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(*                                                                        *)
(*                              Cubicle                                   *)
(*                                                                        *)
(*                       Copyright (C) 2011-2014                          *)
(*                                                                        *)
(*                  Sylvain Conchon and Alain Mebsout                     *)
(*                       Universite Paris-Sud 11                          *)
(*                                                                        *)
(*                                                                        *)
(*  This file is distributed under the terms of the Apache Software       *)
(*  License version 2.0                                                   *)
(*                                                                        *)
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exception Unsolvable
exception Inconsistent of Explanation.t
exception Progress
exception NotCongruent
exception Trivial
exception Interpreted_Symbol