b == if b
True else False fi
b:
. b 
Prop
j == if i=j true ; false fii,j:
. (i=j) 
Q == (P 
Q) & (P Q)A,B:Prop. (A B) Prop
b.den+b.numa.den)/(a.denb.den)p,q:
. p +q q q:. q.den 
q:. q.num == 
Type| Some definitions of interest. | |
| assert | b == if b True else False fi |
| b:. b Prop | |
| eq_int | j == if i=j true ; false fi |
| i,j:. (i=j) | |
| iff | Q == (P Q) & (P Q) |
| A,B:Prop. (A B) Prop | |
| qadd | b.den+b.numa.den)/(a.denb.den) |
| p,q:. p +q q | |
| qdenom | |
| q:. q.den | |
| qnumer | |
| q:. q.num | |
| rat | == |
| Type |
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