This book is a revised version, with some omissions, of a Cambridge doctoral dissertation submitted in 1963: I fear that it still bears marks of its origins. The dissertation itself was the result of an earlier scheme to identify the sources of Plotinus' psychological doctrines. In the course of this work it soon became evident that it was not sufficient1y clear what these doctrines were. Students of Plotinus have tended to concentrate on the higher regions of his world, and there is still no satisfactory treatment of his doctrines of the embodied soul. It is the purpose of this book to provide a fairly extensive survey of these doctrines. It does not claim to be exhaustive. Nor does it claim to add a large body of new knowledge, since over so wide a field many points have been touched on by others, if only in passing. But I hope that it may remove some misconceptions, and bring the details of Plotinus' theories into sharper focus. It had been my intention to add an introduction - mainly for the benefit of non-specialist readers - on the psychology of Plotinus' predecessors. In the meantime the Cambridge History of Later Greek and Early Medieval Philosophy has appeared, and the reader who wants information on this subject may convenient1y be referred to the relevant parts of the late Professor Merlan's chapters on the predeces sors of Plotinus.
H. J. Blumenthal is such an eminent scholar in the field of Neoplatonic Studies, and the scholarship exhibited by this book is so wide-ranging and impressive, that I would venture to say that this is the most important book on Neoplatonism to be published since Dominic O'Meara's Pythagoras Revived." —Steven Strange, Emory UniversityScholars have traditionally used the Aristotelian commentators as sources for lost philosophical works and occasionally also as aids to understanding Aristotle. In H. J. Blumenthal's view, however, the commentators often assumed that there was a Platonist philosophy to which not only they but Aristotle himself subscribed. Their expository writing usually expressed their versions of Neoplatonist philosophy. Blumenthal here places the commentators in their intellectual and historical contexts, identifies their philosophical views, and demonstrates their tendency to read Aristotle as if he were a member of their philosophical circle.This book focuses on the commentators' exposition of Aristotle's treatise De anima (On the Soul), because it is relatively well documented and because the concept of soul was so important in all Neoplatonic systems. Blumenthal explains how the Neoplatonizing of Aristotle's thought, as well as the widespread use of the commentators' works, influenced the understanding of Aristotle in both the Islamic and Judaeo-Christian traditions.H. J. Blumenthal is the author or coeditor of six previous books and is currently preparing a two-volume translation, with introduction and commentary, of Simplicius' Commentary on "De anima" for publication in Cornell's series Ancient Commentators on Aristotle.
In On the Soul 3.1-5, Aristotle goes beyond the five sense to the general functions of sense perception, the imagination and the so-called active intellect, the of which was still a matter of controversy in the time of Thomas Aquinas. In his commentary on Aristotle's text, 'Simplicius' insists that the intellect in question is not something transcendental but the human rational soul. He denies both Plotinus' view that a part of the soul has never descended from uninterrupted contemplation of the Platonic Forms, and Proclus' view that the soul cannot be changed in its substance through embodiment. He also denies that imagination sees things as true or false, which requires awareness of one's own cognitions. He thinks that imagination works by projecting imprints. In the case of mathematics, it can make the imprints more like shapes taken on during sense perception or more like concepts, which calls for lines without breadth. He acknowledges that Aristotle would not agree to reify these concepts as substances, but thinks of mathematical entities as mere abstractions. Addressing the vexed question of authorship, H. J. Blumenthal concludes that the commentary was written neither by Simplicius nor Priscian. In a novel interpretation, he suggests that if Priscian had any hand in this commentary, it might have been as editor of notes from Simplicius' lectures.
For Plotinus, the nature and status of the human soul is one of the central problems of philosophy. Ennead IV.3-4.29 constitutes his most penetrating enquiry into this topic, addressing the issues of the relation of the individual soul to the World Soul, the descent of the soul into body, its relations with that body, problems of personal identity and the nature of memory, sense perception, and the true seat of the emotions -many of which still have a resonance today. The treatise is an excellent example of Plotinus' distinctive method of enquiry: not dogmatic (though he is no sceptic), but worrying away at questions until he has uncovered their complexities to the best of his ability. Such a work requires detailed commentary, such as is provided here, to tease out fully the fascinating convolutions of his thought.
The practice of using untreated wastewater for irrigation is widespread but has been largely ignored because the norm has always been that wastewater should be treated before use. Increasing water scarcity, lack of money for treatment and a clear willingness by farmers to use untreated wastewater have led to an uncontrolled expansion of wastewater use. It is therefore important to better document the practice of irrigation with untreated wastewater in order to find out how it can be improved within the financial possibilities of very low-income countries.
Farming communities in water-scarce regions increasingly practice the use of urban wastewater in agriculture. Untreated urban wastewater is generally considered unacceptable for direct use because of potential health risks. However, in many parts of the world, poor farmers in peri-urban areas use untreated wastewater. This situation is considered likely to continue even in the foreseeable future due to the high investment cost associated with the installation of treatment facilities.
H. J. Blumenthal is such an eminent scholar in the field of Neoplatonic Studies, and the scholarship exhibited by this book is so wide-ranging and impressive, that I would venture to say that this is the most important book on Neoplatonism to be published since Dominic O'Meara's Pythagoras Revived." —Steven Strange, Emory UniversityScholars have traditionally used the Aristotelian commentators as sources for lost philosophical works and occasionally also as aids to understanding Aristotle. In H. J. Blumenthal's view, however, the commentators often assumed that there was a Platonist philosophy to which not only they but Aristotle himself subscribed. Their expository writing usually expressed their versions of Neoplatonist philosophy. Blumenthal here places the commentators in their intellectual and historical contexts, identifies their philosophical views, and demonstrates their tendency to read Aristotle as if he were a member of their philosophical circle.This book focuses on the commentators' exposition of Aristotle's treatise De anima (On the Soul), because it is relatively well documented and because the concept of soul was so important in all Neoplatonic systems. Blumenthal explains how the Neoplatonizing of Aristotle's thought, as well as the widespread use of the commentators' works, influenced the understanding of Aristotle in both the Islamic and Judaeo-Christian traditions.H. J. Blumenthal is the author or coeditor of six previous books and is currently preparing a two-volume translation, with introduction and commentary, of Simplicius' Commentary on "De anima" for publication in Cornell's series Ancient Commentators on Aristotle.
In Pakistan, over 40 million people are currently dependent on irrigation water for their domestic water needs. From 1998 to 2002, the International Water Management Institute (IWMI) conducted different studies on the linkages between irrigation water management and health in the southern Punjab, Pakistan. This paper presents the findings of the studies on water quality and domestic water use.
A hot topic. Contributors address: guidelines for sampling and analyzing aluminum levels in the body, how acid rain alters aluminum in the typical North American diet, the alleged link between aluminum and Alzheimer's disease, the role of aluminum in the dynamics of bone physiology, occupational exp
This book presents an interdisciplinary approach to conflict solution focusing on a very specific type of conflict, retributive conflicts . It is unique in the treatment of these and how relative measurement is used to find equilibrium solutions. The authors present an alternative process to address the Israeli-Palestinian conflict. They do so in two ways that are different from past efforts. The first is by formally structuring the conflict and the second is the manner in which discussions were conducted and conclusions drawn. The approach will help create a solution and provide negotiators with a unique pathway to consider the thorny issues and corresponding concessions underlying the deliberations, together with their implementation. The Analytic Hierarchy Process (AHP) provides a way to conflict solution with the participation of negotiators for the parties. It is a positive approach that makes it possible to reason and express feelings and judgments with numerical intensities to derive priorities. With the assistance of panels of Israeli participants and Palestinian participants brought together in 2006 to 2017, AHP was applied for the first time in a group setting to the Palestinian-Israeli conflict. The process makes it clear that moderation in different degrees by both sides is essential to arrive at acceptable agreements on concessions proposed and agreed upon by both sides.
Interstitial Alloys covers the significant progress in the development and understanding of the principles and applications of interstitial alloys. Interstitial alloy refers to the existence of a pure metal lattice, which the metal-metal atom bond remains the dominant one, and the non-metal atoms are sufficiently small to be accommodated within the metal lattice without, or with only a limited degree of, distortion from metal-type symmetry. This book contains 10 chapters and begins with a brief introduction to the basic principles of interstitial alloys. The next two chapters describe the physical properties of these alloys, along with their behavior in solid solutions. The remaining chapters deal with a specific interstitial alloy, its structure, physico-chemical properties, preparation, and application. This work specifically considers carbide, nitride, boride, silicide, oxide, hydride, and mixed interstitial alloys. This book will be of value to chemists and physicists.
This report contains a review of technologies used within the rubber recycling industry. The development practical application, advantages and disadvantages of the individual processes are detailed as well as the characteristics and performance of the end products. Applications of recycled rubbers, with and without other materials are discussed and future trends in rubber recycling are evaluated briefly. An additional indexed section containing several hundred abstracts from the Rapra Polymer Library database provides useful references for further reading.
For Plotinus, the nature and status of the human soul is one of the central problems of philosophy. Ennead IV.3-4.29 constitutes his most penetrating enquiry into this topic, addressing the issues of the relation of the individual soul to the World Soul, the descent of the soul into body, its relations with that body, problems of personal identity and the nature of memory, sense perception, and the true seat of the emotions -many of which still have a resonance today. The treatise is an excellent example of Plotinus' distinctive method of enquiry: not dogmatic (though he is no sceptic), but worrying away at questions until he has uncovered their complexities to the best of his ability. Such a work requires detailed commentary, such as is provided here, to tease out fully the fascinating convolutions of his thought.
This book is a revised version, with some omissions, of a Cambridge doctoral dissertation submitted in 1963: I fear that it still bears marks of its origins. The dissertation itself was the result of an earlier scheme to identify the sources of Plotinus' psychological doctrines. In the course of this work it soon became evident that it was not sufficient1y clear what these doctrines were. Students of Plotinus have tended to concentrate on the higher regions of his world, and there is still no satisfactory treatment of his doctrines of the embodied soul. It is the purpose of this book to provide a fairly extensive survey of these doctrines. It does not claim to be exhaustive. Nor does it claim to add a large body of new knowledge, since over so wide a field many points have been touched on by others, if only in passing. But I hope that it may remove some misconceptions, and bring the details of Plotinus' theories into sharper focus. It had been my intention to add an introduction - mainly for the benefit of non-specialist readers - on the psychology of Plotinus' predecessors. In the meantime the Cambridge History of Later Greek and Early Medieval Philosophy has appeared, and the reader who wants information on this subject may convenient1y be referred to the relevant parts of the late Professor Merlan's chapters on the predeces sors of Plotinus.
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