was one of the most important philosophers of the latter half of the twentieth century and with a reception and influence that, of American philosophers, is perhaps matched only by that of W. V. O. Quine. Davidson's ideas, presented in

Revised entry by Alison McIntyre on June 29, 2009. Changes to: Main text, Bibliography] The doctrine (or principle) of double effect is often invoked to explain the permissibility of an action that causes a serious harm, such as the death

New Entry by Erik Curiel and Peter Bokulich on June 29, 2009.] A spacetime singularity is a breakdown in the geometrical structure of space and time. It is a topic of ongoing physical and philosophical research to clarify both the