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ON FORMALIZING CAUSATION BASED ON CONSTANT CONJUNCTION THEORY

Published online by Cambridge University Press:  23 October 2012

HU LIU*
Affiliation:
Institute of Logic and Cognition, Sun Yat-sen University, China
XUEFENG WEN*
Affiliation:
Institute of Logic and Cognition, Sun Yat-sen University, China
*
*INSTITUTE OF LOGIC AND COGNITION SUN YAT-SEN UNIVERSITY GUANGZHOU 510275, CHINA E-mail: liuhu2@mail.sysu.edu.cn, wxflogic@gmail.com
*INSTITUTE OF LOGIC AND COGNITION SUN YAT-SEN UNIVERSITY GUANGZHOU 510275, CHINA E-mail: liuhu2@mail.sysu.edu.cn, wxflogic@gmail.com
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Abstract

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Constant conjunction theory of causation had been the dominant theory in philosophy for a long time and regained attention recently. This paper gives a logical framework of causation based on the theory. The basic idea is that causal statements are empirical, and are derived from our past experience by observing constant conjunction between objects. The logic is defined on linear time structures. A causal statement is evaluated at time points, such that its value depends on what has been in the past. We first give a semantics that contains basic conditions that, we think, must hold for a concept of causation, on which we define the minimal causal logic. Then we discuss its possible extensions for various concepts of causation. Complete deductive systems are given.

Information

Type
Research Article
Copyright
Copyright © Association for Symbolic Logic 2012