Step
*
of Lemma
nth_tl_wf
∀[A:Type]. ∀[as:A List]. ∀[i:ℤ]. (nth_tl(i;as) ∈ A List)
BY
{ (UnivCD THENA Auto) }
1
1. A : Type
2. as : A List
3. i : ℤ
⊢ nth_tl(i;as) ∈ A List
Latex:
Latex:
\mforall{}[A:Type]. \mforall{}[as:A List]. \mforall{}[i:\mBbbZ{}]. (nth\_tl(i;as) \mmember{} A List)
By
Latex:
(UnivCD THENA Auto)
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