IOA/meta_theory/Solve.thy
author clasohm
Wed, 02 Nov 1994 11:50:09 +0100
changeset 156 fd1be45b64bf
child 168 44ff2275d44f
permissions -rw-r--r--
added IOA to isabelle/HOL

(* Methods of proof for IOA. *)

Solve = IOA +

consts

  is_weak_pmap :: "['c => 'a, ('action,'c)ioa,('action,'a)ioa] => bool"

rules

is_weak_pmap_def
  "is_weak_pmap(f,C,A) ==                           \
\   (!s:starts_of(C). f(s):starts_of(A)) &        \
\   (!s t a. reachable(C,s) &                       \
\            <s,a,t>:trans_of(C)                    \
\            --> if(a:externals(asig_of(C)),        \
\                   <f(s),a,f(t)>:trans_of(A),      \
\                   f(s)=f(t)))"

end