Current trends in soviet logic

A survey of the outstanding developments in Soviet philosophical logic shows that the formal and dialectical logicians have resolved most of the issues that divided them in the early 1950s. In orientation they are both converging on the avant‐garde of English‐speaking logicians who regard formalization as irrelevant for solving the essential problems of philosophical logic. Soviet dialecticians consider their logic to be a rapprochement with epistemology that will result in a logic that is concerned with the content and genetic development of concepts. Such a logic will provide a methodology of science that can encompass the creative growth of science, in contrast to the positivists’ fixation on the ‘logic of the finished research report’.     

Credulism

Conclusion The credulity principle approach to the issue of the rationality of religious belief is a clear advance over the proof approach. For the proof approach, in the end, is simply too wedded to an infallibilist conception of rational belief; and initially, at least, the credulity principle approach seems to avoid this conception. In the end, however, it affirms that same viewpoint; for if it does not embody an infallibilist conception of epistemic principles, its critical property of intersubjectivity is beyond defense. Thus, in recognizing the inadequacy of infallibilist conceptions of rationality, we can see the inadequacy of both the proof approach and the credulity principle approach to the existence of God. It is simply false that the experiences of others is efficacious in conferring rationality on our beliefs.But if neither of these approaches is adequate, how is one to approach the issue of the rationality of religious belief? The subjective nature of rational belief provides the answer - if one wishes to argue that God exists, one will have to provide as many arguments as there are divergent sets of acceptable epistemic principles. There still is a place for such arguments; but only given the assumption that we share views about what sorts of inferences are proper, or that other arguments can be constructed for the superiority of certain epistemic principles. The view that must be given up, however, is that the discussions philosophers have of these issues need bear any relation to whether or not the normal religious believer has a reasonable belief or not - he does not need there to be a good philosophical argument that God exists in order to reasonably believe that God exists. Nor is any non-believer necessarily irrational just because there is such a good argument.Thus, once the nature of rational belief is properly appreciated, it appears that the question of the rationality of religious belief is not a central question any longer. Whether such beliefs are rational is a quite subjective question not capable of being answered by any sort of universal generalization about all religious believers and/or non-believers.     

The social individual in clinical ethics

Except for several provocative final sentences, Sigrid Fry-Revere's "A Libertarian Critique of H. Tristram Engelhardt, Jr.'s The Foundations of Bioethics" is not a libertarian so much as it is a philosophical critique. Engelhardt's work has been widely reviewed, and its arguments have been discussed in Fry-Revere's article and elsewhere. Although it would be impractical in this context to undertake the development of a full-scale, philosophical alternative to libertarianism in bioethics, some recent work in philosophy and clinical ethics bears strongly on the challenge that Engelhardt's work represents. In this commentary I will focus on the implications of a certain alternative philosophy -- and by comparison the limitations of Engelhardt's libertarianism -- for one important aspect of clinical ethics: our understanding of the nature of individuality, with special reference to the situation of the patient. I write as an admiring critic of Engelhardt's work, from which I have learned and drawn inspiration....     

On the Ternary Relation and Conditionality

One of the most dominant approaches to semantics for relevant (and many paraconsistent) logics is the Routley?CMeyer semantics involving a ternary relation on points. To some (many?), this ternary relation has seemed like a technical trick devoid of an intuitively appealing philosophical story that connects it up with conditionality in general. In this paper, we respond to this worry by providing three different philosophical accounts of the ternary relation that correspond to three conceptions of conditionality. We close by briefly discussing a general conception of conditionality that may unify the three given conceptions.     

Argument by Analogy

In this essay I characterize arguments by analogy, which have an important role both in philosophical and everyday reasoning. Arguments by analogy are different from ordinary inductive or deductive arguments and have their own distinct features. I try to characterize the structure and function of these arguments. It is further discussed that some arguments, which are not explicit arguments by analogy, nevertheless should be interpreted as such and not as inductive or deductive arguments. The result is that a presumed outcome of a philosophical dispute will have to be reconsidered.     

INTUITIONS AS INFERENTIAL JUDGMENTS*

According to philosophical orthodoxy, intuitions are perception‐like in that they provide us with non‐inferential justification. In this paper, I present four arguments to show that orthodoxy is mistaken: Intuitions, as used in thought experiments, are inferential judgments, that is the results of inferential transitions that are inferentially justified (if justified at all). The discussion will shed light on the nature of intuition but also on the nature of inference.     

Logic, Formal Methodology and Semantics in Works of Ryszard W��jcicki

For decades Ryszard Wójcicki has been a highly influential scholar in the community of logicians and philosophers. Our aim is to outline and comment on some essential issues on logic, methodology of science and semantics as seen from the perspective of distinguished contributions of Wójcicki to these areas of philosophical investigations.     

Eight Dialectic Benchmarks Discussed By Two Artificial Localist Disputors

Dispute types can roughly be divided in two classes. One class in whichthe notion of justification is fundamental, and one in which thenotion of opposition is fundamental. Further, for every singledispute type there exist various types of protocols to conduct such adispute. Some protocols permit local search (a process in which oneis allowed to justify claims partially, with the possibility to extendjustifications on request later), while other protocols rely on globalsearch (a process in which only entire arguments count as justifications).This paper integrates the two above-mentioned types of dispute withthe use of a protocol that permits local search. The locality aspect isrelatively new to computer scientists, while the detailed computationalelaboration of the approach is relatively new to philosophical logicians.The proposed protocol is demonstrated with the help of eight benchmarks.These benchmarks are centered around the problem that co-concludingarguments sometimes accrue, and sometimes do not.     

Modality,Si! Modal Logic,No!

This article is oriented toward the use of modality in artificial intelligence (AI). An agent must reason about what it or other agents know, believe, want, intend or owe. Referentially opaque modalities are needed and must be formalized correctly. Unfortunately, modal logics seem too limited for many important purposes. This article contains examples of uses of modality for which modal logic seems inadequate.I have no proof that modal logic is inadequate, so I hope modal logicians will take the examples as challenges.Maybe this article will also have philosophical and mathematical logical interest.     

Methodology in aesthetics: the case of musical expressivity

A central method within analytic philosophy has been to construct thought experiments in order to subject philosophical theories to intuitive evaluation. According to a widely held view, philosophical intuitions provide an evidential basis for arguments against such theories, thus rendering the discussion rational. This method has been the predominant way to approach theories formulated as conditional or biconditional statements. In this paper, we examine selected theories of musical expressivity presented in such logical forms, analyzing the possibilities for constructing thought experiments against them. We will argue that philosophical intuitions are not available for the evaluation of the types of counterarguments that would need to be constructed. Instead, the evaluation of these theories, to the extent that it can succeed at all, will centrally rely on inferential, non-immediate access to our subjective musical experiences. Furthermore, attempted thought experiments lose their methodological function because no proper distinction can be drawn between the persons figuring in the thought-experimental scenario and the evaluator of the scenario. Consequently, some of the central contributions to what is generally understood to be analytic philosophy of art are shown to represent a form of aesthetic criticism, offering much less basis for rational argumentation than is often thought.     

Three Pervasive Presuppositions about Human Life and Ethics Strongly Warrant Analysis

Common philosophical discussions concerning the ethics of human interaction with the biosphere and universe have been significantly informed by certain presuppositions: (1) nature is conquerable; (2) human cultural and social (contrasted with moral) progress is somewhat like a thing, beyond human control, and is inevitable and benevolent; and (3) Homo sapiens is the superior life‐form. Although arguments, such as whether humans should conquer nature, founded upon these presuppositions have sometimes been challenged, each of these three presuppositions wants direct analysis. The three have become so ingrained in professional and everyday discourse that they have mythic proportions, as though beyond question. Because of the weightiness of the relevant philosophical issues, they merit overt analysis. Although they are independent and may be analyzed separately, this article treats them as whole, as they often work together in arguments. After finding substantial problems, the article suggests alternative ways of building sustainable presuppositions in similar territory.     

The implications of rejecting free will: An empirical analysis

While skeptical arguments concerning free will have been a common element of philosophical discourse for thousands of years, one could make the case that such arguments have never been more numerous or forceful than at present. In response to these skeptical attacks, some philosophers and psychologists have expressed concern that the widespread acceptance of such skeptical attitudes could have devastating social consequences. In this paper, I set out to address whether such concerns are well-founded. I argue that there is reason to believe that should skeptical arguments result in the widespread dismissal of human free will, the results of such a dismissal are likely to be more positive than negative.     

The Social and Ethical Acceptability of NBICs for Purposes of Human Enhancement: Why Does the Debate Remain Mired in Impasse?

The emergence and development of convergent technologies for the purpose of improving human performance, including nanotechnology, biotechnology, information sciences, and cognitive science (NBICs), open up new horizons in the debates and moral arguments that must be engaged by philosophers who hope to take seriously the question of the ethical and social acceptability of these technologies. This article advances an analysis of the factors that contribute to confusion and discord on the topic, in order to help in understanding why arguments that form a part of the debate between transhumanism and humanism result in a philosophical and ethical impasse: 1. The lack of clarity that emerges from the fact that any given argument deployed (arguments based on nature and human nature, dignity, the good life) can serve as the basis for both the positive and the negative evaluation of NBICs. 2. The impossibility of providing these arguments with foundations that will enable others to deem them acceptable. 3. The difficulty of applying these same arguments to a specific situation. 4. The ineffectiveness of moral argument in a democratic society. The present effort at communication about the difficulties of the argumentation process is intended as a necessary first step towards developing an interdisciplinary response to those difficulties.     

Proof and Dialogue in Aristotle

Jan ?ukasiewicz’s analysis of Aristotle’s syllogism drew attention to the nature of syllogisms as conditionals rather than premise-conclusion arguments. His further idea that syllogisms should be understood as theorems of an axiom system seems a step too far for many logicians. But there is evidence to suggest that Aristotle’s syllogism was to regularise some of the steps made in ‘dialogue games.’ This way of seeing the syllogism is explored in the framework of modern formal dialogue systems. A modern formal syllogistic game, DLSyll, is set out and analysed in use.     

The Philosophical Foundations of Humanistic Psychology: A Reply to McMullen

McMullen (1982) attempted in his critique of humanistic psychology to attack its philosophical foundations, taking these to be phenomenology and a doctrine of self determination. In this paper we argue that McMullen has misrepresented the philosophical position of the humanists, then we examine McMullen's own philosophical assumptions. We show that he has assumed the philosophy of empirical realism which we argue is inadequate as a foundation for science. It is shown that it is the inadequacy of McMullen's assumptions which underlies his failure to comprehend the position of the humanists. We then present a version of theoretical realism and show how, in terms of this, a conception of being can be justified which allows for the emergence of hierarchical order. On the basis of this conception of being we reassess the nature of self-determination and motivation, showing how, in opposition to both the empirical realism of McMullen and the philosophical dualism of conventional humanistic psychology, a naturalistic form of humanistic psychology is justified.     

The role of philosophy in the contemporary abortion debate.

Inspired by Patrick Lee's "A Christian Philosopher's View of Recent Directions in the Abortion Debate," this essay raises the question of how effective philosophical arguments can be in determining the moral status of legalized abortion. On one hand, Christian philosophers have been successful in explaining both the humanity and the personhood of the unborn child, as well as exposing the incoherence of those who would deny the unborn child's humanity or personhood. Nevertheless, in order to confront the pro-abortion position in its most radical form, a much more complex philosophical argument must be given. Following thinkers such as Alasdaire MacIntyre, Christian philosophers must articulate and promote a philosophical position according to which morality is conceived in richer terms than the mere respecting of individual rights. The social dimension of human nature must be rediscovered in order that the happiness and welfare of others becomes a desirable goal in and of itself. According to a morality where individual rights is the bottom line (for example, that of Judith Jarvis Thompson), women very well may have the right to "extricate" themselves from their pregnancy even when doing so will result in the death of their child. What must be explained, therefore, is the more profound insight that social morality is equally concerned with obligations to others, including those who are most helpless and unable to speak for themselves.     

Paraconsistency in classical logic

Classical propositional logic can be characterized, indirectly, by means of a complementary formal system whose theorems are exactly those formulas that are not classical tautologies, i.e., contradictions and truth-functional contingencies. Since a formula is contingent if and only if its negation is also contingent, the system in question is paraconsistent. Hence classical propositional logic itself admits of a paraconsistent characterization, albeit “in the negative”. More generally, any decidable logic with a syntactically incomplete proof theory allows for a paraconsistent characterization of its set of theorems. This, we note, has important bearing on the very nature of paraconsistency as standardly characterized.     

Mathematics and Symbolic Logics: Some Notes on an Uneasy Relationship

Symbolic logics tend to be too mathematical for the philosophers and too philosophical for the mathematicians; and their history is too historical for most mathematicians, philosophers and logicians. This paper reflects upon these professional demarcations as they have developed during the century.     

The Opposite of Human Enhancement: Nanotechnology and the Blind Chicken Problem

Nanotechnologies that have been linked to the possibility of enhancing cognitive capabilities of human beings might also be deployed to reduce or eliminate such capabilities in non-human vertebrate animals. A surprisingly large literature on the ethics of such disenhancement has been developed in response to the suggestion that it would be an ethically defensible response to animal suffering both in medical experimentation and in industrial livestock production. However, review of this literature illustrates the difficulty of formulating a coherent ethical debate. Well structured arguments for disenhancement can be made on the basis of mainstream views on the basis of ethical obligations to animals, but these arguments have not been persuasive against the moral intuition that disenhancements are unethical. At the same time, attempts to ground these intuitions in a coherent philosophical doctrine have been plagued by logical fallacies and question begging assertions. As such, the debate over animal disenhancement forecasts an enduring conundrum with respect to the core question of transforming the nature of sentient beings, and this conundrum is logically independent of claims that relate either to the distinctive of human beings or to issues deriving from the emphasis on enhancement.