Abductve reasoning considers various explainations for observed situation and tries to find the simplest or most likely. It is a knowledge-rich method of reasoning that can make (defeasible) deductions beyond the incontovertable facts (used by deductive reasong) and available empirical data (used by inducdtuve reasoning). As sush it is a form of nin-monotonic reasoning as new knowledge could change the potetial explanations.
Used on pages 38, 40, 91
Also known as abduction, abductive