Assignment 2

Common mistakes:

• Problem 2.4: Many students negate $a>b$ into $a<b$, instead of $a\leq b$.
• Problem 2.10: Especially for (f), (g) and (h), many students forgot to put ‘might’ in the negations. For instance, one simply negate ‘Haste makes waste’ as ‘Haste does not make waste’.