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I am studying Calculus (by Thomas-Finney) 9th Edition. The question I am about to ask is from Exercise 1 (Preliminaries).

It's actually, The Inequalities.

If $0 < x < 4$; It's considered as "Not Necessarily True" when $0 < x - 2 < 4$; It's considered as "True" only.

What's the difference actually between those equations? A little confused.

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put $x=1$ in both statements. –  Maesumi Aug 30 '13 at 18:31
I'm not sure I understand the question, and I don't have the book. Would you mind rephrasing it a bit? –  Javier Badia Aug 30 '13 at 19:18

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