Exhibit 23.1

                   Consent of Independent Public Accountants

     As independent public accountants, we hereby consent to the incorporation
     by reference in the Company's Form 8-K/A of our report on the financial
     statements of Computervision Corporation dated March 27, 1997 (except with
     respect to the matter discussed in Note 4, as to which the date is April
     15, 1997 and the matters discussed in Note 15, as to which the date is
     November 10, 1997) included in the current report on Form 8-K of
     Computervision Corporation filed with the Commission on November 12, 1997
     and to all references to our Firm included in the Form 8-K/A.



                                                        /s/  Arthur Andersen LLP
                                                            Arthur Andersen LLP

     Boston, Massachusetts
     March 26, 1998