example of set having closure property of addition?

Asked by umar 13 years ago 6/8/2012 10:32 AM

Last updated by anonymous 12 years ago 3/15/2013 11:42 AM

Answered by CherieS 12 years ago 3/15/2013 11:42 AM

Add two positive integers and you ALWAYS have a positive integers. The positive integers are closed under addition.