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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 , …
It always formerly was pronounced as a full syllable. We still hear that full -ed in some words, for phonetic reasons, when a word ends in -ted or -ded, such as wanted and tasted or ended and divided. Over the centuries, that fully pronounced syllable was reduced to a single sound, /t/ or /d/, in many verbs. In an example of English trimming a ...
23 Σεπ 2018 · list_tuple([A, B], (A, B)). list_tuple([A|T], (A, B)) :- list_tuple(T, B). So then we can write a predicate to unpack the list out of the 2-tuple, and convert the list to a tuple: conv((_, L), R) :- list_tuple(L, R).
tuples_in(+Tuples, +Relation) True iff all Tuples are elements of Relation. Each element of the list Tuples is a list of integers or finite domain variables. Relation is a list of lists of integers. Arbitrary finite relations, such as compatibility tables, can be modeled in this way.
[det]tuple (?Head, :Goal) registers Head as a virtual tuple in TIPC Linda's tuple space. On success, any client on the cluster may reference the tuple, Head, using rd/1 or rd_noblock/1. On reference, Goal is executed by a separate thread of execution in the host client's Prolog process.
Prolog is a logic programming language developed in the early 1970s that is about objects and relationships between objects. It aims to be a declarative programming language, i.e. Prolog programs often just say what they will do without specifying exactly how they will do it.
