Abstract
Marquis’ future-like-ours argument against the morality of abortion assumes animalism—a family of theories according to which we are animals. Such an assumption is theoretically useful for various reasons, e.g., because it provides the theoretical underpinning for a reply to the contraception-abstinence objection. However, the connection between the future-like-ours argument and one popular version of animalism can prove lethal to the former, or so I argue in this paper.
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Notes
See Snowdon (1990, 2014), Olson (1997a, b, 2004, 2007, 2015), Van Inwagen (1990) for contemporary formulations of animalism and Carter (1982) and Wiggins (1980) for some of their ancestors. Mark Johnston’s works are also frequently associated with animalism; for instance, see Johnston (1987). Recent surveys include Blatti (2014), Bailey (2015), Sauchelli (2018a: Chapter 5), and Thornton (2016). DeGrazia (2005, 2012) provide further discussion on the connection between animalism and various issues in bioethics.
See Mackie (1999) and Tzinman (2018) for the view that an organism can persist as a dead organism. On this understanding of the consequences of the identity conditions of organisms, animalism entails that we can become corpses (dead organisms). I will not discuss this version of animalism in the rest of the paper.
Sauchelli (2017) includes several distinctions between essential and non-essential animalism.
The terms ‘zygote’, ‘embryo’, ‘pre-embryo’, and ‘foetus’ are not used consistently in the literature. In my usage, some of the stages that they refer to may overlap. I use ‘pre-embryo’ to refer to the (alleged) entity that is supposed to exist after fertilisation but before the fourteenth–sixteenth day after fertilisation. A zygote is a fertilised egg. The developing individual is regarded as an embryo from after the pre-embryonic stage to the eighth or ninth week after fertilisation. After this period, some medical texts call the developing individual a foetus.
The synchornic conditions of identity of an individual are here understood as the conditions that an entity should satisfy at a time to count as the individual it is (e.g., having mental properties to be a person). The diachronic conditions of identity of an individual specify those features that an entity should possess to continue to be what it is (e.g., having some properly connected memories to count as the same person over time).
See Evnine (2011) for a recent critical introduction to the notion of constitution. I assume that constitution is a one-to-one relation (while composition can be a one-to-many relation) and that the identity conditions of a constituent and what is constituted may differ as, for example, in the case of a statue and the lump of clay that constitutes it.
Olson (1997a: 126–131). In what follows, I will focus only on the identity conditions of human organisms.
Olson (1997a: 137).
One of the reasons is that someone may hold that questions about the numerical identity of organisms are better settled than questions about the numerical identity of lives.
Olson (2007: 28).
Olson thinks that we should refrain from using the concept of constitution in metaphysics. My use of the concept here should not be taken to suggest that it is part of the ‘canonical’ formulation of Olson’s version of animalism.
Marquis (2007: 400).
“Accordingly, morally permissible abortions will be rare indeed unless, perhaps, they occur so early in pregnancy that a fetus is not yet definitely an individual” (Marquis 1989: 194). “Such cases [i.e., possible exceptions to the cases discussed by Marquis] include abortion after rape and abortion during the first 14 days after conception when there is an argument that the fetus is not definitely an individual” (Marquis 1997: 83). Marquis slightly modifies his argument in (2013), but I do not think that what he says there is substantially different from my reconstruction of the main core of his argument.
Marquis (2007: 399).
See Harman (2003) for a discussion of the moral relevance of potentiality.
See Norcross (1990).
I will assume that abstinence and contraception are morally equivalent for our purposes here.
See Bradley (2009) for discussion.
Contraception or abstinence may be wrong for other reasons, just not for those directly relevant to Marquis’ argument. Marquis claims that “[t]he matter that is important concerns the moral implications of the fact that the embryo that is the precursor of the present stage of me is one thing whereas the sperm and UFO [unfertilised ovum] that are the precursors of the present stage of me are two things. MP appears plausible because it seems plausible to base the wrongness of killing on the loss to a victim of her, not someone else’s future. A necessary condition of this being so is that the future life that is lost would have been the actual life of the same individual who dies prematurely, and who was, therefore, the individual who was only the ‘bearer of that potential’” (Marquis 2002: 77–78).
For instance, Snowdon lists the claim that “[a]n organism or animal of our kind acquires life and existence somewhere during the period which starts with conceptions and terminates with the existence of the foetus” as one (relevant to his discussion of animalism) uncontroversial thesis, Snowdon (2014: 113). The ‘somewhere’ is what is at issue here.
The three claims in the disjunction are not equivalent, but they are each sufficient for my purposes. See Hershenov (2016) for a discussion of animalism and four-dimensionalism (and the related temporal parts-jargon).
Mills (2008).
Mills provides further reasons for believing in the identity between the fertilised and the unfertilised egg in Mills (2008: 332–333).
This way of describing the event of fertilisation is taken from Sandler (2015: 40).
DeGrazia agrees with the claim that psychological views of our nature have a foetus problem: these views seem to imply that we were never foetuses. See DeGrazia (2005: 31). The term ‘foetus’ is used here in a broad sense that includes any stage of early pre-birth human development.
Olson (1997a: 101).
A negative version of this principle would be that a human organism does not cease to exist if it loses some of its capacities, provided that the above three requirements are satisfied. Call this the Becoming-through-loss Principle for the Diachronic Identity of Human Organisms (BLPO).
The main steps of the argument are as follows: (1) Suppose that a foetus has developed into an adult human organism. (2) This animal is where you are now. (3) This animal has your nervous system; thus, it can probably think your thoughts. (4) Thus, you are this animal. Denying premise (2) would generate the too many thinkers problem; roughly, if you can think and the animal can think (premise 4), then there seems to be two entities thinking where you are now—which seems one too many.
In case (2) is preferred, we should slightly modify this last claim—if the zygote is one of my temporal parts, then also the egg is.
Schoenwolf et al. (2015: 35).
My claim is not to be understood as a general principle to be applied to all organisms or cell divisions. I think that it is very hard to state plausible general principles to be universally applied.
See Lewis (1976/83).
See Findlay et al. (2007) for a survey of the astonishing variety of ways in which embryos can be created.
Koch-Hershenov (2006) is relevant here.
See Dupré and Nicholson (2018) for a very recent statement of a processual approach to biology.
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Sauchelli, A. Animalism, Abortion, and a Future Like Ours. J Ethics 23, 317–332 (2019). https://doi.org/10.1007/s10892-019-09298-y
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DOI: https://doi.org/10.1007/s10892-019-09298-y