The stream of human consciousness appears to be interruptible, in that we can experience a sensation of ‘returning to ourselves after an absence of content’ (e.g. sleep, anaesthesia, full-absorption meditation). Prima facie, such evidence poses a challenge to simple applications of theories of consciousness based on electromagnetic or neural activity in the brain, because some of this activity persists during periods of interruption. This paper elaborates one of several possible responses to the challenge. We build on a previous theory in (...) which EM field topology delineates complex macrophenomenal experience. We first apply an analytic lens to identify different ways in which field topologies might generate sensations of ‘absence of content’. We then test the feasibility of a particular phenomenological approach for assessing those field topologies, powered by the unusual lucidity about cessation pathways induced via certain meditation practices and psychedelic dosages. We build computational simulations of these cessation pathways and test them on eight interviewees with various levels of experience in cessation states. We conclude that this approach can generate usable insight, but requires further formalisation to fulfil its potential. The findings tentatively support our claims but the theory remains speculative at this stage. We set out empirical tests with 11 specific predictions, both for further phenomenological research and for brain manipulation research. Although they align neatly, our ontological and cessation theories can also be separated. The paper describes how our theories can be consistent with other perspectives on consciousness, such as variants of predictive processing or global network theory. (shrink)

The mathematician al-Māhānī is the author of one of the first commentaries on the fifth Book of Euclid's Elements which have been handed down to us. In this commentary, al-Māhānī intends to justify Definitions V. 5 and V. 7 of the Elements, which deal with the identity of ratios and with greater ratio, by starting from an anthyphairetic conception of ratio, and by proving the equivalence of the Euclidean and the anthyphairetic points of view. We will try in this paper (...) to describe in detail the content of al-Māhānī's commentary, basing ourselves on a thorough examination of most of the extant manuscripts of the Arabic text. The reader will also find in the appendices a mathematical commentary, an English translation, and a critical edition of al-Māhānī's commentary. (shrink)

The Andalusian mathematician and astronomer Ibn Mun the celebrated Definition V.5.

Nous avons cherch dcle sur le Livre V des ments d'Euclide, m; et notamment de traduire en anglais les passages que nous avons jug d'expliquer pourquoi certains maths lfinition des grandeurs proportionnelles que l'on trouve au dléments.

Euclid's definition of proportional magnitudes in the Fifth Book of the Elements gave rise to many commentaries. We examine closely two of these commentaries, one by al-Jayy and the other by Saunderson. Both al-Jayy and Saunderson attempted to defend Euclid's definition by making explicit what Euclid had only implied. We show that the two authors explain Euclid's position in a virtually identical manner.

The United Nations (UN) Food Systems Summit held in September 2021 has left the world with a jumble of ideas and no clear path forward for transforming the world’s food systems. The Summit was touted as the ultimate place to provide the world with solutions – but it never clarified the problems with the dominant food systems leaving participants with no coherent or cohesive framework. Most distressingly, the Food Systems Summit did not put the COVID-19 pandemic and ensuing food crisis (...) anywhere on its agenda. In this Policy Perspective, the author, the UN Special Rapporteur on the Right to Food, provides his first-hand account of the effects of the Summit not focusing on people’s immediate needs during a food crisis. The author briefly touches upon the Summit’s role in the global debate around meat consumption. This debate exemplifies how the Summit did very little to change the substance of global food debates. Instead, the Summit can be understood as an inter-corporate contest that did not have any substantive regard for social justice or human rights. (shrink)

On one classical conception of God, God has no parts, not even metaphysical parts. God is not composed of form and matter, act and potency, and he is not composed of existence and essence. God is absolutely simple. This is the doctrine of Absolute Divine Simplicity. It is claimed that ADS implies a modal collapse, i.e. that God’s creation is absolutely necessary. I argue that a proper way of understanding the modal collapse argument naturally leads the proponent of ADS to (...) reject a particular premise of the argument: namely, “the same identical cause brings about the same effect.” However, I argue that the rejection of that premise leads to a deeper problem for ADS. It leads to an explanatory gap: how can we explain the relevant type of indeterminism in an absolutely simple God? (shrink)

Legal restrictions of the right to self-determination increasingly pretend to be compatible with the liberal concept of autonomy: they act upon a ‘soft’ or autonomy-orientated paternalistic rationale. Conventional liberal critique of paternalism turns out to be insensitive to the intricate normative problems following from ‘soft’ or ‘libertarian’ paternalism. In fact, these autonomy-oriented forms of paternalism could actually be even more problematic and may infringe liberty rights even more intensely than hard paternalistic regulation. This paper contributes to the systematic differentiation of (...) soft and hard paternalism by discussing the (legal) concept of autonomy and elaborates the moral and legal limits of autonomy-orientated paternalism. (shrink)

The first comprehensive survey of Islamic philosophy from the seventh century to the present, this classic discusses Islamic thought and its effect on the cultural aspects of Muslim life. Fakhry shows how Islamic philosophy has followed from the earliest times a distinctive line of development, which gives it the unity and continuity that are the marks of the great intellectual movements of history.

This fascinating introduction explores the major philosophical, theological and mystical concepts that have developed into Islamic philosophy.

This article addresses the question which structures occur as fixed structures of stable structures with a generic automorphism. In particular we give a Galois theoretic characterization. Furthermore, we prove that any pseudofinite field is the fixed field of some model ofACFA, any one-free pseudo-differentially closed field of characteristic zero is the fixed field of some model ofDCFA, and that any one-free PAC field of finite degree of imperfection is the fixed field of some model ofSCFA.

Originally published in 1958. Occasionalism is generally associated in the history of philosophy with the name of Malébranche. But long before this time, the Muslim Theologians of the ninth and tenth centuries had developed an occasionalist metaphysics of atoms and accidents. Arguing that a number of distinctively Islamic concepts such as fatalism and the surrender of personal endeavour cannot be fully understood except in the perspective of the occasionalist world view of Islam, the volume also discusses the attacks on Occasionalism (...) made by Averroes and St. Thomas Aquinas. (shrink)

The discussion of rationality can only be conducted today against the backdrop of the raging postmodernist and deconstructionist onslaught on the “citadel of reason,” as one writer has put it recently. Although the current postmodernist skirmishes are launched against modernism as represented by Descartes and Kant, it is clear that the proclamation of the bankruptcy of reason or “the end of philosophy,” as both Martin Heidegger and Richard Rorty have put it, goes well beyond the modernism of Descartes and Kant. (...) It is part of the struggle between logos and anti‐logos which is really perennial. (shrink)

This book consists of a systematic analysis of the basic concepts of Islamic ethics and is based on a vast amount of material in Arabic which is not easily accessible to Western scholars, especially those who have no knowledge of the Arabic language.

From the introduction of Greek Philosophy into the Muslim world in the eighth century to modern times, this book charts the evolution and interactions of philosophy, theology and mysticism in the Islamic context. In a succinct but comprehensive guide, Majid Fakhry highlights key individuals, movements, concepts and writings, and explores the conflicts and controversies between anti-and pro- philosophical parties that have characterised the development of Islamic thought. The book also features coverage of: * the translation of ancient texts and their (...) transmission to the Muslim world * The development of a systematic philosophy in Islam * Theology, mysticism and the development of Sufism *Contemporary trends Accessible and stimulating, this book will be appreciated by students, scholars and all those interested in broadening their knowledge of the Islamic tradition. (shrink)

Ladyman and Presnell have recently argued that the Hole argument is naturally resolved when spacetime is represented within homotopy type theory rather than set theory. The core idea behind their proposal is that the argument does not confront us with any indeterminism, since the set-theoretically different representations of spacetime involved in the argument are homotopy type-theoretically identical. In this article, we will offer a new resolution based on ZFC set theory to the argument. It neither relies on a constructive-intuitionistic form (...) of mathematics, as used by Ladyman and Presnell, nor is foundationally problematic, such as the existing set-theoretic suggestions. (shrink)

This is the only available comprehensive introduction to the life and achievements of the ninth-century Islamic pjilosopher, Al-Farabi.

I defend an account of God’s ineffability that depends on the distinction between fundamental and non-fundamental truths. I argue that although there are fundamentally true propositions about God, no creature can have them as the object of a propositional attitude, and no sentence can perfectly carve out their structures. Why? Because these propositions have non-enumerable structures. In principle, no creature can fully grasp God’s intrinsic nature, nor can they develop a language that fully describes it. On this account, the ineffability (...) of God is explained in terms of the inability of our language and mental capacities to grasp God as he really is. I will motivate my account by distinguishing it from a rival proposal. According to this rival, there are no fundamentally true propositions about God’s intrinsic nature. I argue that this rival proposal faces problems that my account does not face. And unlike this rival and other accounts of ineffability, my account provides a fitting explanation of why God is ineffable. God is ineffable because the structure of his intrinsic nature is infinite. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:A Tenth-Century Arabic Interpretation of Plato's Cosmology MAJID FAKIIRY OF PLATO'STHIRTY-SIXDIALOG~Y~Sonly the Timaeus is devoted entirely to cosmological questions. The influence of this dialogue on the development of cosmological ideas in antiquity and the Middle Ages was very great. At a time when the knowledge of Greek philosophy and science in Western Europe had almost vanished, the Timaeus was the only Greek cosmological work to circulate freely in learned (...) circles. The translation and commentary of Chalcidius (c. 350) made the Timaeus available to Latin scholars, at least up to c. 53. But interest in the Timae~s was sustained for a long time before that. The lost commentary of Posidonius of Apamea (d. 51 B.C.), the De animae procreatione in Timeo of Plutarch (d. A.D. 125), the commentary of Proclus (d. 485), extant up to 44d,1 are the most important links in this continuous chain of Platonic cosmological exegesis in antiquity. In the Arabic tradition, the Timaeus had a decisive impact on the development of cosmological ideas also. Plutarch and Proclus were familiar names in the history of Platonic and post-Platonic thought, but I am not aware that the Stoic Posidonius, whom Zeller has described as ".the most universal mind that Greece had seen since the time of Aristotle," 2 was known to the Arabs, or that any mention of his commentary on the Timaeus is to be found in the Arabic sources. General interest in Platonism was an early feature of the philosophical wave which swept the Islamic learned world in the 8th century, and Zeller may be right in saying that it was the Platonic School of Athens which gave Muslim Neoplatonism its peculiar stamp. 3 One of the earliest translators of philosophical texts into Arabic, Yah.ia (b. al-Bit.riq) who flourished in the 2rid half of the 8th century, is credited with the translation of the Timaeus, later retranslated or revised by Hunain (b. Ish~q; d. 873) and Yahia (b. 'Adi and not, as Sarton has it, b. 'Ali; d. 974).~ In addition, the following Platonic dialogues appear to have been translated into Arabic: The Sophistes, the Parmenides, the Cratylus, the Euthydemus, the Republic, the Statesman, the Laws and the Crito. The determination of the actual translator of each work poses serious difficulties. In an autobiographical tract, Hunain simply reports that either he or his disciple Is~ (b. Yahia) translated these works for his patron Muhammad (b. Cf. A. E. Taylor, A Commentary on Plata's Timaeu~ (Oxford, 1928),pp. 34f., and George Sarton, History o] Science (Cambridge, Mass., 1959),I, 428f. Cf. E. Zeller,OutEnesof the History oSGreek Philosophy (N.Y., 1955),p. 268. sIbid., p. 329. ' Cf. al-Fihrist (Cairo, N~D.),p. 358. [15] 16 HISTORY OF PHILOSOPHY Musa), the astrologer.~ Other writers corroborate or supplement this account. Thus Ibn al-Nadim (d. 997), ascribes to Hunain the interpretation (tarsi'r) of the Republic, to him and to Ibn 'Adi the translation of the Laws, and to his son Ish.iq the translation of the Sophistes, together with the commentary of Olympiodorus2 The Crito appears to have been translated also by Yahia (b. Adi), and extensive excerpts from it and the Phaedo are often quoted in the Arabic sources in connection with the trial and execution of Socrates. Another difficulty is raised by the fact that none of the Arabic versions of these dialogues which have come down to us, either as separate works or parts of general commentaries such as the Laws, the Timaeus and the Republic, are complete, so that the inference is inescapable that, as borne out by Hunain's own testimony, it was Galen's paraphrases or compendia of these works, or at any rate those which were translated into Arabic within the School of Hunain, that are actually referred to in our sources.7 It is not, however, with the general diffusion of Platonism in the Muslim world that I am primarily concerned here, but rather with the impact of Platonic cosmological theory as illustrated in the writings of Abu Bakr Muhammad (b. Zakariya al-Razi; d., c. 932), the Rhases of Latin authors, the greatest... (shrink)

An in-depth portrait of the great Muslim philosopher introduces readers to the fascinating and controversial ideas that landed Averroes in hot water on more than one occasion. Original.