Revision history for entry Singer, Peter (1972). "Is act-utilitarianism self-defeating?" [SINIAS]

NB: for privacy reasons, few details are provided in public revision histories.
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2013-11-04T04:44:29updateSystem / admin update -
2009-03-08T07:58:13updateSystem / admin update -
2009-01-29T21:58:56update