Step * 1 of Lemma DNS-iff-not-not-GMP


1. : ℕ ⟶ ℙ
2. DNSi.A[i]@i
⊢ ¬¬GMPi.A[i])
BY
(Unfold `generalized-markov-principle` THEN Unfold `double-negation-shift` (-1)) }

1
1. : ℕ ⟶ ℙ
2. (∀i:ℕ(¬¬A[i]))  (¬¬(∀i:ℕA[i]))@i
⊢ ¬¬((¬(∀i:ℕA[i]))  (∃n:ℕA[n])))


Latex:


Latex:

1.  A  :  \mBbbN{}  {}\mrightarrow{}  \mBbbP{}
2.  DNSi.A[i]@i
\mvdash{}  \mneg{}\mneg{}GMPi.A[i])


By


Latex:
(Unfold  `generalized-markov-principle`  0  THEN  Unfold  `double-negation-shift`  (-1))




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