| Some definitions of interest. |
|
is_finite_type | Def Finite(A) == n: . A ~ n |
| | Thm* A:Type. Finite(A) Prop |
|
int_seg | Def {i..j } == {k: | i k < j } |
| | Thm* m,n: . {m..n } Type |
|
nat_plus | Def  == {i: | 0<i } |
| | Thm*  Type |
|
trans | Def Trans x,y:T. E(x;y) == a,b,c:T. E(a;b)  E(b;c)  E(a;c) |
| | Thm* T:Type, E:(T T Prop). (Trans x,y:T. E(x;y)) Prop |