| Some definitions of interest. |
|
decidable | Def Dec(P) == P P |
| | Thm* A:Prop. Dec(A) Prop |
|
int_seg | Def {i..j } == {k: | i k < j } |
| | Thm* m,n: . {m..n } Type |
|
nat | Def == {i: | 0 i } |
| | Thm* Type |
|
rel_exp | Def R^n == if n= 0 x,y. x = y T else x,y. z:T. (x R z) & (z R^n-1 y) fi
Def (recursive) |
| | Thm* n: , T:Type, R:(T T Prop). R^n T T Prop |