The rule at Shadows is: If you are drinking, you must be 18. In order to check the validity of this rule, you must check:
A) Everyone who is drinking and everyone under the age of 18.
B) Everyone who is drinking and everyone above the age of 18.
C) Everyone not drinking.
D) Everyone who is above 18.

Question

Quizplus · Accepted Answer

To verify the rule "If you are drinking, you must be 18," it's necessary to check everyone who is drinking to ensure they are at least 18 and also check everyone under 18 to ensure they are not drinking. This approach covers both conditions of the rule.

The Rule at Shadows Is: If You Are Drinking, You