Logical Friendliness and Sympathy

David Makinson ()
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David Makinson: King's College London, Department of Computer Science

A chapter in Logica Universalis, 2005, pp 191-205 from Springer

Abstract: Abstract We define and study a notion of logical friendliness, which is a broadening of the familiar notion of classical consequence. The concept is studied first in its simplest form, and then in a syntax-independent version which we call sympathy. Beyond the specific results obtained, a general message emerging from the investigation is that even in such an elementary and well-trodden area as classical propositional logic, there are intriguing concepts that remain little explored, and non-trivial problems concerning them. Once they are well-understood in a classical setting, the concepts can also be formulated in a more general manner to be applicable to a wide variety of non-classical logics.

Keywords: classical logic; consequence relations; logical friendliness; logical sympathy (search for similar items in EconPapers)
Date: 2005
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-7643-7304-7_11

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DOI: 10.1007/3-7643-7304-0_11

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