f:(T
). 
x,y:T. R(x;y) 
f(x)<f(y)T:Type, R:(TTType). SWellFounded(R(x,y)) 
Prop == {i:
| 0
i } TypeDef ==
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'}| Some definitions of interest. | |
| strongwellfounded | f:(T). x,y:T. R(x;y) f(x)<f(y) |
| T:Type, R:(TTType). SWellFounded(R(x,y)) Prop | |
| nat | == {i:| 0i } |
| 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'} |
About:
 |  |  |  |  |  |  |
 |  |  |  |  |  |