Problem Statement

Three dogs (Are there three dogs or one dog?) is a code snippet used to illustrate the lettercase sensitivity of the programming language. For a case-sensitive language, the identifiers dog, Dog and DOG are all different and we should get the output: For a language that is lettercase insensitive, we get the following output:

Let's start with the solution:

three_dogs :-
	DoG = 'Benjamin',
	Dog = 'Samba',
	DOG = 'Bernie',
	format('The three dogs are named ~w, ~w and ~w.~n', [DoG, Dog, DOG]).