Higher Priority
===============
- redoing Int.thy (problem at the moment with overloaded
  definitions....Florian)
- have FSet.thy to have a simple infrastructure for 
  finite sets (syntax should be \<lbrace> \<rbrace>,
  look at Set.thy how syntax is been introduced)
- think about what happens if things go wrong (like
  theorem cannot be lifted) / proper diagnostic 
  messages for the user
- Ask Peter and Michael for challenging examples 
- Handle theorems that include Ball/Bex
Lower Priority
==============
- find clean ways how to write down the "mathematical"
  procedure for a possible submission (Peter submitted 
  his work only to TPHOLs 2005...we would have to go
  maybe for the Journal of Formalised Mathematics)