
diff -r f04b33ce250f -r a4dc62a46ee4 IOA/example/Receiver.thy
--- a/IOA/example/Receiver.thy	Tue Oct 24 14:59:17 1995 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,89 +0,0 @@
-(*  Title:      HOL/IOA/example/Receiver.thy
-    ID:         $Id$
-    Author:     Tobias Nipkow & Konrad Slind
-    Copyright   1994  TU Muenchen
-
-The implementation: receiver
-*)
-
-Receiver = List + IOA + Action + Multiset +
-
-types 
-
-'m receiver_state
-= "'m list * bool multiset * 'm packet multiset * bool * bool"
-(* messages  #replies        #received            header mode *)
-
-consts
-
-  receiver_asig :: "'m action signature"
-  receiver_trans:: "('m action, 'm receiver_state)transition set"
-  receiver_ioa  :: "('m action, 'm receiver_state)ioa"
-  rq            :: "'m receiver_state => 'm list"
-  rsent         :: "'m receiver_state => bool multiset"
-  rrcvd         :: "'m receiver_state => 'm packet multiset"
-  rbit          :: "'m receiver_state => bool"
-  rsending      :: "'m receiver_state => bool"
-
-defs
-
-rq_def       "rq == fst"
-rsent_def    "rsent == fst o snd"
-rrcvd_def    "rrcvd == fst o snd o snd"
-rbit_def     "rbit == fst o snd o snd o snd"
-rsending_def "rsending == snd o snd o snd o snd"
-
-receiver_asig_def "receiver_asig ==            
- <UN pkt. {R_pkt(pkt)},                       
-  (UN m. {R_msg(m)}) Un (UN b. {S_ack(b)}),   
-  insert(C_m_r, UN m. {C_r_r(m)})>"
-
-receiver_trans_def "receiver_trans ==                                    
- {tr. let s = fst(tr);                                                  
-          t = snd(snd(tr))                                              
-      in                                                                
-      case fst(snd(tr))                                                 
-      of                                                                
-      S_msg(m) => False |                                               
-      R_msg(m) => rq(s) = (m # rq(t))   &                               
-                  rsent(t)=rsent(s)     &                               
-                  rrcvd(t)=rrcvd(s)     &                               
-                  rbit(t)=rbit(s)       &                               
-                  rsending(t)=rsending(s) |                             
-      S_pkt(pkt) => False |                                          
-      R_pkt(pkt) => rq(t) = rq(s)                        &           
-                       rsent(t) = rsent(s)                  &           
-                       rrcvd(t) = addm(rrcvd(s),pkt)        &           
-                       rbit(t) = rbit(s)                    &           
-                       rsending(t) = rsending(s) |                      
-      S_ack(b) => b = rbit(s)                        &               
-                     rq(t) = rq(s)                      &               
-                     rsent(t) = addm(rsent(s),rbit(s))  &               
-                     rrcvd(t) = rrcvd(s)                &               
-                     rbit(t)=rbit(s)                    &               
-                     rsending(s)                        &               
-                     rsending(t) |                                      
-      R_ack(b) => False |                                                  
-      C_m_s => False |                                                  
- C_m_r => count(rsent(s),~rbit(s)) < countm(rrcvd(s),%y.hdr(y)=rbit(s)) & 
-             rq(t) = rq(s)                        &                     
-             rsent(t)=rsent(s)                    &                     
-             rrcvd(t)=rrcvd(s)                    &                     
-             rbit(t)=rbit(s)                      &                     
-             rsending(s)                          &                     
-             ~rsending(t) |                                             
-    C_r_s => False |                                                    
- C_r_r(m) => count(rsent(s),rbit(s)) <= countm(rrcvd(s),%y.hdr(y)=rbit(s)) & 
-             count(rsent(s),~rbit(s)) < count(rrcvd(s),<rbit(s),m>) &   
-             rq(t) = rq(s)@[m]                         &                
-             rsent(t)=rsent(s)                         &                
-             rrcvd(t)=rrcvd(s)                         &                
-             rbit(t) = (~rbit(s))                      &                
-             ~rsending(s)                              &                
-             rsending(t)}"
-
-
-receiver_ioa_def "receiver_ioa == 
- <receiver_asig, {<[],{|},{|},False,False>}, receiver_trans>"
-
-end




