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Kotzee and Smit explain why, if unicorns don't exist, then they could not possibly have existed. In fact, even if horned horses were discovered somewhere, they would not necessarily be unicorns. The key to understanding why this is so lies in understanding how so-called natural kind terms function.
In the preceding piece, Timothy Chambers agrees with some feminists that “rape is not a sex act”. Here, I briefly defend the view that, whatever else rape is, it is, indeed, a sexual act. Timothy will reply in another piece.
In The God Delusion, Richard Dawkins argues that any designer capable of creating the universe and the things we find in it would have to be at least as complex as his creation. If complexity requires a designer, then the designer will require a designer, and so on to infinity. Rather than actually providing an explanation for complexity we see around us, those who invoke a cosmic designer merely postpone the problem. Here, Douglas Groothuis challenges Dawkins's argument.
The fictional case of Elina Makropulos has been a focus for philosophical reflections on immortality. Here Mikel Burley presents a conversation between Elina and two imaginary philosophers (some, but not all, of whose views bear a passing resemblance to those of Bernard Williams and John Martin Fischer respectively).