When certain formal symbol systems (e.g., computer programs) are implemented as dynamic physical symbol systems (e.g., when they are run on a computer) their activity can be interpreted at higher levels (e.g., binary code can be interpreted as LISP, LISP code can be interpreted as English, and English can be interpreted as a meaningful conversation). These higher levels of interpretability are called "virtual" systems. If such a virtual system is interpretable as if it had a mind, is such a "virtual (...) mind" real? This is the question addressed in this "virtual" symposium, originally conducted electronically among four cognitive scientists: Donald Perlis, a computer scientist, argues that according to the computationalist thesis, virtual minds are real and hence Searle's Chinese Room Argument fails, because if Searle memorized and executed a program that could pass the Turing Test in Chinese he would have a second, virtual, Chinese-understanding mind of which he was unaware (as in multiple personality). Stevan Harnad, a psychologist, argues that Searle's Argument is valid, virtual minds are just hermeneutic overinterpretations, and symbols must be grounded in the real world of objects, not just the virtual world of interpretations. Computer scientist Patrick Hayes argues that Searle's Argument fails, but because Searle does not really implement the program: A real implementation must not be homuncular but mindless and mechanical, like a computer. Only then can it give rise to a mind at the virtual level. Philosopher Ned Block suggests that there is no reason a mindful implementation would not be a real one. (shrink)

An e-mail discussion can be rendered into print in several ways. Rather than trying to imitate a genuine conversation, this is a personal essay containing comments and replies by the other contributors. Most of the substantial points made in the e-mail discussion are contained here, although not always in the order they happened.

An e-mail discussion can be rendered into print in several ways. Rather than trying to imitate a genuine conversation, this is a personal essay containing comments and replies by the other contributors. Most of the substantial points made in the e-mail discussion are contained here, although not always in the order they happened.

Readable and accessible collection of papers re thinking machines.

Each annual Ontology Summit initiative makes a statement appropriate to each Summit’s theme as part of our general advocacy designed to bring ontology science and engineering into the mainstream. The theme this year is "Towards an Open Ontology Repository". This communiqué represents the joint position of those who were engaged in the year's summit discourse on an Open Ontology Repository (OOR) and of those who endorse below. In this discussion, we have agreed that an "ontology repository is a facility where (...) ontologies and related information artifacts can be stored, retrieved and managed." -/- We believe in the promise of semantic technologies based on logic, databases and the Semantic Web, a Web of exposed data and of interpretations of that data (i.e., of semantics), using common standards. Such technologies enable distinguishable, computable, reusable, and sharable meaning of Web and other artifacts, including data, documents, and services. We also believe that making that vision a reality requires additional supporting resources and these resources should be open, extensible, and provide common services over the ontologies. (shrink)

The Knowledge Interchange Format (KIF) [2] is an ASCII- based framework for use in exchanging of declarative knowledge among disparate computer systems. KIF has been widely used in the fields of knowledge engineering and artificial intelligence. Due to its growing importance, there arose a renewed push to make KIF an offi- cial international standard. A central motivation behind KIF standardization is the wide variation in quality, style, and content — of logic-based frameworks being used for knowledge representation. Variations of all (...) three types, of course, hinder the possibility of semantic integration. A well-crafted logic standard for the representation of declarative knowledge would impose some greatly needed syntactic and semantic uniformity on the current somewhat chaotic situation, uniformity that would in turn greatly enhance the capacity for semantic integration. For all its potential advantages, however, the idea of a logic standard is problematic for at least two reasons. (shrink)

This volume explores how Catholicism began and continues to open its doors to the wider world and to other confessions in embracing ecumenism, thanks to the vision and legacy of the Second Vatican Council. It explores such themes as the twentieth century context preceding the council; parallels between Vatican II and previous councils; its distinctively pastoral character; the legacy of the council in relation to issues such as church-world dynamics, as well as to ethics, social justice, economic activity. Several chapters (...) discuss the role of women in the church before, during, and since the council. Others discern inculturation in relation to Vatican II. The book also contains a wide and original range of ecumenical considerations of the council, including by and in relation to Free Church, Reformed, Orthodox, and Anglican perspectives. Finally, it considers the Council’s ongoing promise and remaining challenges with regard to ecumenical issues, including a groundbreaking essay on the future of ecumenical dialogue by Cardinal Walter Kasper. (shrink)

This chapter examines a little-known movement to make the Our Lady of Perpetual Help icon the patroness of the proceedings of the Second Vatican Council. Begun by American Redemptorists, it sought to integrate a Marian piety into the conciliar ethos, but one that was decidedly cross-cultural and ecumenical. Explicit in its mission for unity between Roman Catholics and the separated churches of the East, the movement promoted the icon as the key to repairing centuries-old wounds. Insofar as 2015 begins the (...) sesquicentennial year of the icon’s association with Redemptorists, as well as its value as an ecumenical tool, the author explores whether OLPH can lend new impetus for unity between Orthodox and Catholics ahead of the proposed joint synod in 2025. (shrink)

Beyond the Ancient Quarrel brings together contributions from leading scholars to explore the boundaries between literature, philosophy, and literary criticism in the work of J.M. Coetzee.

Harnad accepts the picture of computation as formalism, so that any implementation of a program - thats any implementation - is as good as any other; in fact, in considering claims about the properties of computations, the nature of the implementing system - the interpreter - is invisible. Let me refer to this idea as 'Computationalism'. Almost all the criticism, claimed refutation by Searle's argument, and sharp contrasting of this idea with others, rests on the absoluteness of this separation between (...) a computational system and its implementation. (shrink)

This debate, principally between myself (Nigel Thomas) and Patrick Hayes, the well known computer scientist and Artificial Intelligence researcher, took place through the internet mailing list for the discussion of the scientific study of consciousness, PSYCHE-D (moderated by Patrick Wilken), which is associated with the on-line journal PSYCHE. The discussion touches on the various different senses in which the expression "mental image" may be used, the underlying cognitive mechanisms of imagery, and the relevance of an understanding of imagery to the (...) understanding of conscious thought, and thought in general. As the debate became rather 'unthreaded' on the list, following it through this page may help the reader to better understand what was going on. (shrink)

But still I think some account has to be given of the application of CM to tides and cannon balls etc. etc. It seems to me that Einstein's and Bohr's analysis was essentially correct: we make the connection, and thus apply the mathematical statements of CM to macroscopic features of the world about us, by constructing, within the mathematical framework,. macroscopic conglomerates of the elementary particles and fields that should have the general appearance of tides and billiard, looked at from (...) a distance, and that would respond to the probings of mathematical models of measuring devices, whose "pointers" we can see from afar, in the ways that waves and billiard balls do. I think a look at how CM has been used and applied since the time of Newton and Galileo shows that the mathematical theory is linked into our experiences of the world in this nonproblematic way, and that this correspondence at this nonproblematic level is part of classical mechanics in the broad sense in which it is understood by people who use it. (shrink)

ABSTRACT This article seeks to examine the emergence of the image of hysteria that originated at the Salpêtrière Hospital in Paris in the late nineteenth century and has since been transferred across new generations of phototexts through ekphrasis. It is first shown how this stereotypically feminine and sexualised image was initiated by the medical tome Iconographie Photographique de la Salpêtrière - an effect that belies the physicians' original intentions - and is then taken up in the public imagination by the (...) surrealists André Breton and Louis Aragon before emerging in Georges Didi-Huberman's 1982 critical text Invention of Hysteria. Didi-Huberman's monograph offers insight into how persistent this image becomes, even taking shape in discourses that attempt to undermine it. Didi-Huberman furthermore highlights how developments in photographic technology have contributed to the shaping of hysteria. Finally, this article considers how the figure of the hysteric appears in J. M. Coetzee's 2005 novel Slow Man in the character of Marianna. The manner in which she is depicted presents an ekphrasis that can be matched to the vision of hysteria that began with the Iconographie Photographique de la Salpêtrière, thereby showing how this histrionic and gender-stereotyped iteration of hysteria from the nineteenth century remains a readily accessible mode of expression. (shrink)

Born in 1956, Santu Mofokeng formed part of the Afrapix Collective that engaged in exposé and documentary photography of anti-apartheid resistance and social conditions during the 1980s in South Africa. However, Mofokeng was an increasingly important internal critic of mainstream photojournalism, and of the ways black South Africans were represented in the bigger international picture economy during the political struggle. Eschewing scenes of violence and the third-party view of white-on-black brutality in particular, he began his profound explorations of the everyday (...) and spiritual dimensions of African life, both in the city and in the countryside. His formal techniques favor “fictions” that contain smoke, mist, and other matters and techniques that occlude rather than expose. Using angularity and ambivalence, he also ruptures realist expectations and allows space for the uncanny and the supernatural. He works with the notion of seriti . The essay follows strands in Mofokeng’s writings and statements in relation to certain of his photographs, most recently repositioned in the substantial 2007 exhibition Invoice, to argue that he has pushed for a desecularization and Africanization of photography from the 1980s to the present. In more recent work the scourge of apartheid has been replaced by the HIV/AIDS virus, a mutation of nature, exacerbating the spiritual insecurities of many people in post-apartheid South Africa. The essay concludes that Mofokeng’s work poses a critique of the parallel paradigms of Marxist-influenced social history and documentary photography in 1980s South Africa, both still highly influential, by attempting to reinsert aura into photography and by highlighting what secular Marxism has concealed and proscribed. (shrink)

Henry re. your recent reply to Aaron. OK, current physics does not allow us to retreat into a comfortable assumption of Newtonian regularity. However, given the following range of options, I know which I find the 'spookiest'.

Within the field of aesthetics, there are several approaches to answering what affects how and whether an individual engages with a particular art or aesthetic object. Two theories that attempt to come to a solution on this issue are theories of attunement and attachment which respectively argue that one’s engagement is primarily affected by one’s attunement or attachment, through a system of values, beliefs, and associations, to an object. While these theories are successful in responding to a variety of cases, (...) individually, they leave something to be desired explicatively, and, in light of this, I will develop in this essay an alternative that centres itself on the character of the aesthetic subject which will do the work of both approaches without having to make any taxing conceptual commitments. (shrink)