The condition of possessing the same rights, privileges, and immunities,and being liable to the same duties. Equality is equity. Fran. Max. 9, max. 3. Thus, where an heir buys In an incumbrance for less than is due upon it, (except it be to protect an incumbrance to which hehimself is entitled.) he shall be allowed no more than what he really paid for it, asagainst other incumbrancers upon the estate. 2 Vent. 353; 1 Vern. 49; 1 Salk. 155.