} == {k:
| i 
k < j }
m,n:. {m..n} 
Type
A == A 
FalseA:Prop. (A) PropA:Type, l:A List, n:. 0n n<||l|| l[n] A
0
nil else upto(n-1) @ [(n-1)] fi (recursive)n:
. upto(n) n List| Some definitions of interest. | |
| int_seg | } == {k:| i k < j } |
| m,n:. {m..n} Type | |
| not | A == A False |
| A:Prop. (A) Prop | |
| select | |
| A:Type, l:A List, n:. 0n n<||l|| l[n] A | |
| upto | 0 nil else upto(n-1) @ [(n-1)] fi (recursive) |
| n:. upto(n) n List |
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