| Abstract | .... 2 | |
| 1 | Introduction | .... 2 |
| 2 | Partially Directional circumscription | .... 3 |
| 3 | Majority Generalization;A Form of Generating Rules with Exceptions | .... 4 |
| 4 | Considerations an a First-order Formulation | .... 6 |
| 5 | An Application To Is-A Hierachy | .... 7 |
| 6 | Cosiderations and Remaerks | .... 9 |
| Acknowledgements | .... 9 | |
| References | .... 9 |
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