Inquiry and Analogy • Peirce’s Formulation of Analogy • Version 2
C.S. Peirce • “A Theory of Probable Inference” (1883)
The formula of the analogical inference presents, therefore, three premisses, thus:
are a random sample of some undefined class
of whose characters
are samples,
We have evidently here an induction and an hypothesis followed by a deduction; thus:
(Peirce, CP 2.733, with a few changes in Peirce’s notation to facilitate comparison between the two versions)
Figure 8 shows the logical relationships involved in the above analysis.
Resources
- Logic Syllabus
- Boolean Function
- Boolean-Valued Function
- Logical Conjunction
- Minimal Negation Operator
- Functional Logic • Part 1 • Part 2 • Part 3
- Cactus Language • Part 1 • Part 2 • Part 3 • References • Document History
cc: Conceptual Graphs • Cybernetics • Laws of Form • Ontolog Forum
cc: FB | Peirce Matters • Structural Modeling • Systems Science
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