Gregory Stump is Professor of Linguistics in the Department of English at the University of Kentucky. Raphael A. Finkel is Professor of Computer Science in the Department of Computer Science at the University of Kentucky.

'A highly interesting new approach to morphological typology based on a formalized measure of the complexity of inflectional systems. An essential contribution to theoretical morphology and to research on linguistic complexity.' Matti Miestamo, Stockholm University

• 1. Principal parts; 2. Plats; 3. A typology of principal-part systems; 4. Inflection-class transparency; 5. Grammatically enhanced plats; 6. Impostors and heteroclites; 7. Stems as principal parts; 8. The marginal detraction hypothesis; 9. Inflection classes, implicative relations and morphological theory; 10. Entropy, predictability and predictiveness; 11. The complexity of inflection-class systems; 12. Sensitivity to plat presentation; 13. The Principal-Parts Analyzer.

Gregory Stump is Professor of Linguistics in the Department of English at the University of Kentucky. Raphael A. Finkel is Professor of Computer Science in the Department of Computer Science at the University of Kentucky.

'A highly interesting new approach to morphological typology based on a formalized measure of the complexity of inflectional systems. An essential contribution to theoretical morphology and to research on linguistic complexity.' Matti Miestamo, Stockholm University

• 1. Principal parts; 2. Plats; 3. A typology of principal-part systems; 4. Inflection-class transparency; 5. Grammatically enhanced plats; 6. Impostors and heteroclites; 7. Stems as principal parts; 8. The marginal detraction hypothesis; 9. Inflection classes, implicative relations and morphological theory; 10. Entropy, predictability and predictiveness; 11. The complexity of inflection-class systems; 12. Sensitivity to plat presentation; 13. The Principal-Parts Analyzer.

Gregory Stump is Professor of Linguistics in the Department of English at the University of Kentucky. Raphael A. Finkel is Professor of Computer Science in the Department of Computer Science at the University of Kentucky.

'A highly interesting new approach to morphological typology based on a formalized measure of the complexity of inflectional systems. An essential contribution to theoretical morphology and to research on linguistic complexity.' Matti Miestamo, Stockholm University

• 1. Principal parts; 2. Plats; 3. A typology of principal-part systems; 4. Inflection-class transparency; 5. Grammatically enhanced plats; 6. Impostors and heteroclites; 7. Stems as principal parts; 8. The marginal detraction hypothesis; 9. Inflection classes, implicative relations and morphological theory; 10. Entropy, predictability and predictiveness; 11. The complexity of inflection-class systems; 12. Sensitivity to plat presentation; 13. The Principal-Parts Analyzer.