30.—Proof of debt. The formal establishment by a creditor of his debt or claim, in some prescribed manner, (as, by his affidavit or otherwise.) as a preliminary to its allowance, along with others, against an estate or property to be divided, such as the estate of a bankrupt or insolvent, a deceased rson, or a firm or company in liquidation roof of will. A term havin the same meaning as “probate,” (q. v.,) and u interchangeably with it.