n,m:
, f:(n
m
). sum(f(x,y) | x < n; y < m) 
} == {k:| i 
k < j }m,n:. {m..n} Type == {i:| 0i } Type
x,n. n+f(x))n:, f:(n). sum(f(x) | x < n) | Some definitions of interest. | |
| double_sum | |
| n,m:, f:(nm). sum(f(x,y) | x < n; y < m) | |
| int_seg | } == {k:| i k < j } |
| m,n:. {m..n} Type | |
| nat | == {i:| 0i } |
| Type | |
| sum | x,n. n+f(x)) |
| n:, f:(n). sum(f(x) | x < n) |
About:
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