i,j:
. (i > j) 
Prop
Q == (P 
Q) & (P Q)A,B:Prop. (A B) Prop
== {i:| 0 < i } Type| 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 | |
| nat_plus | Def == {i:| 0 < i } |
| Thm* Type |
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