For a KB fram (S, → a, ∼ a) what condition on the knowledge operator does the following correspond to? If s → a t then s ∼ a t ;
Answer
Knowledge implies Belief
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Parent (intermediate) annotation
Open it ile the second → a captures his beliefs. A KB frame is required to satisfy the following natural conditions: (1) each ∼ a is reflexive: s ∼ a s; (2) if s ∼ a t then we have: s → a w iff t → a w, and also s ∼ a w iff t ∼ a w; (3) <span>if s → a t then s ∼ a t ; (4) for every s ∈ S there e xists some t ∈ S such that s → a t.<span><body><html>
Original toplevel document (pdf)
owner: rappatoni - (no access) - Baltag and Smets - conditional doxastic models a qualiltative approach to odynamic belief revision.pdf, p4
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