Step
*
2
2
of Lemma
strong-continuous-union
1. F : Type ⟶ Type
2. G : Type ⟶ Type
3. Continuous+(T.F T)
4. Continuous+(T.G T)
5. X : ℕ ⟶ Type
6. y : G (⋂n:ℕ. (X n))
7. n : ℕ
⊢ y ∈ G (X n)
BY
{ (SubsumeC ⌜⋂n:ℕ. (G (X n))⌝⋅
THEN Try ((DoSubsume THEN Auto THEN BackThruSomeHyp')⋅)
THEN (D 0 THEN Auto)
THEN With ⌜n⌝ (D (-1))⋅
THEN Auto)⋅ }
Latex:
Latex:
1. F : Type {}\mrightarrow{} Type
2. G : Type {}\mrightarrow{} Type
3. Continuous+(T.F T)
4. Continuous+(T.G T)
5. X : \mBbbN{} {}\mrightarrow{} Type
6. y : G (\mcap{}n:\mBbbN{}. (X n))
7. n : \mBbbN{}
\mvdash{} y \mmember{} G (X n)
By
Latex:
(SubsumeC \mkleeneopen{}\mcap{}n:\mBbbN{}. (G (X n))\mkleeneclose{}\mcdot{}
THEN Try ((DoSubsume THEN Auto THEN BackThruSomeHyp')\mcdot{})
THEN (D 0 THEN Auto)
THEN With \mkleeneopen{}n\mkleeneclose{} (D (-1))\mcdot{}
THEN Auto)\mcdot{}
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