Step
*
2
1
1
of Lemma
decidable__reducible
1. ∀n:ℕ. Dec((n = 0 ∈ ℤ) ∨ reducible(n))
2. n : ℕ
3. n = 0 ∈ ℤ
⊢ ¬reducible(0)
BY
{ (D 0 THEN Auto) }
1
1. ∀n:ℕ. Dec((n = 0 ∈ ℤ) ∨ reducible(n))
2. n : ℕ
3. n = 0 ∈ ℤ
4. reducible(0)
⊢ False
Latex:
Latex:
1. \mforall{}n:\mBbbN{}. Dec((n = 0) \mvee{} reducible(n))
2. n : \mBbbN{}
3. n = 0
\mvdash{} \mneg{}reducible(0)
By
Latex:
(D 0 THEN Auto)
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