Possible Worlds Semantics for Partial Meet Multiple Contraction

被引:10
作者
Reis, Mauricio D. L. [1 ,2 ]
Ferme, Eduardo [2 ]
机构
[1] Univ Madeira, Ctr Ciencias Exactas & Engn, P-9020105 Funchal, Portugal
[2] Univ Madeira, Madeira Interact Technol Inst, P-9020105 Funchal, Portugal
关键词
Belief change; Theory contraction; Multiple contraction; Possible worlds semantics; REVISION FUNCTIONS; LOGIC;
D O I
10.1007/s10992-011-9198-y
中图分类号
B81 [逻辑学(论理学)];
学科分类号
010104 ; 010105 ;
摘要
In the logic of theory change, the standard model is AGM, proposed by Alchourron et al. (J Symb Log 50: 510-530, 1985). This paper focuses on the extension of AGM that accounts for contractions of a theory by a set of sentences instead of only by a single sentence. Hansson (Theoria 55: 114-132, 1989), Fuhrmann and Hansson (J Logic Lang Inf 3: 39-74, 1994) generalized Partial Meet Contraction to the case of contractions by (possibly non-singleton) sets of sentences. In this paper we present the possible worlds semantics for partial meet multiple contractions.
引用
收藏
页码:7 / 28
页数:22
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