if a<b and c<d then a-c<b-d true of false?
U Unco Senior Member Joined Jul 21, 2005 Messages 1,134 Sep 19, 2005 #2 False: a=1, b=2, c=3, d=4 easily shows this.
M Matt Junior Member Joined Jul 3, 2005 Messages 183 Sep 19, 2005 #3 The correct version of the inequality would be a-d<b-c.
