Tasks

1. Extend the `condiment' database to a more comprehensive theory of the word field of `recipe ingredients', with a Prolog implementation.
2. Extend the catalogue of actions needed for combining foods in recipes.
3. Formulate databases for other recipes.
4. Make a database for people in a mythical family, with predicates such as male, female, child, parent, mother, sibling, ...
5. Test your understanding of the following concepts, which were mentioned in Unit 2:
   1. Name, object.
   2. Predicate, property, relation.
   3. Fact.
   4. Data, database.
   5. Rule.
   6. Conjunction, disjunction.
   7. Inference, deduction.
   8. Query, response.