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25 Μαΐ 2010 · Tuple term construction with the ,/2 operator is generally right-associative in PROLOG (typically referred to as a sequence), so your input of a, b(c), d(e(f)), g might well actually be the term (a, (b(c), (d(e(f)), g))).
9 Μαΐ 2022 · Which functor should I use to express Pair and Tuples? (x,y) or x-y? (x,y,z) or x-y-z? In the The Power of Prolog, the author says that Pairs are terms with principal functor (-)/2. I have some confusion because , seems more natural. Thanks.
22 Μαρ 2021 · Given a problem in Prolog, In a lost-world language, a poem can have any number of verses, each of which takes the following form: A B B C. D E E C. F F G. H I I C. where the same letter represents rhymed words. For example, anun kura tama su.
?- tuples_in([[X,Y]], [[1,2],[1,5],[4,0],[4,3]]), X = 4. X = 4, Y in 0\/3. As another example, consider a train schedule represented as a list of quadruples, denoting departure and arrival places and times for each train.
26 Απρ 2019 · Prolog: Simple Programming — Facts, Queries, Rules, Goals [2/2] A rule looks like a fact, then “ :-”, then a query. The term before “:-” is the head of the rule; afterward is the body of the rule, which gives conditions that must be satisfied. is_grandchild(A, B) :- is_child(A, X), is_child(X, B).
Best Answer. Tuple term construction with the ,/2 operator is generally right-associative in PROLOG (typically referred to as a sequence ), so your input of a, b (c), d (e (f)), g might well actually be the term (a, (b (c), (d (e (f)), g))).
hand, is a Prolog statement which gives conditions under which tuples satisfy a predicate. In a sense, a fact is just a special case of a rule, where the condition is always satisfied (i.e., equivalent to “true”).
