑋 ↑_pm ℂ))
13		elfvdm 6919	. . . . . . . . . . . . . . . 16 ⊢ (𝐷 ∈ (∞Met‘𝑋) → 𝑋 ∈ dom ∞Met)
14	13	3ad2ant1 1130	. . . . . . . . . . . . . . 15 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ 𝑥 ∈ ℝ⁺) → 𝑋 ∈ dom ∞Met)
15		cnex 11188	. . . . . . . . . . . . . . 15 ⊢ ℂ ∈ V
16		elpmg 8834	. . . . . . . . . . . . . . 15 ⊢ ((𝑋 ∈ dom ∞Met ∧ ℂ ∈ V) → (𝐹 ∈ (𝑋 ↑_pm ℂ) ↔ (Fun 𝐹 ∧ 𝐹 ⊆ (ℂ × 𝑋))))
17	14, 15, 16	sylancl 585	. . . . . . . . . . . . . 14 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ 𝑥 ∈ ℝ⁺) → (𝐹 ∈ (𝑋 ↑_pm ℂ) ↔ (Fun 𝐹 ∧ 𝐹 ⊆ (ℂ × 𝑋))))
18	12, 17	mpbid 231	. . . . . . . . . . . . 13 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ 𝑥 ∈ ℝ⁺) → (Fun 𝐹 ∧ 𝐹 ⊆ (ℂ × 𝑋)))
19	18	simpld 494	. . . . . . . . . . . 12 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ 𝑥 ∈ ℝ⁺) → Fun 𝐹)
20		ffvresb 7117	. . . . . . . . . . . 12 ⊢ (Fun 𝐹 → ((𝐹 ↾ (ℤ_≥‘𝑗)):(ℤ_≥‘𝑗)⟶(𝑃(ball‘𝐷)𝑥) ↔ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ (𝑃(ball‘𝐷)𝑥))))
21	19, 20	syl 17	. . . . . . . . . . 11 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ 𝑥 ∈ ℝ⁺) → ((𝐹 ↾ (ℤ_≥‘𝑗)):(ℤ_≥‘𝑗)⟶(𝑃(ball‘𝐷)𝑥) ↔ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ (𝑃(ball‘𝐷)𝑥))))
22		rpxr 12984	. . . . . . . . . . . . . . . . 17 ⊢ (𝑥 ∈ ℝ⁺ → 𝑥 ∈ ℝ^*)
23		elbl 24238	. . . . . . . . . . . . . . . . 17 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ 𝑃 ∈ 𝑋 ∧ 𝑥 ∈ ℝ^*) → ((𝐹‘𝑘) ∈ (𝑃(ball‘𝐷)𝑥) ↔ ((𝐹‘𝑘) ∈ 𝑋 ∧ (𝑃𝐷(𝐹‘𝑘)) < 𝑥)))
24	22, 23	syl3an3 1162	. . . . . . . . . . . . . . . 16 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ 𝑃 ∈ 𝑋 ∧ 𝑥 ∈ ℝ⁺) → ((𝐹‘𝑘) ∈ (𝑃(ball‘𝐷)𝑥) ↔ ((𝐹‘𝑘) ∈ 𝑋 ∧ (𝑃𝐷(𝐹‘𝑘)) < 𝑥)))
25		xmetsym 24197	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ 𝑃 ∈ 𝑋 ∧ (𝐹‘𝑘) ∈ 𝑋) → (𝑃𝐷(𝐹‘𝑘)) = ((𝐹‘𝑘)𝐷𝑃))
26	25	breq1d 5149	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ 𝑃 ∈ 𝑋 ∧ (𝐹‘𝑘) ∈ 𝑋) → ((𝑃𝐷(𝐹‘𝑘)) < 𝑥 ↔ ((𝐹‘𝑘)𝐷𝑃) < 𝑥))
27	26	3expa 1115	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝐷 ∈ (∞Met‘𝑋) ∧ 𝑃 ∈ 𝑋) ∧ (𝐹‘𝑘) ∈ 𝑋) → ((𝑃𝐷(𝐹‘𝑘)) < 𝑥 ↔ ((𝐹‘𝑘)𝐷𝑃) < 𝑥))
28	27	pm5.32da 578	. . . . . . . . . . . . . . . . 17 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ 𝑃 ∈ 𝑋) → (((𝐹‘𝑘) ∈ 𝑋 ∧ (𝑃𝐷(𝐹‘𝑘)) < 𝑥) ↔ ((𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥)))
29	28	3adant3 1129	. . . . . . . . . . . . . . . 16 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ 𝑃 ∈ 𝑋 ∧ 𝑥 ∈ ℝ⁺) → (((𝐹‘𝑘) ∈ 𝑋 ∧ (𝑃𝐷(𝐹‘𝑘)) < 𝑥) ↔ ((𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥)))
30	24, 29	bitrd 279	. . . . . . . . . . . . . . 15 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ 𝑃 ∈ 𝑋 ∧ 𝑥 ∈ ℝ⁺) → ((𝐹‘𝑘) ∈ (𝑃(ball‘𝐷)𝑥) ↔ ((𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥)))
31	30	3adant2l 1175	. . . . . . . . . . . . . 14 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ 𝑥 ∈ ℝ⁺) → ((𝐹‘𝑘) ∈ (𝑃(ball‘𝐷)𝑥) ↔ ((𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥)))
32	31	anbi2d 628	. . . . . . . . . . . . 13 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ 𝑥 ∈ ℝ⁺) → ((𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ (𝑃(ball‘𝐷)𝑥)) ↔ (𝑘 ∈ dom 𝐹 ∧ ((𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥))))
33		3anass 1092	. . . . . . . . . . . . 13 ⊢ ((𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥) ↔ (𝑘 ∈ dom 𝐹 ∧ ((𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥)))
34	32, 33	bitr4di 289	. . . . . . . . . . . 12 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ 𝑥 ∈ ℝ⁺) → ((𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ (𝑃(ball‘𝐷)𝑥)) ↔ (𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥)))
35	34	ralbidv 3169	. . . . . . . . . . 11 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ 𝑥 ∈ ℝ⁺) → (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ (𝑃(ball‘𝐷)𝑥)) ↔ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥)))
36	21, 35	bitrd 279	. . . . . . . . . 10 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ 𝑥 ∈ ℝ⁺) → ((𝐹 ↾ (ℤ_≥‘𝑗)):(ℤ_≥‘𝑗)⟶(𝑃(ball‘𝐷)𝑥) ↔ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥)))
37	36	rexbidv 3170	. . . . . . . . 9 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ 𝑥 ∈ ℝ⁺) → (∃𝑗 ∈ ℤ (𝐹 ↾ (ℤ_≥‘𝑗)):(ℤ_≥‘𝑗)⟶(𝑃(ball‘𝐷)𝑥) ↔ ∃𝑗 ∈ ℤ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥)))
38	11, 37	bitrid 283	. . . . . . . 8 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ 𝑥 ∈ ℝ⁺) → (∃𝑦 ∈ ran ℤ_≥(𝐹 ↾ 𝑦):𝑦⟶(𝑃(ball‘𝐷)𝑥) ↔ ∃𝑗 ∈ ℤ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥)))
39	38	3expa 1115	. . . . . . 7 ⊢ (((𝐷 ∈ (∞Met‘𝑋) ∧ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋)) ∧ 𝑥 ∈ ℝ⁺) → (∃𝑦 ∈ ran ℤ_≥(𝐹 ↾ 𝑦):𝑦⟶(𝑃(ball‘𝐷)𝑥) ↔ ∃𝑗 ∈ ℤ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥)))
40	39	ralbidva 3167	. . . . . 6 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋)) → (∀𝑥 ∈ ℝ⁺ ∃𝑦 ∈ ran ℤ_≥(𝐹 ↾ 𝑦):𝑦⟶(𝑃(ball‘𝐷)𝑥) ↔ ∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ ℤ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥)))
41	40	pm5.32da 578	. . . . 5 ⊢ (𝐷 ∈ (∞Met‘𝑋) → (((𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ ∀𝑥 ∈ ℝ⁺ ∃𝑦 ∈ ran ℤ_≥(𝐹 ↾ 𝑦):𝑦⟶(𝑃(ball‘𝐷)𝑥)) ↔ ((𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ ∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ ℤ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥))))
42	2, 41	syl 17	. . . 4 ⊢ (𝜑 → (((𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ ∀𝑥 ∈ ℝ⁺ ∃𝑦 ∈ ran ℤ_≥(𝐹 ↾ 𝑦):𝑦⟶(𝑃(ball‘𝐷)𝑥)) ↔ ((𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ ∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ ℤ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥))))
43	4, 42	bitrid 283	. . 3 ⊢ (𝜑 → ((𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋 ∧ ∀𝑥 ∈ ℝ⁺ ∃𝑦 ∈ ran ℤ_≥(𝐹 ↾ 𝑦):𝑦⟶(𝑃(ball‘𝐷)𝑥)) ↔ ((𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ ∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ ℤ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥))))
44		df-3an 1086	. . 3 ⊢ ((𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋 ∧ ∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ ℤ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥)) ↔ ((𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ ∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ ℤ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥)))
45	43, 44	bitr4di 289	. 2 ⊢ (𝜑 → ((𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋 ∧ ∀𝑥 ∈ ℝ⁺ ∃𝑦 ∈ ran ℤ_≥(𝐹 ↾ 𝑦):𝑦⟶(𝑃(ball‘𝐷)𝑥)) ↔ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋 ∧ ∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ ℤ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥))))
46	3, 45	bitrd 279	1 ⊢ (𝜑 → (𝐹(⇝_𝑡‘𝐽)𝑃 ↔ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋 ∧ ∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ ℤ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑋 ∧ ((𝐹‘𝑘)𝐷𝑃) < 𝑥))))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 ∧ w3a 1084 = wceq 1533 ∈ wcel 2098 ∀wral 3053 ∃wrex 3062 Vcvv 3466 ⊆ wss 3941 𝒫 cpw 4595 class class class wbr 5139 × cxp 5665 dom cdm 5667 ran crn 5668 ↾ cres 5669 Fun wfun 6528 Fn wfn 6529 ⟶wf 6530 ‘cfv 6534 (class class class)co 7402 ↑_pm cpm 8818 ℂcc 11105 ℝ^*cxr 11246 < clt 11247 ℤcz 12557 ℤ_≥cuz 12821 ℝ⁺crp 12975 ∞Metcxmet 21219 ballcbl 21221 MetOpencmopn 21224 ⇝_𝑡clm 23074

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2163 ax-ext 2695 ax-sep 5290 ax-nul 5297 ax-pow 5354 ax-pr 5418 ax-un 7719 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

This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2526 df-eu 2555 df-clab 2702 df-cleq 2716 df-clel 2802 df-nfc 2877 df-ne 2933 df-nel 3039 df-ral 3054 df-rex 3063 df-rmo 3368 df-reu 3369 df-rab 3425 df-v 3468 df-sbc 3771 df-csb 3887 df-dif 3944 df-un 3946 df-in 3948 df-ss 3958 df-pss 3960 df-nul 4316 df-if 4522 df-pw 4597 df-sn 4622 df-pr 4624 df-op 4628 df-uni 4901 df-iun 4990 df-br 5140 df-opab 5202 df-mpt 5223 df-tr 5257 df-id 5565 df-eprel 5571 df-po 5579 df-so 5580 df-fr 5622 df-we 5624 df-xp 5673 df-rel 5674 df-cnv 5675 df-co 5676 df-dm 5677 df-rn 5678 df-res 5679 df-ima 5680 df-pred 6291 df-ord 6358 df-on 6359 df-lim 6360 df-suc 6361 df-iota 6486 df-fun 6536 df-fn 6537 df-f 6538 df-f1 6539 df-fo 6540 df-f1o 6541 df-fv 6542 df-riota 7358 df-ov 7405 df-oprab 7406 df-mpo 7407 df-om 7850 df-1st 7969 df-2nd 7970 df-frecs 8262 df-wrecs 8293 df-recs 8367 df-rdg 8406 df-er 8700 df-map 8819 df-pm 8820 df-en 8937 df-dom 8938 df-sdom 8939 df-sup 9434 df-inf 9435 df-pnf 11249 df-mnf 11250 df-xr 11251 df-ltxr 11252 df-le 11253 df-sub 11445 df-neg 11446 df-div 11871 df-nn 12212 df-2 12274 df-n0 12472 df-z 12558 df-uz 12822 df-q 12932 df-rp 12976 df-xneg 13093 df-xadd 13094 df-xmul 13095 df-topgen 17394 df-psmet 21226 df-xmet 21227 df-bl 21229 df-mopn 21230 df-top 22740 df-topon 22757 df-bases 22793 df-lm 23077

This theorem is referenced by: lmmbr3 25132

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