Step * of Lemma member-countable-p-union

p:FinProbSpace. ∀A:ℕ ─→ p-open(p). ∀s:ℕ ─→ Outcome.  ((∃i:ℕs ∈ A[i])  s ∈ countable-p-union(i.A[i]))
BY
(Auto THEN ((Unfold `p-open-member` (-1) THEN ExRepD) THEN Unfold `p-open-member` 0)⋅}

1
1. FinProbSpace@i
2. : ℕ ─→ p-open(p)@i
3. : ℕ ─→ Outcome@i
4. : ℕ@i
5. : ℕ@i
6. (A[i] <n, s>1 ∈ ℤ@i
⊢ ∃n:ℕ((countable-p-union(i.A[i]) <n, s>1 ∈ ℤ)


Latex:


\mforall{}p:FinProbSpace.  \mforall{}A:\mBbbN{}  {}\mrightarrow{}  p-open(p).  \mforall{}s:\mBbbN{}  {}\mrightarrow{}  Outcome.
    ((\mexists{}i:\mBbbN{}.  s  \mmember{}  A[i])  {}\mRightarrow{}  s  \mmember{}  countable-p-union(i.A[i]))


By

(Auto  THEN  ((Unfold  `p-open-member`  (-1)  THEN  ExRepD)  THEN  Unfold  `p-open-member`  0)\mcdot{})




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