1 Farewell to Direct Source Incompatibilism* Joseph Keim Campbell Washington State University Traditional theorists about free will and moral responsibility endorse the principle of alternative possibilities (PAP): an agent is morally responsible for an action that she performs only if she can do or could have done otherwise. According to source theorists, PAP is false and an agent is morally responsible for her action only if she is the source of that action. Source incompatibilists accept the source theory but also endorse INC: if determinism is true, then no one is morally responsible for any action. This paper is a critique of a kind of source incompatibilism, namely, direct source incompatibilism. Direct source incompatibilists reject PAP on the basis of Frankfurt-style examples. Since PAP is one of two premises in the traditional argument for INC, direct source incompatibilists opt for a version of the direct argument, which argues for INC with the aid of some non-responsibility transfer principle. I demonstrate that this option is not available, for there is a tension between the following two claims. SI-F: SI-D: There are genuine Frankfurt-style examples. There is a sound version of the direct argument. More specifically, (a) Frankfurt-style examples provide the impetus for at least one group of counterexamples to non-responsibility transfer principles, and (b) nonresponsibility transfer principles may be used to show that crucial agents--those purported to be responsible in Frankfurt-style examples--are not morally responsible for their actions. Keywords: free will, moral responsibility, incompatibilism, source theory, Frankfurtstyle examples, alternative possibilities, direct argument. 1. Introduction The free will thesis is the view that some of our actions are up to us. As I use the expression, 'flee will' designates the "freedom-relevant condition" that is necessary for moral responsibility (cf. Fischer and Ravizza 1993, 8). Thus, a person is
2 Joseph Keim Campbell 37 morally responsible for performing an action only if it is or was up to her. Most philosophers can accept these claims yet there is significant debate about the nature of free will and about what it means to say that some things are up to us. 1 First, there is the longstanding dispute between compatibilists and incompatibilists. Compatibilists believe that the free will thesis is consistent with the thesis of determinism whereas incompatibilists deny this. A related thesis is INC: if determinism is true, then no one is morally responsible for any action. Given the assumptions above, if one is an incompatibilist, then one also accepts INC. Traditional theorists hold that an action is up to a person only if she can do or could have done otherwise. They endorse the principle of altemative possibilities. PAP: a person is morally responsible for an action that she performs only if she can do or could have done otherwise. Source theorists reject PAP and believe that an action is up to a person only if she is the source of the action. Those who accept PAP yet think that sourcehood is essential to free will (van Inwagen 1983; Ginet 1990; Kane 1996) are regarded as traditional theorists. 2 This essay is a critique of one kind of source incompatibilism: direct source incompatibilism. 3 There are two main features of this view. First, the direct source incompatibilist rejects PAP on the basis of Frankfurt-style examples. Second, she supports INC with a version of the direct argument. In the remainder of this section, I explain these features in more detail. In his original essay, Harry Frankfurt offers this example in an effort to undermine PAP: Suppese someone--black, let us say--wants Jones4 to perform a certain action. Black is prepared to go to considerable lengths to get his way, but he prefers to avoid showing his hand unnecessarily. So he waits until Jones4 is about to make up his mind what to do, and he does nothing unless it is clear to him (Black is an excellent judge of such things) that Jones4 is going to decide to do something other than what he wants him to do. If it does become clear that Jones4 is going to decide to do something else, Black takes effective steps to ensure that Jones4 decides to do, and that he does do, what he wants him to do. Whatever Jones4's initial preferences and inclinations, then, Black will have his way (1969, 162). Suppose that Black (the intervener) wants Jones4 (the crucial agent) to rob a bank, and that Jones4 robs the bank without the need of Black's intervention. Direct source incompatbilists believe that Jones4 is morally responsible for robbing the bank but that he could not have done otherwise. Thus, they believe that there are genuine Frankfurtstyle examples, e.g., Frankfurt-style examples that are counterexamples to PAP. PAP is one of two premises in the traditional argument for INC (cf. Widerker 2002, 316).4 IVD: PAP: INC: If determinism is true, then no one could have done otherwise. If no one could have done otherwise, then no one is morally responsible. Thus, if determinism is true, then no one is morally responsible.
3 38 Farewell to Direct Source Incompatibilism Since source compatibilists reject INC, the denial of PAP is unproblematic. However the rejection of PAP poses a minor problem for source incompatibitists. If they wish to support INC with a line of reasoning it must be different than the traditional argument. The direct source incompatibilist meets this challenge by putting forth a version of the direct argument, that is, an argument in support of INC that requires a nonresponsibility transfer principle (Widerker 2002; see 8 3 below for more detail). It follows that the direct source incompatibilist accepts two theses. SI-F: There are genuine Frankfurt-style examples. SI-D: There is a sound version of the direct argument. I show that there is a conflict between SI-F and SI-D, so direct source incompatibilism is an untenable position. My criticism gets its impetus from two lines of research by David Widerker. In one set of papers (1995a, 1995b, and 2000), Widerker argues that Frankfurt-style examples do not pose a serious threat to the traditional libertarian, casting doubt on SI-F (8 2). 5 In another work, Widerker (2002) disputes SI-D by offering counterexamples to a variety of non-responsibility transfer principles. Some of these counterexamples are modeled after Frankfurt-style examples (8 3), suggesting one well-known tension between SI-F and SI-D (Fischer 1986b and 2004, 189; Ravizza 1994). In this paper, I expose another tension: assuming that these transfer principles are valid it follows that crucial agents in Frankfurt-style examples are not morally responsible for their actions (88 4-5). My conclusion is weaker than the conclusions of Widerker and others. For I allow that there might be genuine Frankfurtstyle examples or that there might be sound versions of the direct argument. Nonetheless, SI-F is at odds with SI-D, so direct source incompatibilism is inherently unstable. 2. The Widerker/Kane/Ginet Dilemma Widerker's criticisms of Frankfurt-style examples may be formulated in terms of a dilemma: the Widerker/Kane/Ginet (WKG) dilemma (Widerker 1995a, 1995b, and 2000; Kane 1996; Ginet 1996; see also Fischer 1999, ; Pereboom 2000, ). In any Frankfurt-style example, either determinism is true or it is not. If determinism is true, then one may reject the claim that the crucial agent in the example is morally responsible for performing the action. If determinism is not true, then one may reject the claim that the crucial agent in the example could not have done otherwise. Therefore, there are no genuine Frankfurt-style examples.
4 Joseph Keim Campbell 39 Recall that in any genuine Frankfurt-style example, the crucial agent is morally responsible for her action even though she could not have done otherwise. In response to the second horn of the WKG dilemma, a number of new Frankfurt-style examples have been developed. 6 Frankfurt's original example involved a 'prior sign' signaling that an alternative action was imminent and the intervener was able to thwart the alternative action by 'preemption.' Some of the new Frankurt-style examples alter this situation by supposing that the intervener 'blocks' or 'interrupts' the alternative action instead (Stump 1996, 1999, and 2003). I won't review the details of these or other examples since several philosophers have already done so (Fischer 1999; Widerker 2000; Pereboom 2000). Instead, I focus on the general features of genuine Frankfurt-style examples, illustrated by what I take to be the best example: Tax Evasion (2). 7 Joe is considering whether to claim a tax deduction for the substantial local registration fee that he paid when he bought a house. He knows that claiming the deduction is illegal, that he probably won't be caught, and that if he is, he can convincingly plead ignorance. Suppose he has a very powerful but not always overriding desire to advance his self-interest regardless of the cost to others, and no matter whether advancing his self-interest involves illegal activity. Crucially, his psychology is such that the only way that in this situation he could fail to choose to evade taxes is for moral reasons. (The phrase failing to choose to evade taxes is meant to encompass not choosing to evade taxes and choosing not to evade taxes.) His psychology is not, for example, such that he could fail to choose to evade taxes for no reason or simply on a whim. In addition, it is causally necessary for his failing to choose to evade taxes in this situation that he attain a certain level of attentiveness to these moral reasons. He can secure this level of attentiveness voluntarily. However, his attaining this level of attentiveness is not causally sufficient for his failing to choose to evade taxes. If a moral reason were to occur to him with that force, Joe could, with his libertarian free will, either choose to act on it or refrain from doing so (without the intervener's device in place). But to ensure that he choose to evade taxes, a neuroscientist now implants a device which, were it to sense a moral reason occurring with the specified force, would electronically stimulate his brain so that he would choose to evade taxes. In actual fact, he does not attain this level of attentiveness, and he chooses to evade taxes while the device remains idle (Pereboom 2003, 193). According to Pereboom, Tax Evasion (2) effectively sidesteps the WKG dilemma, for "the cue for intervention"--joe's level of attentiveness to his moral reasons--is "a necessary rather than a sufficient condition, not for the action that the agent actually performs, but for the agent's availing herself of any robust alternative possibility" (2003, 193; his emphasis throughout). Given the circumstances, Joe must evade taxes but his tax evasion is apparently not causally determined by prior events. One can dispute Pereboom's claim that Joe's act is not causally determined. Peter van Inwagen defines 'determinism' as the conjunction of two theses: For every instant of time, there is a proposition that expresses the state of the world at that instant; Ifp and q are any propositions that express the state of the world at some instants, then the conjunction ofp with the laws of nature entails q (1983, 65).
5 40 Farewell to Direct Source Incompatibilism Pereboom might argue that, in Tax Evasion (2), there is a time t and a moral reason r such that it is possible that r occurs to Joe with a specified force at t and it is also possible that r does not occur to Joe with a specified force at t. Thus, there is a time prior to t such that the proposition describing the state of the world at that time conjoined with the laws of nature does not entail the proposition describing the state of the world at t. Hence, Tax Evasion (2) does not describe a situation that is globally deterministic, one in which every event is causally determined. Nonetheless, it might be that Joe's tax evasion is locally deterministic. According to Widerker, "an event is causally determined iff there obtains prior to its occurrence a causally sufficient condition for it" (1995a, 115). Pereboom claims that Joe's level of attentiveness to his moral reasons is a necessary but not sufficient condition for his evading taxes. However, this is consistent with there being some other set of causally sufficient conditions for Joe's action. If there is such a set of conditions, then Joe's action is causally determined; if there is not, then there is no reason to think that Joe could not have done otherwise. Therefore, the WKG dilemma remains a threat. For the purposes of this paper, though, I presume that SI-F is true and try to show that problems still arise for direct source incompatibilism. 3. The Direct Argument and Widerker's Criticisms Given SI-E the direct source incompatibilist is halfway toward motivating her position. In order to complete the journey, she must provide a sound argument for INC, since genuine Frankfurt-style examples like Tax Evasion (2) provide counterexamples to PAP and, thus, a reason to reject the traditional argument. Enter the direct argument. Note that I am not suggesting that the direct argument is the source incompatibilist's only option but by definition it is the choice of the direct source incompatibilist. Let me begin--as Widerker does--with a basic version of the direct argument, offered by van Inwagen (1980). This argument utilizes two principles: (A') (B') From (p) deduce NR(p); From NR(p) and NR(p D q) deduce NR(q), where '(p)' stands for 'p is broadly logically necessary,' 'D' represents the material conditional, and 'NR(p)' stands for "p and no one is (now), or ever has been, morally responsible for the fact that p" (Widerker 2002, 317; cf. van Inwagen 1983, 184). (B') is a non-responsibility transfer principle. In this essay, I use Widerker's NR-operator instead of van Inwagen's N-operator, where 'Np' stands for 'p and no one is, or ever has been, even partly responsible for the fact that p.' In place of (B'), van Inwagen endorses: (B) From N(p) and N(p D q) deduce N(q).
6 Joseph Keim Campbell 41 One reason for choosing the NR-operator is exegetical, for I am discussing Widerker's criticisms of the direct argument. Furthermore, as Widerker notes, "van Inwagen's use of 'even' in his formulation of NR(p)... strongly suggests that he wishes the direct argument to hold not only for the notion of partial responsibility but also for the notion of responsibility itself' (2002, fn. 11). Of course, there are important differences between the concepts of responsibility and partial responsibility and these differences are crucial to questions about the validity of many of the transfer principles discussed in this paper. Indeed, Widerker is aware that some of his counterexamples to (B') are not counterexamples to (B) (2002, fn. 11). Since my main argument ( 4-5) assumes the validity of these transfer principles, the differences between the operators are less important than they might be otherwise. For a version of the direct argument, let Po be a proposition about the state of the world at some time in the remote past--a time prior to the birth of any human beings--and let L be the conjunction of laws of nature. If determinism is true, then ((Po & L) D P), for any true proposition P. From (A') it follows that no one is (now), or ever has been, morally responsible for the fact that (Po & L) D P. But no one is (now), or ever has been, morally responsible for the fact that that Po & L. Therefore, from principle (B') it follows that no one is (now), or ever has been, morally responsible for the fact that that P, for any true proposition p.8 Widerker (2002) offers persuasive counterexamples to various transfer principles. These counterexamples are of two kinds. One set mimics Frankfurt-style examples except for an important difference. Recall that in Frankfurt's original example there are two agents: the crucial agent and the intervener. In Widerker's first set of counterexamples to (B'), there is only one agent and a natural process takes the place of the intervener. Call such examples, 'single-agent Frankfurt-style examples.' Consider Erosion (Ravizza 1994), a counterexample to (B') discussed by Widerker (2002, 318) and, in even more detail, by Fischer (1994; 1999; 2004). Imagine that Betty plants her explosives in the crevices of a glacier and detonates the charge at T~, causing an avalanche that crushes the enemy fortress at T 3. Unbeknownst to Betty and her commanding officers, however, the glacier is gradually melting, shifting, and eroding. Had Betty not placed the dynamite in the crevices, some ice and rocks would have broken free at T2, starting a natural avalanche that would have crushed the enemy camp at T3 (Ravizza 1994, 72-73). Given Erosion we have the following argument. NR(the glacier is eroding) NR(the glacier is eroding D there is an avalanche that crushes the enemy's base at T3) Therefore, NR(there is an avalanche that crushes the enemy's base at ~)
7 42 Farewell to Direct Source Incompatibilism (B') is invalid, for the premises of the above argument are true yet the conclusion is false. Thus, single-agent Frankfurt-style examples undermine some of the transfer principles used in versions of the direct argument. However, single-agent Frankfurt-style examples do not undermine all of the transfer principles used in versions of the direct argument. The proponent need only strengthen (B') (Widerker 2002, 319): (B1) From NR(p) and (p entails q) deduce NR(q) (Warfield 1996). (B ~) is immune to single-agent Frankfurt-style examples, so Widerker turns to other examples. In order to characterize these, recall van Inwagen's original principle: (B') From NR(p) and NR(p ~ q) deduce NR(q). What is distinctive about this second set of counterexamples is that in each the event that makes it the case that p occurs after the event that makes it the case that q. Nonetheless, q is a necessary condition forp. This alters the order in standard cases of causal determinism. Call these examples 'altered chronology examples. '9 Hud Hudson offers an altered chronology example that is a counterexample to van Inwagen's (B).1 I've changed it to provide a counterexample (B t)- Call it 'Bolt.' One day Sparky is born to two loving parents. Many years later, a bolt of lightning strikes Sparky and he dies soon after. Now consider the following argument: NR(a bolt from the blue strikes Sparky) That a bolt from the blue strikes Sparky entails that Sparky exists. Therefore, NR(Sparky exists) Sparky's parents were responsible for the fact that he exists. Hence, the above argument has true premises and a false conclusion and (B~) is invalid. The proponent of the direct argument may respond by constructing yet another non-responsibility transfer principle, for instance: (B2) From NR(p) and NR(p ~ q) deduce NR(q), where q describes an event or state of affairs that occurs later than that described by p (Ginet 2002; Widerker 2002, 322 fn. 14). Widerker acknowledges that one might construct transfer principles like (B2) to avoid altered chronology examples (2002, ). He argues, however, that these new principles depend for their "plausibility on the assumption (IVD) of the incompatibility of determinism with the freedom to avoid acting as one did" (323). Thus, he claims that even if there are sound versions of the direct argument, they eventually rest on principles essential to the traditional argument. I won't review the details of Widerker's reasoning here, though they are compelling. Rather, I circumvent his strategy by assuming that each of principles (B'),
8 Joseph Keim Campbell 43 (B0, and (B2) is valid. I argue that, given the validity of these principles, it follows that crucial agents in Frankfurt-style examples are not morally responsible for their actions. 4. Non-Responsibility Transfer Principles and Frankfurt-style Examples Recent surveys (Fischer 1999 and Pereboom 2000) suggest that genuine Frankfurtstyle examples must satisfy three conditions (where S is the crucial agent of the example and a is his supposed morally responsible action): (1) a is the result of one of two possible causal chains: c~ (the actual, indeterministic causal chain) or c2 (the counterfactual causal chain), (2) a is the actual result of Cl and is thus the actual result of processes that are ultimately indeterministic, and (3) a is up tos. 11 In Tax Evasion (2), for instance, S is Joe, a is Joe's act of tax evasion, c~ is the actual causal chain leading to Joe's action, and c2 is the counterfactual causal chain that would have resulted had the neuroscientist's device sensed a moral reason with the specified force. Proponents of new Frankfurt-style examples believe that (1) ensures that S could not have done otherwise, (2) ensures that a was not causally determined, and (3) suggests that S is morally responsible for doing a. To begin, consider an agent-relative variant of transfer principle (B') (cf. Fischer 1994, 8): (B*) From NRs(p) and NRs(p D q) deduce NRs(q), where 'NRs(p)' means 'p and S is not (now) and never was morally responsible for the fact that p.' Assuming conditions (1)-(3), one may demonstrate that if (B*) is valid, then crucial agents in Frankfurt-style examples are not morally responsible for their actions. Given (1)-(3), the crucial agent S in a genuine Frankfurt-style example is morally responsible for a even though she could not have done otherwise. In such examples, a is the result of one of two possible causal chains: Cl (the actual, indeterministic chain that has its source in S) or c2 (the counterfactual chain). Let Cl be the proposition that the events in c~ occur and result in S doing a, let C2 be the proposition that the events in c2 occur and result in S doing a, and let A be the proposition that S does a. In any genuine Frankfurt-style example, (Cl V C2) entails A, for S's doing a is part of the content of both C~ and C2. Given principle (A'), it follows that no one is (now), or ever has been, morally responsible for the fact that (CI V C2) D A. In particular, S is not responsible and NRs((C1 V C2) ~ A). But S is not (now) and
9 44 Farewell to Direct Source Incompatibilism never was morally responsible for the fact that C 1 V C2. This fact was ensured by the intervener, for he made it the case that C1 V C2 well before S made it the case that C1.12 From (B*) it follows that S is not (now) and never was morally responsible for the fact that A. The argument is perfectly general, so we can conclude that if (B*) is valid, then crucial agents in Frankfurt-style examples are not morally responsible for their actions. The source incompatibilist will likely disagree with my claim that the crucial agent is not (now) and never was morally responsible for the fact that C1 V C2. One might argue that the crucial agent is morally responsible for the fact that C1 V C2 since she is morally responsible for the fact that C~, and C1 V C2 is entailed by C~. But if this argument is sound, one may similarly argue that the crucial agent is morally responsible for the fact that C~ V ~C1, which is false according to principle (A'). Thus, this response is not available to the proponent of the direct argument. There is no substantive reason for accepting principle (B') and denying its agent-relative counterpart, (B*) (cf. van Inwagen 1989, ). Moreover, it seems that for any genuine Frankfurt-style example there is a single-agent counterpart. One might, for instance, argue that Betty in Erosion is not morally responsible for the fact that the enemy base is crushed at 7"3. Above I offered Erosion as a counterexample to (B') and now I am claiming that given (B') one may show that Betty in Erosion is not morally responsible for her action. In all honesty, I find it difficult to decide which way to go at times. This is consistent with my main thesis: there is a tension between there being genuine Frankfurt-style examples and the transfer principles used in versions of the direct argument. Principles (B0 and (B2) are similar to (B') in many respects. Both inference rules have their corresponding agent-relative versions and there is no substantive reason for accepting the former rules yet rejecting the latter. In Tax Evasion (2), (C1 V C2) entails A and the event described by A occurs later than that described by C1 (and thus C1 V C2) -13 The differences between (B'), (Bt), and (B2) are irrelevant to my main thesis. (B ~) and (B2) may both be used to show that crucial agents in genuine Frankfurt-style examples are not morally responsible for their actions. One cannot accept both SI-F and SI-D. The above criticism applies to van Inwagen's principle (B), as well. Consider Tax Evasion (2) along with this agent relative version of (B): (B**) From Ns(p) and Ns(p D q) deduce Ns(q), where 'Ns(p)' stands for 'S is not even partly responsible for the fact that p.' Joe is not even partly responsible for the fact that C~ V C2, for this fact is ensured by the intervener. Furthermore, (C1 V C2) entails A. From (A) it follows that N((C1 V C2) D A). Therefore, Njoe((C 1 V C2) ~ A). Given (B**), Joe is not even partly responsible for evading taxes.
10 Joseph Keim Campbell McKenna's Transfer Principle There is one more non-responsibility transfer principle worth considering. It was first offered by Michael McKenna (2001, 45) and discussed in more detail by Fischer (2004, 193-4). As a preliminary, note first the following principle: NR*: From NR(p) and NR(the fact that p is causally sufficient for the fact that q) deduce NR (q).14 NR* is cast in terms of causal sufficiency, not entailment. I have my doubts that the concept of causal sufficiency can be understood independent of the concept of entailment. This is counter, for instance, to van Inwagen's definition of 'determinism,' noted above, and I have not seen a better definition. Regardless, one may use Erosion, together with insights gained from the last section of this paper, to provide a counterexample to NR*. With Erosion in mind, let G be the proposition that the glacier is eroding and ice and rocks break free at t2, let B be the proposition that Betty plants explosives at tl, and let E be the proposition that the enemy base is crushed at t3. G V B is true and no one is (now), or ever has been, morally responsible for the fact that the disjunction is true. Moreover, the fact that G V B is causally sufficient for the fact that E. Yet Betty is morally responsible for the fact that E, so NR* is invalid. Our last principle attempts to capture much of the intuitive force behind NR* while remaining resistant to single-agent Frankfurt-style examples like Erosion. NR": From (1) p and no one is (now), or ever has been, morally responsible for the fact that p, and (2) (i) the fact that p is part of the actual sequence of events e that gives rise to the fact that q, (ii) the fact that p is causally sufficient for the fact that q, and any other part of e that is causally sufficient for the fact that q either causes or is caused by the fact that p, and (iii) no one is (now), or ever has been, morally responsible for the fact that (2i) & (2ii) deduce (3) q and no one is (now), or ever has been, morally responsible for the fact that q (cf. Fischer 2004, ; McKenna 2001,45). Erosion is not a counterexample to NR", for the fact that B is causally sufficient for the fact that E yet the fact that B neither causes nor is caused by the fact that G V B. This is counter to clause (2ii) in NR". 15 Fischer calls principle NR" a "one path modal principles" (2004, 198) since it is immune to examples of simultaneous overdetermination, like Erosion. Unfortunately, as Fischer notes, such principles cannot be used in a "general argument" for INC, for simultaneous overdetermination is just as possible in worlds where determinism is true as it is in worlds where determinism is not true. Fischer writes: "If there were a world--unusual as this would be--with all of the morally significant behavior occurring as a result of simultaneous overdetermination, then Transfer NR" would be entirely consistent with moral responsibility coexisting peacefully with
11 46 Farewell to Direct Source Incompatibilism causal determinism in this world" (2004, 195). Transfer NR" is of little help, then, to the direct source incompatibilist. In reply, one might note that cases of simultaneous overdetermination are rare. Thus, one may still use NR" to show that determinism excludes moral responsibility in most cases. 16 Yet if determinism is a threat to our moral responsibility, and if NR" is the transfer principle that is supposed to illustrate this threat, then it is a mystery why it cannot be used to show that no one is morally responsible for anything in deterministic worlds where casual over determination persists. Another plausible explanation for its failings is that NR" is an ad hoc principle, built entirely in response to the counterexamples and criticisms noted above. 6. Concluding Remarks Frankfurt-style examples provide the impetus for at least one group of counterexamples to non-responsibility transfer principles and this demonstrates a minor conflict between SI-F and SI-D. Even if we suppose that SI-D is true, and that the direct argument is sound and independent of the traditional argument for INC, transfer principles used in the direct argument may also be used to show that crucial agents in Frankfurt-style examples are not morally responsible for their actions. This, in turn, compromises the source incompatibilist's reasons for endorsing SI-F. One path modal principles, like Transfer NR", are immune to the criticisms noted in this paper but they are too weak to be used in a general argument for INC. Direct source incompatibilism is inherently unstable and we should bid it a fond farewell! Notes * Versions of this paper were presented in 2006 at the Inland Northwest Philosophy Conference, the Bled Philosophy Conference, and the Western Canadian Philosophical Association Conference. I thank members of these audiences for helpful feedback, especially Mark Balaguer, John Carroll, John Davenport, Ish Haji, David Hunt, Sarah McGrath, AI Mele, Michael Otsuka, Evan Tiffany, Kevin Timpe, Seth Shabo, and David Widerker. Thanks also to Robert Allen, Carroll, Davenport, Hunt, Michael McKenna, Michael O'Rourke, Derk Pereboom, Shabo, Eldon Soifer, Timpe, Kadri Vihvelin, Widerker, and an anonymous referee from this journal for written comments on previous drafts. Lastly, thanks to the students in my 2004 Metaphysics Seminar for allowing me to test these arguments out on them first: 1. For a related discussion of moral responsibility, see Fischer and Ravizza According to Fischer (1982 and 1994), free will requires alternative possibilities of action. I consider this to be a terminological dispute between us. Substitute 'freedom' for 'free will' and Fischer should accept all of the claims in this paragraph. 2. For instance, McKenna writes: "'Source incompatibilists hold that determinism does rule out free will. But it does so, not because it rules out alternative possibilities, but instead, because, if true, the sources of an agent's actions do not originate in the agent but are traceable to factors outside her" (2003, 201-3).
12 Joseph Keim Campbell Fischer (1982, 183ff.) is the first to acknowledge the possibility of source incompatibilism, though he is a source or semi-compatibilist. Genuine proponents of source incompatibilism include Stump (1990, 1996, 1999, and 2003), Zagzebski (1991, , and 2000), and Pereboom (2003). Stump is also a direct source incompatibilist and Pereboom has argued for a modest version of the view in correspondence. 4. This particular formulation of the argument is due to Widerker. 5. A libertarian is an incompatibilist who accepts the free will thesis. 6. Fischer (1999, ) and Alien (1999) provide interesting responses to the first horn of the WKG dilemma. 7. Tax Evasion (2) is a slightly altered version of Tax Evasion (Pereboom 2000, 119), changed to "ordinance the exaraple's psychotvgica~ realism" (Pereboom 2603, 19g, fn. 20). Another convincing Frankfurt-style example is Stump's (G) (1996, 76-77, 2003, 140). 8. I've switched from talk about aclions to talk about propositions. Here is one way to think of it. Our primary influence in the world is through our actions and their consequences. Some consequences take the form of other events: S does a and a causes event e. Since actions and events may be regarded as the truth-makers for some propositions, we may extend our influence to propositions (van Inwagen 1983; Perry 2004). For instance, ifa is up to S, then by doing a S makes it the case that S does a. If a is up to S and a causes e, then by bringing about e S makes it the case that S brings about e. 9. Widerker's best altered chronology example is Fate. Suppose that Jones murders Smith at To for some selfish mason, and that later on he murders another person, Green, at/"3. Suppose also that the second murder is made possible by the first murder. That is, in the circumstances, the second murder requires the first murder as a causally necessary condition. Finally, suppose that Jones could have avoided murdering both Smith and Green, and believed that he could have avoided to so act (2002, 319). 10. Hudson shared this example with me in correspondence. 11. Given debates in action theory, it is difficult to specify these conditions more precisely. For the sake of brevity, I assume the truth of causalism, where causalism is the view that "an event's being an action depends upon how it is caused" and actions are causally explained in terms of "such psychological or mental items as beliefs, desires, intentions, and related events" (Mole 1997, 2-3). I contend that a similar set of conditions may be offered that would satisfy noncausal theories of action, as well, but I do not discuss the matter here. I thank WideNer for noting this point. I also thank McKenna and Timpe for comments that led to a revision of (1) as well as the main argument in this section. Also, I assume that in any genuine Frankfurt-style example there are only two possible causal chains: c~ and % Really, there are only two O'pes of causal chains. For instance, the counterfactual causal chain could develop in any of a number of different ways. This simplifying assumption is irrelevant to my main argument. 12. The anonymous referee from this journal suggests that the intervener could ensure that C1 ~/ C~ only by ensuring the true of Cz. This cannot be correct. That the intervener ensures C~ V C2 is essemial to any genuine Frankfurt-style example. If Ibis is noi the case, then Ibere is no reason to suppose that the crucial agent could not have done otherwise. Yet in any genuine Frankfurt-style example C2 is false, for il is the claim that the counterfactual causal chain is causally efficacious. 13. Since A is part of the content of both Cj and Cz, (B2) may be a bit harder to refute. CI and C2 need to be reworded. Let Ct be the proposition that describes the occurrence of the first event in causal chain c~ and let C2 be the proposition that describes the occurrence of the first event in causal chain c2.
13 48 Farewell to Direct Source Incompatibilism 14. Pereboom suggested this principle in correspondence. 15. I thank Carroll for pointing this out. 16. The anonymous referee from this journal raised this point. References Allen, Robert E "'Responsibility and Motivation?' The Southern Journal of Philosophy 37: Campbell, Joseph Keim, Michael O'Rourke, and David Shier, eds Freedom and Determinism. Cambridge, MA: The MIT Press. Fischer, John Martin_ "Responsibility and Control." Journal of Philosophy 89: Reprinted in Fischer 1986a. Page references are to this latter edition., ed. 1986a. Moral Responsibility. Ithaca: Cornell University Press. ~. 1986b. "Introduction: Responsibility and Freedom." In Fischer 1986a The Metaphysics of Free Will: An Essay on Control. Oxford: Blackwell Publishing. ~ "Recent Work on Moral Responsibility." Ethics 110: Reprinted in part as "Frankfurt-style Examples, Responsibility and Semi-compatibilism" in Kane Page references are to this latter edition ~ "The Transfer of Nonresponsibility." In Campbell, O'Rourke, and Shier Fischer, John Martin, and Mark Ravizza "Introduction?' In eds. John Fischer and Mark Ravizza, Perspectives on Moral Responsibility. Ithaca: Cornell University Press. Frankfurt, Harry G "Alternate Possibilities and Moral Responsibility." Journal of Philosophy 45: Reprinted in ed. Derk Pereboom, Free Will (1997). Indianapolis: Hackett Publishing Company. Page references are to this latter edition. Ginet, Carl On Action Cambridge, UK: Cambridge University Press "In Defense of the Principle of Alternative Possibilities: Why I Don't Find Frankfurt's Argument Convincing." Philosophical Perspectives 10: "Libertarianism." In Oxford Handbook of Metaphysics, ed. Dean Zimmerman and Michael Loux. New York: Oxford University Press. Kane, Robert The Significance of Free Will. Oxford: Oxford University Press., ed Free Wilt, Oxford: Blackwell Publishers. Mele, Alfred R "Introduction." In The Philosophy of Action, ed. Mele. Oxford: Oxford University Press. McKenna, Michael "Source Incompatibilism, Ultimacy, and the Transfer of Non-Responsibility?' American Philosophical Quarterly 38: Pereboom, Derk "Alternative Possibilities and Causal Histories." Philosophical Perspectives 14: Reprinted in part as "'The Explanatory Irrelevance of Alternative Possibilities" in Kane Page references are to this latter edition "Source Incompatibilism and Alternative Possibilities." In Widerker and McKenna Perry, John "Compatibilist Options." In Campbell, O'Rourke, and Shier Ravizza, Mark "Semi-Compatibilism and the Transfer of Non-Responsibility," Philosophical Studies 75: Stump, Eleonore "Intellect, Will, and the Principle of Alternate Possibilities." In Christian Theism and the Problems of Philosophy, ed. Michael D. Beaty. Notre Dame, IN: University of Notre Dame Press. Reprinted in Fischer and Ravizza 1993b "Libertarian Freedom and the Principle of Alternative Possibilities." In Faith, Freedom, and Rationalio', eds. Jeff Jordan and Daniel Howard-Snyder. Lanham, MD: Rowman and Littlefield.
14 Joseph Keim Campbell "Dust, Determinism, and Frankfurt: A Reply to Goetz." Faith and Philosophy 16: "Moral Responsibility Without Alternative Possibilities." In Moral Responsibility and Alternative Possibilities: Essays on the Importance of Alternative Possibilities, eds. David Widerker and Michael McKenna. Aldershot, UK: Ashgate Publishing Company. van Inwagen, Peter "The Incompatibility of Responsibility and Determinism." Bowling Green Studies in Applied Philosophy 2: Reprinted in Fischer 1986a An Essay on Free Will. Oxford: Clarendon Press "When is the Will Free?" Philosophical Perspectives 3: Warfield, Ted A "Determinism and Moral Responsibility are Incompatible." Philosophical Topics 24: Widerker, David. 1995a. "Libertarian Freedom and the Avoidability of Decisions." Faith and Philosophy 12: b. "Libertarianism and Frankfurt's Attack on the Principle of Alternative Possibilities." The Philosophical Review 104: "Frankfurt's Attack on the Principle of Alternative Possibilities: a Further Look." Philosophical Perspectives 14: l "Farewell to the Transfer Argument." The Journal of Philosophy 99: Zagzebski, Linda The Dilemma of Freedom and Foreknowledge. New York, NY: Oxford University Press "Does Libertarian Freedom Require Alternative Possibilities?" Philosophical Perspectives 14: Received: August 2006 Revised: September 2006 Joseph Keim Campbell Washington State University Department of Philosophy PO Box Pullman, WA U.S.A. wsu.edu
Defending Hard Incompatibilism Again Derk Pereboom, Cornell University Penultimate draft Essays on Free Will and Moral Responsibility, Nick Trakakis and Daniel Cohen, eds., Newcastle: Cambridge Scholars
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