<div dir="ltr">Carissimo Terrence,<div>finalmente Ti sei ri-fatto vivo. Ho concluso la mail del 28/1/2022 con il P.s.:"Come sta Terry Deacon, </div><div>amico delle discussioni più liete?", Forse è stata una empatica, enigmatica e sincronica domanda </div><div>che Ti ha Chiamato in causa.</div><div>A mio modesto giudizio, la Tua strategia ermeneutica si in-centra :</div><div>*sulla terna misurare, valutare, interpretare sottesa dai tre sensi: "matematico-statistico, relazionale-referenziale</div><div>e pragmatico-funzionale" che anch'io ho sempre utilizzato nella mia Nuova economia (cfr. per tutti "Valore e valutazioni", </div><div>FrancoAngeli, Milano, 1999);</div><div>*sulle quattro informazioni possibili: naturale o termodinamica, genetica, matematica e semantica;</div><div>* sull'essere, sull'avere, sul fare e sul conoscere;</div><div>* su una semiotica molecolare, implicante un'unica definizione di (tras-)informazione ( prendere o dare o perdere </div><div>forma) e tanti modi di misurarla, valutarla e interpretarla in ragione dei diversi "campi di forma" delle diverse discipline </div><div>considerate;</div><div>* sul confronto onto-logico che non presuppone una realtà cognitiva-univoca univoca, ma poliedrica.</div><div>A questo proposito mi permetto di riportare un breve stralcio della ia mia suddetta opera:</div><div>"In conclusione, ribadisco la necessità di una svolta (?) epistemologica basata sulla compresenza e sulla com-</div><div>plementarità della coppia empatia-astrazione e della coppia senso-simbolo, nei processi scientifici, per le tre dimensioni: </div><div>personale, intersoggettiva e macro-sistemica. Ciò si può ottenere adottando un modello onto-genetico-dialogico centrato</div><div>sull'ambivalenza o dualità dell'essere, dell'agire e del conoscere, caratterizzato cioè, dalla coppia differenza-uguaglianza, </div><div>interno-esterno, astrazione empatia, soggettivo-oggettivo, senso-simbolo" (p. 272)..</div><div>Grazie e scusami se ho capito male. Non è mai troppo tardi per apprendere, specialmente quando il supplemento di inse-</div><div>gnamento viene da uno come Te.</div><div>Francesco.</div><div><br></div><div><br></div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Il giorno lun 21 feb 2022 alle ore 18:02 Terrence W. DEACON <<a href="mailto:deacon@berkeley.edu" target="_blank">deacon@berkeley.edu</a>> ha scritto:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Dear FIS colleagues,<br><br>I am grateful to Pedro Marijuán for this opportunity to share this recently published Open Access paper with all of you. I look forward to this new FIS format for discussing recent publications, in addition to the annual solicited discussion paper, and am honored to be included. I hope this article is of interest. Here is a brief introduction.<br><br>As many scholars since the 1930s have pointed out, the concept of information is regularly used in at least three distinct and nested senses: a physical-statistical sense, a relational-referential sense, and a pragmatic-functional sense. In the paper “How molecules become signs” I show how the latter two senses can be understood in terms of molecular evolution, without invoking any atypical physical-chemical properties or an extrinsic observer perspective. In other words, I attempt to identify the minimal systemic properties that are necessary and sufficient for a physical system to be able to use a molecule (such as RNA) to be “about” the relationships between other molecules that are relevant to the continued existence of this same capacity. This is intended to provide what amounts to a proof of principle using a simple-as-possible model system, in which all processes are explicitly known and fully understood, and empirically testable.<br><br>It has a number of implications that may be of interest to the FIS community.<br><br>1. It implies that molecular template replication (such as invoked in RNA-world and related replicator-first theories) cannot be understood as providing intrinsically referential or functional information, except as interpreted by an extrinsic observer (causing its semiotic properties to appear epiphenomenal).<br>2. It shows how the constraints on the release of energy that constitutes the work required to reconstitute these same constraints in new substrates is the basis of what can be described as the “interpretive” capacity of a physical system.<br>3. It demonstrates how materially “displaced” informational relationships (such as in the case of DNA) depend on and grow out of prior linked mutual information (iconic) and correlational information (indexical) relationships, and how this can be hierarchically recursive, providing a scaffolding logic for the evolution of increasing informational depth.<br>4. It suggests that Crick’s so-called “central dogma” of biological information flow in organisms is the reverse of information accretion in evolution - i.e. where referential-functional information flows from dynamical constraints onto material constraints (e.g. molecular structure), from whole to part, and thus is offloaded from dynamics to structure in evolution. This may suggest new research paradigms for studying the evolution of genetic information.<br>5. It implicitly describes a mode of autonomous virus-like proto-life forms that may exist in conditions that are otherwise hostile to life, such as in deep petroleum deposits or other planets.<br><br>I look forward to insights and criticisms from the FIS community. The target article is also being published with commentaries, along with my responses, and the journal may continue to accept commentaries from the FIS community to be included in future issues. <br><br>Thanks, Terry<br><div><br></div><div>In honor of the 80th birthday of our brilliant departed colleague: Jesper Hoffmeyer</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Feb 20, 2022 at 2:38 PM Terrence W. DEACON <<a href="mailto:deacon@berkeley.edu" target="_blank">deacon@berkeley.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Dear FIS colleagues,<br><br>I am grateful to Pedro Marijuán for this opportunity to share this recently published Open Access paper with all of you. I look forward to this new FIS format for discussing recent publications, in addition to the annual solicited discussion paper, and am honored to be included. I hope this article is of interest. Here is a brief introduction.<br><br>As many scholars since the 1930s have pointed out, the concept of information is regularly used in at least three distinct and nested senses: a physical-statistical sense, a relational-referential sense, and a pragmatic-functional sense. In the paper “How molecules become signs” I show how the latter two senses can be understood in terms of molecular evolution, without invoking any atypical physical-chemical properties or an extrinsic observer perspective. In other words, I attempt to identify the minimal systemic properties that are necessary and sufficient for a physical system to be able to use a molecule (such as RNA) to be “about” the relationships between other molecules that are relevant to the continued existence of this same capacity. This is intended to provide what amounts to a proof of principle using a simple-as-possible model system, in which all processes are explicitly known and fully understood, and empirically testable. <br><br>It has a number of implications that may be of interest to the FIS community.<br><br>1. It implies that molecular template replication (such as invoked in RNA-world and related replicator-first theories) cannot be understood as providing intrinsically referential or functional information, except as interpreted by an extrinsic observer (causing its semiotic properties to appear epiphenomenal).<br>2. It shows how the constraints on the release of energy that constitutes the work required to reconstitute these same constraints in new substrates is the basis of what can be described as the “interpretive” capacity of a physical system. <br>3. It demonstrates how materially “displaced” informational relationships (such as in the case of DNA) depend on and grow out of prior linked mutual information (iconic) and correlational information (indexical) relationships, and how this can be hierarchically recursive, providing a scaffolding logic for the evolution of increasing informational depth. <br>4. It suggests that Crick’s so-called “central dogma” of biological information flow in organisms is the reverse of information accretion in evolution - i.e. where referential-functional information flows from dynamical constraints onto material constraints (e.g. molecular structure), from whole to part, and thus is offloaded from dynamics to structure in evolution. This may suggest new research paradigms for studying the evolution of genetic information.<br>5. It implicitly describes a mode of autonomous virus-like proto-life forms that may exist in conditions that are otherwise hostile to life, such as in deep petroleum deposits or other planets.<br><br>I look forward to insights and criticisms from the FIS community. The target article is also being published with commentaries, along with my responses, and the journal may continue to accept commentaries from the FIS community to be included in future issues. <br><br>Thanks, Terry<br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Feb 19, 2022 at 1:12 PM Pedro C. Marijuán <<a href="mailto:pedroc.marijuan@gmail.com" target="_blank">pedroc.marijuan@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<div>Dear FISers,<br>
</div>
<div><br>
</div>
<div>We are going to start the new discussion modality based on
specific publications. The initial contribution to comment is:<br>
</div>
<div><br>
</div>
<div><b>"How Molecules Became Signs</b><b></b><b>."</b> By <b>Terrence
W. Deacon</b>, recently appeared in Biosemiotics.<br>
</div>
<div><br>
</div>
<div>At his earlier convenience, Terry will send a leading text to
start the discussion. <br>
</div>
<div>Now, given that there is a doi <a href="https://doi.org/10.1007/s12304-021-09453-9" target="_blank">https://doi.org/10.1007/s12304-021-09453-9</a>
(for freely downloading the paper), <br>
</div>
<div>interested parties may read in advance the publication.</div>
<div><br>
</div>
<div>Best greetings to all,</div>
<div>--Pedro</div>
<div><br>
</div>
<div>PS. Given that there are another three contributions
tentatively arranged, a time span of around 2-3 weeks could be
adequate. But we will see on the spot.<br>
</div>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr">Professor Terrence W. Deacon<br>University of California, Berkeley</div>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr">Professor Terrence W. Deacon<br>University of California, Berkeley</div>
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Puede encontrar toda la información sobre como tratamos sus datos en el siguiente enlace: <a href="https://sicuz.unizar.es/informacion-sobre-proteccion-de-datos-de-caracter-personal-en-listas" rel="noreferrer" target="_blank">https://sicuz.unizar.es/informacion-sobre-proteccion-de-datos-de-caracter-personal-en-listas</a><br>
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