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(2019) Peirce and Husserl, Dordrecht, Springer.
Peirce, among his vast logical works, also invented a less known logical framework called by him Existential Graphs. It offers a diagrammatic method to represent logical expressions and logical deductions, so that logical deductions are formulated as transformations of diagrams. In this paper, after a short introduction to Existential Graphs (EGs hereafter), I will propose an interpretation of the framework of EGs in a way that it offers a method for meaning explanation of logical connectives. According to this interpretation, I will try to show, that the meaning explanation displayed by EG is different both from truth-functional and inferentialist approaches. I will focus on the philosophical merits of this framework, more precisely I am going to suggest that the features of EGs satisfy certain essential criteria of a theory of logic as put forward by transcendental investigations. Indeed EGs provide us with a powerful tool to carry out logical analyses not only in a formal way but also as belonging to what Husserl calls the "phenomenology of reason".
Publication details
DOI: 10.1007/978-3-030-25800-9_6
Full citation:
Shafiei, M. (2019)., Peirce's existential graphs as a contribution to transcendental logic, in M. Shafiei & A. J. Pietarinen (eds.), Peirce and Husserl, Dordrecht, Springer, pp. 97-122.
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