Avoid a possible variable name conflict in instantiating a theorem.
Instantiating a theorem variable with new variables created a possible
variable name conflict if a record was defined with a field named
'f', 'x' etc. Using variable indices of 1 avoids the problem.
(* ID: $Id$ *)
use_thy "Examples";
use_thy "Functions";
use_thy "Relations";
use_thy "Recur";