Functional Logic • Inquiry and Analogy • Preliminaries

This report discusses C.S. Peirce’s treatment of analogy, placing it in relation to his overall theory of inquiry.  We begin by introducing three basic types of reasoning Peirce adopted from classical logic.  In Peirce’s analysis both inquiry and analogy are complex programs of logical inference which develop through stages of these three types, though normally in different orders.

Note on notation.  The discussion to follow uses logical conjunctions, expressed in the form of concatenated tuples e_1 ~\ldots~ e_k, and minimal negation operations, expressed in the form of bracketed tuples \texttt{(} e_1 \texttt{,} \ldots \texttt{,} e_k \texttt{)}, as the principal expression-forming operations of a calculus for boolean-valued functions, that is, for propositions.  The expressions of this calculus parse into data structures whose underlying graphs are called cacti by graph theorists.  Hence the name cactus language for this dialect of propositional calculus.


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This entry was posted in Abduction, Analogy, Argument, Aristotle, C.S. Peirce, Constraint, Deduction, Determination, Diagrammatic Reasoning, Diagrams, Differential Logic, Functional Logic, Hypothesis, Indication, Induction, Inference, Information, Inquiry, Logic, Logic of Science, Mathematics, Pragmatic Semiotic Information, Probable Reasoning, Propositional Calculus, Propositions, Reasoning, Retroduction, Semiotics, Sign Relations, Syllogism, Triadic Relations, Visualization and tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , . Bookmark the permalink.

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