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                                                                    EXHIBIT 23.1

         CONSENT OF ARTHUR ANDERSEN LLP, INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the incorporation by
reference in this Registration Statement of our report dated January 19, 2001
included in Cadence Design Systems, Inc.'s Form 10-K for the year ended December
30, 2000 and to all references to our Firm in this Registration Statement.


                                            /s/ Arthur Andersen LLP


San Jose, California
July 13, 2001