Despite of its formal precision and its great many applications, Shannon’s theory still offers an active terrain of debate when the interpretation of its main concepts is the task at issue. In this article we try to analyze certain points that still remain obscure or matter of discussion, and whose elucidation contribute to the assessment of the different interpretative proposals about the concept of information. In particular, we argue for a pluralist position, according to which the different views about information are no longer rival, but different interpretations of a single formal concept.
KeywordsShannon entropy Coding theorem Bit Epistemic interpretation Physical interpretation
We are grateful to the participants of the workshop What is quantum information?, Jeffrey Bub, Adán Cabello, Dennis Dieks, Armond Duwell, Christopher Fuchs, Robert Spekkens and Christopher Timpson, (Buenos Aires, May of 2015) for the stimulating and lively discussions about the concept of information. We are also grateful to the anonymous referees, who devoted considerable effort to discuss the previous version of this article. We also want to thank María José Ferreira Ruiz for her support regarding the question of information in biology. This paper was partially supported by a Large Grant of the Foundational Questions Institute (FQXi), and by a Grant of the National Council of Scientific and Technological Research (CONICET) of Argentina.
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