B == 
B < A
i,j:
. (ij) 
Prop
j
[i / upto(i+1;j)] else nil fi (recursive)i,j:
. upto(i;j) {i..j
} List| Some definitions of interest. | |
| le | Def AB == B < A |
| Thm* i,j:. (ij) Prop | |
| upto | Def upto(i;j) == if i < j [i / upto(i+1;j)] else nil fi (recursive) |
| Thm* i,j:. upto(i;j) {i..j} List |
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