# Tag Archives: Abduction

## Functional Logic • Inquiry and Analogy • 6

Inquiry and Analogy • Peirce’s Formulation of Analogy • Version 1 C.S. Peirce • “On the Natural Classification of Arguments” (1867) The formula of analogy is as follows: are taken at random from such a class that their characters at … Continue reading

## Functional Logic • Inquiry and Analogy • 5

Inquiry and Analogy • Aristotle’s “Paradigm” • Reasoning by Analogy Aristotle examines the subject of analogical inference or “reasoning by example” under the heading of the Greek word παραδειγμα, from which comes the English word paradigm.  In its original sense … Continue reading

## Functional Logic • Inquiry and Analogy • 4

Inquiry and Analogy • Aristotle’s “Apagogy” • Abductive Reasoning Peirce’s notion of abductive reasoning is derived from Aristotle’s treatment of it in the Prior Analytics.  Aristotle’s discussion begins with an example which may seem incidental but the question and its … Continue reading

## Functional Logic • Inquiry and Analogy • 3

Inquiry and Analogy • Comparison of the Analyses The next two Figures will be of use when we turn to comparing the three types of inference as they appear in the respective analyses of Aristotle and Peirce. Types of Reasoning … Continue reading

## Functional Logic • Inquiry and Analogy • 2

Inquiry and Analogy • Three Types of Reasoning Types of Reasoning in C.S. Peirce Peirce gives one of his earliest treatments of the three types of reasoning in his Harvard Lectures of 1865 “On the Logic of Science”.  There he … Continue reading

## Functional Logic • Inquiry and Analogy • 1

Inquiry and Analogy • Three Types of Reasoning Types of Reasoning in Aristotle Figure 1 gives a quick overview of traditional terminology I’ll have occasion to refer to as discussion proceeds. Resources Logic Syllabus Boolean Function Boolean-Valued Function Logical Conjunction … Continue reading

## Functional Logic • Inquiry and Analogy • Preliminaries

Functional Logic • Inquiry and Analogy 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 … Continue reading

## Pragmatic Semiotic Information • Discussion 21

Re: FB | Medieval Logic • Kollbjorn Oldtheyn • Edward Buckner On the question of which later developments in logic Peirce anticipated, I’ve been more focused on the points where he saw through to features we would not see again … Continue reading

## Icon Index Symbol • 20

Questions Concerning Certain Faculties Claimed For Signs Re: FB | Semiotics, Books, Links, News • Jon Awbrey • Dalibor Lošťák JA: Icon, Index, Symbol and all other classifications are ideal types abstracted from concrete signs and there are no pure … Continue reading

## Icon Index Symbol • 19

Questions Concerning Certain Faculties Claimed For Signs Re: Peirce List • Steven Skaggs SS: As far as visual semiotics is concerned, it is helpful to think of a “terrain” or map of a semantic mode territory in which of icon-index-symbol form … Continue reading