Court of Appeals for the First Circuit June 9, 1998, 97-1394 (In Re Manuel Kaplan, Debtor. Manuel Kaplan Arthur Liebersohn, Trustee v. First Options of Chicago, Inc. Manuel Kaplan)

OPINION OF THE COURT

ALITO, Circuit Judge.

In this bankruptcy appeal, Debtor-Appellant Manuel Kaplan contests an order allowing First Options of Chicago’s proof of claim. Kaplan argues that we should reverse the order allowing the claim because First Options materially breached the contracts under which the claim arose.