Combining Philosophers

Ideas for Bert Leuridan, Dag Prawitz and Harr,R./Madden,E.H.

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18 ideas

26. Natural Theory / A. Speculations on Nature / 3. Natural Function
Rather than dispositions, functions may be the element that brought a thing into existence [Leuridan]
     Full Idea: The dispositional theory of biological functions is not unquestioned. The main alternative is the etiological theory: a component's effect is a function of that component if it has played an essential role in the causal history of its existence.
     From: Bert Leuridan (Can Mechanisms Replace Laws of Nature? [2010], §3)
     A reaction: [He cites S.D. Mitchell 2003] Presumably this account is meant to fit into a theory of evolution in biology. The obvious problem is where something comes into existence for one reason, and then acquires a new function (such as piano-playing).
26. Natural Theory / B. Natural Kinds / 6. Necessity of Kinds
We can base the idea of a natural kind on the mechanisms that produce natural necessity [Harré/Madden]
     Full Idea: Natural necessity involves the concept of generative mechanisms and powerful particulars, and these in turn can be the basis of a useful notion of a natural kind.
     From: Harré,R./Madden,E.H. (Causal Powers [1975], 7.V)
     A reaction: Not sure about that. Say gold and silver are two kinds that lead to two outcomes. Each is a natural necessity. How do you distinguish them? Only by one being the gold-necessity and the other the silver-necessity. Circular?
26. Natural Theory / B. Natural Kinds / 7. Critique of Kinds
Species do not have enough constancy to be natural kinds [Harré/Madden]
     Full Idea: We know from biology that naturally occurring species do not exhibit the constancy required by the concept of natural kind.
     From: Harré,R./Madden,E.H. (Causal Powers [1975], 8.IV)
     A reaction: This view has been challenged recently. How much constancy does a natural kind need? Even protons decay eventually, it seems. I think a natural kind just needs a fair degree of stability over a reasonable time-period. Tigers qualify.
26. Natural Theory / C. Causation / 2. Types of cause
If the concept of a cause includes its usual effects, we call it a 'power' [Harré/Madden]
     Full Idea: The concept of cause may come to include the concepts of its usual effects. Concepts of this character are used in science, and in common language, to ascribe powers.
     From: Harré,R./Madden,E.H. (Causal Powers [1975], 3.II)
     A reaction: See Theme 8|c|3 in Theme/Structure for more ideas about powers. It's hard to see how you could specify a cause at all if you weren't allowed to say what it does. I love powers, and want to make them the key idea in all of metaphysics.
26. Natural Theory / C. Causation / 5. Direction of causation
Humean accounts of causal direction by time fail, because cause and effect can occur together [Harré/Madden]
     Full Idea: The Humean effort to ground the intuition of causal directionality on temporal priority of cause alone fails, because in fact some causes and effects are simultaneous. The moving of the knife and separation of the orange occur together.
     From: Harré,R./Madden,E.H. (Causal Powers [1975], 6.IV)
     A reaction: Since I take causation to be largely concerned with movements of 'energy', this idea that cause and effect might be simultaneous sounds more like a matter of pragmatics and convention. Moving the knife and moving the orange are different.
26. Natural Theory / C. Causation / 6. Causation as primitive
Active causal power is just objects at work, not something existing in itself [Harré/Madden]
     Full Idea: The exercise of causal power is not a force or power that has some existence of its own but refers to forceful objects at work.
     From: Harré,R./Madden,E.H. (Causal Powers [1975], 3.II)
     A reaction: This seems to be a behaviourist account of causation, which should make us a bit suspicious. Powers differ from one another. Does all causation have something universally in common? 'Energy' is a stab at the missing ingredient.
26. Natural Theory / C. Causation / 8. Particular Causation / a. Observation of causation
Causation always involves particular productive things [Harré/Madden]
     Full Idea: Causation always involves a material particular which produces or generates something.
     From: Harré,R./Madden,E.H. (Causal Powers [1975], 1.I.A)
     A reaction: I agree with this. My bete noire is the idea that causation somehow results from laws or general truths. That gets the whole thing the wrong way round. This idea is based on the notion of 'powers'.
26. Natural Theory / C. Causation / 8. Particular Causation / c. Conditions of causation
Efficient causes combine stimulus to individuals, absence of contraints on activity [Harré/Madden]
     Full Idea: Efficient causes comprise both the presence of stimuli which activate a quiescent individual, and the absence or removal of constraints upon an individual already in a state of activity.
     From: Harré,R./Madden,E.H. (Causal Powers [1975], 1.II.B)
     A reaction: This is part of an account of causation in term of 'powers', with which I agree. Before you object, there is always going to be something about causation which is mind boggling weird, and probably leaves even God bewildered.
26. Natural Theory / C. Causation / 8. Particular Causation / d. Selecting the cause
The cause (or part of it) is what stimulates or releases the powerful particular thing involved [Harré/Madden]
     Full Idea: We can unambiguously differentiate the cause from the effect in that whatever stimulates or releases the action of the powerful particular involved in the causal production is the cause or part of the cause of that effect.
     From: Harré,R./Madden,E.H. (Causal Powers [1975], 6.IV)
     A reaction: I have doubts about distinguishing stimulus from release, and they sensibly don't say they have a test for 'the' cause, but I roughly agree with this idea. I take 'the' cause to also be tied in with explanation.
26. Natural Theory / D. Laws of Nature / 3. Laws and Generalities
Pragmatic laws allow prediction and explanation, to the extent that reality is stable [Leuridan]
     Full Idea: A generalization is a 'pragmatic law' if it allows of prediction, explanation and manipulation, even if it fails to satisfy the traditional criteria. To this end, it should describe a stable regularity, but not necessarily a universal and necessary one.
     From: Bert Leuridan (Can Mechanisms Replace Laws of Nature? [2010], §1)
     A reaction: I am tempted to say of this that all laws are pragmatic, given that it is rather hard to know whether reality is stable. The universal laws consist of saying that IF reality stays stable in certain ways, certain outcomes will ensue necessarily.
26. Natural Theory / D. Laws of Nature / 4. Regularities / a. Regularity theory
Strict regularities are rarely discovered in life sciences [Leuridan]
     Full Idea: Strict regularities are rarely if ever discovered in the life sciences.
     From: Bert Leuridan (Can Mechanisms Replace Laws of Nature? [2010], §2)
     A reaction: This is elementary once it is pointed out, but too much philosophy have science has aimed at the model provided by the equations of fundamental physics. Science is a broad church, to employ an entertaining metaphor.
26. Natural Theory / D. Laws of Nature / 5. Laws from Universals
Originally Humeans based lawlike statements on pure qualities, without particulars [Harré/Madden]
     Full Idea: The original Humean suggestion was that lawlike statements must contain only purely qualitative predicates - that is, predicates which do not require in a statement of their meaning a reference to any particular object or spatio-temporal location.
     From: Harré,R./Madden,E.H. (Causal Powers [1975], 2.II)
     A reaction: Harré and Madden are keen to promote particulars (with powers) as the foundation of scientific theory, and I agree with them. It strikes me as quite elementary that generalisations arise from particulars, so can't fundamentally explain them.
26. Natural Theory / D. Laws of Nature / 7. Strictness of Laws
Being lawlike seems to resist formal analysis, because there are always counter-examples [Harré/Madden]
     Full Idea: The whole idea of a formal analysis of the concept of lawlikeness has come to seem hopeless; every syntactical criterion proposed has a counter-example.
     From: Harré,R./Madden,E.H. (Causal Powers [1975], 2.II)
     A reaction: They seem unaware of Lewis's work in this area, which may be the most sophisticated attempt at a (Humean) attempt at formal analysis. Personally I see nothing in Lewis that would make them change their minds.
26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / b. Scientific necessity
Necessary effects will follow from some general theory specifying powers and structure of a world [Harré/Madden]
     Full Idea: Given some general theory specifying the fundamental causal powers and thereby laying down the general lineaments of a world, the necessity of certain effects can be inferred. They will be 'hypothetically necessary' (given those powers).
     From: Harré,R./Madden,E.H. (Causal Powers [1975], 1.III.B)
     A reaction: This is a pretty good statement of the core idea of necessity at the heart of scientific essentialism. Are we to call this 'natural' necessity or 'metaphysical' necessity? Presumably it is 'relative' necessity. Big implications for induction!
Humeans say there is no necessity in causation, because denying an effect is never self-contradictory [Harré/Madden]
     Full Idea: Humeans say there can be no element of necessity in the causal relation because the conjunction of a description of a cause with the negation of a description of its usual effect is never self-contradictory.
     From: Harré,R./Madden,E.H. (Causal Powers [1975], 3.I)
     A reaction: We might say there actually is a contradiction, because you assert the existence of something, and then deny that existence by denying that the effect could occur. If the object is inert this is wrong, but if it is defined by its powers it is right.
26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / c. Essence and laws
In lawful universal statements (unlike accidental ones) we see why the regularity holds [Harré/Madden]
     Full Idea: The only sure way of distinguishing lawful and accidental universal statements is to point out that in the former cases we see why the regularity must hold, while in the latter case we do not.
     From: Harré,R./Madden,E.H. (Causal Powers [1975], 2.II)
     A reaction: I agree with this, and also take it to be the solution to the problem of induction. That smoking causes cancer will be a true generalisation but not a law, until we see clearly why it happens.
26. Natural Theory / D. Laws of Nature / 11. Against Laws of Nature
We could call any generalisation a law, if it had reasonable support and no counter-evidence [Harré/Madden]
     Full Idea: There is a case for calling a generalisation a law when its only confirmation is the multiplication of instances, if they don't conflict with other criteria. In fact any supported generalisation could count as a law if there is no counter-evidence.
     From: Harré,R./Madden,E.H. (Causal Powers [1975], 2.II)
     A reaction: This is the beginning of the modern doubts about laws of nature, fully articulated in Mumford 2004. It seems to me inescapable that laws drop out if our ontology is based on powerful particulars. They are just patterns of outcome.
A 'law of nature' is just a regularity, not some entity that causes the regularity [Leuridan]
     Full Idea: By 'law of nature' or 'natural law' I mean a generalization describing a regularity, not some metaphysical entity that produces or is responsible for that regularity.
     From: Bert Leuridan (Can Mechanisms Replace Laws of Nature? [2010], §1 n1)
     A reaction: I take the second version to be a relic of a religious world view, and having no place in a naturalistic metaphysic. The regularity view is then the only player in the field, and the question is, can we do more? Can't we explain regularities?