| Some definitions of interest. |
|
ge | Def ij == ji |
| | Thm* i,j:. (ij) Prop |
|
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 |
|
le | Def AB == B<A |
| | Thm* i,j:. (ij) Prop |
|
nequal | Def a b T == a = b T |
| | Thm* A:Type, x,y:A. (x y) Prop |
|
not | Def A == A False |
| | Thm* A:Prop. (A) Prop |