} == if n
m
nil else f(m).f{(m+1)..n} fi (recursive)
T:Type, m,n:
, f:({m..n}
T). f{m..n} 
T List
== {i:| 0i } TypeA:Type, l:A List, n:. 0n 
n<||l|| l[n] A| Some definitions of interest. | |
| listify | } == if nm nil else f(m).f{(m+1)..n} fi (recursive) |
| T:Type, m,n:, f:({m..n}T). f{m..n} T List | |
| nat | == {i:| 0i } |
| Type | |
| select | |
| A:Type, l:A List, n:. 0n n<||l|| l[n] A |
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