b == if b
True else False fi
b:
. b 
Prop
0 then 0 else m 
n fi m,n:
. ndiv(m;n) j == if i=j true ; false fii,j:
. (i=j) == {i:| 0
i } Type S
A == A 
FalseA:Prop. (A) Prop| Some definitions of interest. | |
| assert | b == if b True else False fi |
| b:. b Prop | |
| ndiv | 0 then 0 else m n fi |
| m,n:. ndiv(m;n) | |
| eq_int | j == if i=j true ; false fi |
| i,j:. (i=j) | |
| nat | == {i:| 0i } |
| Type | |
| S | |
| not | A == A False |
| A:Prop. (A) Prop |
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