Step
*
2
1
1
of Lemma
mcompact-finite-subcover
1. [X] : Type
2. d : metric(X)
3. mcompact(X;d)
4. [I] : Type
5. [A] : I ⟶ X ⟶ ℙ
6. m-open-cover(X;d;I;i,x.A[i;x])
7. c : X ⟶ I
8. B : ℕ
9. ∀x,y:X. ((mdist(d;x;y) ≤ (r1/r(B + 1)))
⇒ A[c x;y])
10. n : ℕ+
11. xs : ℕn ⟶ X
12. ∀x:X. ∃i:ℕn. (mdist(d;x;xs i) ≤ (r1/r(B + 1)))
⊢ ∀x:X. ∃j:ℕn. A[c (xs j);x]
BY
{ RepeatFor 2 (ParallelLast) }
1
1. [X] : Type
2. d : metric(X)
3. mcompact(X;d)
4. [I] : Type
5. [A] : I ⟶ X ⟶ ℙ
6. m-open-cover(X;d;I;i,x.A[i;x])
7. c : X ⟶ I
8. B : ℕ
9. ∀x,y:X. ((mdist(d;x;y) ≤ (r1/r(B + 1)))
⇒ A[c x;y])
10. n : ℕ+
11. xs : ℕn ⟶ X
12. ∀x:X. ∃i:ℕn. (mdist(d;x;xs i) ≤ (r1/r(B + 1)))
13. x : X
14. i : ℕn
15. mdist(d;x;xs i) ≤ (r1/r(B + 1))
⊢ A[c (xs i);x]
Latex:
Latex:
1. [X] : Type
2. d : metric(X)
3. mcompact(X;d)
4. [I] : Type
5. [A] : I {}\mrightarrow{} X {}\mrightarrow{} \mBbbP{}
6. m-open-cover(X;d;I;i,x.A[i;x])
7. c : X {}\mrightarrow{} I
8. B : \mBbbN{}
9. \mforall{}x,y:X. ((mdist(d;x;y) \mleq{} (r1/r(B + 1))) {}\mRightarrow{} A[c x;y])
10. n : \mBbbN{}\msupplus{}
11. xs : \mBbbN{}n {}\mrightarrow{} X
12. \mforall{}x:X. \mexists{}i:\mBbbN{}n. (mdist(d;x;xs i) \mleq{} (r1/r(B + 1)))
\mvdash{} \mforall{}x:X. \mexists{}j:\mBbbN{}n. A[c (xs j);x]
By
Latex:
RepeatFor 2 (ParallelLast)
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