In the Following Proof, Which Justification Is Correct for Line

question 20

Multiple Choice

In the following proof, which justification is correct for line 3? $\begin{array}{llcc} \text { (1) \( (x) [(\mathrm{C} x \cdot \mathrm{D} x) \equiv \sim \mathrm{E} x] \) } & & \text { Premise} \\ \text { (2) \( \mathrm{Ca} \cdot \mathrm{Ea} \) } & \text { \(/ \sim \mathrm{Da}\) } & \text { Premise/Conclusion } \\ \text { (3) \( (\mathrm{Ca} \cdot \mathrm{Da}) \equiv \sim \mathrm{Ea} \) } &\\\end{array}$

• A)1 UG
• B)1 Simp
• C)Assumption
• D)3 Add
• E)None of these answers are correct.

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Definitions:

Excise Taxes

Taxes imposed on specific goods or services, often fuel, tobacco, and alcohol, typically aimed at discouraging their consumption or raising revenue.

Economic Regulation

Government-imposed restrictions on the economic activities of private firms, including price controls, market entries, and standards for service quality.

Redistribution of Income

A policy or process whereby wealth is reallocated from certain individuals or groups to others, often through taxation and welfare systems, with the aim of achieving social equity.

Stabilization

is the process of maintaining or bringing an economic system to a state of balance and reducing volatility.