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    The logical structure of defeasibility in moral reasoning... — Carmelics
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    Challenges→The inference from 'Act A is a lie' to 'Act A is wrong' shares key features with inductive inference.

    The logical structure of defeasibility in moral reasoning is thus closer to default logic than to Bayesian probability revision.

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    1 reason for
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    Reasons For

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    • 1.Moral exceptions (e.g., lying is wrong, except to protect innocents) operate via rule-and-exception logic, which default logic models directly.
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    • 2.Moral reasoning often requires non-monotonic inference: adding new information can retract previous conclusions without probabilistic updating.
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    • 3.Default logic captures the normative character of moral rules better than probability, which treats all conclusions as degrees of belief.
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    Reasons Against

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    • 1.Moral agents actually weight competing considerations by strength and likelihood, which is precisely what Bayesian revision models.
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    • 2.Default logic struggles with moral conflicts where rules collide; Bayesian frameworks naturally resolve this via probabilistic trade-offs.
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    • 3.The claim conflates the *structure* of rules with the *reasoning process*; we apply defaults, but update them via something Bayesian-like.
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    Truth & Knowledge1 linkedMoral Responsibility1 linked

    Related

    Default logic captures the normative character of moral rules better than probab...Default logic struggles with moral conflicts where rules collide; Bayesian frame...Moral agents actually weight competing considerations by strength and likelihood...Moral exceptions (e.g., lying is wrong, except to protect innocents) operate via...
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    Moral reasoning often requires non-monotonic inference: adding new information c...The claim conflates the *structure* of rules with the *reasoning process*; we ap...The inference from 'Act A is a lie' to 'Act A is wrong' shares key features with...

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