According to Remark 2, the lower solution α and the upper solution β satisfy, respectively, inequalities (7) and (8) and, conversely, if α and β satisfy (7) and (8) then they are lower and upper solutions in the sense of Definition 1.
Conversely, if x ∈ X satisfies (7), then it can easily be shown that x ∈ X and satisfies (6).
Conversely, if suddenly the keyboard broke, or if the power went out like this morning, it would get in the way of my typing.
Conversely, if you hit the snooze button a dozen times, and wastefully drag through your morning, you'll likely justify mediocrity the rest of the day.
Conversely, if traveling west, you should expose yourself to light at dusk and the early part of the evening, delaying your body clock so that it will be in sync with the new time zone.
Conversely, if the market rallies, small-company shares will, too.
Conversely, if he thought it was rubbish, then it was.
Conversely, if the runner is caught, the inning is over.
Conversely, if the government fell quickly, people will be euphoric".
