Changes by: Alexei Kopylov (kopylov at cs.caltech.edu)
Date: 2005-02-25 14:52:46 -0800 (Fri, 25 Feb 2005)
Revision: 6760
Log message:
Started adapting Itt_reflection_example_lambda to new definition.
Meanwile, renamed arity -> shape, and defined arity as the length of the shape (as iform).
Fixed the proofs, broken by my last renaming unfold_eq -> unfold_is_eq.