falsa demonstratio
falsa demonstratio (fal-s[schwa] orfawl-s[schwa] dem-[schwa]n-stray-shee-oh).Roman law. A false designation; an erroneous description of a person or thing in a legal instrument. • Generally, a simple error in description, grammar, or spelling will not void an instrument or even a single provision in it (such as a bequest by will). — Also termed false demonstration.