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Home > Sun-Joo, Shin (1999). Reconstituting Beta Graphs into an Efficacious System

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Type: 
Article in Journal
Author: 
Sun-Joo, Shin
Title: 
Reconstituting Beta Graphs into an Efficacious System
Year: 
1999
Journal: 
Journal of Logic, Language and Information
Volume: 
8
Issue: 
3
Pages: 
273-295
Keywords: 
Efficacy, Existential Graphs, Natural deductive system, Naturalness, Transformation rules, Visual features, Visual intuitiveness
Abstract: 
Logicians have strongly preferred first-order natural deductive systems over Peirce's Beta Graphs even though both are equivalent to each other. One of the main reasons for this preference, I claim, is that inference rules for Beta Graphs are hard to understand, and, therefore, hard to apply for deductions. This paper reformulates the Beta rules to show more fine-grained symmetries built around visual features of the Beta system, which makes the rules more natural and easier to use and understand. Noting that the rules of a natural deductive system are natural in a different sense, this case study shows that the naturalness and the intuitiveness of rules depends on the type of representation system to which they belong. In a diagrammatic system, when visual features are discovered and fully used, we have a more efficacious deductive system. I will also show that this project not only helps us to apply these rules more easily but to understand the validity of the system at a more intuitive level.
DOI: 
10.1023/A:1008303204427
Language: 
English