Step
*
of Lemma
gamma-neighbourhood-prop3
∀beta:ℕ ⟶ ℕ. ∀n,m:ℕ.
(((beta 0) = 0 ∈ ℤ)
⇒ (↑isl(gamma-neighbourhood(beta;0s^(n)) 0s^(m)))
⇒ (n < m ∧ ((gamma-neighbourhood(beta;0s^(n)) 0s^(m)) = (inl 0) ∈ (ℕ?))))
BY
{ (UnivCD THENA Auto) }
1
1. beta : ℕ ⟶ ℕ
2. n : ℕ
3. m : ℕ
4. (beta 0) = 0 ∈ ℤ
5. ↑isl(gamma-neighbourhood(beta;0s^(n)) 0s^(m))
⊢ n < m ∧ ((gamma-neighbourhood(beta;0s^(n)) 0s^(m)) = (inl 0) ∈ (ℕ?))
Latex:
Latex:
\mforall{}beta:\mBbbN{} {}\mrightarrow{} \mBbbN{}. \mforall{}n,m:\mBbbN{}.
(((beta 0) = 0)
{}\mRightarrow{} (\muparrow{}isl(gamma-neighbourhood(beta;0s\^{}(n)) 0s\^{}(m)))
{}\mRightarrow{} (n < m \mwedge{} ((gamma-neighbourhood(beta;0s\^{}(n)) 0s\^{}(m)) = (inl 0))))
By
Latex:
(UnivCD THENA Auto)
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