| Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2013: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
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| Research Abstract |
Logical reasoning is fundamental to human intelligence, but the logical processing system of cognitive agents is different from propositional logic, especially on solving problems which are linked with the counterposition. This is partly because a cognitive agent cannot acquire every essential information for reasoning because of our limited capacity. Therefore, our cognitive system is expected to find the narrow optimal relevance information. Relevance theory (Sperber and Wilson 1986) is based on a definition of relevance and two principles of relevance. One of the principles, called Cognitive Principle, means that human cognition is geared to the maximisation of relevance. This research proposes the frame work of multiple-valued logic based on the philosophy of the cognitive principle, and reveals the effect of both settledness and relevance of information on everyday reasoning including of the interpretation process of the various types of conditionals in Japanese.
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