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LINGUISTIX&LOGIK, Tony Marmo's blog
Monday, 14 November 2005

Topic: Cognition & Epistemology

Chimpanzee Theory of Mind: Looking in All the Wrong Places?


By Kristin Andrews

I respond to an argument presented by Daniel Povinelli and Jennifer Vonk that the current generation of experiments on chimpanzee theory of mind cannot decide whether chimpanzees have the ability to reason about mental states. I argue that Povinelli and Vonk's proposed experiment is subject to their own criticisms and that there should be a more radical shift away from experiments that ask subjects to predict behaviour. Further, I argue that Povinelli and Vonk's theoretical commitments should lead them to accept this new approach, and that experiments which offer subjects the opportunity to look for explanations for anomalous behaviour should be explored.

Appeared in Mind & Language, Volume 20, Issue 5, Page 521 - November 2005

Posted by Tony Marmo at 00:01 GMT
Updated: Saturday, 12 November 2005 00:14 GMT

Topic: GENERAL LOGIC

From Paradox to Judgment: towards a metaphysics of expression


By Mariam Thalos

The Liar sentence is a singularly important piece of philosophical evidence. It is an instrument for investigating the metaphysics of expressing truths and falsehoods. And an instrument too for investigating the varieties of conflict that can give rise to paradox. It shall serve as perhaps the most important clue to the shape of human judgment, as well as to the nature of the dependence of judgment upon language use.

Source:
The Australasian Journal of Logic


Posted by Tony Marmo at 00:01 GMT
Updated: Friday, 11 November 2005 06:33 GMT
Tuesday, 8 November 2005

Topic: HUMAN SEMANTICS

Are Intensions Necessary? Sense as the Construction of Reference


By Almerindo Ojeda

It seems that PEST can overcome the difficulties that have hitherto plagued the extensional theory of meaning. As we have seen in the course of this paper, PEST can account for the variable informativeness of identity statements, the failure of substitution in opaque contexts, the compositional interpretation of modal verbs and adverbs, the non-trivial nature of counterfactuals, and the non-synonymy of vacuous predicates.

In fact, there are instances in which the accounts of these facts provided by PEST are actually better than the ones provided by possible-worlds semantics. For one thing, PEST accounts are by and large simpler, less abstract, and more intuitive than those issuing from the intensional account.


Source: Semantics Archive

Posted by Tony Marmo at 08:08 GMT
Updated: Tuesday, 8 November 2005 08:09 GMT

Topic: GENERAL LOGIC

Modal Logics in the Vicinity of S1


By Brian F. Chellas & Krister Segerberg

We define pre-normal modal logics and show that S1, S10, S0.9, and S0.90 are Lewis versions of certain pre-normal logics, determination and decidability for which are immediate. At the end we characterize Cresswell logics and ponder C. I. Lewis's idea of strict implication in S1.

Source: Notre Dame J. Formal Logic 37, no. 1 (1996), 1–24


Posted by Tony Marmo at 00:20 GMT

Topic: GENERAL LOGIC

Linear Kripke Frames and Gödel Logics


By Arnold Beckmann & Norbert Preining

We investigate the relation between logics of countable linear Kripke frames with constant domains and Gödel logics. We show that for any such Kripke frame there is a Gödel logic which coincides with the logic of his Kripke frame and vice versa. This allows us to transfer several recent results on Gödel logics to the logics of countable linear Kripke frames with constant domains.

Posted by Tony Marmo at 00:01 GMT
Updated: Tuesday, 8 November 2005 08:13 GMT

Topic: Interconnections

WHAT AWARENESS ISN'T:

A SENTENTIAL VIEW OF IMPLICIT AND EXPLICIT BELIEF


By Kurt Konolige

In their attempt to model and reason about the beliefs of agents, artificial intelligence (AI) researchers have borrowed from two different philosophical traditions regarding the folk psychology of belief. In one tradition, belief is a relation between an agent and a proposition, that is, a propositional attitude. Formal analyses of propositional attitudes are often given in terms of a possible-worlds semantics. In the other tradition, belief is a relation between an agent and a sentence that expresses a proposition (the sentential approach). The arguments for and against these approaches are complicated, confusing, and often obscure and unintelligible (at least to this author). Nevertheless strong supporters exist for both sides, not only in the philosophical arena (where one would expect it), but also in AI.
In the latter field, some proponents of posslble-worlds analysis have attempted to remedy what appears to be its biggest drawback, namely the assumption that an agent believes all the logical consequences of his or her beliefs. Drawing on initial
work by Levesque, Fagin and Halpern define a logic of General awareness that superimposes elements of the sentential approach on a possible-worlds framework. The result, they claim, is an appropriate model for resource-limited believers.
We argue that this is a bad idea: it ends up being equivalent to a more complicated version of the sentential approach. In concluding we cannot refrain from adding to the debate about the utility of possible-worlds analyses of belief.


Source: THEORETICAL ASPECTS OF RATIONALITY AND KNOWLEDGE

Posted by Tony Marmo at 00:01 GMT
Updated: Tuesday, 8 November 2005 08:11 GMT

Topic: HUMAN SEMANTICS

The Gap Between Meaning and Assertion


By Scott Soames

A conception of meaning as least common denominator is presented according to which the semantic content of S is that which is common to what is asserted by utterances of S in all normal contexts. Although the content of S is often a complete proposition, and, hence, a proper candidate for being asserted and believed, in some cases it is only a skeleton, or partial specification, of such a proposition. In many contexts, the semantic content of S -- whether it is a complete proposition or not -- interacts with an expanded conception of pragmatics to generate a pragmatically enriched proposition that it is the speaker's primary intention to assert. Other propositions count as asserted only when they are relevant, unmistakable, necessary and apriori consequences of the speaker's primary assertions, together with salient presuppositions of the conversational background.

Source:Online Papers in Philosophy

Posted by Tony Marmo at 00:01 GMT
Updated: Tuesday, 8 November 2005 08:15 GMT

Topic: Interconnections

Belief Liberation (and Retraction)



By Richard Booth, Samir Chopra, Aditya Ghose and Thomas Meyer

We provide a formal study of belief retraction operators that do not necessarily satisfy the (Inclusion) postulate. Our intuition is that a rational description of belief change must do justice to cases in which dropping a belief can lead to the inclusion, or 'liberation', of others in an agent's corpus. We provide a few possible weakenings of the (Inclusion) postulate and then provide two models of liberation via retraction operators, σ-liberation and linear liberation. We show that the class of σ-liberation operators is included in the class of linear ones and provide axiomatic characterisations for each class. We also show how any given retraction operator (including the liberation operators) can be 'converted' into either a withdrawal operator (i.e., satisfying (Inclusion)) or a revision operator via (a slight variant of) the Harper Identity and the Levi Identity respectively.

Source: TARK

Posted by Tony Marmo at 00:01 GMT
Updated: Tuesday, 8 November 2005 07:56 GMT
Thursday, 20 October 2005

Topic: Interconnections

Logical Form: Classical Conception and Recent Challenges


By Brendan Jackson

The term ‘logical form’ has been called on to serve a wide range of purposes in philosophy, and it would be too ambitious to try to survey all of them in a single essay. Instead, I will focus on just one conception of logical form that has occupied a central place in the philosophy of language, and in particular in the philosophical study of linguistic meaning. This is what I will call the classical conception of logical form. The classical conception, as I will present it in section 1, has (either explicitly or implicitly) shaped a great deal of important philosophical work in semantic theory. But it has come under fire in recent decades, and in sections 2 and 3 I will discuss two of the recent challenges that I take to be most interesting and significant.

Source: Online Papers in Philosophy

Posted by Tony Marmo at 06:23 BST
Updated: Thursday, 20 October 2005 06:27 BST
Tuesday, 18 October 2005

Topic: HUMAN SEMANTICS

Formal Linking in Internally Headed Relatives


By Min-Joo Kim

The present paper investigates how morphosyntax, semantics, and pragmatics work together to produce the so-called Internally Headed Relative Clause (IHRC) construction in Korean and Japanese. The IHRC construction exhibits a mismatch between the syntax and semantics and a delimited discourse-sensitivity in its interpretation. In recent literature, E-type pronoun analyses have been proposed to capture these properties of the construction (e.g., Hoshi 1995, Shimoyama 1999).
The existing E-type pronoun analyses have been successful in accounting for the syntax and semantics mismatch and the discourse-sensitivity of the construction, but they fail to explain why the discourse-sensitivity is delimited, that is, why the E-type pronoun needs to be formally linked to its semantic antecedent. This paper resolves this problem by proposing an interpretive tool which establishes a formal link between the E-type pronoun and the event structure of the embedded clause. In so doing, it shows that what is alleged to be a purely pragmatic phenomenon is in fact regulated by principles of grammar.


Keywords: IHRC, E-type pronoun, binding, eventuality

Source: Semantics Archive



Posted by Tony Marmo at 14:28 BST
Monday, 17 October 2005

Topic: Interconnections

On Sense and Direct Reference


By Ben Caplan

Sense Millianism and Object Fregeanism both appeal to modes of presentation to solve one group of problems about one group of cases (namely, those that concern intuitions about the cognitive value of simple sentences, about the truth-value of some propositional-attitude ascriptions, or about sentences that contain empty names); and both appeal to objects or singular propositions to solve another group of problems about another group of cases (namely, those that concern intuitions about the truth-value of simple sentences, about the modal and epistemic profile of simple sentences, or about the truth-value of other propositional-attitude ascriptions). One further problem for both views is to explain, in a principled way, why modes of presentation matter in the first group of cases but not in the second; and, conversely, why objects or singular propositions matter in the second group of cases but not in the first. This further problem is, it seems, pressing and difficult for both views.

Source:
Online Papers in Philosophy

Posted by Tony Marmo at 07:58 BST
Updated: Monday, 17 October 2005 08:09 BST
Tuesday, 11 October 2005

Topic: GENERAL LOGIC

Diagonalization and Self-Reference


By Richard Heck

It is often said that diagonalization allows one to construct sentences that are self-referential. This paper investigates the sense in which that is true. I argue first that, in the standard language of arithmetic, in which we have only the symbols 0, S, +, and ?, truly self-referential sentences cannot be constructed. This is shown by considering sentences like The right-hand side of this biconditional is false iff its left-hand side is true. This sentence is intuitively inconsistent, but the sentence constructed by using diagonalization in the usual way is true and, in fact, provable in Q. This problem can be resolved by expanding the language to include function-symbols for all primitive recursive functions. It can also be resolved by proving a stronger form of the diagonal lemma that I call the structural diagonal lemma. At the end of the paper, it is suggested, however, that there are some contexts in which even these methods are insufficient.

Source: PH Online, Online Papers in Philosophy

Posted by Tony Marmo at 18:41 BST
Saturday, 8 October 2005

Topic: Interconnections

Semantic Conceptions of Information



A new article of the The Stanford Encyclopaedia of Philosophy has just been published:
Semantic Conceptions of Information
By Luciano Floridi

Posted by Tony Marmo at 19:34 BST
Updated: Saturday, 8 October 2005 19:37 BST
Sunday, 2 October 2005

Topic: PRAGMATICS

Integrated pragmatic values


By Christopher Potts

I adapt recent results by Merin, Blutner, Jaeger, Krifka, van Rooy, and others to obtain integrated pragmatic values for utterances, thereby moving towards a precise definition of pragmatic felicity. I model speakers' perspectives with probability distributions over the set of possible worlds. The *quality-rating* of an utterance is an exponent of the speaker's probability value for its propositional content. An utterance's *quantity-rating* is the informativity of its content relative to the addressee's probabilities. I ensure that quality-ratings act as a check on quantity-ratings by taking the product of the two. I employ the notion of *relevance to a question* to further articulate these pragmatic values and arrive at a notion of *maximally felicitous utterance* (in context).

Keywords: pragmatics, probability, decision-theory, discourse particles, quality, quantity, relevance, litotes, pragmatic halos


Source: Semantics Archive

Posted by Tony Marmo at 10:17 BST
Friday, 30 September 2005

Topic: HUMAN SEMANTICS

Types of degrees and types of event structures


By Patrick Caudal & David Nicolas

In this paper, we investigate how certain types of predicates should be connected with certain types of degree scales, and how this can affect the events they describe.
The distribution and interpretation of various degree adverbials will serve us as a guideline in this perspective. They suggest that two main types of degree scales should be distinguished:
(i) quantity scales, which are characterized by the semantic equivalence of Yannig ate the cake partially and Yannig ate part of the cake; quantity scales only appear with verbs possessing an incremental theme (cf. Dowty 1991);

(ii) intensity scales, which are characterized by degree modifiers (e.g., "extremely", "perfectly") receiving an intensive interpretation; intensity scales typically occur with verbs morphologically related to an adjective (to dry).

More generally, we capitalize on a typology of degree structures to explain how degrees play a central role with respect to event structure.


In C. Maienborn and A. W?llstein, Ed. Proceedings Event arguments: foundations and applications.


Source: Jean Nicod

Posted by Tony Marmo at 17:17 BST

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