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theory Impl(* Title: HOLCF/IOA/ABP/Impl.thy ID: $Id: Impl.thy,v 1.4 2005/09/03 14:50:22 wenzelm Exp $ Author: Olaf Müller *) header {* The implementation *} theory Impl imports Sender Receiver Abschannel begin types 'm impl_state = "'m sender_state * 'm receiver_state * 'm packet list * bool list" (* sender_state * receiver_state * srch_state * rsch_state *) constdefs impl_ioa :: "('m action, 'm impl_state)ioa" "impl_ioa == (sender_ioa || receiver_ioa || srch_ioa || rsch_ioa)" sen :: "'m impl_state => 'm sender_state" "sen == fst" rec :: "'m impl_state => 'm receiver_state" "rec == fst o snd" srch :: "'m impl_state => 'm packet list" "srch == fst o snd o snd" rsch :: "'m impl_state => bool list" "rsch == snd o snd o snd" ML {* use_legacy_bindings (the_context ()) *} end