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find speed limit

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vbx

vbx

Programmer
Dec 12, 2010
18
RO
Hello i have a question regarding my project. I have a few clauses link() that take a origin city,destination,spee limit and duration.( Ex:link(Chicago,Detroit,170,6). ). How can I print only the links with the speed below 100 ? How can I querry that ? Thanks in advance.
 
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I took a look at findall but i onest dont get it,where to put the condition that speedlimit is < 100.
 
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Ok,i did it like this:
speed(X,Y):-link(X,Y,Speed,_),Speed < 100.
 
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