In the Following Proof, Which Justification Is Correct for Line

question 146

Multiple Choice

In the following proof, which justification is correct for line 4? $\begin{array}{llcc} \text { (1) \( (x) [(\mathrm{C} x \cdot \mathrm{D} x) \supset \sim \mathrm{E} x] \) } && \text {Premise } \\ \text { (2) \( \mathrm{Ea} \) } & \text {\(I \sim \mathrm{Ca} v \sim \mathrm{Da}\) } & \text { Premise/Conclusion } \\ \text { (3) \( (\mathrm{Ca} \cdot \mathrm{Da}) \supset \sim \mathrm{Ea} \) } && \text {\(1 \mathrm{UI}\) } \\ \text { (4) \( \sim \mathrm{Ea} \) } &\\\end{array}$

• A)2 QN
• B)2 DN
• C)Assumption
• D)2 Conj
• E)None of these answers are correct.

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Definitions:

REM Sleep

Rapid Eye Movement sleep, a sleep stage where dreaming occurs and the brain is active, but the body is in a state of paralysis.

Learning Episodes

Specific instances or periods in which learning or acquisition of skills and knowledge occurs.

Consciousness

The state of being aware of and able to think about one's own existence, sensations, thoughts, surroundings, and experiences.

Selective Attention

The process of focusing on a particular object in the environment for a certain period of time, while simultaneously ignoring irrelevant information.