This resource has moved…


We're sorry that a Stanford Encyclopedia of Philosophy (SEP) mirror site is no longer available at this address.

The SEP project would like to thank the members of the former Subject Centre for Philosophical and Religious Studies for their efforts in hosting a mirror site of the SEP from 2000–2012.

For continued access, please visit the

SEP Main Site (Stanford University, U.S.A.)

or one of the mirror sites listed there.