====== Between ======
{{tag>arithmetic}}
===== Description =====
K is an integer between the integers I and J inclusive in predicat mybetween(I,J,K).

**Source**:  The Art of Prolog
===== Download =====
Program source code: {{between.pl}}
===== Listing =====
<code prolog>
/*  
  mybetween(I,J,K) :- K is an integer between the integers I and J inclusive.
*/
     mybetween(I,J,I) :- I =< J.
     mybetween(I,J,K) :- I < J, I1 is I + 1, mybetween(I1,J,K).

%  Program 8.5   Generating a range of integers

</code>
===== Comments =====