author | clasohm |
Wed, 02 Nov 1994 11:50:09 +0100 | |
changeset 156 | fd1be45b64bf |
child 168 | 44ff2275d44f |
permissions | -rw-r--r-- |
(* 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