Prolog Tutorial

Simple Input-Output in Prolog We can read the data using the following predicates of Prolog: seeing(File) see(File) read(Data) seen To provide the…

Evaluating Goals in Prolog We will give a goal like cat(A) and go. Prolog searches from to bottom in the database. It…

Looping until a Condition is Satisfied To execute a set of instructions repeatedly until a given condition is met, many programming languages…

Examples of Files Example 1: In the following program, we define a readterms predicate. This predicate is used to read the first…

Loops in Prolog The looping facility is contained in most of the programming languages. Looping is used to enable a set of…

File Input and Output in Prolog File Output: Changing the Current Output Stream The tell/1 predicate is used to change the current…

Map Coloring in Prolog In mathematics, the famous problem was coloring adjacent planar regions. Two adjacent regions cannot have the same color…

Operators in Prolog notation contains a number of arguments in parenthesis like likes(hary, jack). Any user-defined predicate which has two arguments can…

Predicates in Prolog There was a simple program that has five clauses. Head is a compound term for each first three clauses…

Output and Input of Characters in Prolog Outputting Characters We can use the built-in predicate put/1 to provide the output of characters.…