Galaxy Formerly known as StopSign Joined Oct 23, 2012 Sythe Gold 50 Messages 2,184 Oct 30, 2013 #1 For i=1,2,...,n let I_i=(a_i, b_i) be an open interval. Show that Intersection{I_i:i=1,2,...,n} is either the empty set or an open interval.
For i=1,2,...,n let I_i=(a_i, b_i) be an open interval. Show that Intersection{I_i:i=1,2,...,n} is either the empty set or an open interval.
