We saw in the previous section that monotone functions have some nice properties. For example, a monotone function is continuous except possibly on a countable set. They are also closed under scalar multiplication, and the sum of two increasing functions is increasing. (Exercise (4) on page 103). However, the difference and product of two monotone functions are not necessarily monotone (Exercise (5) on page 103).

He squinted through frozen lashes, trying to make better sense of the valley beneath him, a gouge running east to west, so deep and narrow he could only see the bottom when they passed directly overhead.

When it is known that the patient is a gagger, dentures should not be constructed or even impressions made until after several therapeutic hypnotic sessions.

Because this was blameless Mike's third such 'surprise', Justice Carmel Healy decided she'd soften his cough by sticking him inside for a few months.