%% in example 6.6 I was getting extra outout after *** No
%% commented out || level > 0 in line 2015 login.c
%% stopped that problem - but changed this example which then differed
%% It does no make sense to me for vales to be printed after *** No
%% So I am sticking with change & appoving these cases.

father(john,harry).
father(john,charles).
father(harry,michael).
grandfather(X,Y) :- father(X,Z), father(Z,Y).
grandfather(A,B)?
father(A,C)?
;
;
father(C,B)?
father(A,C)?

.


