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Entries in logic (7)

10:31AM

Truth, Belief and Moral Reasons

The point of making moral claims is to tell others and ourselves what we should or should not attempt to do. To accomplish this we produce statements about the shoulds and should nots which amount to reasons, i.e., providing our interlocutors (or ourselves) with information whose possession amounts to a source of motivation (a desire and a decision, when that becomes possible) to act. There are many sorts of reasons for acting, of course, including belief in the efficacy of the act for bringing about something we want (or which we believe we should want) or belief in the desirability (for whatever reason) of the act or object of the act, itself. Reasons stand at the heart of moral claims. And they imply a demand for justification because no reason stands alone. It's always part of a string of justifications: do this because of that, because of something else, etc. But reasons come to an end. If they did not, we would always be arguing (with others or ourselves) and never acting. At some point we must agree that something is reason enough or else the process is never ending and cannot result in action.

Sometimes we just stop the process of justifying arbitrarily. We grow tired, either explicitly or implicitly, and finally act, or desist from acting, without demand for further reasons. And many actions we take are done with no prior consideration of explicit reasons at all. We just act -- and perhaps compile and report our reasons after the fact. Actions are not dependent on reasoning to be actions although deliberating about what we should do and then doing it (or not) represents a large class of our actions as human beings. Those actions which we deliberate about, seeking for, and adducing and evaluating reasons, before acting, are the ones that are generally relevant to moral considerations. Actions performed instinctively, reflexively or mechanically (perhaps by habit or conditioning) fall outside the realm of moral consideration (except to the extent that we can address and alter our habits, conditioning and so forth). Morally relevant actions are those which we have the capacity to think about and weigh our alternatives before and during the acts themselves.

But to think about our actions in this way implies something else, namely that there is a potential for our beliefs about them to be correct or incorrect, true or false, thus worthy of our attention and action or not. . . .

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1:40PM

Logic and Value

Some preliminary thoughts on the nature of valuation as a human activity and how that fits with the rules of logic which we find embedded within the practice of language:

Language and Thought

Language consists of various things we do with sounds and symbols. A main part of language involves the use of naming and descriptive terms (words and phrases) to stand for the things we can discern (by observation and/or thought), as well as those operators (in words or phrases) by which we can combine the naming and descriptive terms in informative ways.

Language also includes various signaling practices (exclamations, gestures, expressions employed for evocative or invocative purposes) but these are not "about" terms (referential) and so can be set aside for the moment.

The purpose of any language is to inform, that is to convey information in order to communicate with other speakers.

The methods of combination applied to naming and descriptive terms, as represented by the non-naming and descriptive operators, constitute the logic (the basic and distinct rules) of any language.

But the rules of logic are themselves used, in any given language, according to other rules of practice, which are distinctive to each particular language, and to relevant contexts, in order to generate informative statements in any given language. That is, grammatical differences mask logical similarities from language to language and even within the same language.

Unlike the rules of linguistic practice (grammar), which are, to a large extent, contingent because they are governed by historical experiences of the speaker, by habits formed and preserved, and by physical possibility, the rules of logic, although manifested through the rules of practice (grammar) in many different ways, have a universal character, i.e., they are common to all languages so that the same thoughts can generally be expressed in them in various languages.

The study of any language consists of discovering how the practical rules of that language make use of, and manifest, the logical possibilities (the range of possible combinations of naming and descriptive terms) in the given language.

The study of logic, on the other hand . . .

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9:10AM

Brandom on Analytic Philosophy and Wittgenstein

Updated on July 24, 2014 by Registered CommenterStuart W. Mirsky

Have just sort of finished reading Robert Brandom's Between Saying and Doing and I have to admit he's got my head spinning. I had to skip a lot so I guess at some point I'll have to go back to it. The earlier book of his that I read (Reason in Philosophy: Animating Ideas which I commented on here in my essays "The Logic of Action" and "Brandom's Ethical Strategy") was dense and abstruse and so challenging but I found it intriguing for the notions he put forward and explored about how meaning is pragmatically grounded and can be explained as navigating a network of inferences ("inferentialism") in which any statement can be seen to have meaning insofar as it can be taken as a conclusion from other statements and can, itself, imply conclusions when it is conjoined with other premises and which involves distinctions of compatibility and incompatibility the recognition of which permits reasoning to conclusions to proceed. (Conclusions, themselves, are exemplified by, and recognized through, the actions one is disposed to take based on the statements one is considering.) On this view, meaning for Brandom becomes the practice of discursively connecting statements in an inferentialist web such that the meaning of any term or statement arises from the extent of the web in which it is embedded and the capacities we have (both inherited and learned) to make our way through and around it.

Of course this interests me because I was kind of getting at the same thing with two of my own essays on this site: "Can Machines Get It?" and "A Horse of a Different Color" in which I proposed that getting the meanings of terms and symbols amounts to making an array of associative connections between different mental pictures we have gathered over our lives and that sharing understanding between two or more speakers is then a matter of achieving a certain critical mass of commonality in the groups of "pictures" held by each speaker, without any requirement for a one-to-one correspondence between actual, particular mental pictures. Thus meaning becomes a matter of the occurrence of general templates (or prototype patterns of association) on a kind of macro scale of memories (remembered experiences). This works in much the same way as Brandom's proposed inferential webs which language speakers must navigate in order to find meanings in sounds though my emphasis was on the psychological phenomena of mental pictures rather than on the practical capacities behind and arising from making the "right" linguistic connections. Yet, the result would, in large part, look the same.

So I was naturally looking for more of the same with his book, Between Saying and Doing. And, of course, I wanted to get a better handle on the guy's ideas. But I suspect I chose the wrong book to continue with this time! Nevertheless, there's stuff in it worth commenting on, to the extent that my meager grasp of his theses enables that.

In a nutshell he presents this book as a way of making his case that analytic philosophy is flawed but not fatally so. . . .

For Brandom, Wittgenstein finds a place in a pragmatic tradition tracing back to the American pragmatists and from them back to Hegel and Kant. In some ways this is a very ambitious claim but Brandom, despite the remarkable opacity of his approach, makes a good case for this view.

In this post I won't go into great detail (because I probably can't) but I want to at least reflect on some of Brandom's thoughts on the Wittgensteinian solution which he in part embraces and in part rejects. . . .

Here is Brandom on Wittgenstein vis a vis the analytical project in the last section of his book, Between Saying and Doing (beginning on page 210):

One constant in Wittgenstein's thought, early and late, is his denial of methodologically monistic scientism. "Philosophy is not one of the natural sciences," he says in the Tractatus [Proposition 4.111], and this view seems to be part of what lies behind the theoretical quietism of the later work. In fact, I think Wittgenstein thinks that if systematic philosophical theorizing were possible, it would mean that philosophy is an empirical science. Since it is not, philosophers must eschew theorizing, restricting themselves instead to light, local descriptions of discursive practices, where such descriptions might provide helpful reminders in freeing ourselves from the sorts of misunderstandings and puzzlements that arise precisely from the theories implicit in inherited pictures of what is going on when we think and talk. Whether or not Wittgenstein himself reasoned this way, I take it that it is common for his admirers to see him as presenting us with a forced choice: either embrace scientism about philosophy of the methodologically monistic sort -- that is, take philosophy to be an emprical, scientific discipline -- or give up the idea of systematic philosophical theorizing once and for all.

I think this is a false choice. . . .

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9:43AM

The Logic of Action

I've been reading Robert Brandom recently after stumbling across a lengthy talk he gave in the UK which is available on-line. He's pretty ponderous and seems to prefer lengthy elaboration and abstruse words where simpler ones, on the face of it at least, might do. That said, his ideas caught my attention. He was presenting a paper at Cambridge, the home of Analytical Philosophy, which dealt, in part, with the links between the American pragmatists and that philosophical school. In the course of that, he linked the pragmatists backwards to Hegel and Kant and forward to Heidegger and Wittgenstein. In sum, he argues that there is a tradition in philosophy, which the American pragmatists, C. S Peirce in particular, exemplified in an especially clear way, that sees the kinds of knowledge we count as "knowing that" as a subspecies, in fact a function of, "knowing how." This, he argues, is the key element in pragmatism of whatever form and can be seen in Wittgenstein's own emphasis on the rule-based nature of language and the things we can say within it as well as in the emphasis, shared with Heidegger, on language use as a form of being in the world itself.

In the book I'm currently reading, Reason in Philosophy: Animating Ideas, Brandom focuses on Kant's shift from the descriptive to the normative paradigm in discussing epistemological matters. What we can know, on this view, is a function of what we can say, what we are equipped to say, and, for Kant, this depends on the ways our thinking works. Brandom proposes that Hegel's improvement over Kant's picture was to introduce the idea of intersubjectivity, of knowing as doing within the context of a community, the interplay of separate subjects in joint enterprises which have a history and so involve participation not only with one's contemporary fellow subjects but with those who came before us and will come after .

I am not competent to assess his views on Hegel's contributions (I always found Hegel opaque, to say the least) or even to assess his take on Kant. But I am fascinated by his argument that the ordinary discursive ways we have of speaking about things, the descriptive language we use to delineate and affirm or deny facts in the world, which expresses our intentionality (knowing about things), can be traced to knowing how to speak and operate in the world. Here he seems to be saying that, behind the logic we ordinarily recognize re: making assertions (with their true and false relations), there is also a logic, a much deeper logic, of behavior itself, i.e., one of authority (as in granting rights, to claims and claimants, to demand or expect certain outcomes) and of obligation (accepting the responsibility to act in the ways expected). This is the logic of recognizing implications by acting on them. It's a logic of reciprocal relations.

For Brandom having a language is the key to having concepts and having concepts is what differentiates us from other sentient creatures. That is, we are not merely sentient, as he puts it, but sapient. We have the ability to think about things, to be intentional in ways that other creatures do not. But concepts, he argues, are not stand alone ideas . . . .

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3:55PM

Toward a Comprehensive Account of Value Discourse

Still working my way through Hall, on the 12th chapter now and have reached a point, I think, where I have enough of a sense of where he is headed with his analysis to make some comments:

Hall builds his account of valuing, and moral valuing specifically, on the notion that valuing just is emotion and that it occurs in parallel (though intermixed with) occurrences of perception (perceiving). He proposes that there are parallel linguistic forms within what he calls our conventional language (ordinary language governed by a convention-based grammar) which reflect or express the underlying elements (emotion and perception), with each having its own distinct logic, also occurring in rough parallel. Thus he argues that the polarities of truth and falsity represent the dichotomies intrinsic to perceptive/descriptive language, as represented by the truth tables of logic, while a favorable/non-favorable/indifferent trichotomy characterizes emotional language. Both forms of language, he proposes, in keeping with their underlying (natural) basis, i.e., reflecting the two ways we relate to the world around us, have semantic content. That is, they refer to entities outside themselves. This referential trait, he holds, is an expression of the fundamentally intentional nature of both.

For Hall, then, the solution to the problem posed by Hume's is/ought dichotomy is to demonstrate that Hume missed the linguistic/semantic character of value claims and to show that oughts and is's are interconnected because of their parallel reliance on the intentionality of the language user. . . .

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9:46AM

Anscombe Comments on Identity

In the third essay of the book, Human Life, Action and Ethics, titled Human Essence, Anscombe takes up the question of the relation between grammar and essence in light of Wittgenstein's remark that grammar expresses essence. Beginning with an explanation and brief analysis of Frege on numerical functions and shifting to Wittgenstein's Remarks on the Foundations of Mathematics, she explores how we use words to express ideas and the nature/status of concepts as a lead-in to her attempt to answer the question implied by the title of this essay (what is meant by "human essence"?). Along the way she has occasion to speak of the concept of identity, which I thought interesting because of the pivotal role that concept has played in our many arguments about ways to explain consciousness on this and earlier lists.

It's often argued by some here that one has to grant that either the mental is identical to the brain processes we discover in conscious, thinking entities' brains via instruments like the fMRI or it is not and, if it is not, then it is something else and therefore irreducibly different and distinct from the brain and its goings on. . . .

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11:30AM

"Language Game" as a Philosophical Term

Wittgenstein's "language game" concept was on many levels designed to "push back" against the overwhelming impression a dictionary makes on our concept of "meaning". We get to mentally roll back to that earlier time in childhood development when we lived surrounded by meaning but without the benefit of a dictionary.

Apparently we learn to appreciate meaning well before we become cognizant that words have definitions. The "language game" concept is calculated to rekindle that understanding.

But is the concept of "language game" itself well-defined? Here is where you need to be a great writer like Wittgenstein to deliberately allow the notion of "fuzzy borders" into one's philosophy.

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