Prolog instantiation error when using two "is/2" predicates...

Arguments are not sufficiently instantiated unable to load program...

Keep getting the error message "Arguments are not sufficiently instantiated" can't und...

Prolog is/2, arguments not sufficiently instantiated...

Argument is not instantiated, need it to start at zero but also be able to change it...

uncaught exception: error(instantiation_error,(is)/2)...

Can't check equality with unknowns in Prolog...

Prolog - Arguments are not sufficiently instantiated...

Arguments are not sufficiently instantiated while trying to get combinations...

prolog Arguments are not sufficiently instantiated error...

Instantiation error in argument 2 of (>)/2...

Prolog sum distance between list of nodes ids...

Should I enforce mode declarations by throwing instantiation errors?...

Finding all sublists of size N in Prolog...

How do I instantiate this piece of code properly?...

Resolve quadratic equation in prolog...

Labeling in Prolog constraint programming...

Arguments are not sufficiently instantiated prolog...

Insert into open-ended list without binding its tail variable...

Correct use of is/2 predicate in Prolog recursion...

Why this Goldbach's conjecture program does not work in Prolog?...

Prolog - Arguments are not sufficiently instantiated. lists/recursion...

Why does =:= give an error when the variable is not instantiated, but == doesn't?...

Recurrence results stored in list in Prolog...

Prolog - Arguments are not sufficiently instantiated. Recursion depth...

Prolog Arguments are not sufficiently instantiated, R is [H|R1]...

Program to generate fibonacci series in GNU Prolog is giving an instantiation error...

Prolog: Head of a variable list is not instantated...

Prolog -- Arguments are not sufficiently instantiated...

Checking whether the tree is avl-tree in prolog. error...