1 a ≡ ∼(B $\lor$ C)
2 ∼D ≡ (A • E)
3

question 291

Multiple Choice

1. A ≡ ∼(B $\lor$ C)
2. ∼D ≡ (A • E)
3. (D ⊃ B) • (E ⊃ B)
-Which of the following propositions is derivable from the given premises using any of the twenty-five rules of PL and either the direct or conditional methods of proof?

• A) B ≡ D
• B) B ≡ E
• C) B ≡ (D \( \lor \) E)
• D) B ≡ A
• E) B ≡ (A \( \lor \) E)

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Definitions:

EAR

Effective Annual Rate, the actual return on an investment when compounding interest is taken into account over a one-year period.

Geometric Mean Return

The geometric mean return, for investment performance, is the compound annual growth rate (CAGR) of an investment, calculated by taking the nth root of the total returns, where n represents the number of periods.

Treasury Bonds

U.S. government debt securities with a maturity of more than ten years, offering fixed interest payments.

Holding-period Return

The cumulative return gained from owning an asset or collection of assets over a specific timeframe, usually represented as a percentage.