Toward Ethical Robots via Mechanized Deontic Logic

Konstantine Arkoudas, Selmer Bringsjord, Paul Bello

We suggest that mechanized multi-agent deontic logics might be appropriate vehicles for engineering trustworthy robots. Mechanically checked proofs in such logics can serve to establish the permissibility (or obligatoriness) of agent actions, and such proofs, when translated into English, can also ex- plain the rationale behind those actions. We use the logical framework Athena to encode a natural deduction system for a deontic logic recently proposed by Horty for reasoning about what agents ought to do. We present the syntax and semantics of the logic, discuss its encoding in Athena, and illustrate with an example of a mechanized proof.

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