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- Ross Cameron, Turtles All the Way Down: Regress, Priority and Fundamentality in Metaphysics.This paper is a discussion of an intuition commonly held by metaphysicians: that there must be a fundamental layer of reality; that chains of ontological dependence must terminate; that there cannot be turtles all the way down. I discuss application of this intuition with reference to Bradley’s regress, composition, realism about the mental and the cosmological argument. I discuss some arguments for the intuition, but argue that they are unconvincing. I conclude by making some suggestions for how the intuition should be argued for, and discussing the ramifications of giving the justification I think best.
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One of the most influential arguments for the coherence theory of empirical justification is BonJours a priori argument from the internalist regress. According to this argument, foundationalism cannot solve the problem of the internalist regress since internalism is incompatible with basic beliefs. Hence, coherentism seems to be the only option. In my article I contend that this argument is doomed to failure. It is either too strong or too weak. Too strong, since even coherentism cannot stop the internalist regress in any legitimate way. In order to demonstrate this claim I will discuss various coherentist strategies. Too weak, since, were coherentism able to stop the regress, the argument against foundationalism would collapse.
The Language of Thought Hypothesis is often taken to have the fatal flaw that it generates an explanatory regress. The language of thought is invoked to explain certain features of natural language (e.g., that it is learned, understood, and is meaningful), but, according to the regress argument, the language of thought itself has these same features and hence no explanatory progress has been made. We argue that such arguments rely on the tacit assumption that the entire motivation for the language of thought consists in explaining the explanandum that allegedly generates the regress. But this tacit assumption is simply false. The Language of Thought Hypothesis is a cogent view and one with considerable explanatory advantages.
Cosmological arguments attempt to prove the existence of God by appeal to the necessity of a first cause. Schematically, a cosmological argument will thus appear as: (1) All contingent beings have a cause of existence. (2) There can be no infinite causal chains. (3) Therefore, there must be some non-contingent First Cause. Cosmological arguments come in two species, depending on their justification of the second premiss. Non-temporal cosmological arguments, such as those of Aristotle and Aquinas, view causation as requiring explanatory or conceptual priority, and thus insist that there can be no infinite regresses in such priority. Temporal cosmological arguments, also called kalam cosmological arguments due to their historical roots in Islamic kalam philosophers such as Abu Yusuf Ya'qub b. Ishaq al-Kindi and Abu Ali al-Hussain ibn Sina, view causation as requiring temporal priority, and thus insist that there can be no infinite temporal regresses.1 The kalam cosmological argument thus requires some supporting argument showing the incoherence of an infinite temporal regress of causally related events. William Lane Craig, in "The Finitude of the Past and the Existence of God"2, attempts to provide such an argument: (4) An actual infinite cannot exist. (5) An infinite temporal regress of events is an actual infinite. (6) Therefore an infinite temporal regress of events cannot exist. (9) I will not be concerned here with the general status of cosmological arguments, kalam or otherwise, or with contesting Craig's assumption that an infinite past would (unlike an infinite future) constitute a problematic actual infinity. I am rather concerned with Craig's general working principle, embodied in (4) above, that actual infinities are impossible. Craig, of course, is not alone in denying the possibility of the actually infinite. Resistance to such infinities is at least as old as Aristotle (Physics 3.5.204b1 – 206a8), and, as Craig rightly points out, persists through much of modern (i.e., post-scholastic, pre-twentieth-century) philosophy..
Intellectualism is the view that knowledge-how is a kind of knowledge-that. The most famous objection to this view is Gilbert Ryle’s objection that it must be false on pain of avoiding an infinite and vicious regress. However, despite its fame, the status of this objection is highly contested. The aim of this paper is to clarify and advance the often rather confusing debates about whether there is a successful regress argument against intellectualism. Towards this end, I identify what I take to be the most basic and plausible form of a regress argument against intellectualism—the employment regress. I argue that the employment regress fails and then use this conclusion to help clarify and criticise other regress arguments in the literature.
This paper critically evaluates the regress argument for infinitism. The dialectic is essentially this. Peter Klein argues that only an infinitist can, without being dogmatic, enhance the credibility of a questioned non-evident proposition. In response, I demonstrate that a foundationalist can do this equally well. Furthermore, I explain how foundationalism can provide for infinite chains of justification. I conclude that the regress argument for infinitism should not convince us.
The Regress Argument is supposed to show that the language of thought hypothesis results in an infinite regress in its explanation of such things as learning, meaning, and understanding. Earlier (in Laurence & Margolis 1997) we argued that the Regress Argument doesn’t work and that even the language of thought’s supporters have given the Regress Argument far too much credit. In this paper, we respond to a critique of our earlier discussion.
In this paper, I will give a presentation of Bradley's two main arguments against the reality of relations. Whereas one of his arguments is highly specific to Bradley's metaphysical background, his famous regress argument seems to pose a serious threat not only for ontological pluralism, but especially for states of affairs as an ontological category. Amongst the proponents of states-of-affairs ontologies two groups can be distinguished: One group holds states of affairs to be complexes consisting of their particular and universal constituents alone, the other holds that there has to be a "unifying relation" of some sort to establish the unity of a given state of affairs. Bradley's regress is often conceived to be a compelling argument against the first and for the latter. I will argue that the latter approaches have no real advantage over the simpler theories—neither in the light of Bradley's regress nor in other respects.
A version of Bradley's regress can be endorsed in an effort to address the problem of the unity of states of affairs or facts, thereby arriving at a doctrine that I have called fact infinitism . A consequence of it is the denial of the thesis, WF, that all chains of ontological dependence are well-founded or grounded. Cameron has recently rejected fact infinitism by arguing that WF, albeit not necessarily true, is however contingently true. Here fact infinitism is supported by showing that Cameron's argument for the contingent truth of WF is unsuccessful.
I address an intuition commonly endorsed by metaphysicians, that there must be a fundamental layer of reality, i.e., that chains of ontological dependence must terminate: there cannot be turtles all the way down. I discuss applications of this intuition with reference to Bradley’s regress, composition, realism about the mental and the cosmological argument. I discuss some arguments for the intui- tion, but argue that they are unconvincing. I conclude by making some suggestions for how the intuition should be argued for, and discussing the ramifications of giving the justification I think best.
Proponents of the argument from regress maintain that the existence of Instrumental Value is sufficient to establish the existence of Intrinsic Value. It is argued that the chain of instrumentally valuable things has to end somewhere. Namely with intrinsic value. In this paper, I shall argue something a little more modest than this. I do not want to argue that the regress argument proves that there is intrinsic value but rather that it proves that the idea of intrinsic value is a necessary part of our thinking about moral value.
Discussion of Ross Cameron, Turtles all the way down: Regress, priority and fundamentality in metaphysics
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