taken from a diary study of emotions indicate that the abductive approach to explanotory reasoning about emotions offers significant advantages. We found that the majority of the diary study examples connot be explained using deduction alone, but they can be explained by making abjuctive inferences.These inferences provide useful information relevant to emotional states.

The main contribution of this paper is a two step method for inventing new predica tes which overcomes sorne of the shortcomings of previously published methods (implemented in Cigol & LFP2). The method integrates abductive and inductive learning. In the first step, proofs of the training instances are completed by assuming new facts built from a new predicate symbol. In the second step, the general clause derived in order to explain the training instances is used to generate more instances of the newly invented predicate. These instances are then used to induce a general definition of the new predicate.

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