webertj [Fri, 14 Aug 2009 13:44:14 +0100] rev 32369
Fixed a bug where the simplifier would hang on
lemma "f a = M { nat j |j. 0 <= j & j < f b}"
pre_decomp/pre_tac no longer split terms that contain (non-locally) bound
variables (e.g., "nat j" in the above example).