Owen Will Be Happier If, and Only If, He Either $\lor$

question 42

Multiple Choice

Owen will be happier if, and only if, he either practices the cello or quits music lessons. It is not that case that Owen quits music lessons only if he'll be happier. So, it is not the case that he both never sleeps and doesn't practice.
-Consider assuming 'N • ∼P' for an indirect proof of the given argument. Which of the following propositions is an immediate (one-step) consequence in PL of the given premises with that further assumption for indirect proof?

• A) N
• B) ∼P • N
• C) ∼(∼Q \( \lor \) H)
• D) (P \( \lor \) Q) ≡ H
• E) All of the above

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Definitions:

FLACC Tool

A behavioral scale used to assess pain in children who are unable to verbally communicate, considering factors like facial expression, leg movement, activity, cry, and consolability.

FACES Pain Rating

A visual scale for assessing pain intensity, often using faces ranging from smiling (no pain) to crying (worst pain).

Numeric Scale

A sequence of numbers used to measure or rate the level of something, such as pain.

Oucher Scale

A pain rating scale designed for children, using photographs and numerical scales to quantify pain intensity.