| Some definitions of interest. |
|
eq_int | Def i=j == if i=j true ; false fi |
| | Thm* i,j:. (i=j) |
|
injection_type | Def A inj B == {f:(AB)| Inj(A; B; f) } |
| | Thm* A,B:Type. A inj B Type |
|
int_seg | Def {i..j} == {k:| i k < j } |
| | Thm* m,n:. {m..n} Type |
|
nat | Def == {i:| 0i } |
| | Thm* Type |
|
nat_plus | Def == {i:| 0<i } |
| | Thm* Type |
|
not | Def A == A False |
| | Thm* A:Prop. (A) Prop |