Step
*
1
1
of Lemma
m-TB-iff
1. [X] : Type
2. [d] : metric(X)
3. B : ℕ ⟶ ℕ+
4. t2 : k:ℕ ⟶ ℕB k ⟶ X
5. t3 : X ⟶ k:ℕ ⟶ ℕB k
6. [%2] : ∀p:X. ∀k:ℕ. (mdist(d;p;t2 k (t3 p k)) ≤ (r1/r(k + 1)))
7. k : ℕ
⊢ ∃n:ℕ+. ∃xs:ℕn ⟶ X. ∀x:X. ∃i:ℕn. (mdist(d;x;xs i) ≤ (r1/r(k + 1)))
BY
{ ((D 0 With ⌜B k⌝ THENA Auto) THEN (D 0 With ⌜t2 k⌝ THEN Auto) THEN D 0 With ⌜t3 x k⌝ THEN Auto) }
Latex:
Latex:
1. [X] : Type
2. [d] : metric(X)
3. B : \mBbbN{} {}\mrightarrow{} \mBbbN{}\msupplus{}
4. t2 : k:\mBbbN{} {}\mrightarrow{} \mBbbN{}B k {}\mrightarrow{} X
5. t3 : X {}\mrightarrow{} k:\mBbbN{} {}\mrightarrow{} \mBbbN{}B k
6. [\%2] : \mforall{}p:X. \mforall{}k:\mBbbN{}. (mdist(d;p;t2 k (t3 p k)) \mleq{} (r1/r(k + 1)))
7. k : \mBbbN{}
\mvdash{} \mexists{}n:\mBbbN{}\msupplus{}. \mexists{}xs:\mBbbN{}n {}\mrightarrow{} X. \mforall{}x:X. \mexists{}i:\mBbbN{}n. (mdist(d;x;xs i) \mleq{} (r1/r(k + 1)))
By
Latex:
((D 0 With \mkleeneopen{}B k\mkleeneclose{} THENA Auto) THEN (D 0 With \mkleeneopen{}t2 k\mkleeneclose{} THEN Auto) THEN D 0 With \mkleeneopen{}t3 x k\mkleeneclose{} THEN Auto)
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