Changes by: Alexei Kopylov (kopylov at cs.caltech.edu)
Date: 2001-02-04 16:38:18 -0800 (Sun, 04 Feb 2001)
Revision: 3140
Log message:
For now 'a~'b produces Itt_squiggle!sqeq{'a;'b} rather then Perv!rewrite.
I documented the Itt_squiggle theory (see all-theories.pdf).