| Some definitions of interest. |
|
gt | Def i > j == j < i |
| | Thm* i,j: . (i > j) Prop |
|
iff | Def P  Q == (P  Q) & (P  Q) |
| | Thm* A,B:Prop. (A  B) Prop |
|
int_nzero | Def   == {i: | i 0 } |
| | Thm*   Type |
|
nat | Def == {i: | 0 i } |
| | Thm* Type |
|
prime | Def prime(a) == a = 0 & (a ~ 1) & ( b,c: . (a | (b c))  (a | b) (a | c)) |
| | Thm* a: . prime(a) Prop |
|
not | Def A == A  False |
| | Thm* A:Prop. ( A) Prop |