Lists in Prolog
Lists in Prolog
The Prolog symbols in previous chapters were single atomic units: constants, variables, numbers. This chapter considers larger symbolic structures called lists, and some predicates that assemble them and take them apart. Section 7.1 introduces lists and the two notations in Prolog that are used for them. Section 7.2 considers how to write the clauses for predicates that take lists as arguments, allowing properties over groups of objects to be expressed very succinctly. Section 7.3 explains how to use two very useful built-in list predicates, member and append, and reformulates in a clear and concise way the blocks-world program from Section 4.2.
Keywords: Prolog programming, lists, member, list predicates, blocks-world program
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