![]() Eg father(john,doe), relative(a), mother(X,Y). ![]() Name of a complex term is always an atom, while arguments can either be atoms or variables. Complex Terms - They are made from a functor and a sequence of arguments.Variables - A string which starts with an uppercase character or underscore ( _ ).Numbers - There is no special syntax for numbers, no declaration is required.Atoms - Any sequence of characters that do not start with an uppercase alphabet. ![]() They allow us to reason about integers in a pure way. Generate all possible ways to append two lists to a given list: ?- append(A, B, ).ĬLP(FD) constraints are provided by all serious Prolog implementations. Notably, and as is typical for good Prolog code, append/3 can be used in several directions: It can be used to:Īppend two fully or partially instantiated lists: ?- A =, B=, append(A, B, Y)Ĭheck whether the relation is true for three fully instantiated lists: ?- A =, B =, C =, append(A, B, C) ![]() It defines a relation between three arguments and is true if the third argument is a list that denotes the concatenation of the lists that are specified in the first and second arguments.
0 Comments
Leave a Reply. |