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permutation list
Hello to everyone, I am studying from a prolog tutorial, but I have stuck in a programm, and can't figure it out at all. It's the perm predicate, I think it's in the prolog or sth, it's definition is this(with the definition of takeout too that it uses): takeout(X,[X|R],R)... -
reverse_list
Hi, I don't understand how this programm works. reverse_list([], []). reverse_list([Head | Tail], ReversedList) :- reverse_list(Tail, ReversedTail), append(ReversedTail, [Head], ReversedList). It is assumed to reverse a list, but I don't know what calls does it make and with what order. Can... -
couples
Hi, I want to apologize to all and especially Mr. Kahleen for my continuous asking for help, but I have boggled. Here's what I have to do next, I have a list A and a list B with the couples of the elements of list A, for example: list A=[4,5,6,7,8,9] and list B=[[4,5],[6,7],[8,9]]. I have made a... -
list with mutual elements
Hi, sorry for the many posts, but I have lots of programms to solve... Now I have to solve a programm with two lists, that have at least one mutual element. I tried this without using append, but it's wrong. Can anyone help me? Thanks in advance. Here's my programm... -
embraced list
Hi again. :( I have other three programms, the first one is this: I have to make a programm, that the first list A, is embraced in the second list B. I tested two programms, but they were wrong. An example of the embraced list is, A=[5,6,7] and B=[0,3,5,6,7,9]. Thank you in advance. -
list that leads or comes after another list
? 'm writing this again, because noone noticed, probably because I had one reply by myself, because I had made a mistake. So, if you haven't seen, it, please answer me my questions. Thanks. "Hello everyone,I have to write two programms with lists, with two arguments. In the first programm the... -
leading list
Hello everyone, I have to write two programms with lists, with two arguments. In the first programm the first argument(list)must lead the second(list) and in the second programm the opposite. I don't understand the theory very well, when I have news I'll inform you, unless you understand it... -
making two new arguments
Hi, I have written a small programm which shows a cd' s artist, released album, year, etc which is in this way: cd(album(band(‘Coldplay’), name(‘Viva la Vida or Death and All His Friends’)), release(year(2008), uschart(1)), genre(‘Alternative rock’), price(new(25), used(18))). This...
