src/HOL/Tools/lambda_lifting.ML
2011-07-20 boehmes 2011-07-20 generalized lambda-lifting such that it is less specifically tailored for SMT (it does not anymore dependent on any SMT-specific code)
2011-07-20 boehmes 2011-07-20 moved lambda-lifting on terms into a separate structure (for better re-use in tools other than SMT)