In the Following Proof, Which Justification Is Correct for Line

question 121

Multiple Choice

In the following proof, which justification is correct for line 7? $\begin{array}{llcc} \text { (1) \( (\exists x) \mathrm{L} x \supset(x) (\mathrm{M} x \supset \mathrm{N} x) \) } && \text {Premise } \\ \text { (2) \( \mathrm{Lb} \cdot \mathrm{Mb} \) } & \text { \(/ \mathrm{Nb}\) } & \text { Premise/Conclusion }\\ \text { (3) \( \mathrm{Lb} \) } && \text { 2 simp }\\ \text { (4) \( (\exists x) \mathrm{L} x \) } && \text { \( 3 \mathrm{EG} \) }\\ \text { (5) \( (x) (\mathrm{M} x \supset \mathrm{N} x) \) } && \text { 1, \( 4 \mathrm{MP} \) }\\ \text { (6) \( \mathrm{Mb} D \mathrm{Nb} \) } && \text { \( 5 \mathrm{UI} \) }\\ \text { (7) \( \mathrm{Mb} \) } & \end{array}$

• A)2 Add
• B)3 DM
• C)6 Simp
• D)1, 5 MP
• E)None of these answers are correct.

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Definitions:

Culture

The shared values, norms, behaviors, and artifacts of a group of people, transmitted from one generation to another.

Power Distance

A measure of the extent to which less powerful members of organizations and institutions accept and expect that power is distributed unequally.

Uncertainty

The state of being unsure or having doubts, which can apply to a wide range of situations and contexts, including information, outcomes, and conditions.

Ambiguity

The quality of being open to more than one interpretation; inexactness or uncertainty in meaning.