(\+)/1
is thus not negation, but means not provable at this point in time .
From this StackOverflow answer by user false
For those that don’t know what the expression declarative reading
means with regards to Prolog see: Reading Prolog Programs
(\+)/1
is thus not negation, but means not provable at this point in time .
From this StackOverflow answer by user false
For those that don’t know what the expression declarative reading
means with regards to Prolog see: Reading Prolog Programs