Hi! I need some help with this question:
Statement reads: For every there exists a point in the sequence after which all terms lie between the lines and .
Now if we interchange the quantifiers it reads: There exists for every such that for every point greater than or equal to N, all terms are between the lines and .
(sigh), it's the same thing! What's the difference if we interchange the two quantifiers? And how do we go about proving it? I tried everything, even drew a diagram. But man it’s hard...
So any help here is appreciated.