This property means that whenever we : Add any two integers, the result is always an integer ; Subtract any two integers, the result is always an integer ; Hence we say that integers are closed under addition and subtraction.
Subscribe to the channel : https://www.youtube.com/user/arinjayjain1979
Like us on Facebook : https://www.facebook.com/iedubook
Follow us on Twitter : https://twitter.com/jainacademy
Watch the previous video : http://bit.ly/1uYBzAy