A database is supplied that encodes all of this information in the form o开发者_StackOverflow社区f the following PROLOG rules and facts:
H开发者_Go百科ow i can break the list of stringinto two halves to process these halvesFor example with code similar to:
What I am trying to do is basically get the some of the list of list, if that makes sense. What I am trying to achieve is sum([[1, 2], [3, 4], [5, 6]]). Should return:
EDIT: Solved. I was unware that enabling a language extension in the source file did not enable the language extension in GHCi. The solution was to :set FlexibleContexts in GHCi.
Suppose开发者_Go百科 I have the below code in my familyTree.pl file: male(tom). male(bob). female(lisa).
I am currently involved in a project to develop an application able to consider a set of nodes and connections and find the shortest path (a common and well-known issue) between two nodes (on allowed
I must be having a brain fart or something, but i just can\'t seem to find a solution to this. If you have a list facts such as:
I am new to prolog, and I have to write a program about the water jugs. My problem is regarding the initial state of jugs and the query
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% link(Origin,Destination,Speed,Length). link(paris,milano,140,360). link(paris,london,200,698). link(berlin,atena,110,714).
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