% together.
%
% The labels are supposed to be entered at "LABELS" below,
-% and you get one solution (hopefully) with "go.".
+% and you get one solution (hopefully) with "go.".
% If there are no solutions, the Prolog-interpretator will reply with a
% "No."
%
possible_char(_/Label,Char):-
member(Char,Label). % the character is part of the label
-% prepare_labels/2: Prepares all labels. Constructs a new list of pairs
+% prepare_labels/2: Prepares all labels. Constructs a new list of pairs
% where the original string is coupled with the prepared string.
prepare_labels([], []).
prepare_labels([H1|T1], [H1/H2|T2]):-