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Search Results: 1 - 10 of 316 matches for " Ulysses; "
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Contingência e análise infinita em Leibniz
Pinheiro, Ulysses;
Kriterion: Revista de Filosofia , 2001, DOI: 10.1590/S0100-512X2001000200004
Abstract: leibniz says in various occasions that infinite analysis is the key concept to explain the compatibillity of determinism and contingence. it is not evident, however, why the analogical use of a mathematical concept, such as infinitesimal calculus, could solve this ontological problem, nor in what sense one should understand such analogy. the aim of this paper is to elucidate these two points.
Pinheiro, Ulysses;
Kriterion: Revista de Filosofia , 2006, DOI: 10.1590/S0100-512X2006000100009
Abstract: at first sight, actions and omissions do not share the same properties. some authors hold that an illustration of this assimetry is causality: actions must be explained as the instantiation of a causal relation between an agent and certain facts, while omissions seem to have to be explained as the absence of causal relations between a person and the relevant facts. in this paper, i will show that actions and omissions are, contrary to appearances, simetrical regarding the attribution of genuine causality.
A "doen?a dos eruditos" e a triangularidade da ideia de triangulo: uma análise do conceito de espa?o no tratado de Hume
Pinheiro, Ulysses;
Kriterion: Revista de Filosofia , 2010, DOI: 10.1590/S0100-512X2010000100004
Abstract: hume's analysis of the concept of space in the treatise of human nature commits him to a series of positive assertions on its nature and on the content represented by its idea: space is finitely divisible, and its idea is composed of colored or tactile non-extended points, which leads him to conclude that the idea of space is itself spatial. these assertions seem to commit hume to an idealistic theory of space. in this paper, i propose to elucidate hume's arguments for his positive theses and to examine his commitment to idealism through a characterization of the nature of treatise's propositions.
Re-examining hypotheses concerning the use and knowledge of medicinal plants: a study in the Caatinga vegetation of NE Brazil
Ulysses de Albuquerque
Journal of Ethnobiology and Ethnomedicine , 2006, DOI: 10.1186/1746-4269-2-30
Abstract: A study was undertaken with the participation of 31 adults from a rural community in the state of Pernambuco, Brazil, in order to analyze the patterns of use of medicinal plant resources, and to test a number of hypotheses concerning their use and local knowledge about them. The sources of medicinal plants used by the local community, the differences in oral information concerning the use of plants with their effective uses, and the role of exotic plants in local folk medicine practices were examined.Forty-eight plant species were cited as having medicinal uses, of which 56.25% are native to the Caatinga region. The patterns of harvesting and the importance of these trees and shrubs as medicinal plants seem to be compatible with a hypothesis based on the seasonal availability of plant resources. There is no direct correlation between known medicinal plants and those used by the local population, which agrees with observations made in different tropical regions. However, this observation was not interpreted in terms of the idea of "erosion" of knowledge (commonly used to explain this lack of correlation), but rather to propose two new concepts: "mass knowledge" and "stock knowledge".Native plants are a very significant component of locally used medicinal plants, although exotic plants are important for treating specific health problems – which leads the proposal of a hypothesis of diversification.Patterns of medicinal plant use by local peoples are considered to vary as a function of plant habitat collection, cultural changes, and ecological and biochemical aspects [1,2]. For example, on one hand the literature suggests that the most probable explanation for the dominance of weeds in different medicinal floras is that they have high levels of bioactive compounds. This idea is based on the apparency hypothesis [see [3-5]]. The central idea is the following: "the plants could be classified into two basic groups: 'apparent', and 'non-apparent'. 'Apparent' plants are usu
Manejo tradicional de plantas em regi?es neotropicais
Albuquerque, Ulysses Paulino de;
Acta Botanica Brasilica , 1999, DOI: 10.1590/S0102-33061999000300011
Abstract: the main aspects of traditional plant management techniques exercised in the neotropic are briefly reviewed. the aims of this work are: 1. to describe how some traditional populations, especially those located in neotropical areas, manage natural resources; 2. to identify the main strategies employed; 3. to emphasize the contribution of traditional techniques to the sustainable development and management of natural resources. two types of resource management are characterized and discussed: community management, and individual species management. in view of the fact that some traditional populations manage natural resources based on an integrated conception of nature, it is possible to verify that traditional knowledge systems can contribute to sustainable development.
A qualidade das publica??es científicas: considera??es de um Editor de área ao final do mandato
Albuquerque, Ulysses Paulino de;
Acta Botanica Brasilica , 2009, DOI: 10.1590/S0102-33062009000100031
Abstract: quality of scientific publications is being currently discussed considering different perspectives. in this text, we examine some of the main problems concerning textual production in science, emphasizing those considered of bad behaviors. additionally, we present suggestions for authors, reviewers and editors in order to avoid misconducts in the publication process of scientific papers.
Three new varieties in Ocimum L. (Lamiaceae)
Albuquerque, Ulysses P. de;
Brazilian Archives of Biology and Technology , 1999, DOI: 10.1590/S1516-89131999000100001
Abstract: three new infraspecifc taxa in ocimum are described from northeastern brazil, which were based in vegetative morphology, habit, stem indumentum or purple pigmentation; these were o. minimum var. religiosum albuquerque var. nov., o. campechianum var. pubescens albuquerque var. nov. and o. campechianum var. congestifolium albuquerque var. nov.
The tragedy of the common reviewers: the peer review process
Albuquerque, Ulysses Paulino de;
Revista Brasileira de Farmacognosia , 2011, DOI: 10.1590/S0102-695X2011005000036
Abstract: the peer review process is the dominant system adopted in science to evaluate the quality of articles submitted for publication. various social players are involved in this process, including authors, editors and reviewers. much has been discussed about the need to improve the scientific quality of what is published. the main focus of these discussions has been the work of the authors. however, the editors and reviewers also fulfill an important role. in this opinion article, we discuss some proposals to improve the peer review system, emphasizing the role of reviewers and editors.
Chagasic enteropathy
Meneghelli, Ulysses G.;
Revista da Sociedade Brasileira de Medicina Tropical , 2004, DOI: 10.1590/S0037-86822004000300012
Abstract: involvement of the hollow organs of the digestive apparatus can occur in patients in the chronic phase of chagas' disease. the basic mechanism is destruction of neurons of the enteric nervous system. whereas megaesophagus and megacolon are the most notable and most extensively studied expressions of the digestive form of chagas' disease, involvement of the small intestine (chagasic enteropathy) is less frequent and less known than involvement of the two above mentioned entities. chagasic enteropathy can be responsible for important clinical and laboratory manifestations resembling those of dyspeptic syndrome, intestinal pseudo-obstruction and bacterial overgrowth in the small intestine. chagasic enteropathy also involves peculiar functional changes, especially those related to motor activity of the organ and to intestinal absorption of carbohydrates. in practice, the diagnosis is based on radiographic documentation of dilation of visceral segments. treatment consists of clinical control of the above syndromes and, eventually, appropriate surgical operations.
Yes to Realism! No to Non-naturalism!
Ulysses T. Ara?a
Kritike : an Online Journal of Philosophy , 2009,
Abstract: According to contemporary moral realism a moral property, like goodness or badness, is either a natural (descriptive) property or a non-natural (nondescriptive) property of actions or situations. Contemporary moral naturalists like Richard Boyd, Nicholas Sturgeon, and David Brink are a group of philosophers who are often referred to as Cornell realists because of their connection with Cornell University. Frank Jackson is another contemporary moral naturalist who is one of the leaders of The Canberra Planners at the Australian National University with which he is connected. Jackson defends “the most extreme form of naturalism.” Jackson’s view is considered extremeby those who disagree with him because he believes that moral properties are reducible or identical to natural properties. This view of Jackson is opposed by contemporary non-naturalists like Jonathan Dancy, Derek Parfit, and Russ Shafer-Landau for reasons which in my view are not successful. Despite Jackson’s reductionism about the ethical, the Cornell realists, nevertheless, agree with him that moral properties are natural properties.
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