Quotient-Paper/Paper.thy
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   227   of \emph{respectfulness} and \emph{preservation} from Homeier 
   227   of \emph{respectfulness} and \emph{preservation} from Homeier 
   228   \cite{Homeier05}.
   228   \cite{Homeier05}.
   229 
   229 
   230   We will also address the criticism by Paulson \cite{Paulson06} cited at the
   230   We will also address the criticism by Paulson \cite{Paulson06} cited at the
   231   beginning of this section about having to collect theorems that are lifted from the raw
   231   beginning of this section about having to collect theorems that are lifted from the raw
   232   level to the quotient level. Our quotient package id the first one that is modular so that it
   232   level to the quotient level. Our quotient package is the first one that is modular so that it
   233   allows to lift single theorems separately. This has the advantage for the
   233   allows to lift single theorems separately. This has the advantage for the
   234   user to develop a formal theory interactively an a natural progression. A
   234   user to develop a formal theory interactively an a natural progression. A
   235   pleasing result of the modularity is also that we are able to clearly
   235   pleasing result of the modularity is also that we are able to clearly
   236   specify what needs to be done in the lifting process (this was only hinted at in
   236   specify what needs to be done in the lifting process (this was only hinted at in
   237   \cite{Homeier05} and implemented as a ``rough recipe'' in ML-code).
   237   \cite{Homeier05} and implemented as a ``rough recipe'' in ML-code).