The article discusses the sceptical New Academy's interpretation of Plato as a sceptic. The first part discusses Arcesilaus' reintroduction of Socratic method, and the reading of the Socratic dialogues and the Theaetetus implied by this. The second part discusses arguments probably used by the later, more moderate Academy for a reading of Plato's more dogmatic dialogues in a way consistent with scepticism.

This is the first book-length study of Philo of Larissa. Philo (159-84 BC) was the leader of the Platonic Academy in its final period as an Athenian institution, and also the principal philosophical teacher of Cicero. Dr Brittain charts Philo's gradual rejection of the radical scepticism of Carneades (concluding with his notorious 'Roman Books' of 89 BC), and offers philosophical justifications for his initial position of modified scepticism and final advocacy of a fallibilist empiricism. Philo's controversial epistemological views are constructed (...) through their historical context in the late Hellenistic Academy, his wider thought on the history of philosophy, ethics and rhetoric, and his controversies with his pupils Antiochus and Aenesidemus. The appendix contains full testimonia and 'fragments' of Philo. (shrink)

Members of the New Academy presented their sceptical position as the culmination of a progressive development in the history of philosophy, which began when certain Presocratics started to reflect on the epistemic status of their theoretical claims concerning the natures of things. The Academics' dogmatic opponents accused them of misrepresenting the early philosophers in an illegitimate attempt to claim respectable precedents for their dangerous position. The ensuing debate over the extent to which some form of scepticism might properly be attributed (...) to the Presocratics is reflected in various passages in Cicero's "Academica." In this essay, we try to get clearer about the precise nature of the Academics' historical claim and their view of the general lesson to be learned from reflection on the history of philosophy down to their own time. The Academics saw the Presocratics as providing some kind of support for the thesis that things are non-cognitive, or, more specifically, that neither the senses nor reason furnishes a criterion of truth. As this view is susceptible to both 'dialectical' and non-dialectical readings, we consider the prospects for each. We also examine the evidence for the varied functions both of the Academics' specific appeals to individual Presocratics and of their collections of the Presocratics' divergent opinions. What emerges is a better understanding of why the Academics were concerned with claiming the Presocratics as sceptical ancestors and of the precise manner in which they advanced this claim. (shrink)

Cicero's philosophical works are now exciting renewed interest and more generous appreciation, in part because he provides vital evidence of the views of the (largely lost) Greek philosophers of the Hellenistic age, and partly because of the light he casts on the intellectual life of first-century Rome. Hellenistic philosophy has in recent years atrracted growing interest from academic philosophers in Europe and North America. The Nature of the Gods is a document of central significance in this area, for it presents (...) a detailed account of the theologies of the Epicureans and of the Stoics, together with the critical objections to these doctrines raised by the Academic school. hen these Greek theories of deity are translated into the Roman context, a fascinating clash of ideologies results. (shrink)

Ancient and modern perspectives -- The origin of epistemology -- Plato -- Republic -- Theaetetus -- Knowledge versus belief -- Aristotle -- Posterior analytics -- De anima -- Epicureanism and stoicism -- Epicurean epistemology -- Stoic epistemology -- Skepticism -- Pyrrho and the beginning of skepticism -- Academic skepticism -- The pyrrhonist revival -- Plotinus and the neoplatonic synthesis -- The platonist's response to the pyrrhonist -- Knowledge and consciousness -- Imagination -- Varieties of naturalism -- Naturalism redivivus -- Epistemology (...) and nature -- Naturalism and the mental -- Concluding remarks. (shrink)

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Cet article propose une interprétation de la philosophie de la Nouvelle Académie différente de celle qui a été défendue par J. Annas. Il nous semble que la prise en compte de l'ensemble des témoignages concernant cette école suggère une réalité plus complexe que celle que recouvre le concept de scepticisme, au moins dans sa version néopyrrhonienne. Nous croyons qu'Arcésilas et Carnéade n'ont pas délimité un Platon sceptique, mais qu'ils ont accepté à leur manière l'ensemble de l'héritage platonicien. La force de (...) la tradition apparaît donc plus forte dans l'histoire de l'Académie que ne l'admettent généralement les interprètes. The purpose of this article is to give an interpretation of the New Academy's philosophy quite different from the one defended by J. Annas. In our opinion the reading of the whole testimonies relating to this school suggests a greater complexity than what is embraced by the concept of skepticism, at least in its neopyrrhonian version. We believe that Arcesilas and Carneades, instead of confining Plato whithin the limits of skepticism, have accepted - in their own way - the whole Platonician legacy. Thus the burden of tradition seems more important in the history of the Academy than it is generally admitted. (shrink)

British Journal for the History of Philosophy, Volume 19, Issue 3, Page 573-579, May 2011.

Particularly during the past twenty five years, there has been an outstanding advance in the study of ancient skepticism, both in its Pyrrhonian and Academic varieties. This is reflected in the publication of a considerable number of works about the nature and consistency of those philosophical outlooks, as well as about their influence on the development of early modern philosophy and their relevance to present day epistemological discussions. Most of these works concern Pyrrhonian skepticism. This predominance of interest in Pyrrhonism (...) over Academic skepticism also manifests itself in the fact that, whereas in recent years several new translations of Sextus Empiricus' writings (our principal source for Pyrrhonism) have appeared in the most important European languages, the same has not happened with Cicero's Academica, which is our main source of information about the philosophy of the skeptical Academy. Even though Sextus'. (shrink)

Cicero may be best known as a politician, but he was also one of the few significant Roman writers of philosophy. Powell presents a new and exciting selection of current scholarly work on this neglected side of him, establishing Cicero firmly as a serious philosophical writer of continuing importance and relevance.

In the first half of the first century BC the Academy of Athens broke up in disarray. From the wreckage of the semi-sceptical school there arose the new dogmatic philosophy of Antiochus, synthesised from Stoicism and Platonism, and the hardline Pyrrhonist scepticism of Aenesidemus. With his extensive knowledge of the ways in which Plato was read and invoked as an authority in late antiquity Dr Tarrant builds a most impressive reconstruction of Philo of Larissa's brand of Platonism and of its (...) arrival in Middle Platonism, particularly that of Plutarch, long after the Academy's institutional demise. Particularly valuable is his exploitation for this purpose of a text barely discussed since its publication 80 years ago - a commentary on Plato's Theaetetus whose unidentified author Dr Tarrant has cogently argued to be a follower of Philo, perhaps Eudorus of Alexandra. Among many other achievements, Dr Tarrant throws much light on the relation of Aenesideman scepticism to the Academy. (shrink)

Introduction -- Pyrrho and Timon: the origin of Pyrrhonian scepticism -- Arcesilaus: the origin of academic scepticism -- Carneades -- Cicero: the end of the sceptical academy -- Aenesidemus: the Pyrrhonian revival -- Sextus empiricus: the consistency of Pyrrhonian -- Scepticism -- Pyrrhonian arguments -- The (ordinary) life of a Pyrrhonist.

with Thomas F. Gordon and Henry Prakken. Artificial Intelligence, forthcoming. [Preprint posted.].

An ancient argument attributed to the philosopher Carneades is presented that raises critical questions about the concept of an all-virtuous Divine being. The argument is based on the premises that virtue involves overcoming pains and dangers, and that only a being that can suffer or be destroyed is one for whom there are pains and dangers. The conclusion is that an all-virtuous Divine (perfect) being cannot exist. After presenting this argument, reconstructed from sources in Sextus Empiricus and Cicero, this paper (...) goes on to model it as a deductively valid sequence of reasoning. The paper also discusses whet her the premises are true. Questions about the possibility and value of proving and disproving the existence of God by logical reasoning are raised, as well as ethical questions about how the cardinal ethical virtues should be defined. (shrink)