In the Following Proof, Which Justification Is Correct for Line

question 124

Multiple Choice

In the following proof, which justification is correct for line 6? $\begin{array}{llcc} \text { (1) \( (z) (\mathrm{I} z \cdot \mathrm{Tz}) \) } && \text {Premise } \\ \text { (2) (?y) \( \mathrm{Iy} \supset(\exists z) \mathrm{Hz} \) } & \text { \(/(\exists z) \mathrm{T} z \cdot(\exists z) \mathrm{Hz}\) }& \text { Premise/Conclusion }\\ \text { (3) \( \mathrm{Ia} \cdot \mathrm{Ta} \) } &&1 \mathrm{UI} \\ \text { (4) \( \mathrm{Ia} \) } && 3 \mathrm{Simp}\\ \text { \(\text { (5) (?y) } I y\) } && 4 \mathrm{EG}\\ \text {(6) \( (\exists z) \mathrm{Hz} \) } &\\\end{array}$

• A)2, 5 MT
• B)3 EI
• C)2 DM
• D)2, 5 MP
• E)None of these answers are correct.

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Definitions:

Derail

To go off course or fail to achieve intended goals, often due to unexpected problems or obstacles.

Cooperative Relationships

Partnerships or interactions between individuals or groups characterized by mutual assistance and joint efforts towards common objectives.

Managerial Positions

Roles within an organization that involve overseeing the work of others, making decisions, and executing plans to achieve business objectives.

Derail

To cause a process or progress to fail or abruptly deviate from its intended course, often leading to a failure or setback.