- Correspondence to Dr Udo Schuklenk, Department of Philosophy, Queen's University, Watson Hall, Kingston, Ontario, Canada, K7L 3N6;
- Received 1 February 2016
- Revised 29 March 2016
- Accepted 30 March 2016
- Published in print 27 April 2016.
- Published first 22 April 2016.
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