Type error: file_name_extension/3 `character_code' expected , found `row(1, 410021001, 'Alan...

Prolog Can't get to the predicate...

Reading a cut ! in Prolog...

Evaluate a string term in prolog...

Using insert predicate in SWI-Prolog swish?...

SWI-Prolog (SWISH): No permission to modify static procedure `(=)/2'...

How to remove the repeated members in a simple list [ prolog ]...

Is this logically and syntactically correct -- Nested Fact?...

Defining a type hierarchy including function types in Prolog...

Prolog Recursion and Variables...

Error while using the write predicate in Prolog...

Extracting list of items between two values in a list - prolog...