diff -r 6ac51a2f48e1 -r 81308d44fe0a doc-src/IsarRef/Thy/document/HOLCF_Specific.tex --- a/doc-src/IsarRef/Thy/document/HOLCF_Specific.tex Wed May 07 12:56:11 2008 +0200 +++ b/doc-src/IsarRef/Thy/document/HOLCF_Specific.tex Wed May 07 13:04:12 2008 +0200 @@ -12,17 +12,85 @@ \isacommand{theory}\isamarkupfalse% \ HOLCF{\isacharunderscore}Specific\isanewline \isakeyword{imports}\ HOLCF\isanewline -\isakeyword{begin}\isanewline -\isanewline +\isakeyword{begin}% +\endisatagtheory +{\isafoldtheory}% +% +\isadelimtheory +% +\endisadelimtheory +% +\isamarkupchapter{HOLCF specific elements% +} +\isamarkuptrue% +% +\isamarkupsection{Mixfix syntax for continuous operations% +} +\isamarkuptrue% +% +\begin{isamarkuptext}% +\begin{matharray}{rcl} + \indexdef{HOLCF}{command}{consts}\mbox{\isa{\isacommand{consts}}} & : & \isartrans{theory}{theory} \\ + \end{matharray} + + HOLCF provides a separate type for continuous functions \isa{{\isachardoublequote}{\isasymalpha}\ {\isasymrightarrow}\ {\isasymbeta}{\isachardoublequote}}, with an explicit application operator \isa{{\isachardoublequote}f\ {\isasymcdot}\ x{\isachardoublequote}}. + Isabelle mixfix syntax normally refers directly to the pure + meta-level function type \isa{{\isachardoublequote}{\isasymalpha}\ {\isasymRightarrow}\ {\isasymbeta}{\isachardoublequote}}, with application \isa{{\isachardoublequote}f\ x{\isachardoublequote}}. + + The HOLCF variant of \mbox{\isa{\isacommand{consts}}} modifies that of + Pure Isabelle (cf.\ \secref{sec:consts}) such that declarations + involving continuous function types are treated specifically. Any + given syntax template is transformed internally, generating + translation rules for the abstract and concrete representation of + continuous application. Note that mixing of HOLCF and Pure + application is \emph{not} supported!% +\end{isamarkuptext}% +\isamarkuptrue% +% +\isamarkupsection{Recursive domains% +} +\isamarkuptrue% +% +\begin{isamarkuptext}% +\begin{matharray}{rcl} + \indexdef{HOLCF}{command}{domain}\mbox{\isa{\isacommand{domain}}} & : & \isartrans{theory}{theory} \\ + \end{matharray} + + \begin{rail} + 'domain' parname? (dmspec + 'and') + ; + + dmspec: typespec '=' (cons + '|') + ; + cons: name (type *) mixfix? + ; + dtrules: 'distinct' thmrefs 'inject' thmrefs 'induction' thmrefs + \end{rail} + + Recursive domains in HOLCF are analogous to datatypes in classical + HOL (cf.\ \secref{sec:hol-datatype}). Mutual recursion is + supported, but no nesting nor arbitrary branching. Domain + constructors may be strict (default) or lazy, the latter admits to + introduce infinitary objects in the typical LCF manner (e.g.\ lazy + lists). See also \cite{MuellerNvOS99} for a general discussion of + HOLCF domains.% +\end{isamarkuptext}% +\isamarkuptrue% +% +\isadelimtheory +% +\endisadelimtheory +% +\isatagtheory \isacommand{end}\isamarkupfalse% % \endisatagtheory {\isafoldtheory}% % \isadelimtheory -\isanewline % \endisadelimtheory +\isanewline \end{isabellebody}% %%% Local Variables: %%% mode: latex