In his recent work, Duncan Pritchard defends a novel Wittgensteinian response to the problem of radical scepticism. The response makes essential use of a form of non-epistemicism about the nature of hinge commitments. According to non-epistemicism, hinge commitments cannot be known or grounded in rational considerations, such as reasons and evidence. On Pritchard’s version of non-epistemicism, hinge commitments express propositions but cannot be believed. This is the non-belief theory of hinge commitments. One of the main reasons in favour of (...) NBT over rival anti-sceptical Wittgensteinian views is that it has less theoretical costs and revisionary consequences than its rivals. In this paper, I argue that NBT fares at least as bad as its rivals in terms of its theoretical costs and revisionism. In particular, I argue that NBT is inconsistent with certain cases of philosophical disagreement; that it faces worries with mental-state scepticism; and that it faces difficulties in explaining how we can represent ourselves as committed to hinge commitments. (shrink)

This chapter argues that contemporary literary criticism suffers from a reflexive faith in things, conceived broadly as static objects that reflect wider political, social, and cultural practices. Literature is re-imagined here as an open-ended event that demands an immanent materialism in which distinctions between literary objects and human bodies no longer stand up. By reflecting on the ambiguous “thing-ness” of Shakespeare, Vallelly draws attention to the elusive nature of things in theatrical spaces, and explores how this enigmatic materiality can be (...) applied to literary experience more generally. To do so, he draws on Roberto’s Bolaño’s 2666, affect theory, and new materialism to construct a new literary materialism, one in which literary meaning is located neither in the human nor in the non-human world, but in the affective correspondence between these worlds. To illustrate this point, the chapter concludes with a discussion of the relationship between characters and stones in Shakespearean drama. (shrink)

Attempts have been made to prove God's non-existence. Often this takes the form of an appeal to the so-called Argument from Evil: if God were to exist, then he would not permit as much suffering in the world as there actually is. Hence the fact that there is so much suffering constitutes evidence for God's non-existence. In this essay I propose a variation which I shall call ‘The Argument from Non-belief’. Its basic idea is that if God were to (...) exist, then he would not permit as much non-belief in the world as there actually is. Hence the fact that there is so much non-belief constitutes evidence for God's non-existence. (shrink)

This paper combines various structures representing degrees of belief, degrees of disbelief, and degrees of non-belief (degrees of expectations) into a unified whole. The representation uses relations of comparative necessity and possibility, as well as non-probabilistic functions assigning numerical values of necessity and possibility. We define all-encompassing necessity structures which have weak expectations (mere hypotheses, guesses, conjectures, etc.) occupying the lowest ranks and very strong, ineradicable ('a priori') beliefs occupying the highest ranks. Structurally, there are no differences from (...) the top to the bottom. I argue that belief is a vague notion, and that thresholds for belief, if there are any, are context-dependent. (shrink)

Much of the reigning research on non-religion and non-belief focuses on demographics and personality characteristics. While this is a necessary foundation on which future research may be built upon, such data does not necessarily produce theory. In many ways the dominant cultural milieu of religions along with the benign intent of some researchers force a person who holds no belief in a God to assume an oppositional identity in relation to religion. This oppositional identity tautologically sets researchers up (...) to continually define its object by the absence of something. This something cannot always function as a normative point of reference in which to tell researchers what to look for. This article provides one such normative trajectory, termed “horizontal transcendence.”. (shrink)

We might be tempted to think that, necessarily, if God unsurpassably loves such created persons as there may be, then for any capable created person S and time t, God is at t open to being in a positively meaningful and reciprocal conscious relationship with S at t, where one is open to relationship with another only if one never does anything (by commission or omission) that would have the result that the other was prevented from being able, just by (...) trying, to participate in that relationship. I argue that we should resist the temptation. (shrink)

Duncan Pritchard’s Epistemic Angst promises a novel solution to the closure-based sceptical problem that, unlike more traditional solutions, does not entail revising our fundamental epistemological commitments. In order to do this, it appeals to a Wittgensteinian account of rational evaluation, the overarching theme of which is that it neither makes sense to doubt nor to believe in our anti-sceptical hinge commitments. The purpose of this paper is to show that the argument for the claim that there can be no rational (...) basis to believe our anti-sceptical hinge commitments relies upon an implicit assumption about rational support that I label The Pritchensteinian Rational Grounds Principle. I argue that, insofar as this principle is intended to apply to closure-style inferences, it leads to irrational doxastic attitudes. I consider a seemingly plausible modification of the principle that would avoid this result but show that this modified principle faces serious problems of its own. -/- . (shrink)

Why is evolutionary theory controversial among members of the American public? We propose a novel explanation: allegiance to different criteria for belief. In one interview study, two online surveys, and one nationally representative phone poll, we found that evolutionists and creationists take different justifications for belief as legitimate. Those who accept evolution emphasize empirical evidence and scientific consensus. Creationists emphasize not only the Bible and religious authority, but also knowledge of the heart. These criteria for belief remain (...) predictive of views about evolution even when taking into account other related factors like religion, political affiliation, and education. Each view is supported by its own internally specified criteria for what constitutes a justified belief. Changing minds may thus require changing epistemic norms. (shrink)

Traditional accounts of belief change have been criticized for placing undue emphasis on the new belief provided as input. A recent proposal to address such issues is a framework for non-prioritized belief change based on default theories (Ghose and Goebel, 1998). A novel feature of this approach is the introduction of disbeliefs alongside beliefs which allows for a view of belief contraction as independently useful, instead of just being seen as an intermediate step in the process (...) of belief revision. This approach is, however, restrictive in assuming a linear ordering of reliability on the received inputs. In this paper, we replace the linear ordering with a preference ranking on inputs from which a total preorder on inputs can be induced. This extension brings along with it the problem of dealing with inputs of equal rank. We provide a semantic solution to this problem which contains, as a special case, AGM belief change on closed theories. (shrink)

A commonly-discussed feature of perceptual experience is that it has ‘assertoric’ or ‘phenomenal’ force. We will start by discussing various descriptions of the assertoricity of perceptual experience. We will then adopt a minimal characterization of assertoricity: a perceptual experience has assertoric force just in case it inclines the perceiver to believe its content. Adducing cases that show that visual experience is not always assertoric, we will argue that what renders these visual experiences non-assertoric is that they are penetrated by (...) class='Hi'>belief-like imaginings. Lastly, we will explain why it is that when belief-like imaginings—as opposed to beliefs (and other cognitive states)—penetrate visual experience, they render visual experiences non-assertoric. (shrink)

In this article, we propose a belief revision approach for families of (non-classical) logics whose semantics are first-order axiomatisable. Given any such (non-classical) logic , the approach enables the definition of belief revision operators for , in terms of a belief revision operation satisfying the postulates for revision theory proposed by Alchourrrdenfors and Makinson (AGM revision, Alchourrukasiewicz's many-valued logic. In addition, we present a general methodology to translate algebraic logics into classical logic. For the examples provided, we (...) analyse in what circumstances the properties of the AGM revision are preserved and discuss the advantages of the approach from both theoretical and practical viewpoints. (shrink)

I argue that the (widely accepted) normative constraints on belief raise a serious problem for non-cognitivism about normativity.

That in Gettier's alleged counterexamples to the traditional analysis of knowledge as justified true belief the belief condition is satisfied has rarely been questioned. Yet there is reason to doubt that a rational person would come to believe what Gettier's protagonists are said to believe in the way they are said to have come to believe it. If they would not, the examples are not counter-examples to the traditional analysis. I go on to discuss a number of examples (...) inspired by Gettier's and argue that they, too, fail to be counter-examples either for reasons similar to those I have urged or because it is not clear that their subject does not know. (shrink)

This paper studies how the introduction of non-additive probabilities (capacities) affects the solvability of strategic games.

This book argues against the mainstream view that we should treat propositional attitudes as internal states, suggesting that to treat beliefs as things of certain sort (id est to reify them) is a mistake. The reificatory view faces several problems that the non-reificatory view avoids, and it is argued the non-reificatory view is more faithful to the everyday concept of belief. There are several major reasons why it might be thought that a reificatory approach to mental states is nevertheless (...) unavoidable, but this book attempts to show that none of these reasons is at all convincing; in each case, the evidence is consistent with a non-reificatory view. Having argued that the popularity of the reificatory view is unjustified, the author examines history of psychology and philosophy of mind, and the structure of psychological language, in order to show that this popularity is quite understandable, but mistaken nonetheless. (shrink)

The summativists generally analyze group belief in terms of belief of the majority. The non-summativists counterargue that it is possible for a group to believe that p even if “none” of its members believes that p. In doing so, they usually appeal to hypothetical cases in which groups are “structured” groups like committees, research groups, governments, as opposed to “collective” groups like Finns, America, Catholic Church. In this paper, I raise the objection that non-summativist cases involve summativism. While (...) most contemporary objections to non-summativism tend to be rejectionists, i.e., showing that non-summativist cases involve group acceptance rather than group belief, my objection is newfangled in that it grants non-summativist cases group belief but shows that group belief in such cases is majority belief. (shrink)

ABSTRACT The major approaches to belief revision and non monotonic reasoning proposed in the literature differ along a number of dimensions, including whether they are ?syntax- based? or ?semantic-based?, ?foundational? or ?coherentist?, ?consistence-restoring? or ?inconsistency-tolerant?. Our contribution towards clarifying the connections between these various approaches is threefold: ?We show that the two main approaches to belief revision, the foundations and coherence theories, are mathematically equivalent, thus answering a question left open in [Gar90, Doy92], The distinction between syntax-based approaches (...) to revision and approaches based on (semantic) preferential structures falls along similar lines, and their expressive equivalence is a consequence of this result. ?We formally clarify the connection between belief revision and non monotonic reasoning, in a particularly simple way which also throws light on the connection between consistence- restoring and reasoning-from-inconsistency approaches [BDP95]. ?As a direct application of the above, we show that Poole's (syntax-based) system of default reasoning and Shoham's preferential semantic for non monotonic reasoning are also expressively equivalent, in that they can represent the same set of non monotonic consequence relations. (shrink)

Peter Gärdenfors has proved (Philosophical Review, 1986) that the Ramsey rule and the methodologically conservative Preservation principle are incompatible given innocuous-looking background assumptions about belief revision. Gärdenfors gives up the Ramsey rule; I argue for preserving the Ramsey rule and interpret Gärdenfors's theorem as showing that no rational belief-reviser can avoid reasoning nonmonotonically. I argue against the Preservation principle and show that counterexamples to it always involve nonmonotonic reasoning. I then construct a new formal model of belief (...) revision that does accommodate nonmonotonic reasoning. (shrink)

We examine the link between the growing emphasis on corporate social responsibility at the organizational level and beliefs about social responsibility at work (SRW) expressed by individuals. Drawing from theories of professionalism and diffusion of innovations (including practices and beliefs), we advance hypotheses about beliefs of managers and non-managers in 11 countries at two time periods, and use a unique international data set to test our hypotheses. Our general prediction that managers would score higher than non-managers on a measure of (...) SRW was not supported. However, further analysis revealed a more complex relationship moderated by the contextual factors of time frame and country inequality level. We discuss implications and extensions for future research. (shrink)

We examine the link between the growing emphasis on corporate social responsibility at the organizational level and beliefs about social responsibility at work (SRW) expressed by individuals. Drawing from theories of professionalism and diffusion of innovations (including practices and beliefs), we advance hypotheses about beliefs of managers and non‐managers in 11 countries at two time periods, and use a unique international data set to test our hypotheses. Our general prediction that managers would score higher than non‐managers on a measure of (...) SRW was not supported. However, further analysis revealed a more complex relationship moderated by the contextual factors of time frame and country inequality level. We discuss implications and extensions for future research. (shrink)

ABSTRACT The major approaches to belief revision and non monotonic reasoning proposed in the literature differ along a number of dimensions, including whether they are “syntax- based” or “semantic-based”, “foundational” or “coherentist”, “consistence-restoring” or “inconsistency-tolerant”. Our contribution towards clarifying the connections between these various approaches is threefold: •We show that the two main approaches to belief revision, the foundations and coherence theories, are mathematically equivalent, thus answering a question left open in [Gar90, Doy92], The distinction between syntax-based approaches (...) to revision and approaches based on (semantic) preferential structures falls along similar lines, and their expressive equivalence is a consequence of this result. •We formally clarify the connection between belief revision and non monotonic reasoning, in a particularly simple way which also throws light on the connection between consistence- restoring and reasoning-from-inconsistency approaches [BDP95]. •As a direct application of the above, we show that Poole's (syntax-based) system of default reasoning and Shoham's preferential semantic for non monotonic reasoning are also expressively equivalent, in that they can represent the same set of non monotonic consequence relations. (shrink)

The preceding two sections have considered, respectively, the discreditation of psychological belief, and of propositional belief, which begins with the claim that a belief possessed by some person is non-epistemically explicable and ends with the claim that that person is unreasonable or that that belief is (probably) false. Obviously, only certain strategies of discreditation were discussed, and those only partially. But if the examples of discrediting strategies were representative, and the remarks made about them were correct, (...) what, if anything, follows?It seems clear that the sheer fact that a person's belief is non-epistemically explicable entails very little if anything about the person's reasonability in holding it or the probable falsehood of the belief in question. Nor does the fact that a basic belief is held without reason or grounds seem to speak against the rationality of its believer - not at least with respect to the sort of propositions we called structural. It does not follow that one cannot rationally assess competing structural beliefs - that is another, and given the present argument an entirely open, question. It does seem correct that the more restrictive axioms of the ethics of properly held basic beliefs are ill-suited to deal responsibly with the acceptance of structural propositions. And at least some religious propositions - God exists among them - seem to me to be of that sort. Of course, that raises the question of what, exactly, a structural proposition is - which, again, is another topic.If the argument of this essay is correct, the shift from considering whether some particular (and perhaps idiosyncratic) person is reasonable in accepting some proposition, in cases where this is an interesting and debateable matter, to whether (on the whole) this proposition is one that can be accepted without rendering oneself unreasonable, seems to be an issue usually not capable of rational resolution without engaging in some sort of direct assessment of the proposition believed, and the strategy of trying to escape this by considering whether a person's acceptance of that proposition can be non-epistemically explained seems, on the whole, not a profitable enterprise. Further, often, at least, it can be countered in one or another of the ways we considered in the preceding two sections. So I am inclined to view the attempt to settle interesting debates about whether a person is reasonable in accepting a proposition by arguing that his acceptance is non-epistemically explicable as, on the whole, a failure.If anything, things are worse, so far as I can see, for attempts to argue from the fact that a person's belief is non-epistemically explicable to the conclusion that it is probably false. For, again, this argument has force only if the fact that this person's acceptance of it is non-epistemically explicable is not idiosyncratic, and this is establishable, often at least, only by appealing to the results of a direct assessment of the proposition believed (or by offering a judgment on this matter without benefit of any assessment, which of course is worthless). Nor, of course, is the nonepistemic explicability of a person's belief that P sufficient to discredit the person, let alone P, and the sorts of properties that are often alleged to accompany non-epistemically explicable beliefs seem either in fact not to accompany them, or to accompany only a basically irrelevant and uninteresting sub-set of them, or not to be such as to make falsehood of the propositions whose belief they accompany probable.A final comment These remarks, at best, scratch the surface of a difficult and complex topic. It is a topic on which, so far as I am aware, not a great deal has been written. My hope is that what I have said here may stimulate sufficient interest in the topic for others to provide a further exploration of the issues that I have here only been able to highlight. (shrink)

Sometimes a belief that p promotes having true beliefs, whether or not p is true. This gives reasons to believe that p, but most epistemologists would deny that it gives epistemic reasons, or that these reasons can epistemically justify the belief that p. Call these reasons to believe “truth promoting non-evidential reasons for belief.” This paper argues that three common views in epistemology, taken together, entail that reasons of this sort can epistemically justify beliefs. These three claims (...) are: epistemic oughts are normative, epistemic oughts have a source, and the source of epistemic oughts is an end that has true belief as a necessary component. These claims would be hard for many epistemologists to deny, but accepting them, and thus accepting that truth promoting non-evidential reasons can justify beliefs, has significant consequences for epistemology. The paper considers accounts of epistemic oughts that endorse these claims but might seem to avoid the consequence that truth promoting non-evidential reasons generate real epistemic oughts, and shows that none do. (shrink)

We often prefer non-deferential belief to deferential belief. In the last twenty years, epistemology has seen a surge of sympathetic interest in testimony as a source of knowledge. We are urged to abandon ‘epistemic individualism’ and the ideal of the ‘autonomous knower’ in favour of ‘social epistemology’. In this connection, you might think that a preference for non-deferential belief is a manifestation of vicious individualism, egotism, or egoism. I shall call this the selfishness challenge to preferring non-deferential (...) belief. The aim of this paper is to meet the selfishness challenge by arguing that non-deferential belief is socially valuable. (shrink)

Thought Theory seems to provide an answer to the paradox of fiction which has the ontological merits of current pretence accounts without, however, assuming mere pretence emotions. This article will question whether present formulations of TT live up to what they promise. Whenever its current versions try to include evaluative beliefs in a TT framework in order to comply with a cognitivist account of emotions, they either stop being a genuine thought theory or endorse the irrationalism of fictional emotions. This (...) unfortunate outcome can be prevented by shifting the focus to thoughts, and specifically to the genetic dynamics of how we come to think of the objects in question. This is at least what we can learn from Edmund Husserl, who developed a still underestimated account according to which it is possible to have the belief that x merits evaluation as appearing emotion-worthy without this belief implying that x merits being believed to exist. (shrink)

Although rationalization about one's own beliefs and actions can improve an individual's future decisions, beliefs can provide other benefits unrelated to their epistemic truth value, such as group cohesion and identity. A model of resource-rational cognition that accounts for these benefits may explain unexpected and seemingly irrational thought patterns, such as belief polarization.

I present and explore a normative theory of non-doxastic attitudes like desire, hatred, and admiration. The viewpoint is general and abstract: independent of any particular flavor or source of normativity, I explore general features any acceptable way of forming these attitudes would have, especially in contrast to doxastic attitudes like belief. The first three chapters present a relatively unified picture of non-doxastic attitude formation, grounded in types of non-doxastic attitudes we can have in contrast to their impossible doxastic analogues. (...) In particular, I defend a kind of externalism; I apply it to a specific attitude, desire, to show how the approach works; and then based on a different aspect of the view, I present what I take to be some of the best ways to motivate the view, and some of the best ways to criticize it, as well. In the last chapter, I develop a theory about how these attitudes are best communicated, this time meant to capture how belief is best communicated, too, though it is inspired by certain features of non-doxastic attitudes. (shrink)

Mindreading often requires access to beliefs, so the mindreading system should be able to self-attribute beliefs, even without self-interpretation. This proposal is consistent with Carruthers' claim that mindreading and metacognition depend on the same cognitive system and the same information as one another; and it may be more consistent with this claim than is Carruthers' account of metacognition.

The manner in which individuals hold various nonevidentiary beliefs is critical to making any evaluative claim regarding an individual's autonomy. In this essay, I argue that one may be both justified in holding nonrational beliefs of a nonevidentiary sort while also being capable of leading an autonomous life. I defend the idea that moral instruction, including that which concerns explicitly religious content, may justifiably constitute a set of commitments upon which rationality and autonomy are dependent. I situate this discussion against (...) the backdrop of a minimalist notion of autonomy. I then consider the case for nonrational beliefs, examining the difference between those whose content is objectionable on evidentiary grounds and those that are immune to verification. Next, I consider the indoctrination/moral instruction distinction through examining the various ways in which indoctrination is defined. I also consider the role that value coherence plays in shaping our identities, paying particular attention to fundamental commitments as defined by our respective families, cultures, and communities. Finally, I argue that individual psychology is central to our ability to assess the outcome of an upbringing purported to be indoctrinatory, and I emphasize the important role that experience and agency play in enabling us to evaluate our beliefs. (shrink)

We propose a dynamic hyperintensional logic of belief revision for non-omniscient agents, reducing the logical omniscience phenomena affecting standard doxastic/epistemic logic as well as AGM belief revision theory. Our agents don’t know all a priori truths; their belief states are not closed under classical logical consequence; and their belief update policies are such that logically or necessarily equivalent contents can lead to different revisions. We model both plain and conditional belief, then focus on dynamic (...) class='Hi'>belief revision. The key idea we exploit to achieve non-omniscience focuses on topic- or subject matter-sensitivity: a feature of belief states which is gaining growing attention in the recent literature. (shrink)

The paper first proposes a new definition of religion which features a novel four-layered element and which does not involve any circularity ; thereby, it allows to clearly distinguish the phenomenon of religion from certain other worldviews, in particular from certain political ideologies. Relying on the findings, the paper develops two structural conceptual models which serve to describe religious and non-religious belief systems. Further, the definition and the conceptual models allow to establish a clear criterion to distinguish pivotal structural (...) differences between religious and non-religious belief systems. The criterion is based on the concept of two kinds of rationality: first-level and second-level rationalities. These will demonstrate to what degree religion can be a rational enterprise, and what role logic can play in it. The result is a clear-cut line in the structures of religious and certain consistent non-religious belief systems. (shrink)

In Delusions and Other Irrational Beliefs , Lisa Bortolotti argues that the irrationality of delusions is no barrier to their being classified as beliefs. This comment asks how Bortolotti’s position may be affected if we accept that there are two distinct types of belief, belonging to different levels of mentality and subject to different ascriptive constraints. It addresses some worries Bortolotti has expressed about the proposed two-level framework and outlines some questions that arise for her if the framework is (...) adopted. It also suggests that, rather than being beliefs that fail to meet the relevant standards of rationality, delusions may be non-doxastic acceptances that were never meant to meet them. (shrink)

We present a method for relevance sensitive non-monotonic inference from belief sequences which incorporates insights pertaining to prioritized inference and relevance sensitive, inconsistency tolerant belief revision. Our model uses a finite, logically open sequence of propositional formulas as a representation for beliefs and defines a notion of inference from maxiconsistent subsets of formulas guided by two orderings: a temporal sequencing and an ordering based on relevance relations between the putative conclusion and formulas in the sequence. The relevance relations (...) are ternary (using context as a parameter) as opposed to standard binary axiomatizations. The inference operation thus defined easily handles iterated revision by maintaining a revision history, blocks the derivation of inconsistent answers from a possibly inconsistent sequence and maintains the distinction between explicit and implicit beliefs. In doing so, it provides a finitely presented formalism and a plausible model of reasoning for automated agents. (shrink)

This paper offers a sketch of welfarist pluralism, a view that is intended to resolve a difficulty for non-derivative pluralists about normative reasons for belief. Welfarist pluralism is the view that all reasons for belief are rooted in wellbeing, and that wellbeing has as one of its components being in a positive epistemic state. The paper explores how this view can explain various pluralist intuitions and why it offers a plausible basis for combinatorial pluralists who believe that alethic (...) and pragmatic reasons for belief combine to determine what one ought to believe. The paper also considers the relationship between theoretical rationality and wellbeing, and provides a partial argument for the derivative normativity of at least some requirements of theoretical rationality. (shrink)

This paper summarizes and systematizes recent and ongoing work on non-prioritized belief change, i.e., belief revision in which the new information has no special priority due to its novelty.

Interpersonalist theories of testimony have the theoretical virtue of giving room to the characteristic interpersonal features of testimonial exchange among persons. Nonetheless, it has been argued that they are at a serious disadvantage when it comes to accounting for the way in which testimonial beliefs may be epistemically justified. In this paper, we defend the epistemological credentials of interpersonalism, emphasizing that it is inseparable from the acceptance of non-evidential epistemic reasons to believe, which demands proper conceptual elaborations on the notions (...) of epistemic reasons and of epistemic justification. We offer a proper reading of epistemic reason, and we defend non-purism on justification as the adequate way to conceive the epistemic proposal of interpersonalism on testimony, realizing that only this combination is capable of apprehending certain cases in which there seems to be no way to rule out the idea that the assurance offered by the testifier offers an epistemic reason to believe that it is not evidential. (shrink)

The radical evolutionary step that divides human decision-making from that of nonhumans is the ability to excite the reward process for its own sake, in imagination. Combined with hyperbolic over-valuation of the present, this ability is a potential threat to both the individual's long term survival and the natural selection of high intelligence. Human belief is intrinsically or under-founded, which may or may not be adaptive.

The aim of this paper is to present and analyze arguments provided for the Psychological Principle of Non-Contradiction which states that one cannot have, or cannot be described as having, contradictory beliefs. By differentiating two possible interpretations of PNC, descriptive and normative, and examining arguments provided for each of them separately I point out the flaws in reasoning in these arguments and difficulties with aligning PNC with the empirical data provided by research done in cognitive and clinical psychology. I claim (...) that PNC cannot be derived from any metaphysical stance regarding the mental phenomena and that having contradictory beliefs should be regarded as possible. Furthermore, I argue that interpreting a subject as having contradictory beliefs, and therefore abandoning PNC, can be more effective in explaining the phenomena of contradictory beliefs and irrational behaviour than solutions consistent with the PNC. (shrink)