Volume 34, Issue 1/2, 2018
John N. Deely Memorial Issue
Susan Petrilli

, Augusto Ponzio
Pages 163-187
https://doi.org/10.5840/ajs2018341/22
With John Deely in Semio-Philosophical Research
John Deely¡¯s contribution to semiotics can be synthetically framed in the formula ¡°Versus fallaciam ¡®pars pro toto¡¯¡± (¡°Against the fallacy of exchanging ¡®a part for the whole¡¯¡±). This is an approach he theorized and practiced in close association with Thomas A. Sebeok¡¯s global semiotics, Deely being one of the latter¡¯s major promotors and disseminators. All his monographs, whether books or essays, have contributed to the development of semiotics in this sense, both on a historical level, think of his translation of Poinsot¡¯s work, and on the theoretical. Semiotics for Deely is first of all a philosophical enterprise centred upon the problem of human understanding and its signs and epitomized in the concept of ¡°semiotic animal¡±. Moreover, Deely¡¯s original analysis of the history of philosophy and its problems within the framework of four ages of understanding can be read as a contribution to our own understanding of the concept of ¡°otherwise than being¡± as formulated by Emmanuel Levinas. According to Deely, this new horizon is first adumbrated in Thomas Aquinas¡¯s neglected notion that ¡°being as first known¡± involves equally ens rationis and ens reale: not only inseparable from the Umwelt of any animal, but also constitutive of the species-specific human Umwelt or Lebenswelt. The problem of the recognition of the other as other is present in filigrain in Deely¡¯s writings, leading him to investigate the relation between ethics and philosophy. Our paper is intended as an exposition and development of themes such as these which constitute Deely¡¯s research¡ªinterrupted no doubt, but amply developed and rich in signposts for further research itineraries.