Determine Whether the Following Argument Is Valid

question 146

Short Answer

Determine whether the following argument is valid. Name the rule of inference or the fallacy. $$\text { If } n \text { is a real number such that } n > 2 \text {, then } n ^ { 2 } > 4 \text {. Suppose that } n \leq 2 \text {. Then } n ^ { 2 } \leq 4 \text {. }$$

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Definitions:

Narcolepsy

A perpetual sleeping condition characterized by severe daytime tiredness and immediate sleep attacks.

Night Terrors

A sleep disorder causing feelings of panic or dread, typically occurring during non-REM sleep and resulting in partial or full awakening.

REM Sleep

A stage of sleep characterized by rapid eye movements, during which vivid dreams commonly occur, and brain activity increases.

Vivid

Producing powerful feelings or strong, clear images in the mind.