A formal sequent system dealing with Menelaus' configurations is introduced in this paper. The axiomatic sequents of the system stem from 2-cycles of Δ-complexes. The Euclidean and projective interpretations of the sequents are defined and a soundness result is proved. This system is decidable and its provable sequents deliver incidence results. A cyclic operad structure tied to this system is presented by generators and relations.

There is no agreed minimum standard with regard to what is considered safe, competent nursing care. Limited resources and organizational constraints make it challenging to develop a minimum standard. As part of their everyday practice, nurses have to ration nursing care and prioritize what care to postpone, leave out, and/or omit. In developed countries where public healthcare is tax-funded, a minimum level of healthcare is a patient right; however, what this entails in a given patient’s actual situation is unclear. Thus, (...) both patients and nurses would benefit from the development of a minimum standard of nursing care. Clarity on this matter is also of ethical and legal concern. In this article, we explore the case for developing a minimum standard to ensure safe and competent nursing care services. Any such standard must encompass knowledge of basic principles of clinical nursing and preservation of moral values, as well as managerial issues, such as manpower planning, skill-mix, and time to care. In order for such standards to aid in providing safe and competent nursing care, they should be in compliance with accepted evidence-based nursing knowledge, based on patients’ needs and legal rights to healthcare and on nurses’ codes of ethics. That is, a minimum standard must uphold a satisfactory level of quality in terms of both professionalism and ethics. Rather than being fixed, the minimum standard should be adjusted according to patients’ needs in different settings and may thus be different in different contexts and countries. (shrink)

The authors of the preceding articles1 raise legitimate questions about patient and staff rights and the unintended consequences of allowing ABC News to film inside teaching hospitals. We explain why we regard their fears as baseless and not supported by what we heard from individuals portrayed in the filming, our decade-long experience making medical documentaries, and the full un-aired context of the scenes shown in the broadcast. The authors don’t and can’t know what conversations we had, what documents we reviewed, (...) and what protections we put in place in each televised scene. Finally, we hope to correct several misleading examples cited by the authors as well as their offhand mischaracterization of our program as a “reality” show. (shrink)

We describe a broad class of problems, called “uncompromising problems,” which are characterized by the requirement that solutions must perform optimally on each of many test cases. Many of the problems that have long motivated genetic programming research, including the automation of many traditional programming tasks, are uncompromising. We describe and analyze the recently proposed “lexicase” parent selection algorithm and show that it can facilitate the solution of uncompromising problems by genetic programming. Unlike most traditional parent selection techniques, lexicase selection (...) does not base selection on a fitness value that is aggregated over all test cases; rather, it considers test cases one at a time in random order. We present results comparing lexicase selection to more traditional parent selection methods, including standard tournament selection and implicit fitness sharing, on four uncompromising problems: 1) finding terms in finite algebras; 2) designing digital multipliers; 3) counting words in files; and 4) performing symbolic regression of the factorial function. We provide evidence that lexicase selection maintains higher levels of population diversity than other selection methods, which may partially explain its utility as a parent selection algorithm in the context of uncompromising problems. (shrink)

The author continues the preceding exchange of views on the nature of metaphor with the American philosopher Nelson Goodman that has been published in 'Poetics Today'. He offers his own theory of metaphor, which assumes a middle ground between Goodman's semantic theory and Davidson's pragmatic conception. The article also presents another argument in support of the thesis that there are only true metaphors, and that the logical space assumed by Goodman for the metaphorical falsehood is already reserved for the category (...) of statements that are nonsensical. (shrink)

This “Legal Briefing” column covers recent legal developments involving patient decision aids. This topic has been the subject of recent articles in JCE. It is included in the 2010 Patient Protection and Affordable Care Act. And it has received significant attention in the biomedical literature, including a new book, a thematic issue of Health Affairs, and a recent article in the New England Journal of Medicine. Moreover, physicians and health systems across the United States are increasingly integrating decision aids into (...) their clinical practice. Both federal and state laws play a significant role in promoting this expanded use. On the other hand, concerns about liability could stymie development and implementation. We categorize legal developments concerning patient decision aids into the following five sections:1. Development of decision aids2. Effectiveness of decision aids3. Federal regulation of decision aids4. State regulation of decision aids5. Legal concerns regarding decision aids. (shrink)

As ethical attitudinists say, ethical statements cannot be strictly true or false, since they express wishes or attitudes, not beliefs. However, the wishes expressed by basic moral judgments about human rights are such that it is a necessary truth that those who know what human beings are have them, and those who do not acknowledge these rights show their lack of a living sense of human reality. The same goes for basic judgments about the rights of animals, and it is (...) blindness about the ontology of animal reality which lies behind the cruelty to animals inherent in vivisection and factory farming. One current source of this blindness may be the physicalist metaphysics which is typical of our day, and which should be sharply distinguished from metaphysical naturalism. (shrink)

La raccolta di contributi analizza alcuni dei temi più significativi dell’opera dello psicologo e filosofo Paolo Bozzi.

Anonymous verse work on Indic philosophy and self-realization; with interpretive notes.

« Mais pourquoi diable les humains, sur leur petite planète bleue, s’intéressent-ils à ce point à moi, qui ne suis qu’un extraterrestre? » : telle est la question que pose un E. T. parmi tant d’autres, depuis l’espace intersidéral, à une autrice de science-fiction qui a transformé ce genre littéraire qu’est le space opéra et à un astrophysicien qui est aussi le président du plus grand festival de sciences et de science-fiction en France : les Utopiales à Nantes.