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Theorem lmmbr2 25200

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 23146. (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 25199	. 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 1087	. . . 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 12856	. . . . . . . . . 10 ⊢ ℤ_≥:ℤ⟶𝒫 ℤ
6		ffn 6722	. . . . . . . . . 10 ⊢ (ℤ_≥:ℤ⟶𝒫 ℤ → ℤ_≥ Fn ℤ)
7		reseq2 5980	. . . . . . . . . . . 12 ⊢ (𝑦 = (ℤ_≥‘𝑗) → (𝐹 ↾ 𝑦) = (𝐹 ↾ (ℤ_≥‘𝑗)))
8		id 22	. . . . . . . . . . . 12 ⊢ (𝑦 = (ℤ_≥‘𝑗) → 𝑦 = (ℤ_≥‘𝑗))
9	7, 8	feq12d 6710	. . . . . . . . . . 11 ⊢ (𝑦 = (ℤ_≥‘𝑗) → ((𝐹 ↾ 𝑦):𝑦⟶(𝑃(ball‘𝐷)𝑥) ↔ (𝐹 ↾ (ℤ_≥‘𝑗)):(ℤ_≥‘𝑗)⟶(𝑃(ball‘𝐷)𝑥)))
10	9	rexrn 7097	. . . . . . . . . 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 1197	. . . . . . . . . . . . . 14 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ 𝑥 ∈ ℝ⁺) → 𝐹 ∈ (𝑋 ↑_pm ℂ))
13		elfvdm 6934	. . . . . . . . . . . . . . . 16 ⊢ (𝐷 ∈ (∞Met‘𝑋) → 𝑋 ∈ dom ∞Met)
14	13	3ad2ant1 1131	. . . . . . . . . . . . . . 15 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ (𝐹 ∈ (𝑋 ↑_pm ℂ) ∧ 𝑃 ∈ 𝑋) ∧ 𝑥 ∈ ℝ⁺) → 𝑋 ∈ dom ∞Met)
15		cnex 11220	. . . . . . . . . . . . . . 15 ⊢ ℂ ∈ V
16		elpmg 8862	. . . . . . . . . . . . . . 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 7135	. . . . . . . . . . . 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 13016	. . . . . . . . . . . . . . . . 17 ⊢ (𝑥 ∈ ℝ⁺ → 𝑥 ∈ ℝ^*)
23		elbl 24307	. . . . . . . . . . . . . . . . 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 1163	. . . . . . . . . . . . . . . 16 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ 𝑃 ∈ 𝑋 ∧ 𝑥 ∈ ℝ⁺) → ((𝐹‘𝑘) ∈ (𝑃(ball‘𝐷)𝑥) ↔ ((𝐹‘𝑘) ∈ 𝑋 ∧ (𝑃𝐷(𝐹‘𝑘)) < 𝑥)))
25		xmetsym 24266	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ 𝑃 ∈ 𝑋 ∧ (𝐹‘𝑘) ∈ 𝑋) → (𝑃𝐷(𝐹‘𝑘)) = ((𝐹‘𝑘)𝐷𝑃))
26	25	breq1d 5158	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ 𝑃 ∈ 𝑋 ∧ (𝐹‘𝑘) ∈ 𝑋) → ((𝑃𝐷(𝐹‘𝑘)) < 𝑥 ↔ ((𝐹‘𝑘)𝐷𝑃) < 𝑥))
27	26	3expa 1116	. . . . . . . . . . . . . . . . . 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 1130	. . . . . . . . . . . . . . . 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 1176	. . . . . . . . . . . . . 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 629	. . . . . . . . . . . . 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 1093	. . . . . . . . . . . . 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 3174	. . . . . . . . . . 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 3175	. . . . . . . . 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 1116	. . . . . . 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 3172	. . . . . 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 1087	. . 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 1085 = wceq 1534 ∈ wcel 2099 ∀wral 3058 ∃wrex 3067 Vcvv 3471 ⊆ wss 3947 𝒫 cpw 4603 class class class wbr 5148 × cxp 5676 dom cdm 5678 ran crn 5679 ↾ cres 5680 Fun wfun 6542 Fn wfn 6543 ⟶wf 6544 ‘cfv 6548 (class class class)co 7420 ↑_pm cpm 8846 ℂcc 11137 ℝ^*cxr 11278 < clt 11279 ℤcz 12589 ℤ_≥cuz 12853 ℝ⁺crp 13007 ∞Metcxmet 21264 ballcbl 21266 MetOpencmopn 21269 ⇝_𝑡clm 23143

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2167 ax-ext 2699 ax-sep 5299 ax-nul 5306 ax-pow 5365 ax-pr 5429 ax-un 7740 ax-cnex 11195 ax-resscn 11196 ax-1cn 11197 ax-icn 11198 ax-addcl 11199 ax-addrcl 11200 ax-mulcl 11201 ax-mulrcl 11202 ax-mulcom 11203 ax-addass 11204 ax-mulass 11205 ax-distr 11206 ax-i2m1 11207 ax-1ne0 11208 ax-1rid 11209 ax-rnegex 11210 ax-rrecex 11211 ax-cnre 11212 ax-pre-lttri 11213 ax-pre-lttrn 11214 ax-pre-ltadd 11215 ax-pre-mulgt0 11216 ax-pre-sup 11217

This theorem depends on definitions: df-bi 206 df-an 396 df-or 847 df-3or 1086 df-3an 1087 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2530 df-eu 2559 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-rmo 3373 df-reu 3374 df-rab 3430 df-v 3473 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3966 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-op 4636 df-uni 4909 df-iun 4998 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5576 df-eprel 5582 df-po 5590 df-so 5591 df-fr 5633 df-we 5635 df-xp 5684 df-rel 5685 df-cnv 5686 df-co 5687 df-dm 5688 df-rn 5689 df-res 5690 df-ima 5691 df-pred 6305 df-ord 6372 df-on 6373 df-lim 6374 df-suc 6375 df-iota 6500 df-fun 6550 df-fn 6551 df-f 6552 df-f1 6553 df-fo 6554 df-f1o 6555 df-fv 6556 df-riota 7376 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7871 df-1st 7993 df-2nd 7994 df-frecs 8287 df-wrecs 8318 df-recs 8392 df-rdg 8431 df-er 8725 df-map 8847 df-pm 8848 df-en 8965 df-dom 8966 df-sdom 8967 df-sup 9466 df-inf 9467 df-pnf 11281 df-mnf 11282 df-xr 11283 df-ltxr 11284 df-le 11285 df-sub 11477 df-neg 11478 df-div 11903 df-nn 12244 df-2 12306 df-n0 12504 df-z 12590 df-uz 12854 df-q 12964 df-rp 13008 df-xneg 13125 df-xadd 13126 df-xmul 13127 df-topgen 17425 df-psmet 21271 df-xmet 21272 df-bl 21274 df-mopn 21275 df-top 22809 df-topon 22826 df-bases 22862 df-lm 23146

This theorem is referenced by: lmmbr3 25201

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