| Some definitions of interest. |
|
strict_part | Def strict_part(x,y.R(x;y);a;b) == R(a;b) & R(b;a) |
| | Thm* T:Type, R:(TTProp), a,b:T. strict_part(x,y.R(x,y);a;b) Prop |
|
not | Def A == A False |
| | Thm* A:Prop. (A) Prop |
|
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:(TTProp). (Trans x,y:T. E(x,y)) Prop |