_Tail ==> [id('b')|_Tail].
[T|_Tail] ==> [[T]|_Tail].
_Tail ==> [id('a')|_Tail].
[H,T|_Tail] ==> [[H|T]|_Tail].
[I|_Tail] ==> [decl_list(I, formal, T)|_Tail].
_Tail ==> [int|_Tail].
_Tail ==> [id('j')|_Tail].
[T|_Tail] ==> [[T]|_Tail].
_Tail ==> [id('i')|_Tail].
[H,T|_Tail] ==> [[H|T]|_Tail].
_Tail ==> [int|_Tail].
[T,I|_Tail] ==> [decl_list(I, var, T)|_Tail].
_Tail ==> [id('i')|_Tail].
_Tail ==> [id('j')|_Tail].
[T|_Tail] ==> [[T]|_Tail].
[T,H|_Tail] ==> [[H|T]|_Tail].
_Tail ==> [lit(int, 1)|_Tail].
_Tail ==> [lit(int, 2)|_Tail].
[T|_Tail] ==> [[T]|_Tail].
[T,H|_Tail] ==> [[H|T]|_Tail].
[B,A|_Tail] ==> [assign(A,B)|_Tail].
[T|_Tail] ==> [[T]|_Tail].
[T,H|_Tail] ==> [[H|T]|_Tail].
[S,TR,F|_Tail] ==> [lit(map(TF,TR), map(F,S,Symbols))|_Tail].
[V|_Tail] ==> [decl(id('ex1'), const(V), T)|_Tail].