diff -r f04b33ce250f -r a4dc62a46ee4 IOA/example/Sender.thy
--- a/IOA/example/Sender.thy	Tue Oct 24 14:59:17 1995 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,85 +0,0 @@
-(*  Title:      HOL/IOA/example/Sender.thy
-    ID:         $Id$
-    Author:     Tobias Nipkow & Konrad Slind
-    Copyright   1994  TU Muenchen
-
-The implementation: sender
-*)
-
-Sender = IOA + Action + Multiset + List +
-
-types
-
-'m sender_state = "'m list * bool multiset * bool multiset * bool * bool"
-(*                messages   #sent           #received      header  mode *)
-
-consts
-
-sender_asig   :: "'m action signature"
-sender_trans  :: "('m action, 'm sender_state)transition set"
-sender_ioa    :: "('m action, 'm sender_state)ioa"
-sq            :: "'m sender_state => 'm list"
-ssent,srcvd   :: "'m sender_state => bool multiset"
-sbit          :: "'m sender_state => bool"
-ssending      :: "'m sender_state => bool"
-
-defs
-
-sq_def       "sq == fst"
-ssent_def    "ssent == fst o snd"
-srcvd_def    "srcvd == fst o snd o snd"
-sbit_def     "sbit == fst o snd o snd o snd"
-ssending_def "ssending == snd o snd o snd o snd"
-
-sender_asig_def
-  "sender_asig == <(UN m. {S_msg(m)}) Un (UN b. {R_ack(b)}),       
-                  UN pkt. {S_pkt(pkt)},                           
-                  {C_m_s,C_r_s}>"
-
-sender_trans_def "sender_trans ==                                     
- {tr. let s = fst(tr);                                               
-          t = snd(snd(tr))                                           
-      in case fst(snd(tr))                                           
-      of                                                             
-      S_msg(m) => sq(t)=sq(s)@[m]   &                                
-                  ssent(t)=ssent(s) &                                
-                  srcvd(t)=srcvd(s) &                                
-                  sbit(t)=sbit(s)   &                                
-                  ssending(t)=ssending(s) |                          
-      R_msg(m) => False |                                            
-      S_pkt(pkt) => hdr(pkt) = sbit(s)      &                     
-                       (? Q. sq(s) = (msg(pkt)#Q))  &               
-                       sq(t) = sq(s)           &                     
-                       ssent(t) = addm(ssent(s),sbit(s)) &           
-                       srcvd(t) = srcvd(s) &                         
-                       sbit(t) = sbit(s)   &                         
-                       ssending(s)         &                         
-                       ssending(t) |                                 
-    R_pkt(pkt) => False |                                         
-    S_ack(b)   => False |                                         
-      R_ack(b) => sq(t)=sq(s)                  &                  
-                     ssent(t)=ssent(s)            &                  
-                     srcvd(t) = addm(srcvd(s),b)  &                  
-                     sbit(t)=sbit(s)              &                  
-                     ssending(t)=ssending(s) |                       
-      C_m_s => count(ssent(s),~sbit(s)) < count(srcvd(s),~sbit(s)) & 
-               sq(t)=sq(s)       &                                   
-               ssent(t)=ssent(s) &                                   
-               srcvd(t)=srcvd(s) &                                   
-               sbit(t)=sbit(s)   &                                   
-               ssending(s)       &                                   
-               ~ssending(t) |                                        
-      C_m_r => False |                                               
-      C_r_s => count(ssent(s),sbit(s)) <= count(srcvd(s),~sbit(s)) & 
-               sq(t)=tl(sq(s))      &                                
-               ssent(t)=ssent(s)    &                                
-               srcvd(t)=srcvd(s)    &                                
-               sbit(t) = (~sbit(s)) &                                
-               ~ssending(s)         &                                
-               ssending(t) |                                         
-      C_r_r(m) => False}"
-
-sender_ioa_def "sender_ioa == 
- <sender_asig, {<[],{|},{|},False,True>}, sender_trans>"
-
-end