In the Following Proof, Which Justification Is Correct for Line

question 22

Multiple Choice

In the following proof, which justification is correct for line 3? $\begin{array}{llcc} \text { (1) \( (\exists x) \mathrm{Q} x \) } & \text {\(/[(\exists x) \mathrm{Q} x \cdot \sim(\exists x) \mathrm{Q} x] \supset(\exists x) \mathrm{Q} x\) } & \text {Premise/Conclusion } \\ \text {(2) \( (\exists x) \mathrm{Q} x \cdot \sim(\exists x) \mathrm{Q} x \) } && \text { Assumption } \\ \text { (3) \( (\exists x) Q x \) } &\\\end{array}$

• A)1 Taut
• B)2 CP
• C)2 Simp
• D)2 RA
• E)None of these answers are correct.

---

Definitions:

Union Election

A voting process in which workers decide by ballot whether to be represented by a union in dealing with their employer.

Collective Bargaining

The process by which labor and management negotiate the terms and conditions of employment, including working hours and workplace conditions.

Electronic Devices

Gadgets or pieces of equipment that operate using electricity, including computers, smartphones, and tablets.

Business Hours

The specific times during which a business is open to the public or conducts operations.