Sixteen days? A reply to B. Smith and B. Brogaard on the beginning of human individuals
Journal of Medicine and Philosophy 31 (2):165 – 175 (2006)
| Abstract | When does a human being begin to exist? Barry Smith and Berit Brogaard have argued that it is possible, through a combination of biological fact and philosophical analysis, to provide a definitive answer to this question. In their view, a human individual begins to exist at gastrulation, i. e. at about sixteen days after fertilization. In this paper we argue that even granting Smith and Brogaard's ontological commitments and biological assumptions, the existence of a human being can be shown to begin much earlier, viz., with fertilization. Their interpretative claim that a zygote divides immediately into two substances and therefore ceases to exist is highly implausible by their own standards, and their factual claim that there is no communication between the blastomeres has to be abandoned in light of recent embryological research. | |||||||||
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Berit Brogaard & Barry Smith (2005). On Luck, Responsibility and the Meaning of Life. Philosophical Papers 34 (3):443-458.
Jonathan Schaffer (2009). Knowing the Answer Redux: Replies to Brogaard and Kallestrup. Philosophy and Phenomenological Research 78 (2):477-500.
Andy Denis (1999). Was Adam Smith an Individualist? History of the Human Sciences.
Quentin Smith (2002). Time Was Created by a Timeless Point: An Atheist Explanation of Spacetime. In Gregory E. Ganssle & David M. Woodruff (eds.), God and Time: Essays on the Divine Nature. Oxford Up.
Anthony Kenny (2006). The Beginning of Individual Human Life. Proceedings of the American Catholic Philosophical Association 80:29-38.
Berit Brogaard & Barry Smith (eds.) (2001). Rationality and Irrationality. Austrian Ludwig Wittgenstein Society.
Jason T. Eberl (2005). Aquinas's Account of Human Embryogenesis and Recent Interpretations. Journal of Medicine and Philosophy 30 (4):379 – 394.
Ingmar Persson (2009). The Origination of a Human Being: A Reply to Oderberg. Journal of Applied Philosophy 26 (4):371-378.
Norman M. Ford (1988). When Did I Begin?: Conception of the Human Individual in History, Philosophy, and Science. Cambridge University Press.
Barry Smith & Berit Brogaard (2003). Sixteen Days. Journal of Medicine and Philosophy 28 (1):45 – 78.
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