} == {k:
| i 
k < j }
m,n:. {m..n} 
Type| ij }n:. {n...} TypeDef ==
P:(A
Prop). (j:A. (k:A. R(k;j) 
P(k)) P(j)) {n:A. P(n)}A:Type{i}, r:(AAProp{i}). WellFnd{i}(A;x,y.r(x,y)) Prop{i'}| Some definitions of interest. | |
| int_seg | } == {k:| i k < j } |
| m,n:. {m..n} Type | |
| int_upper | | ij } |
| n:. {n...} Type | |
| wellfounded | Def == P:(AProp). (j:A. (k:A. R(k;j) P(k)) P(j)) {n:A. P(n)} |
| A:Type{i}, r:(AAProp{i}). WellFnd{i}(A;x,y.r(x,y)) Prop{i'} |
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