Explanations Are Good Just in Case Understanding Is Increased

question 262

Multiple Choice

Explanations are good just in case understanding is increased. Understanding is not increased if, and only if, explanations are empirical deductions. So, explanations are good if, and only if, they are not logical deductions.
-Which of the following propositions is not derivable from the given premises using any of the twenty-five rules of PL and either the direct or conditional methods of proof?

• A) ∼D ⊃ ∼E
• B) D ≡ ∼E
• C) E ⊃ ∼D
• D) ∼D ≡ E
• E) D ⊃ ∼E

---

Definitions:

Urinary System

The body's drainage system for removing wastes and extra water, including the kidneys, ureters, bladder, and urethra.

Ureters

Tubes that carry urine from the kidneys to the bladder.

Clean-Voided Urine

A method of collecting urine that helps in minimizing contamination from the external genitalia to ensure a sample is as sterile as possible.

Urethral Meatus

The external opening of the urethra, through which urine exits the body in both males and females.