i
i else -i fi
x:
. |x| 
i,j:. (i > j) Prop
Q == (P 
Q) & (P Q)A,B:Prop. (A B) Prop
== {i:| i 
0 } Type| Some definitions of interest. | |
| absval | Def |i| == if 0i i else -i fi |
| Thm* x:. |x| | |
| 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 |
About:
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