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Theorem caublcls 23153
Description: The convergent point of a sequence of nested balls is in the closures of any of the balls (i.e. it is in the intersection of the closures). Indeed, it is the only point in the intersection because a metric space is Hausdorff, but we don't prove this here. (Contributed by Mario Carneiro, 21-Jan-2014.) (Revised by Mario Carneiro, 1-May-2014.)
Hypotheses
Ref Expression
caubl.2 (𝜑𝐷 ∈ (∞Met‘𝑋))
caubl.3 (𝜑𝐹:ℕ⟶(𝑋 × ℝ+))
caubl.4 (𝜑 → ∀𝑛 ∈ ℕ ((ball‘𝐷)‘(𝐹‘(𝑛 + 1))) ⊆ ((ball‘𝐷)‘(𝐹𝑛)))
caublcls.6 𝐽 = (MetOpen‘𝐷)
Assertion
Ref Expression
caublcls ((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) → 𝑃 ∈ ((cls‘𝐽)‘((ball‘𝐷)‘(𝐹𝐴))))
Distinct variable groups:   𝐷,𝑛   𝑛,𝐹   𝑛,𝑋
Allowed substitution hints:   𝜑(𝑛)   𝐴(𝑛)   𝑃(𝑛)   𝐽(𝑛)

Proof of Theorem caublcls
Dummy variables 𝑘 𝑟 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eqid 2651 . 2 (ℤ𝐴) = (ℤ𝐴)
2 caubl.2 . . . 4 (𝜑𝐷 ∈ (∞Met‘𝑋))
323ad2ant1 1102 . . 3 ((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) → 𝐷 ∈ (∞Met‘𝑋))
4 caublcls.6 . . . 4 𝐽 = (MetOpen‘𝐷)
54mopntopon 22291 . . 3 (𝐷 ∈ (∞Met‘𝑋) → 𝐽 ∈ (TopOn‘𝑋))
63, 5syl 17 . 2 ((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) → 𝐽 ∈ (TopOn‘𝑋))
7 simp3 1083 . . 3 ((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) → 𝐴 ∈ ℕ)
87nnzd 11519 . 2 ((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) → 𝐴 ∈ ℤ)
9 simp2 1082 . 2 ((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) → (1st𝐹)(⇝𝑡𝐽)𝑃)
10 fveq2 6229 . . . . . . . . 9 (𝑟 = 𝐴 → (𝐹𝑟) = (𝐹𝐴))
1110fveq2d 6233 . . . . . . . 8 (𝑟 = 𝐴 → ((ball‘𝐷)‘(𝐹𝑟)) = ((ball‘𝐷)‘(𝐹𝐴)))
1211sseq1d 3665 . . . . . . 7 (𝑟 = 𝐴 → (((ball‘𝐷)‘(𝐹𝑟)) ⊆ ((ball‘𝐷)‘(𝐹𝐴)) ↔ ((ball‘𝐷)‘(𝐹𝐴)) ⊆ ((ball‘𝐷)‘(𝐹𝐴))))
1312imbi2d 329 . . . . . 6 (𝑟 = 𝐴 → (((𝜑𝐴 ∈ ℕ) → ((ball‘𝐷)‘(𝐹𝑟)) ⊆ ((ball‘𝐷)‘(𝐹𝐴))) ↔ ((𝜑𝐴 ∈ ℕ) → ((ball‘𝐷)‘(𝐹𝐴)) ⊆ ((ball‘𝐷)‘(𝐹𝐴)))))
14 fveq2 6229 . . . . . . . . 9 (𝑟 = 𝑘 → (𝐹𝑟) = (𝐹𝑘))
1514fveq2d 6233 . . . . . . . 8 (𝑟 = 𝑘 → ((ball‘𝐷)‘(𝐹𝑟)) = ((ball‘𝐷)‘(𝐹𝑘)))
1615sseq1d 3665 . . . . . . 7 (𝑟 = 𝑘 → (((ball‘𝐷)‘(𝐹𝑟)) ⊆ ((ball‘𝐷)‘(𝐹𝐴)) ↔ ((ball‘𝐷)‘(𝐹𝑘)) ⊆ ((ball‘𝐷)‘(𝐹𝐴))))
1716imbi2d 329 . . . . . 6 (𝑟 = 𝑘 → (((𝜑𝐴 ∈ ℕ) → ((ball‘𝐷)‘(𝐹𝑟)) ⊆ ((ball‘𝐷)‘(𝐹𝐴))) ↔ ((𝜑𝐴 ∈ ℕ) → ((ball‘𝐷)‘(𝐹𝑘)) ⊆ ((ball‘𝐷)‘(𝐹𝐴)))))
18 fveq2 6229 . . . . . . . . 9 (𝑟 = (𝑘 + 1) → (𝐹𝑟) = (𝐹‘(𝑘 + 1)))
1918fveq2d 6233 . . . . . . . 8 (𝑟 = (𝑘 + 1) → ((ball‘𝐷)‘(𝐹𝑟)) = ((ball‘𝐷)‘(𝐹‘(𝑘 + 1))))
2019sseq1d 3665 . . . . . . 7 (𝑟 = (𝑘 + 1) → (((ball‘𝐷)‘(𝐹𝑟)) ⊆ ((ball‘𝐷)‘(𝐹𝐴)) ↔ ((ball‘𝐷)‘(𝐹‘(𝑘 + 1))) ⊆ ((ball‘𝐷)‘(𝐹𝐴))))
2120imbi2d 329 . . . . . 6 (𝑟 = (𝑘 + 1) → (((𝜑𝐴 ∈ ℕ) → ((ball‘𝐷)‘(𝐹𝑟)) ⊆ ((ball‘𝐷)‘(𝐹𝐴))) ↔ ((𝜑𝐴 ∈ ℕ) → ((ball‘𝐷)‘(𝐹‘(𝑘 + 1))) ⊆ ((ball‘𝐷)‘(𝐹𝐴)))))
22 ssid 3657 . . . . . . 7 ((ball‘𝐷)‘(𝐹𝐴)) ⊆ ((ball‘𝐷)‘(𝐹𝐴))
23222a1i 12 . . . . . 6 (𝐴 ∈ ℤ → ((𝜑𝐴 ∈ ℕ) → ((ball‘𝐷)‘(𝐹𝐴)) ⊆ ((ball‘𝐷)‘(𝐹𝐴))))
24 caubl.4 . . . . . . . . . . 11 (𝜑 → ∀𝑛 ∈ ℕ ((ball‘𝐷)‘(𝐹‘(𝑛 + 1))) ⊆ ((ball‘𝐷)‘(𝐹𝑛)))
25 eluznn 11796 . . . . . . . . . . 11 ((𝐴 ∈ ℕ ∧ 𝑘 ∈ (ℤ𝐴)) → 𝑘 ∈ ℕ)
26 oveq1 6697 . . . . . . . . . . . . . . 15 (𝑛 = 𝑘 → (𝑛 + 1) = (𝑘 + 1))
2726fveq2d 6233 . . . . . . . . . . . . . 14 (𝑛 = 𝑘 → (𝐹‘(𝑛 + 1)) = (𝐹‘(𝑘 + 1)))
2827fveq2d 6233 . . . . . . . . . . . . 13 (𝑛 = 𝑘 → ((ball‘𝐷)‘(𝐹‘(𝑛 + 1))) = ((ball‘𝐷)‘(𝐹‘(𝑘 + 1))))
29 fveq2 6229 . . . . . . . . . . . . . 14 (𝑛 = 𝑘 → (𝐹𝑛) = (𝐹𝑘))
3029fveq2d 6233 . . . . . . . . . . . . 13 (𝑛 = 𝑘 → ((ball‘𝐷)‘(𝐹𝑛)) = ((ball‘𝐷)‘(𝐹𝑘)))
3128, 30sseq12d 3667 . . . . . . . . . . . 12 (𝑛 = 𝑘 → (((ball‘𝐷)‘(𝐹‘(𝑛 + 1))) ⊆ ((ball‘𝐷)‘(𝐹𝑛)) ↔ ((ball‘𝐷)‘(𝐹‘(𝑘 + 1))) ⊆ ((ball‘𝐷)‘(𝐹𝑘))))
3231rspccva 3339 . . . . . . . . . . 11 ((∀𝑛 ∈ ℕ ((ball‘𝐷)‘(𝐹‘(𝑛 + 1))) ⊆ ((ball‘𝐷)‘(𝐹𝑛)) ∧ 𝑘 ∈ ℕ) → ((ball‘𝐷)‘(𝐹‘(𝑘 + 1))) ⊆ ((ball‘𝐷)‘(𝐹𝑘)))
3324, 25, 32syl2an 493 . . . . . . . . . 10 ((𝜑 ∧ (𝐴 ∈ ℕ ∧ 𝑘 ∈ (ℤ𝐴))) → ((ball‘𝐷)‘(𝐹‘(𝑘 + 1))) ⊆ ((ball‘𝐷)‘(𝐹𝑘)))
3433anassrs 681 . . . . . . . . 9 (((𝜑𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → ((ball‘𝐷)‘(𝐹‘(𝑘 + 1))) ⊆ ((ball‘𝐷)‘(𝐹𝑘)))
35 sstr2 3643 . . . . . . . . 9 (((ball‘𝐷)‘(𝐹‘(𝑘 + 1))) ⊆ ((ball‘𝐷)‘(𝐹𝑘)) → (((ball‘𝐷)‘(𝐹𝑘)) ⊆ ((ball‘𝐷)‘(𝐹𝐴)) → ((ball‘𝐷)‘(𝐹‘(𝑘 + 1))) ⊆ ((ball‘𝐷)‘(𝐹𝐴))))
3634, 35syl 17 . . . . . . . 8 (((𝜑𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → (((ball‘𝐷)‘(𝐹𝑘)) ⊆ ((ball‘𝐷)‘(𝐹𝐴)) → ((ball‘𝐷)‘(𝐹‘(𝑘 + 1))) ⊆ ((ball‘𝐷)‘(𝐹𝐴))))
3736expcom 450 . . . . . . 7 (𝑘 ∈ (ℤ𝐴) → ((𝜑𝐴 ∈ ℕ) → (((ball‘𝐷)‘(𝐹𝑘)) ⊆ ((ball‘𝐷)‘(𝐹𝐴)) → ((ball‘𝐷)‘(𝐹‘(𝑘 + 1))) ⊆ ((ball‘𝐷)‘(𝐹𝐴)))))
3837a2d 29 . . . . . 6 (𝑘 ∈ (ℤ𝐴) → (((𝜑𝐴 ∈ ℕ) → ((ball‘𝐷)‘(𝐹𝑘)) ⊆ ((ball‘𝐷)‘(𝐹𝐴))) → ((𝜑𝐴 ∈ ℕ) → ((ball‘𝐷)‘(𝐹‘(𝑘 + 1))) ⊆ ((ball‘𝐷)‘(𝐹𝐴)))))
3913, 17, 21, 17, 23, 38uzind4 11784 . . . . 5 (𝑘 ∈ (ℤ𝐴) → ((𝜑𝐴 ∈ ℕ) → ((ball‘𝐷)‘(𝐹𝑘)) ⊆ ((ball‘𝐷)‘(𝐹𝐴))))
4039impcom 445 . . . 4 (((𝜑𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → ((ball‘𝐷)‘(𝐹𝑘)) ⊆ ((ball‘𝐷)‘(𝐹𝐴)))
41403adantl2 1238 . . 3 (((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → ((ball‘𝐷)‘(𝐹𝑘)) ⊆ ((ball‘𝐷)‘(𝐹𝐴)))
423adantr 480 . . . . 5 (((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → 𝐷 ∈ (∞Met‘𝑋))
43 simpl1 1084 . . . . . . . 8 (((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → 𝜑)
44 caubl.3 . . . . . . . 8 (𝜑𝐹:ℕ⟶(𝑋 × ℝ+))
4543, 44syl 17 . . . . . . 7 (((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → 𝐹:ℕ⟶(𝑋 × ℝ+))
46253ad2antl3 1245 . . . . . . 7 (((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → 𝑘 ∈ ℕ)
4745, 46ffvelrnd 6400 . . . . . 6 (((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → (𝐹𝑘) ∈ (𝑋 × ℝ+))
48 xp1st 7242 . . . . . 6 ((𝐹𝑘) ∈ (𝑋 × ℝ+) → (1st ‘(𝐹𝑘)) ∈ 𝑋)
4947, 48syl 17 . . . . 5 (((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → (1st ‘(𝐹𝑘)) ∈ 𝑋)
50 xp2nd 7243 . . . . . 6 ((𝐹𝑘) ∈ (𝑋 × ℝ+) → (2nd ‘(𝐹𝑘)) ∈ ℝ+)
5147, 50syl 17 . . . . 5 (((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → (2nd ‘(𝐹𝑘)) ∈ ℝ+)
52 blcntr 22265 . . . . 5 ((𝐷 ∈ (∞Met‘𝑋) ∧ (1st ‘(𝐹𝑘)) ∈ 𝑋 ∧ (2nd ‘(𝐹𝑘)) ∈ ℝ+) → (1st ‘(𝐹𝑘)) ∈ ((1st ‘(𝐹𝑘))(ball‘𝐷)(2nd ‘(𝐹𝑘))))
5342, 49, 51, 52syl3anc 1366 . . . 4 (((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → (1st ‘(𝐹𝑘)) ∈ ((1st ‘(𝐹𝑘))(ball‘𝐷)(2nd ‘(𝐹𝑘))))
54 fvco3 6314 . . . . 5 ((𝐹:ℕ⟶(𝑋 × ℝ+) ∧ 𝑘 ∈ ℕ) → ((1st𝐹)‘𝑘) = (1st ‘(𝐹𝑘)))
5545, 46, 54syl2anc 694 . . . 4 (((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → ((1st𝐹)‘𝑘) = (1st ‘(𝐹𝑘)))
56 1st2nd2 7249 . . . . . . 7 ((𝐹𝑘) ∈ (𝑋 × ℝ+) → (𝐹𝑘) = ⟨(1st ‘(𝐹𝑘)), (2nd ‘(𝐹𝑘))⟩)
5747, 56syl 17 . . . . . 6 (((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → (𝐹𝑘) = ⟨(1st ‘(𝐹𝑘)), (2nd ‘(𝐹𝑘))⟩)
5857fveq2d 6233 . . . . 5 (((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → ((ball‘𝐷)‘(𝐹𝑘)) = ((ball‘𝐷)‘⟨(1st ‘(𝐹𝑘)), (2nd ‘(𝐹𝑘))⟩))
59 df-ov 6693 . . . . 5 ((1st ‘(𝐹𝑘))(ball‘𝐷)(2nd ‘(𝐹𝑘))) = ((ball‘𝐷)‘⟨(1st ‘(𝐹𝑘)), (2nd ‘(𝐹𝑘))⟩)
6058, 59syl6eqr 2703 . . . 4 (((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → ((ball‘𝐷)‘(𝐹𝑘)) = ((1st ‘(𝐹𝑘))(ball‘𝐷)(2nd ‘(𝐹𝑘))))
6153, 55, 603eltr4d 2745 . . 3 (((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → ((1st𝐹)‘𝑘) ∈ ((ball‘𝐷)‘(𝐹𝑘)))
6241, 61sseldd 3637 . 2 (((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) ∧ 𝑘 ∈ (ℤ𝐴)) → ((1st𝐹)‘𝑘) ∈ ((ball‘𝐷)‘(𝐹𝐴)))
6344ffvelrnda 6399 . . . . . . 7 ((𝜑𝐴 ∈ ℕ) → (𝐹𝐴) ∈ (𝑋 × ℝ+))
64633adant2 1100 . . . . . 6 ((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) → (𝐹𝐴) ∈ (𝑋 × ℝ+))
65 1st2nd2 7249 . . . . . 6 ((𝐹𝐴) ∈ (𝑋 × ℝ+) → (𝐹𝐴) = ⟨(1st ‘(𝐹𝐴)), (2nd ‘(𝐹𝐴))⟩)
6664, 65syl 17 . . . . 5 ((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) → (𝐹𝐴) = ⟨(1st ‘(𝐹𝐴)), (2nd ‘(𝐹𝐴))⟩)
6766fveq2d 6233 . . . 4 ((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) → ((ball‘𝐷)‘(𝐹𝐴)) = ((ball‘𝐷)‘⟨(1st ‘(𝐹𝐴)), (2nd ‘(𝐹𝐴))⟩))
68 df-ov 6693 . . . 4 ((1st ‘(𝐹𝐴))(ball‘𝐷)(2nd ‘(𝐹𝐴))) = ((ball‘𝐷)‘⟨(1st ‘(𝐹𝐴)), (2nd ‘(𝐹𝐴))⟩)
6967, 68syl6eqr 2703 . . 3 ((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) → ((ball‘𝐷)‘(𝐹𝐴)) = ((1st ‘(𝐹𝐴))(ball‘𝐷)(2nd ‘(𝐹𝐴))))
70 xp1st 7242 . . . . 5 ((𝐹𝐴) ∈ (𝑋 × ℝ+) → (1st ‘(𝐹𝐴)) ∈ 𝑋)
7164, 70syl 17 . . . 4 ((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) → (1st ‘(𝐹𝐴)) ∈ 𝑋)
72 xp2nd 7243 . . . . . 6 ((𝐹𝐴) ∈ (𝑋 × ℝ+) → (2nd ‘(𝐹𝐴)) ∈ ℝ+)
7364, 72syl 17 . . . . 5 ((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) → (2nd ‘(𝐹𝐴)) ∈ ℝ+)
7473rpxrd 11911 . . . 4 ((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) → (2nd ‘(𝐹𝐴)) ∈ ℝ*)
75 blssm 22270 . . . 4 ((𝐷 ∈ (∞Met‘𝑋) ∧ (1st ‘(𝐹𝐴)) ∈ 𝑋 ∧ (2nd ‘(𝐹𝐴)) ∈ ℝ*) → ((1st ‘(𝐹𝐴))(ball‘𝐷)(2nd ‘(𝐹𝐴))) ⊆ 𝑋)
763, 71, 74, 75syl3anc 1366 . . 3 ((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) → ((1st ‘(𝐹𝐴))(ball‘𝐷)(2nd ‘(𝐹𝐴))) ⊆ 𝑋)
7769, 76eqsstrd 3672 . 2 ((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) → ((ball‘𝐷)‘(𝐹𝐴)) ⊆ 𝑋)
781, 6, 8, 9, 62, 77lmcls 21154 1 ((𝜑 ∧ (1st𝐹)(⇝𝑡𝐽)𝑃𝐴 ∈ ℕ) → 𝑃 ∈ ((cls‘𝐽)‘((ball‘𝐷)‘(𝐹𝐴))))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 383  w3a 1054   = wceq 1523  wcel 2030  wral 2941  wss 3607  cop 4216   class class class wbr 4685   × cxp 5141  ccom 5147  wf 5922  cfv 5926  (class class class)co 6690  1st c1st 7208  2nd c2nd 7209  1c1 9975   + caddc 9977  *cxr 10111  cn 11058  cz 11415  cuz 11725  +crp 11870  ∞Metcxmt 19779  ballcbl 19781  MetOpencmopn 19784  TopOnctopon 20763  clsccl 20870  𝑡clm 21078
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1762  ax-4 1777  ax-5 1879  ax-6 1945  ax-7 1981  ax-8 2032  ax-9 2039  ax-10 2059  ax-11 2074  ax-12 2087  ax-13 2282  ax-ext 2631  ax-rep 4804  ax-sep 4814  ax-nul 4822  ax-pow 4873  ax-pr 4936  ax-un 6991  ax-cnex 10030  ax-resscn 10031  ax-1cn 10032  ax-icn 10033  ax-addcl 10034  ax-addrcl 10035  ax-mulcl 10036  ax-mulrcl 10037  ax-mulcom 10038  ax-addass 10039  ax-mulass 10040  ax-distr 10041  ax-i2m1 10042  ax-1ne0 10043  ax-1rid 10044  ax-rnegex 10045  ax-rrecex 10046  ax-cnre 10047  ax-pre-lttri 10048  ax-pre-lttrn 10049  ax-pre-ltadd 10050  ax-pre-mulgt0 10051  ax-pre-sup 10052
This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3or 1055  df-3an 1056  df-tru 1526  df-ex 1745  df-nf 1750  df-sb 1938  df-eu 2502  df-mo 2503  df-clab 2638  df-cleq 2644  df-clel 2647  df-nfc 2782  df-ne 2824  df-nel 2927  df-ral 2946  df-rex 2947  df-reu 2948  df-rmo 2949  df-rab 2950  df-v 3233  df-sbc 3469  df-csb 3567  df-dif 3610  df-un 3612  df-in 3614  df-ss 3621  df-pss 3623  df-nul 3949  df-if 4120  df-pw 4193  df-sn 4211  df-pr 4213  df-tp 4215  df-op 4217  df-uni 4469  df-int 4508  df-iun 4554  df-iin 4555  df-br 4686  df-opab 4746  df-mpt 4763  df-tr 4786  df-id 5053  df-eprel 5058  df-po 5064  df-so 5065  df-fr 5102  df-we 5104  df-xp 5149  df-rel 5150  df-cnv 5151  df-co 5152  df-dm 5153  df-rn 5154  df-res 5155  df-ima 5156  df-pred 5718  df-ord 5764  df-on 5765  df-lim 5766  df-suc 5767  df-iota 5889  df-fun 5928  df-fn 5929  df-f 5930  df-f1 5931  df-fo 5932  df-f1o 5933  df-fv 5934  df-riota 6651  df-ov 6693  df-oprab 6694  df-mpt2 6695  df-om 7108  df-1st 7210  df-2nd 7211  df-wrecs 7452  df-recs 7513  df-rdg 7551  df-er 7787  df-map 7901  df-pm 7902  df-en 7998  df-dom 7999  df-sdom 8000  df-sup 8389  df-inf 8390  df-pnf 10114  df-mnf 10115  df-xr 10116  df-ltxr 10117  df-le 10118  df-sub 10306  df-neg 10307  df-div 10723  df-nn 11059  df-2 11117  df-n0 11331  df-z 11416  df-uz 11726  df-q 11827  df-rp 11871  df-xneg 11984  df-xadd 11985  df-xmul 11986  df-topgen 16151  df-psmet 19786  df-xmet 19787  df-bl 19789  df-mopn 19790  df-top 20747  df-topon 20764  df-bases 20798  df-cld 20871  df-ntr 20872  df-cls 20873  df-lm 21081
This theorem is referenced by:  bcthlem3  23169  heiborlem8  33747
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