Deductive Triangle Logic for Logical Thinking Problem: Validity-Check Enabling with Subject Common Propositions, Self-evident Warrant, and Acceptable Propositions

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  • 言語的三角ロジックに対する演繹的三角ロジックの提案 : 主題共通命題・自明論拠・許容命題を用いた妥当性検証可能化

Abstract

Triangle Logic (TL) is a graphical representation of a three-clause argument composed of “Data”, “Conclusion” and “Warrant”. In this research, as an improvement of the triangle logic, Deductive Triangle Logic (DTL) that can be checked validity using formal logic is proposed. Applicability and usefulness of DTL for logical thinking problems used in several survey researches are also reported in this paper paper. In DTL, subject common propositions, self self-evident warrant, and acceptable propositions are introduced into the original TL (called Linguistic TL: LTL). DTL is positioned as a worked-out example of logical thinking from viewpoint of knowledge engineering

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