Computer rules depend on conditions, another word for results of evaluations.

Which of these conditions might help you determine if you need to go to work?

You've got a jobIt's a weekdayYou're not on vacationYou're late for the subway

Sweet! If these conditions are met, it's probably time to go to work.

Wait! If you have a job, it's a weekday, and you're not on vacation, does it matter if you're late for the subway?