| Some definitions of interest. |
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int_seg | Def {i..j } == {k: | i k < j } |
| | Thm* m,n: . {m..n } Type |
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int_upper | Def {i...} == {j: | i j } |
| | Thm* n: . {n...} Type |
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iter_via_intseg | Def Iter(f;u) i:{a..b }. e(i)
Def == if a< b f((Iter(f;u) i:{a..b-1 }. e(i)),e(b-1)) else u fi
Def (recursive) |
| | Thm* f:(A A A), u:A, a,b: , e:({a..b } A). (Iter(f;u) i:{a..b }. e(i)) A |