Tasks

1. Specify a lexicon with phonological information.
2. Specify Prolog data structures for the lexicon.
3. Implement the lexicon, with a lookup strategy.
4. Design an analyser for phonological strings.
5. Implement the analyser in Prolog.
6. Extend the analyser design to an allophonic transducer.
7. Implement the extended analyser in Prolog.