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Multiagent Systems

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Prof. Dr. Jürgen Dix · Department of Informatics, TUC <strong>Multiagent</strong> <strong>Systems</strong>, WS 06/07 455/731<br />

6. Propositional Logic 4. Calculi for SL<br />

Question:<br />

What is the difference between an inference rule ϕ and the<br />

ψ<br />

implication ϕ → ψ?<br />

Assume we have a set T of formulae and we choose two<br />

constants p, q ∈ L. We could either consider<br />

(1) T together with MP and { p q }<br />

or<br />

(2) T ∪ {p → q} together with MP

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