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Principle: Anyone who has more than one overdue book out on loan from the library at the same time must be fined if some of the overdue books are not children's books and that person has previously been fined for overdue books.
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Summary
If someone has more than 1 overdue book on loan from library at the same time & some of the overdue books are NOT children’s books & the person has previously been fined for overdue books → fine
We’re trying to conclude that Kessler should be fined. We know that he has mor than 1 overdue book on loan from the library at the same time. But we currently don’t know whether any of those overdue books are NOT children’s books. And we don’t know whether he’s ever been fined for overdue books.
Find or Complete the Application
We want to learn the missing information that would trigger the rule. We want to learn:
(1) Some of the books Kessler has loaned that are overdue are NOT for children; and
(2) Kessler has previously been fined for overdue books
22.
Which one of the following, ██ █████ █████████ ███ █████ ███████████ ██ ███ ██████████
a
Some of the █████ ████ ███████ █████████ ███ ███ ██ ████ ████ ███ ███████ ███ ███ ██████████ ██████ ███ ███████ ███ █████ ████ ████ ███ █████████ █ ██████████ ████ █████
b
One of the ███████ █████ ████ ███████ █████████ ███ ███ ██ ████ ████ ███ ███████ ██ █ █████ ███ ███████ ███ ███████ ███ █████ ████ ████ ███ █████████ ████ ████ █████
c
None of the █████ ████ ███████ █████████ ███ ███ ██ ████ ████ ███ ███████ ██ █ ██████████ ████ ███ ██ ████████ █████ ███████ ███ ████████ ███████ █████ █████
d
Kessler was fined ██ ███ ███████ ███████ █████ ██ ███ ████ ███ ███████ ██████ ███ ████ ██ ███ ███████ █████ ███ █████ ███████ ███ █████ ████ ██████████ ██████
e
Kessler has never ██████ ████ █████ ███ ███████ ██████ ███ ███ █████ ███████ █████ ████ ███████ █████████ ███ ███ ██ ████ ████ ███ ███████ ███ ██████ ████████