findall/3 is a built-in predicate of ISO Prolog.
Questions tagged [prolog-findall]
66 questions
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Finding all solutions in prolog
In prolog I'm trying to unify every valid pairing of needs with resources
needs([ece2090,1,m,13,16]).
needs([ece3520,1,tu,11,14]).
needs([ece4420,1,w,13,16]).
resources([joel, [ece2090,ece2010,ece3520,ece4420],[[m,13,16]]]).
resources([sam,…
PowerOfKaishin
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How can you add elements to a list or compute them from the knowledge base without using findall or assert/retract in Prolog?
I have a knowledge base that consists of students database in a file 'students.pl' like this:
% student(Name,Percent,List_of_Marks_in_3_subjects).
student('abc',83,[80,80,90]).
student('pqr',70,[70,60,80]).
student('xyz',76,[80,70,80]).
I want to…
shujin
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Print out a list without findall
I need to do a program in prolog which prints out a list(it has to be a list) of all the nodes of a tree on a level N given. I just can't manage to put the nodes into a list. Someone told me to use the function findall but it still won't work. I…
Ioana
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Error in Prolog (SICStus) findall
I have a problem in a prolog program.
The error is in predicate findall inside predicate moves. Anyone know why i got this error:
! Instantiation error in argument 1 of >= /2
! goal: _1123>=0
% 1
The code is the following:
moves(Board, Player,…
mistic
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Prolog predicate doesn't resolve
This may be a rookie mistake, but I'm trying to solve this question:
Find the query to obtain the following answer using the findall predicate: Obtain a list of persons who work in a city other than the one where they live:
L = [suzy, paul].
This…
user3015224
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JESS function similar to findall in Prolog?
I am wondering if it is possible to write a jess function or rules to behave findall in Prolog.
For instance, we have a KB like
(person (name jason) (school nyu))
(person (name john) (school nyu))
(person (name liz) (school cmu))
...
and the input…
youngtackpark
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