Â©Copyright 2004 - 2015 Meaning-of-Names.com-Powered by Swigity, LLC Meaning of Niemann Last Name-Surname-Family Name Niemann.Copyright 2004 - 2015 Meaning-of-Names.com-Powered by Swigity, LLC Meaning of Niemann Last Name-Surname-Family Name Niemann.
open - of a set; containing points whose neighborhood consists of other points of the same set, or being the complement of an open set; of an interval; containing neither of its end points.
An open interval is an interval that does not include its end points. The open interval is denoted , although the nonstandard notation is sometimes also used. SEE ALSO: Closed Interval, Half-Closed Interval, Interval, Open Disk, Open Set. REFERENCES: