| However, this is just the inevitable defeasibility of any form of inference that depends on background empirical presuppositions. |
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| In the MMR case, however, people do not want to hear about defeasibility and inductive probability. |
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| See also Makinson 1993 for a sweeping discussion of defeasibility and the place of deontic conditionals in this context. |
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| The third feature of rational reasons is their defeasibility. |
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| Smith 1994 contains an interesting informal discussion of conflicting obligations, defeasibility, violability and contrary-to-duty conditionals. |
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| But prima facie permanence of obligations does, like all prima facie statements imply defeasibility. |
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| Nute 1997 is dedicated to defeasibility in deontic logic and is the best single source on the topic, with articles by many of the key players, including Nute himself. |
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| Since this was in fact the case, the appellant submitted that the defeasibility of the vested property did not deprive the gift of its absolute character. |
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| In addition to good intention, provocation, defeasibility, and accident are three other tactics that are used to evade responsibility. |
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| In some cases, the defeasibility seems to be grounded in some aspect of the subject or the context of communication, and in other cases in facts about the objective world. |
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| Given the non-monotonicity and the defeasibility of this pattern of practical reasoning, the inferences corresponding to it can be evaluated using critical questions. |
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