Step
*
of Lemma
mcompact-product
∀k:ℕ. ∀X:ℕk ⟶ Type. ∀d:i:ℕk ⟶ metric(X i). ((∀i:ℕk. mcompact(X i;d i))
⇒ mcompact(i:ℕk ⟶ (X i);prod-metric(k;d)))
BY
{ (Auto THEN D 0 THEN Try ((BLemma `m-TB-product` THEN Auto))) }
1
1. k : ℕ
2. X : ℕk ⟶ Type
3. d : i:ℕk ⟶ metric(X i)
4. ∀i:ℕk. mcompact(X i;d i)
⊢ mcomplete(i:ℕk ⟶ (X i) with prod-metric(k;d))
Latex:
Latex:
\mforall{}k:\mBbbN{}. \mforall{}X:\mBbbN{}k {}\mrightarrow{} Type. \mforall{}d:i:\mBbbN{}k {}\mrightarrow{} metric(X i).
((\mforall{}i:\mBbbN{}k. mcompact(X i;d i)) {}\mRightarrow{} mcompact(i:\mBbbN{}k {}\mrightarrow{} (X i);prod-metric(k;d)))
By
Latex:
(Auto THEN D 0 THEN Try ((BLemma `m-TB-product` THEN Auto)))
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