<wob_jonas> perl -eopen$i,"<",($f="wisdom/aristotle");$_=<$i>; s/two thousand/2000/ or die; if (1) { open$o,">",$f; print$o $_ or die; } print substr$_,0;

A Lie algebra is what you get if you take the region infinitesimally close to the identity of a Lie group and blow it up to normal size.